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Adam Procházka
2023-02-23 14:34:10 +01:00
parent 9d50a83a78
commit 276d443bb1
1281 changed files with 269818 additions and 54 deletions
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34
Firmware/Core/tinyusb/lib/SEGGER_RTT/License.txt Normal file
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Important - Read carefully:
SEGGER RTT - Real Time Transfer for embedded targets
All rights reserved.
SEGGER strongly recommends to not make any changes
to or modify the source code of this software in order to stay
compatible with the RTT protocol and J-Link.
Redistribution and use in source and binary forms, with or
without modification, are permitted provided that the following
condition is met:
o Redistributions of source code must retain the above copyright
notice, this condition and the following disclaimer.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL SEGGER Microcontroller BE LIABLE FOR
ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
DAMAGE.
(c) 2014 - 2016 SEGGER Microcontroller GmbH
www.segger.com

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Firmware/Core/tinyusb/lib/SEGGER_RTT/README.txt Normal file
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README.txt for the SEGGER RTT Implementation Pack.
Included files:
===============
Root Directory
- Examples
- Main_RTT_InputEchoApp.c - Sample application which echoes input on Channel 0.
- Main_RTT_MenuApp.c - Sample application to demonstrate RTT bi-directional functionality.
- Main_RTT_PrintfTest.c - Sample application to test RTT small printf implementation.
- Main_RTT_SpeedTestApp.c - Sample application for measuring RTT performance. embOS needed.
- RTT
- SEGGER_RTT.c - The RTT implementation.
- SEGGER_RTT.h - Header for RTT implementation.
- SEGGER_RTT_Conf.h - Pre-processor configuration for the RTT implementation.
- SEGGER_RTT_Printf.c - Simple implementation of printf to write formatted strings via RTT.
- Syscalls
- RTT_Syscalls_GCC.c - Low-level syscalls to retarget printf() to RTT with GCC / Newlib.
- RTT_Syscalls_IAR.c - Low-level syscalls to retarget printf() to RTT with IAR compiler.
- RTT_Syscalls_KEIL.c - Low-level syscalls to retarget printf() to RTT with KEIL/uVision compiler.
- RTT_Syscalls_SES.c - Low-level syscalls to retarget printf() to RTT with SEGGER Embedded Studio.

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Firmware/Core/tinyusb/lib/SEGGER_RTT/RTT/SEGGER_RTT.c Normal file
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Firmware/Core/tinyusb/lib/SEGGER_RTT/RTT/SEGGER_RTT.h Normal file
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/*********************************************************************
* SEGGER Microcontroller GmbH *
* The Embedded Experts *
**********************************************************************
* *
* (c) 1995 - 2019 SEGGER Microcontroller GmbH *
* *
* www.segger.com Support: support@segger.com *
* *
**********************************************************************
* *
* SEGGER RTT * Real Time Transfer for embedded targets *
* *
**********************************************************************
* *
* All rights reserved. *
* *
* SEGGER strongly recommends to not make any changes *
* to or modify the source code of this software in order to stay *
* compatible with the RTT protocol and J-Link. *
* *
* Redistribution and use in source and binary forms, with or *
* without modification, are permitted provided that the following *
* condition is met: *
* *
* o Redistributions of source code must retain the above copyright *
* notice, this condition and the following disclaimer. *
* *
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND *
* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, *
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF *
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE *
* DISCLAIMED. IN NO EVENT SHALL SEGGER Microcontroller BE LIABLE FOR *
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR *
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT *
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; *
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF *
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT *
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE *
* USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH *
* DAMAGE. *
* *
**********************************************************************
---------------------------END-OF-HEADER------------------------------
File : SEGGER_RTT.h
Purpose : Implementation of SEGGER real-time transfer which allows
real-time communication on targets which support debugger
memory accesses while the CPU is running.
Revision: $Rev: 17697 $
----------------------------------------------------------------------
*/
#ifndef SEGGER_RTT_H
#define SEGGER_RTT_H
#include "SEGGER_RTT_Conf.h"
/*********************************************************************
*
* Defines, defaults
*
**********************************************************************
*/
#ifndef RTT_USE_ASM
#if (defined __SES_ARM) // SEGGER Embedded Studio
#define _CC_HAS_RTT_ASM_SUPPORT 1
#elif (defined __CROSSWORKS_ARM) // Rowley Crossworks
#define _CC_HAS_RTT_ASM_SUPPORT 1
#elif (defined __GNUC__) // GCC
#define _CC_HAS_RTT_ASM_SUPPORT 1
#elif (defined __clang__) // Clang compiler
#define _CC_HAS_RTT_ASM_SUPPORT 1
#elif (defined __IASMARM__) // IAR assembler
#define _CC_HAS_RTT_ASM_SUPPORT 1
#elif (defined __ICCARM__) // IAR compiler
#define _CC_HAS_RTT_ASM_SUPPORT 1
#else
#define _CC_HAS_RTT_ASM_SUPPORT 0
#endif
#if (defined __ARM_ARCH_7M__) // Cortex-M3/4
#define _CORE_HAS_RTT_ASM_SUPPORT 1
#elif (defined __ARM_ARCH_7EM__) // Cortex-M7
#define _CORE_HAS_RTT_ASM_SUPPORT 1
#elif (defined __ARM_ARCH_8M_MAIN__) // Cortex-M33
#define _CORE_HAS_RTT_ASM_SUPPORT 1
#elif (defined __ARM7M__) // IAR Cortex-M3/4
#if (__CORE__ == __ARM7M__)
#define _CORE_HAS_RTT_ASM_SUPPORT 1
#else
#define _CORE_HAS_RTT_ASM_SUPPORT 0
#endif
#elif (defined __ARM7EM__) // IAR Cortex-M7
#if (__CORE__ == __ARM7EM__)
#define _CORE_HAS_RTT_ASM_SUPPORT 1
#else
#define _CORE_HAS_RTT_ASM_SUPPORT 0
#endif
#else
#define _CORE_HAS_RTT_ASM_SUPPORT 0
#endif
//
// If IDE and core support the ASM version, enable ASM version by default
//
#if (_CC_HAS_RTT_ASM_SUPPORT && _CORE_HAS_RTT_ASM_SUPPORT)
#define RTT_USE_ASM (1)
#else
#define RTT_USE_ASM (0)
#endif
#endif
#ifndef SEGGER_RTT_ASM // defined when SEGGER_RTT.h is included from assembly file
#include <stdlib.h>
#include <stdarg.h>
/*********************************************************************
*
* Defines, fixed
*
**********************************************************************
*/
/*********************************************************************
*
* Types
*
**********************************************************************
*/
//
// Description for a circular buffer (also called "ring buffer")
// which is used as up-buffer (T->H)
//
typedef struct {
const char* sName; // Optional name. Standard names so far are: "Terminal", "SysView", "J-Scope_t4i4"
char* pBuffer; // Pointer to start of buffer
unsigned SizeOfBuffer; // Buffer size in bytes. Note that one byte is lost, as this implementation does not fill up the buffer in order to avoid the problem of being unable to distinguish between full and empty.
unsigned WrOff; // Position of next item to be written by either target.
volatile unsigned RdOff; // Position of next item to be read by host. Must be volatile since it may be modified by host.
unsigned Flags; // Contains configuration flags
} SEGGER_RTT_BUFFER_UP;
//
// Description for a circular buffer (also called "ring buffer")
// which is used as down-buffer (H->T)
//
typedef struct {
const char* sName; // Optional name. Standard names so far are: "Terminal", "SysView", "J-Scope_t4i4"
char* pBuffer; // Pointer to start of buffer
unsigned SizeOfBuffer; // Buffer size in bytes. Note that one byte is lost, as this implementation does not fill up the buffer in order to avoid the problem of being unable to distinguish between full and empty.
volatile unsigned WrOff; // Position of next item to be written by host. Must be volatile since it may be modified by host.
unsigned RdOff; // Position of next item to be read by target (down-buffer).
unsigned Flags; // Contains configuration flags
} SEGGER_RTT_BUFFER_DOWN;
//
// RTT control block which describes the number of buffers available
// as well as the configuration for each buffer
//
//
typedef struct {
char acID[16]; // Initialized to "SEGGER RTT"
int MaxNumUpBuffers; // Initialized to SEGGER_RTT_MAX_NUM_UP_BUFFERS (type. 2)
int MaxNumDownBuffers; // Initialized to SEGGER_RTT_MAX_NUM_DOWN_BUFFERS (type. 2)
SEGGER_RTT_BUFFER_UP aUp[SEGGER_RTT_MAX_NUM_UP_BUFFERS]; // Up buffers, transferring information up from target via debug probe to host
SEGGER_RTT_BUFFER_DOWN aDown[SEGGER_RTT_MAX_NUM_DOWN_BUFFERS]; // Down buffers, transferring information down from host via debug probe to target
} SEGGER_RTT_CB;
/*********************************************************************
*
* Global data
*
**********************************************************************
*/
extern SEGGER_RTT_CB _SEGGER_RTT;
/*********************************************************************
*
* RTT API functions
*
**********************************************************************
*/
#ifdef __cplusplus
extern "C" {
#endif
int SEGGER_RTT_AllocDownBuffer (const char* sName, void* pBuffer, unsigned BufferSize, unsigned Flags);
int SEGGER_RTT_AllocUpBuffer (const char* sName, void* pBuffer, unsigned BufferSize, unsigned Flags);
int SEGGER_RTT_ConfigUpBuffer (unsigned BufferIndex, const char* sName, void* pBuffer, unsigned BufferSize, unsigned Flags);
int SEGGER_RTT_ConfigDownBuffer (unsigned BufferIndex, const char* sName, void* pBuffer, unsigned BufferSize, unsigned Flags);
int SEGGER_RTT_GetKey (void);
unsigned SEGGER_RTT_HasData (unsigned BufferIndex);
int SEGGER_RTT_HasKey (void);
unsigned SEGGER_RTT_HasDataUp (unsigned BufferIndex);
void SEGGER_RTT_Init (void);
unsigned SEGGER_RTT_Read (unsigned BufferIndex, void* pBuffer, unsigned BufferSize);
unsigned SEGGER_RTT_ReadNoLock (unsigned BufferIndex, void* pData, unsigned BufferSize);
int SEGGER_RTT_SetNameDownBuffer (unsigned BufferIndex, const char* sName);
int SEGGER_RTT_SetNameUpBuffer (unsigned BufferIndex, const char* sName);
int SEGGER_RTT_SetFlagsDownBuffer (unsigned BufferIndex, unsigned Flags);
int SEGGER_RTT_SetFlagsUpBuffer (unsigned BufferIndex, unsigned Flags);
int SEGGER_RTT_WaitKey (void);
unsigned SEGGER_RTT_Write (unsigned BufferIndex, const void* pBuffer, unsigned NumBytes);
unsigned SEGGER_RTT_WriteNoLock (unsigned BufferIndex, const void* pBuffer, unsigned NumBytes);
unsigned SEGGER_RTT_WriteSkipNoLock (unsigned BufferIndex, const void* pBuffer, unsigned NumBytes);
unsigned SEGGER_RTT_ASM_WriteSkipNoLock (unsigned BufferIndex, const void* pBuffer, unsigned NumBytes);
unsigned SEGGER_RTT_WriteString (unsigned BufferIndex, const char* s);
void SEGGER_RTT_WriteWithOverwriteNoLock(unsigned BufferIndex, const void* pBuffer, unsigned NumBytes);
unsigned SEGGER_RTT_PutChar (unsigned BufferIndex, char c);
unsigned SEGGER_RTT_PutCharSkip (unsigned BufferIndex, char c);
unsigned SEGGER_RTT_PutCharSkipNoLock (unsigned BufferIndex, char c);
unsigned SEGGER_RTT_GetAvailWriteSpace (unsigned BufferIndex);
unsigned SEGGER_RTT_GetBytesInBuffer (unsigned BufferIndex);
//
// Function macro for performance optimization
//
#define SEGGER_RTT_HASDATA(n) (_SEGGER_RTT.aDown[n].WrOff - _SEGGER_RTT.aDown[n].RdOff)
#if RTT_USE_ASM
#define SEGGER_RTT_WriteSkipNoLock SEGGER_RTT_ASM_WriteSkipNoLock
#endif
/*********************************************************************
*
* RTT transfer functions to send RTT data via other channels.
*
**********************************************************************
*/
unsigned SEGGER_RTT_ReadUpBuffer (unsigned BufferIndex, void* pBuffer, unsigned BufferSize);
unsigned SEGGER_RTT_ReadUpBufferNoLock (unsigned BufferIndex, void* pData, unsigned BufferSize);
unsigned SEGGER_RTT_WriteDownBuffer (unsigned BufferIndex, const void* pBuffer, unsigned NumBytes);
unsigned SEGGER_RTT_WriteDownBufferNoLock (unsigned BufferIndex, const void* pBuffer, unsigned NumBytes);
#define SEGGER_RTT_HASDATA_UP(n) (_SEGGER_RTT.aUp[n].WrOff - _SEGGER_RTT.aUp[n].RdOff)
/*********************************************************************
*
* RTT "Terminal" API functions
*
**********************************************************************
*/
int SEGGER_RTT_SetTerminal (unsigned char TerminalId);
int SEGGER_RTT_TerminalOut (unsigned char TerminalId, const char* s);
/*********************************************************************
*
* RTT printf functions (require SEGGER_RTT_printf.c)
*
**********************************************************************
*/
int SEGGER_RTT_printf(unsigned BufferIndex, const char * sFormat, ...);
int SEGGER_RTT_vprintf(unsigned BufferIndex, const char * sFormat, va_list * pParamList);
#ifdef __cplusplus
}
#endif
#endif // ifndef(SEGGER_RTT_ASM)
/*********************************************************************
*
* Defines
*
**********************************************************************
*/
//
// Operating modes. Define behavior if buffer is full (not enough space for entire message)
//
#define SEGGER_RTT_MODE_NO_BLOCK_SKIP (0) // Skip. Do not block, output nothing. (Default)
#define SEGGER_RTT_MODE_NO_BLOCK_TRIM (1) // Trim: Do not block, output as much as fits.
#define SEGGER_RTT_MODE_BLOCK_IF_FIFO_FULL (2) // Block: Wait until there is space in the buffer.
#define SEGGER_RTT_MODE_MASK (3)
//
// Control sequences, based on ANSI.
// Can be used to control color, and clear the screen
//
#define RTT_CTRL_RESET "\x1B[0m" // Reset to default colors
#define RTT_CTRL_CLEAR "\x1B[2J" // Clear screen, reposition cursor to top left
#define RTT_CTRL_TEXT_BLACK "\x1B[2;30m"
#define RTT_CTRL_TEXT_RED "\x1B[2;31m"
#define RTT_CTRL_TEXT_GREEN "\x1B[2;32m"
#define RTT_CTRL_TEXT_YELLOW "\x1B[2;33m"
#define RTT_CTRL_TEXT_BLUE "\x1B[2;34m"
#define RTT_CTRL_TEXT_MAGENTA "\x1B[2;35m"
#define RTT_CTRL_TEXT_CYAN "\x1B[2;36m"
#define RTT_CTRL_TEXT_WHITE "\x1B[2;37m"
#define RTT_CTRL_TEXT_BRIGHT_BLACK "\x1B[1;30m"
#define RTT_CTRL_TEXT_BRIGHT_RED "\x1B[1;31m"
#define RTT_CTRL_TEXT_BRIGHT_GREEN "\x1B[1;32m"
#define RTT_CTRL_TEXT_BRIGHT_YELLOW "\x1B[1;33m"
#define RTT_CTRL_TEXT_BRIGHT_BLUE "\x1B[1;34m"
#define RTT_CTRL_TEXT_BRIGHT_MAGENTA "\x1B[1;35m"
#define RTT_CTRL_TEXT_BRIGHT_CYAN "\x1B[1;36m"
#define RTT_CTRL_TEXT_BRIGHT_WHITE "\x1B[1;37m"
#define RTT_CTRL_BG_BLACK "\x1B[24;40m"
#define RTT_CTRL_BG_RED "\x1B[24;41m"
#define RTT_CTRL_BG_GREEN "\x1B[24;42m"
#define RTT_CTRL_BG_YELLOW "\x1B[24;43m"
#define RTT_CTRL_BG_BLUE "\x1B[24;44m"
#define RTT_CTRL_BG_MAGENTA "\x1B[24;45m"
#define RTT_CTRL_BG_CYAN "\x1B[24;46m"
#define RTT_CTRL_BG_WHITE "\x1B[24;47m"
#define RTT_CTRL_BG_BRIGHT_BLACK "\x1B[4;40m"
#define RTT_CTRL_BG_BRIGHT_RED "\x1B[4;41m"
#define RTT_CTRL_BG_BRIGHT_GREEN "\x1B[4;42m"
#define RTT_CTRL_BG_BRIGHT_YELLOW "\x1B[4;43m"
#define RTT_CTRL_BG_BRIGHT_BLUE "\x1B[4;44m"
#define RTT_CTRL_BG_BRIGHT_MAGENTA "\x1B[4;45m"
#define RTT_CTRL_BG_BRIGHT_CYAN "\x1B[4;46m"
#define RTT_CTRL_BG_BRIGHT_WHITE "\x1B[4;47m"
#endif
/*************************** End of file ****************************/

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Firmware/Core/tinyusb/lib/SEGGER_RTT/RTT/SEGGER_RTT_ASM_ARMv7M.S Normal file
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/*********************************************************************
* (c) SEGGER Microcontroller GmbH *
* The Embedded Experts *
* www.segger.com *
**********************************************************************
-------------------------- END-OF-HEADER -----------------------------
File : SEGGER_RTT_ASM_ARMv7M.S
Purpose : Assembler implementation of RTT functions for ARMv7M
Additional information:
This module is written to be assembler-independent and works with
GCC and clang (Embedded Studio) and IAR.
*/
#define SEGGER_RTT_ASM // Used to control processed input from header file
#include "SEGGER_RTT.h"
/*********************************************************************
*
* Defines, fixed
*
**********************************************************************
*/
#define _CCIAR 0
#define _CCCLANG 1
#if (defined __SES_ARM) || (defined __GNUC__) || (defined __clang__)
#define _CC_TYPE _CCCLANG
#define _PUB_SYM .global
#define _EXT_SYM .extern
#define _END .end
#define _WEAK .weak
#define _THUMB_FUNC .thumb_func
#define _THUMB_CODE .code 16
#define _WORD .word
#define _SECTION(Sect, Type, AlignExp) .section Sect ##, "ax"
#define _ALIGN(Exp) .align Exp
#define _PLACE_LITS .ltorg
#define _DATA_SECT_START
#define _C_STARTUP _start
#define _STACK_END __stack_end__
#define _RAMFUNC
//
// .text => Link to flash
// .fast => Link to RAM
// OtherSect => Usually link to RAM
// Alignment is 2^x
//
#elif defined (__IASMARM__)
#define _CC_TYPE _CCIAR
#define _PUB_SYM PUBLIC
#define _EXT_SYM EXTERN
#define _END END
#define _WEAK _WEAK
#define _THUMB_FUNC
#define _THUMB_CODE THUMB
#define _WORD DCD
#define _SECTION(Sect, Type, AlignExp) SECTION Sect ## : ## Type ## :REORDER:NOROOT ## (AlignExp)
#define _ALIGN(Exp) alignrom Exp
#define _PLACE_LITS
#define _DATA_SECT_START DATA
#define _C_STARTUP __iar_program_start
#define _STACK_END sfe(CSTACK)
#define _RAMFUNC SECTION_TYPE SHT_PROGBITS, SHF_WRITE | SHF_EXECINSTR
//
// .text => Link to flash
// .textrw => Link to RAM
// OtherSect => Usually link to RAM
// NOROOT => Allows linker to throw away the function, if not referenced
// Alignment is 2^x
//
#endif
#if (_CC_TYPE == _CCIAR)
NAME SEGGER_RTT_ASM_ARMv7M
#else
.syntax unified
#endif
#if defined (RTT_USE_ASM) && (RTT_USE_ASM == 1)
#define SHT_PROGBITS 0x1
/*********************************************************************
*
* Public / external symbols
*
**********************************************************************
*/
_EXT_SYM __aeabi_memcpy
_EXT_SYM __aeabi_memcpy4
_EXT_SYM _SEGGER_RTT
_PUB_SYM SEGGER_RTT_ASM_WriteSkipNoLock
/*********************************************************************
*
* SEGGER_RTT_WriteSkipNoLock
*
* Function description
* Stores a specified number of characters in SEGGER RTT
* control block which is then read by the host.
* SEGGER_RTT_WriteSkipNoLock does not lock the application and
* skips all data, if the data does not fit into the buffer.
*
* Parameters
* BufferIndex Index of "Up"-buffer to be used (e.g. 0 for "Terminal").
* pBuffer Pointer to character array. Does not need to point to a \0 terminated string.
* NumBytes Number of bytes to be stored in the SEGGER RTT control block.
* MUST be > 0!!!
* This is done for performance reasons, so no initial check has do be done.
*
* Return value
* 1: Data has been copied
* 0: No space, data has not been copied
*
* Notes
* (1) If there is not enough space in the "Up"-buffer, all data is dropped.
* (2) For performance reasons this function does not call Init()
* and may only be called after RTT has been initialized.
* Either by calling SEGGER_RTT_Init() or calling another RTT API function first.
*/
_SECTION(.text, CODE, 2)
_ALIGN(2)
_THUMB_FUNC
SEGGER_RTT_ASM_WriteSkipNoLock: // unsigned SEGGER_RTT_WriteSkipNoLock(unsigned BufferIndex, const void* pData, unsigned NumBytes) {
//
// Cases:
// 1) RdOff <= WrOff => Space until wrap-around is sufficient
// 2) RdOff <= WrOff => Space after wrap-around needed (copy in 2 chunks)
// 3) RdOff < WrOff => No space in buf
// 4) RdOff > WrOff => Space is sufficient
// 5) RdOff > WrOff => No space in buf
//
// 1) is the most common case for large buffers and assuming that J-Link reads the data fast enough
//
// Register usage:
// R0 Temporary needed as RdOff, <Tmp> register later on
// R1 pData
// R2 <NumBytes>
// R3 <Tmp> register. Hold free for subroutine calls
// R4 <Rem>
// R5 pRing->pBuffer
// R6 pRing (Points to active struct SEGGER_RTT_BUFFER_DOWN)
// R7 WrOff
//
PUSH {R4-R7}
ADD R3,R0,R0, LSL #+1
LDR.W R0,=_SEGGER_RTT // pRing = &_SEGGER_RTT.aUp[BufferIndex];
ADD R0,R0,R3, LSL #+3
ADD R6,R0,#+24
LDR R0,[R6, #+16] // RdOff = pRing->RdOff;
LDR R7,[R6, #+12] // WrOff = pRing->WrOff;
LDR R5,[R6, #+4] // pRing->pBuffer
CMP R7,R0
BCC.N _CheckCase4 // if (RdOff <= WrOff) { => Case 1), 2) or 3)
//
// Handling for case 1, later on identical to case 4
//
LDR R3,[R6, #+8] // Avail = pRing->SizeOfBuffer - WrOff - 1u; => Space until wrap-around (assume 1 byte not usable for case that RdOff == 0)
SUBS R4,R3,R7 // <Rem> (Used in case we jump into case 2 afterwards)
SUBS R3,R4,#+1 // <Avail>
CMP R3,R2
BCC.N _CheckCase2 // if (Avail >= NumBytes) { => Case 1)?
_Case4:
ADDS R5,R7,R5 // pBuffer += WrOff
ADDS R0,R2,R7 // v = WrOff + NumBytes
//
// 2x unrolling for the copy loop that is used most of the time
// This is a special optimization for small SystemView packets and makes them even faster
//
_ALIGN(2)
_LoopCopyStraight: // memcpy(pRing->pBuffer + WrOff, pData, NumBytes);
LDRB R3,[R1], #+1
STRB R3,[R5], #+1 // *pDest++ = *pSrc++
SUBS R2,R2,#+1
BEQ _CSDone
LDRB R3,[R1], #+1
STRB R3,[R5], #+1 // *pDest++ = *pSrc++
SUBS R2,R2,#+1
BNE _LoopCopyStraight
_CSDone:
STR R0,[R6, #+12] // pRing->WrOff = WrOff + NumBytes;
MOVS R0,#+1
POP {R4-R7}
BX LR // Return 1
_CheckCase2:
ADDS R0,R0,R3 // Avail += RdOff; => Space incl. wrap-around
CMP R0,R2
BCC.N _Case3 // if (Avail >= NumBytes) { => Case 2? => If not, we have case 3) (does not fit)
//
// Handling for case 2
//
ADDS R0,R7,R5 // v = pRing->pBuffer + WrOff => Do not change pRing->pBuffer here because 2nd chunk needs org. value
SUBS R2,R2,R4 // NumBytes -= Rem; (Rem = pRing->SizeOfBuffer - WrOff; => Space until end of buffer)
_LoopCopyBeforeWrapAround: // memcpy(pRing->pBuffer + WrOff, pData, Rem); => Copy 1st chunk
LDRB R3,[R1], #+1
STRB R3,[R0], #+1 // *pDest++ = *pSrc++
SUBS R4,R4,#+1
BNE _LoopCopyBeforeWrapAround
//
// Special case: First check that assumed RdOff == 0 calculated that last element before wrap-around could not be used
// But 2nd check (considering space until wrap-around and until RdOff) revealed that RdOff is not 0, so we can use the last element
// In this case, we may use a copy straight until buffer end anyway without needing to copy 2 chunks
// Therefore, check if 2nd memcpy is necessary at all
//
ADDS R4,R2,#+0 // Save <NumBytes> (needed as counter in loop but must be written to <WrOff> after the loop). Also use this inst to update the flags to skip 2nd loop if possible
BEQ.N _No2ChunkNeeded // if (NumBytes) {
_LoopCopyAfterWrapAround: // memcpy(pRing->pBuffer, pData + Rem, NumBytes);
LDRB R3,[R1], #+1 // pData already points to the next src byte due to copy loop increment before this loop
STRB R3,[R5], #+1 // *pDest++ = *pSrc++
SUBS R2,R2,#+1
BNE _LoopCopyAfterWrapAround
_No2ChunkNeeded:
STR R4,[R6, #+12] // pRing->WrOff = NumBytes; => Must be written after copying data because J-Link may read control block asynchronously while writing into buffer
MOVS R0,#+1
POP {R4-R7}
BX LR // Return 1
_CheckCase4:
SUBS R0,R0,R7
SUBS R0,R0,#+1 // Avail = RdOff - WrOff - 1u;
CMP R0,R2
BCS.N _Case4 // if (Avail >= NumBytes) { => Case 4) == 1) ? => If not, we have case 5) == 3) (does not fit)
_Case3:
MOVS R0,#+0
POP {R4-R7}
BX LR // Return 0
_PLACE_LITS
#endif // defined (RTT_USE_ASM) && (RTT_USE_ASM == 1)
_END
/*************************** End of file ****************************/

384
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/*********************************************************************
* SEGGER Microcontroller GmbH *
* The Embedded Experts *
**********************************************************************
* *
* (c) 1995 - 2019 SEGGER Microcontroller GmbH *
* *
* www.segger.com Support: support@segger.com *
* *
**********************************************************************
* *
* SEGGER RTT * Real Time Transfer for embedded targets *
* *
**********************************************************************
* *
* All rights reserved. *
* *
* SEGGER strongly recommends to not make any changes *
* to or modify the source code of this software in order to stay *
* compatible with the RTT protocol and J-Link. *
* *
* Redistribution and use in source and binary forms, with or *
* without modification, are permitted provided that the following *
* condition is met: *
* *
* o Redistributions of source code must retain the above copyright *
* notice, this condition and the following disclaimer. *
* *
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND *
* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, *
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF *
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE *
* DISCLAIMED. IN NO EVENT SHALL SEGGER Microcontroller BE LIABLE FOR *
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR *
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT *
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; *
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF *
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT *
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE *
* USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH *
* DAMAGE. *
* *
**********************************************************************
---------------------------END-OF-HEADER------------------------------
File : SEGGER_RTT_Conf.h
Purpose : Implementation of SEGGER real-time transfer (RTT) which
allows real-time communication on targets which support
debugger memory accesses while the CPU is running.
Revision: $Rev: 18601 $
*/
#ifndef SEGGER_RTT_CONF_H
#define SEGGER_RTT_CONF_H
#ifdef __IAR_SYSTEMS_ICC__
#include <intrinsics.h>
#endif
/*********************************************************************
*
* Defines, configurable
*
**********************************************************************
*/
#ifndef SEGGER_RTT_MAX_NUM_UP_BUFFERS
#define SEGGER_RTT_MAX_NUM_UP_BUFFERS (3) // Max. number of up-buffers (T->H) available on this target (Default: 3)
#endif
#ifndef SEGGER_RTT_MAX_NUM_DOWN_BUFFERS
#define SEGGER_RTT_MAX_NUM_DOWN_BUFFERS (3) // Max. number of down-buffers (H->T) available on this target (Default: 3)
#endif
#ifndef BUFFER_SIZE_UP
#define BUFFER_SIZE_UP (1024) // Size of the buffer for terminal output of target, up to host (Default: 1k)
#endif
#ifndef BUFFER_SIZE_DOWN
#define BUFFER_SIZE_DOWN (16) // Size of the buffer for terminal input to target from host (Usually keyboard input) (Default: 16)
#endif
#ifndef SEGGER_RTT_PRINTF_BUFFER_SIZE
#define SEGGER_RTT_PRINTF_BUFFER_SIZE (64u) // Size of buffer for RTT printf to bulk-send chars via RTT (Default: 64)
#endif
#ifndef SEGGER_RTT_MODE_DEFAULT
#define SEGGER_RTT_MODE_DEFAULT SEGGER_RTT_MODE_NO_BLOCK_SKIP // Mode for pre-initialized terminal channel (buffer 0)
#endif
/*********************************************************************
*
* RTT memcpy configuration
*
* memcpy() is good for large amounts of data,
* but the overhead is big for small amounts, which are usually stored via RTT.
* With SEGGER_RTT_MEMCPY_USE_BYTELOOP a simple byte loop can be used instead.
*
* SEGGER_RTT_MEMCPY() can be used to replace standard memcpy() in RTT functions.
* This is may be required with memory access restrictions,
* such as on Cortex-A devices with MMU.
*/
#ifndef SEGGER_RTT_MEMCPY_USE_BYTELOOP
#define SEGGER_RTT_MEMCPY_USE_BYTELOOP 0 // 0: Use memcpy/SEGGER_RTT_MEMCPY, 1: Use a simple byte-loop
#endif
//
// Example definition of SEGGER_RTT_MEMCPY to external memcpy with GCC toolchains and Cortex-A targets
//
//#if ((defined __SES_ARM) || (defined __CROSSWORKS_ARM) || (defined __GNUC__)) && (defined (__ARM_ARCH_7A__))
// #define SEGGER_RTT_MEMCPY(pDest, pSrc, NumBytes) SEGGER_memcpy((pDest), (pSrc), (NumBytes))
//#endif
//
// Target is not allowed to perform other RTT operations while string still has not been stored completely.
// Otherwise we would probably end up with a mixed string in the buffer.
// If using RTT from within interrupts, multiple tasks or multi processors, define the SEGGER_RTT_LOCK() and SEGGER_RTT_UNLOCK() function here.
//
// SEGGER_RTT_MAX_INTERRUPT_PRIORITY can be used in the sample lock routines on Cortex-M3/4.
// Make sure to mask all interrupts which can send RTT data, i.e. generate SystemView events, or cause task switches.
// When high-priority interrupts must not be masked while sending RTT data, SEGGER_RTT_MAX_INTERRUPT_PRIORITY needs to be adjusted accordingly.
// (Higher priority = lower priority number)
// Default value for embOS: 128u
// Default configuration in FreeRTOS: configMAX_SYSCALL_INTERRUPT_PRIORITY: ( configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY << (8 - configPRIO_BITS) )
// In case of doubt mask all interrupts: 1 << (8 - BASEPRI_PRIO_BITS) i.e. 1 << 5 when 3 bits are implemented in NVIC
// or define SEGGER_RTT_LOCK() to completely disable interrupts.
//
#ifndef SEGGER_RTT_MAX_INTERRUPT_PRIORITY
#define SEGGER_RTT_MAX_INTERRUPT_PRIORITY (0x20) // Interrupt priority to lock on SEGGER_RTT_LOCK on Cortex-M3/4 (Default: 0x20)
#endif
/*********************************************************************
*
* RTT lock configuration for SEGGER Embedded Studio,
* Rowley CrossStudio and GCC
*/
#if ((defined(__SES_ARM) || defined(__SES_RISCV) || defined(__CROSSWORKS_ARM) || defined(__GNUC__) || defined(__clang__)) && !defined (__CC_ARM) && !defined(WIN32))
#if (defined(__ARM_ARCH_6M__) || defined(__ARM_ARCH_8M_BASE__))
#define SEGGER_RTT_LOCK() { \
unsigned int LockState; \
__asm volatile ("mrs %0, primask \n\t" \
"movs r1, $1 \n\t" \
"msr primask, r1 \n\t" \
: "=r" (LockState) \
: \
: "r1" \
);
#define SEGGER_RTT_UNLOCK() __asm volatile ("msr primask, %0 \n\t" \
: \
: "r" (LockState) \
: \
); \
}
#elif (defined(__ARM_ARCH_7M__) || defined(__ARM_ARCH_7EM__) || defined(__ARM_ARCH_8M_MAIN__))
#ifndef SEGGER_RTT_MAX_INTERRUPT_PRIORITY
#define SEGGER_RTT_MAX_INTERRUPT_PRIORITY (0x20)
#endif
#define SEGGER_RTT_LOCK() { \
unsigned int LockState; \
__asm volatile ("mrs %0, basepri \n\t" \
"mov r1, %1 \n\t" \
"msr basepri, r1 \n\t" \
: "=r" (LockState) \
: "i"(SEGGER_RTT_MAX_INTERRUPT_PRIORITY) \
: "r1" \
);
#define SEGGER_RTT_UNLOCK() __asm volatile ("msr basepri, %0 \n\t" \
: \
: "r" (LockState) \
: \
); \
}
#elif defined(__ARM_ARCH_7A__)
#define SEGGER_RTT_LOCK() { \
unsigned int LockState; \
__asm volatile ("mrs r1, CPSR \n\t" \
"mov %0, r1 \n\t" \
"orr r1, r1, #0xC0 \n\t" \
"msr CPSR_c, r1 \n\t" \
: "=r" (LockState) \
: \
: "r1" \
);
#define SEGGER_RTT_UNLOCK() __asm volatile ("mov r0, %0 \n\t" \
"mrs r1, CPSR \n\t" \
"bic r1, r1, #0xC0 \n\t" \
"and r0, r0, #0xC0 \n\t" \
"orr r1, r1, r0 \n\t" \
"msr CPSR_c, r1 \n\t" \
: \
: "r" (LockState) \
: "r0", "r1" \
); \
}
#elif defined(__riscv) || defined(__riscv_xlen)
#define SEGGER_RTT_LOCK() { \
unsigned int LockState; \
__asm volatile ("csrr %0, mstatus \n\t" \
"csrci mstatus, 8 \n\t" \
"andi %0, %0, 8 \n\t" \
: "=r" (LockState) \
: \
: \
);
#define SEGGER_RTT_UNLOCK() __asm volatile ("csrr a1, mstatus \n\t" \
"or %0, %0, a1 \n\t" \
"csrs mstatus, %0 \n\t" \
: \
: "r" (LockState) \
: "a1" \
); \
}
#else
#define SEGGER_RTT_LOCK()
#define SEGGER_RTT_UNLOCK()
#endif
#endif
/*********************************************************************
*
* RTT lock configuration for IAR EWARM
*/
#ifdef __ICCARM__
#if (defined (__ARM6M__) && (__CORE__ == __ARM6M__)) || \
(defined (__ARM8M_BASELINE__) && (__CORE__ == __ARM8M_BASELINE__))
#define SEGGER_RTT_LOCK() { \
unsigned int LockState; \
LockState = __get_PRIMASK(); \
__set_PRIMASK(1);
#define SEGGER_RTT_UNLOCK() __set_PRIMASK(LockState); \
}
#elif (defined (__ARM7EM__) && (__CORE__ == __ARM7EM__)) || \
(defined (__ARM7M__) && (__CORE__ == __ARM7M__)) || \
(defined (__ARM8M_MAINLINE__) && (__CORE__ == __ARM8M_MAINLINE__)) || \
(defined (__ARM8M_MAINLINE__) && (__CORE__ == __ARM8M_MAINLINE__))
#ifndef SEGGER_RTT_MAX_INTERRUPT_PRIORITY
#define SEGGER_RTT_MAX_INTERRUPT_PRIORITY (0x20)
#endif
#define SEGGER_RTT_LOCK() { \
unsigned int LockState; \
LockState = __get_BASEPRI(); \
__set_BASEPRI(SEGGER_RTT_MAX_INTERRUPT_PRIORITY);
#define SEGGER_RTT_UNLOCK() __set_BASEPRI(LockState); \
}
#endif
#endif
/*********************************************************************
*
* RTT lock configuration for IAR RX
*/
#ifdef __ICCRX__
#define SEGGER_RTT_LOCK() { \
unsigned long LockState; \
LockState = __get_interrupt_state(); \
__disable_interrupt();
#define SEGGER_RTT_UNLOCK() __set_interrupt_state(LockState); \
}
#endif
/*********************************************************************
*
* RTT lock configuration for IAR RL78
*/
#ifdef __ICCRL78__
#define SEGGER_RTT_LOCK() { \
__istate_t LockState; \
LockState = __get_interrupt_state(); \
__disable_interrupt();
#define SEGGER_RTT_UNLOCK() __set_interrupt_state(LockState); \
}
#endif
/*********************************************************************
*
* RTT lock configuration for KEIL ARM
*/
#ifdef __CC_ARM
#if (defined __TARGET_ARCH_6S_M)
#define SEGGER_RTT_LOCK() { \
unsigned int LockState; \
register unsigned char PRIMASK __asm( "primask"); \
LockState = PRIMASK; \
PRIMASK = 1u; \
__schedule_barrier();
#define SEGGER_RTT_UNLOCK() PRIMASK = LockState; \
__schedule_barrier(); \
}
#elif (defined(__TARGET_ARCH_7_M) || defined(__TARGET_ARCH_7E_M))
#ifndef SEGGER_RTT_MAX_INTERRUPT_PRIORITY
#define SEGGER_RTT_MAX_INTERRUPT_PRIORITY (0x20)
#endif
#define SEGGER_RTT_LOCK() { \
unsigned int LockState; \
register unsigned char BASEPRI __asm( "basepri"); \
LockState = BASEPRI; \
BASEPRI = SEGGER_RTT_MAX_INTERRUPT_PRIORITY; \
__schedule_barrier();
#define SEGGER_RTT_UNLOCK() BASEPRI = LockState; \
__schedule_barrier(); \
}
#endif
#endif
/*********************************************************************
*
* RTT lock configuration for TI ARM
*/
#ifdef __TI_ARM__
#if defined (__TI_ARM_V6M0__)
#define SEGGER_RTT_LOCK() { \
unsigned int LockState; \
LockState = __get_PRIMASK(); \
__set_PRIMASK(1);
#define SEGGER_RTT_UNLOCK() __set_PRIMASK(LockState); \
}
#elif (defined (__TI_ARM_V7M3__) || defined (__TI_ARM_V7M4__))
#ifndef SEGGER_RTT_MAX_INTERRUPT_PRIORITY
#define SEGGER_RTT_MAX_INTERRUPT_PRIORITY (0x20)
#endif
#define SEGGER_RTT_LOCK() { \
unsigned int LockState; \
LockState = _set_interrupt_priority(SEGGER_RTT_MAX_INTERRUPT_PRIORITY);
#define SEGGER_RTT_UNLOCK() _set_interrupt_priority(LockState); \
}
#endif
#endif
/*********************************************************************
*
* RTT lock configuration for CCRX
*/
#ifdef __RX
#define SEGGER_RTT_LOCK() { \
unsigned long LockState; \
LockState = get_psw() & 0x010000; \
clrpsw_i();
#define SEGGER_RTT_UNLOCK() set_psw(get_psw() | LockState); \
}
#endif
/*********************************************************************
*
* RTT lock configuration for embOS Simulation on Windows
* (Can also be used for generic RTT locking with embOS)
*/
#if defined(WIN32) || defined(SEGGER_RTT_LOCK_EMBOS)
void OS_SIM_EnterCriticalSection(void);
void OS_SIM_LeaveCriticalSection(void);
#define SEGGER_RTT_LOCK() { \
OS_SIM_EnterCriticalSection();
#define SEGGER_RTT_UNLOCK() OS_SIM_LeaveCriticalSection(); \
}
#endif
/*********************************************************************
*
* RTT lock configuration fallback
*/
#ifndef SEGGER_RTT_LOCK
#define SEGGER_RTT_LOCK() // Lock RTT (nestable) (i.e. disable interrupts)
#endif
#ifndef SEGGER_RTT_UNLOCK
#define SEGGER_RTT_UNLOCK() // Unlock RTT (nestable) (i.e. enable previous interrupt lock state)
#endif
#endif
/*************************** End of file ****************************/

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/*********************************************************************
* SEGGER Microcontroller GmbH *
* The Embedded Experts *
**********************************************************************
* *
* (c) 1995 - 2019 SEGGER Microcontroller GmbH *
* *
* www.segger.com Support: support@segger.com *
* *
**********************************************************************
* *
* SEGGER RTT * Real Time Transfer for embedded targets *
* *
**********************************************************************
* *
* All rights reserved. *
* *
* SEGGER strongly recommends to not make any changes *
* to or modify the source code of this software in order to stay *
* compatible with the RTT protocol and J-Link. *
* *
* Redistribution and use in source and binary forms, with or *
* without modification, are permitted provided that the following *
* condition is met: *
* *
* o Redistributions of source code must retain the above copyright *
* notice, this condition and the following disclaimer. *
* *
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND *
* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, *
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF *
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE *
* DISCLAIMED. IN NO EVENT SHALL SEGGER Microcontroller BE LIABLE FOR *
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR *
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT *
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; *
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF *
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT *
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE *
* USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH *
* DAMAGE. *
* *
**********************************************************************
---------------------------END-OF-HEADER------------------------------
File : SEGGER_RTT_printf.c
Purpose : Replacement for printf to write formatted data via RTT
Revision: $Rev: 17697 $
----------------------------------------------------------------------
*/
#include "SEGGER_RTT.h"
#include "SEGGER_RTT_Conf.h"
/*********************************************************************
*
* Defines, configurable
*
**********************************************************************
*/
#ifndef SEGGER_RTT_PRINTF_BUFFER_SIZE
#define SEGGER_RTT_PRINTF_BUFFER_SIZE (64)
#endif
#include <stdlib.h>
#include <stdarg.h>
#define FORMAT_FLAG_LEFT_JUSTIFY (1u << 0)
#define FORMAT_FLAG_PAD_ZERO (1u << 1)
#define FORMAT_FLAG_PRINT_SIGN (1u << 2)
#define FORMAT_FLAG_ALTERNATE (1u << 3)
/*********************************************************************
*
* Types
*
**********************************************************************
*/
typedef struct {
char* pBuffer;
unsigned BufferSize;
unsigned Cnt;
int ReturnValue;
unsigned RTTBufferIndex;
} SEGGER_RTT_PRINTF_DESC;
/*********************************************************************
*
* Function prototypes
*
**********************************************************************
*/
/*********************************************************************
*
* Static code
*
**********************************************************************
*/
/*********************************************************************
*
* _StoreChar
*/
static void _StoreChar(SEGGER_RTT_PRINTF_DESC * p, char c) {
unsigned Cnt;
Cnt = p->Cnt;
if ((Cnt + 1u) <= p->BufferSize) {
*(p->pBuffer + Cnt) = c;
p->Cnt = Cnt + 1u;
p->ReturnValue++;
}
//
// Write part of string, when the buffer is full
//
if (p->Cnt == p->BufferSize) {
if (SEGGER_RTT_Write(p->RTTBufferIndex, p->pBuffer, p->Cnt) != p->Cnt) {
p->ReturnValue = -1;
} else {
p->Cnt = 0u;
}
}
}
/*********************************************************************
*
* _PrintUnsigned
*/
static void _PrintUnsigned(SEGGER_RTT_PRINTF_DESC * pBufferDesc, unsigned v, unsigned Base, unsigned NumDigits, unsigned FieldWidth, unsigned FormatFlags) {
static const char _aV2C[16] = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F' };
unsigned Div;
unsigned Digit;
unsigned Number;
unsigned Width;
char c;
Number = v;
Digit = 1u;
//
// Get actual field width
//
Width = 1u;
while (Number >= Base) {
Number = (Number / Base);
Width++;
}
if (NumDigits > Width) {
Width = NumDigits;
}
//
// Print leading chars if necessary
//
if ((FormatFlags & FORMAT_FLAG_LEFT_JUSTIFY) == 0u) {
if (FieldWidth != 0u) {
if (((FormatFlags & FORMAT_FLAG_PAD_ZERO) == FORMAT_FLAG_PAD_ZERO) && (NumDigits == 0u)) {
c = '0';
} else {
c = ' ';
}
while ((FieldWidth != 0u) && (Width < FieldWidth)) {
FieldWidth--;
_StoreChar(pBufferDesc, c);
if (pBufferDesc->ReturnValue < 0) {
break;
}
}
}
}
if (pBufferDesc->ReturnValue >= 0) {
//
// Compute Digit.
// Loop until Digit has the value of the highest digit required.
// Example: If the output is 345 (Base 10), loop 2 times until Digit is 100.
//
while (1) {
if (NumDigits > 1u) { // User specified a min number of digits to print? => Make sure we loop at least that often, before checking anything else (> 1 check avoids problems with NumDigits being signed / unsigned)
NumDigits--;
} else {
Div = v / Digit;
if (Div < Base) { // Is our divider big enough to extract the highest digit from value? => Done
break;
}
}
Digit *= Base;
}
//
// Output digits
//
do {
Div = v / Digit;
v -= Div * Digit;
_StoreChar(pBufferDesc, _aV2C[Div]);
if (pBufferDesc->ReturnValue < 0) {
break;
}
Digit /= Base;
} while (Digit);
//
// Print trailing spaces if necessary
//
if ((FormatFlags & FORMAT_FLAG_LEFT_JUSTIFY) == FORMAT_FLAG_LEFT_JUSTIFY) {
if (FieldWidth != 0u) {
while ((FieldWidth != 0u) && (Width < FieldWidth)) {
FieldWidth--;
_StoreChar(pBufferDesc, ' ');
if (pBufferDesc->ReturnValue < 0) {
break;
}
}
}
}
}
}
/*********************************************************************
*
* _PrintInt
*/
static void _PrintInt(SEGGER_RTT_PRINTF_DESC * pBufferDesc, int v, unsigned Base, unsigned NumDigits, unsigned FieldWidth, unsigned FormatFlags) {
unsigned Width;
int Number;
Number = (v < 0) ? -v : v;
//
// Get actual field width
//
Width = 1u;
while (Number >= (int)Base) {
Number = (Number / (int)Base);
Width++;
}
if (NumDigits > Width) {
Width = NumDigits;
}
if ((FieldWidth > 0u) && ((v < 0) || ((FormatFlags & FORMAT_FLAG_PRINT_SIGN) == FORMAT_FLAG_PRINT_SIGN))) {
FieldWidth--;
}
//
// Print leading spaces if necessary
//
if ((((FormatFlags & FORMAT_FLAG_PAD_ZERO) == 0u) || (NumDigits != 0u)) && ((FormatFlags & FORMAT_FLAG_LEFT_JUSTIFY) == 0u)) {
if (FieldWidth != 0u) {
while ((FieldWidth != 0u) && (Width < FieldWidth)) {
FieldWidth--;
_StoreChar(pBufferDesc, ' ');
if (pBufferDesc->ReturnValue < 0) {
break;
}
}
}
}
//
// Print sign if necessary
//
if (pBufferDesc->ReturnValue >= 0) {
if (v < 0) {
v = -v;
_StoreChar(pBufferDesc, '-');
} else if ((FormatFlags & FORMAT_FLAG_PRINT_SIGN) == FORMAT_FLAG_PRINT_SIGN) {
_StoreChar(pBufferDesc, '+');
} else {
}
if (pBufferDesc->ReturnValue >= 0) {
//
// Print leading zeros if necessary
//
if (((FormatFlags & FORMAT_FLAG_PAD_ZERO) == FORMAT_FLAG_PAD_ZERO) && ((FormatFlags & FORMAT_FLAG_LEFT_JUSTIFY) == 0u) && (NumDigits == 0u)) {
if (FieldWidth != 0u) {
while ((FieldWidth != 0u) && (Width < FieldWidth)) {
FieldWidth--;
_StoreChar(pBufferDesc, '0');
if (pBufferDesc->ReturnValue < 0) {
break;
}
}
}
}
if (pBufferDesc->ReturnValue >= 0) {
//
// Print number without sign
//
_PrintUnsigned(pBufferDesc, (unsigned)v, Base, NumDigits, FieldWidth, FormatFlags);
}
}
}
}
/*********************************************************************
*
* Public code
*
**********************************************************************
*/
/*********************************************************************
*
* SEGGER_RTT_vprintf
*
* Function description
* Stores a formatted string in SEGGER RTT control block.
* This data is read by the host.
*
* Parameters
* BufferIndex Index of "Up"-buffer to be used. (e.g. 0 for "Terminal")
* sFormat Pointer to format string
* pParamList Pointer to the list of arguments for the format string
*
* Return values
* >= 0: Number of bytes which have been stored in the "Up"-buffer.
* < 0: Error
*/
int SEGGER_RTT_vprintf(unsigned BufferIndex, const char * sFormat, va_list * pParamList) {
char c;
SEGGER_RTT_PRINTF_DESC BufferDesc;
int v;
unsigned NumDigits;
unsigned FormatFlags;
unsigned FieldWidth;
char acBuffer[SEGGER_RTT_PRINTF_BUFFER_SIZE];
BufferDesc.pBuffer = acBuffer;
BufferDesc.BufferSize = SEGGER_RTT_PRINTF_BUFFER_SIZE;
BufferDesc.Cnt = 0u;
BufferDesc.RTTBufferIndex = BufferIndex;
BufferDesc.ReturnValue = 0;
do {
c = *sFormat;
sFormat++;
if (c == 0u) {
break;
}
if (c == '%') {
//
// Filter out flags
//
FormatFlags = 0u;
v = 1;
do {
c = *sFormat;
switch (c) {
case '-': FormatFlags |= FORMAT_FLAG_LEFT_JUSTIFY; sFormat++; break;
case '0': FormatFlags |= FORMAT_FLAG_PAD_ZERO; sFormat++; break;
case '+': FormatFlags |= FORMAT_FLAG_PRINT_SIGN; sFormat++; break;
case '#': FormatFlags |= FORMAT_FLAG_ALTERNATE; sFormat++; break;
default: v = 0; break;
}
} while (v);
//
// filter out field with
//
FieldWidth = 0u;
do {
c = *sFormat;
if ((c < '0') || (c > '9')) {
break;
}
sFormat++;
FieldWidth = (FieldWidth * 10u) + ((unsigned)c - '0');
} while (1);
//
// Filter out precision (number of digits to display)
//
NumDigits = 0u;
c = *sFormat;
if (c == '.') {
sFormat++;
do {
c = *sFormat;
if ((c < '0') || (c > '9')) {
break;
}
sFormat++;
NumDigits = NumDigits * 10u + ((unsigned)c - '0');
} while (1);
}
//
// Filter out length modifier
//
c = *sFormat;
do {
if ((c == 'l') || (c == 'h')) {
sFormat++;
c = *sFormat;
} else {
break;
}
} while (1);
//
// Handle specifiers
//
switch (c) {
case 'c': {
char c0;
v = va_arg(*pParamList, int);
c0 = (char)v;
_StoreChar(&BufferDesc, c0);
break;
}
case 'd':
v = va_arg(*pParamList, int);
_PrintInt(&BufferDesc, v, 10u, NumDigits, FieldWidth, FormatFlags);
break;
case 'u':
v = va_arg(*pParamList, int);
_PrintUnsigned(&BufferDesc, (unsigned)v, 10u, NumDigits, FieldWidth, FormatFlags);
break;
case 'x':
case 'X':
v = va_arg(*pParamList, int);
_PrintUnsigned(&BufferDesc, (unsigned)v, 16u, NumDigits, FieldWidth, FormatFlags);
break;
case 's':
{
const char * s = va_arg(*pParamList, const char *);
do {
c = *s;
s++;
if (c == '\0') {
break;
}
_StoreChar(&BufferDesc, c);
} while (BufferDesc.ReturnValue >= 0);
}
break;
case 'p':
v = va_arg(*pParamList, int);
_PrintUnsigned(&BufferDesc, (unsigned)v, 16u, 8u, 8u, 0u);
break;
case '%':
_StoreChar(&BufferDesc, '%');
break;
default:
break;
}
sFormat++;
} else {
_StoreChar(&BufferDesc, c);
}
} while (BufferDesc.ReturnValue >= 0);
if (BufferDesc.ReturnValue > 0) {
//
// Write remaining data, if any
//
if (BufferDesc.Cnt != 0u) {
SEGGER_RTT_Write(BufferIndex, acBuffer, BufferDesc.Cnt);
}
BufferDesc.ReturnValue += (int)BufferDesc.Cnt;
}
return BufferDesc.ReturnValue;
}
/*********************************************************************
*
* SEGGER_RTT_printf
*
* Function description
* Stores a formatted string in SEGGER RTT control block.
* This data is read by the host.
*
* Parameters
* BufferIndex Index of "Up"-buffer to be used. (e.g. 0 for "Terminal")
* sFormat Pointer to format string, followed by the arguments for conversion
*
* Return values
* >= 0: Number of bytes which have been stored in the "Up"-buffer.
* < 0: Error
*
* Notes
* (1) Conversion specifications have following syntax:
* %[flags][FieldWidth][.Precision]ConversionSpecifier
* (2) Supported flags:
* -: Left justify within the field width
* +: Always print sign extension for signed conversions
* 0: Pad with 0 instead of spaces. Ignored when using '-'-flag or precision
* Supported conversion specifiers:
* c: Print the argument as one char
* d: Print the argument as a signed integer
* u: Print the argument as an unsigned integer
* x: Print the argument as an hexadecimal integer
* s: Print the string pointed to by the argument
* p: Print the argument as an 8-digit hexadecimal integer. (Argument shall be a pointer to void.)
*/
int SEGGER_RTT_printf(unsigned BufferIndex, const char * sFormat, ...) {
int r;
va_list ParamList;
va_start(ParamList, sFormat);
r = SEGGER_RTT_vprintf(BufferIndex, sFormat, &ParamList);
va_end(ParamList);
return r;
}
/*************************** End of file ****************************/

120
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/*********************************************************************
* SEGGER Microcontroller GmbH *
* The Embedded Experts *
**********************************************************************
* *
* (c) 1995 - 2019 SEGGER Microcontroller GmbH *
* *
* www.segger.com Support: support@segger.com *
* *
**********************************************************************
* *
* SEGGER RTT * Real Time Transfer for embedded targets *
* *
**********************************************************************
* *
* All rights reserved. *
* *
* SEGGER strongly recommends to not make any changes *
* to or modify the source code of this software in order to stay *
* compatible with the RTT protocol and J-Link. *
* *
* Redistribution and use in source and binary forms, with or *
* without modification, are permitted provided that the following *
* condition is met: *
* *
* o Redistributions of source code must retain the above copyright *
* notice, this condition and the following disclaimer. *
* *
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND *
* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, *
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF *
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE *
* DISCLAIMED. IN NO EVENT SHALL SEGGER Microcontroller BE LIABLE FOR *
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR *
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT *
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; *
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF *
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT *
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE *
* USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH *
* DAMAGE. *
* *
**********************************************************************
---------------------------END-OF-HEADER------------------------------
File : SEGGER_RTT_Syscalls_GCC.c
Purpose : Low-level functions for using printf() via RTT in GCC.
To use RTT for printf output, include this file in your
application.
Revision: $Rev: 17697 $
----------------------------------------------------------------------
*/
#if (defined __GNUC__) && !(defined __SES_ARM) && !(defined __CROSSWORKS_ARM)
#include <reent.h> // required for _write_r
#include "SEGGER_RTT.h"
/*********************************************************************
*
* Types
*
**********************************************************************
*/
//
// If necessary define the _reent struct
// to match the one passed by the used standard library.
//
struct _reent;
/*********************************************************************
*
* Function prototypes
*
**********************************************************************
*/
int _write(int file, char *ptr, int len);
int _write_r(struct _reent *r, int file, const void *ptr, int len);
/*********************************************************************
*
* Global functions
*
**********************************************************************
*/
/*********************************************************************
*
* _write()
*
* Function description
* Low-level write function.
* libc subroutines will use this system routine for output to all files,
* including stdout.
* Write data via RTT.
*/
int _write(int file, char *ptr, int len) {
(void) file; /* Not used, avoid warning */
SEGGER_RTT_Write(0, ptr, len);
return len;
}
/*********************************************************************
*
* _write_r()
*
* Function description
* Low-level reentrant write function.
* libc subroutines will use this system routine for output to all files,
* including stdout.
* Write data via RTT.
*/
int _write_r(struct _reent *r, int file, const void *ptr, int len) {
(void) file; /* Not used, avoid warning */
(void) r; /* Not used, avoid warning */
SEGGER_RTT_Write(0, ptr, len);
return len;
}
#endif
/****** End Of File *************************************************/

115
Firmware/Core/tinyusb/lib/SEGGER_RTT/Syscalls/SEGGER_RTT_Syscalls_IAR.c Normal file
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/*********************************************************************
* SEGGER Microcontroller GmbH *
* The Embedded Experts *
**********************************************************************
* *
* (c) 1995 - 2019 SEGGER Microcontroller GmbH *
* *
* www.segger.com Support: support@segger.com *
* *
**********************************************************************
* *
* SEGGER RTT * Real Time Transfer for embedded targets *
* *
**********************************************************************
* *
* All rights reserved. *
* *
* SEGGER strongly recommends to not make any changes *
* to or modify the source code of this software in order to stay *
* compatible with the RTT protocol and J-Link. *
* *
* Redistribution and use in source and binary forms, with or *
* without modification, are permitted provided that the following *
* condition is met: *
* *
* o Redistributions of source code must retain the above copyright *
* notice, this condition and the following disclaimer. *
* *
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND *
* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, *
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF *
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE *
* DISCLAIMED. IN NO EVENT SHALL SEGGER Microcontroller BE LIABLE FOR *
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR *
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT *
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; *
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF *
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT *
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE *
* USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH *
* DAMAGE. *
* *
**********************************************************************
---------------------------END-OF-HEADER------------------------------
File : SEGGER_RTT_Syscalls_IAR.c
Purpose : Low-level functions for using printf() via RTT in IAR.
To use RTT for printf output, include this file in your
application and set the Library Configuration to Normal.
Revision: $Rev: 17697 $
----------------------------------------------------------------------
*/
#ifdef __IAR_SYSTEMS_ICC__
//
// Since IAR EWARM V8 and EWRX V4, yfuns.h is considered as deprecated and LowLevelIOInterface.h
// shall be used instead. To not break any compatibility with older compiler versions, we have a
// version check in here.
//
#if ((defined __ICCARM__) && (__VER__ >= 8000000)) || ((defined __ICCRX__) && (__VER__ >= 400))
#include <LowLevelIOInterface.h>
#else
#include <yfuns.h>
#endif
#include "SEGGER_RTT.h"
#pragma module_name = "?__write"
/*********************************************************************
*
* Function prototypes
*
**********************************************************************
*/
size_t __write(int handle, const unsigned char * buffer, size_t size);
/*********************************************************************
*
* Global functions
*
**********************************************************************
*/
/*********************************************************************
*
* __write()
*
* Function description
* Low-level write function.
* Standard library subroutines will use this system routine
* for output to all files, including stdout.
* Write data via RTT.
*/
size_t __write(int handle, const unsigned char * buffer, size_t size) {
(void) handle; /* Not used, avoid warning */
SEGGER_RTT_Write(0, (const char*)buffer, size);
return size;
}
/*********************************************************************
*
* __write_buffered()
*
* Function description
* Low-level write function.
* Standard library subroutines will use this system routine
* for output to all files, including stdout.
* Write data via RTT.
*/
size_t __write_buffered(int handle, const unsigned char * buffer, size_t size) {
(void) handle; /* Not used, avoid warning */
SEGGER_RTT_Write(0, (const char*)buffer, size);
return size;
}
#endif
/****** End Of File *************************************************/

386
Firmware/Core/tinyusb/lib/SEGGER_RTT/Syscalls/SEGGER_RTT_Syscalls_KEIL.c Normal file
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@ -0,0 +1,386 @@
/*********************************************************************
* SEGGER Microcontroller GmbH *
* The Embedded Experts *
**********************************************************************
* *
* (c) 1995 - 2019 SEGGER Microcontroller GmbH *
* *
* www.segger.com Support: support@segger.com *
* *
**********************************************************************
* *
* SEGGER RTT * Real Time Transfer for embedded targets *
* *
**********************************************************************
* *
* All rights reserved. *
* *
* SEGGER strongly recommends to not make any changes *
* to or modify the source code of this software in order to stay *
* compatible with the RTT protocol and J-Link. *
* *
* Redistribution and use in source and binary forms, with or *
* without modification, are permitted provided that the following *
* condition is met: *
* *
* o Redistributions of source code must retain the above copyright *
* notice, this condition and the following disclaimer. *
* *
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND *
* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, *
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF *
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE *
* DISCLAIMED. IN NO EVENT SHALL SEGGER Microcontroller BE LIABLE FOR *
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR *
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT *
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; *
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF *
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT *
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE *
* USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH *
* DAMAGE. *
* *
**********************************************************************
---------------------------END-OF-HEADER------------------------------
File : RTT_Syscalls_KEIL.c
Purpose : Retargeting module for KEIL MDK-CM3.
Low-level functions for using printf() via RTT
Revision: $Rev: 17697 $
----------------------------------------------------------------------
*/
#ifdef __CC_ARM
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <rt_sys.h>
#include <rt_misc.h>
#include "SEGGER_RTT.h"
/*********************************************************************
*
* #pragmas
*
**********************************************************************
*/
#pragma import(__use_no_semihosting)
#ifdef _MICROLIB
#pragma import(__use_full_stdio)
#endif
/*********************************************************************
*
* Defines non-configurable
*
**********************************************************************
*/
/* Standard IO device handles - arbitrary, but any real file system handles must be
less than 0x8000. */
#define STDIN 0x8001 // Standard Input Stream
#define STDOUT 0x8002 // Standard Output Stream
#define STDERR 0x8003 // Standard Error Stream
/*********************************************************************
*
* Public const
*
**********************************************************************
*/
#if __ARMCC_VERSION < 5000000
//const char __stdin_name[] = "STDIN";
const char __stdout_name[] = "STDOUT";
const char __stderr_name[] = "STDERR";
#endif
/*********************************************************************
*
* Public code
*
**********************************************************************
*/
/*********************************************************************
*
* _ttywrch
*
* Function description:
* Outputs a character to the console
*
* Parameters:
* c - character to output
*
*/
void _ttywrch(int c) {
fputc(c, stdout); // stdout
fflush(stdout);
}
/*********************************************************************
*
* _sys_open
*
* Function description:
* Opens the device/file in order to do read/write operations
*
* Parameters:
* sName - sName of the device/file to open
* OpenMode - This parameter is currently ignored
*
* Return value:
* != 0 - Handle to the object to open, otherwise
* == 0 -"device" is not handled by this module
*
*/
FILEHANDLE _sys_open(const char * sName, int OpenMode) {
(void)OpenMode;
// Register standard Input Output devices.
if (strcmp(sName, __stdout_name) == 0) {
return (STDOUT);
} else if (strcmp(sName, __stderr_name) == 0) {
return (STDERR);
} else
return (0); // Not implemented
}
/*********************************************************************
*
* _sys_close
*
* Function description:
* Closes the handle to the open device/file
*
* Parameters:
* hFile - Handle to a file opened via _sys_open
*
* Return value:
* 0 - device/file closed
*
*/
int _sys_close(FILEHANDLE hFile) {
(void)hFile;
return 0; // Not implemented
}
/*********************************************************************
*
* _sys_write
*
* Function description:
* Writes the data to an open handle.
* Currently this function only outputs data to the console
*
* Parameters:
* hFile - Handle to a file opened via _sys_open
* pBuffer - Pointer to the data that shall be written
* NumBytes - Number of bytes to write
* Mode - The Mode that shall be used
*
* Return value:
* Number of bytes *not* written to the file/device
*
*/
int _sys_write(FILEHANDLE hFile, const unsigned char * pBuffer, unsigned NumBytes, int Mode) {
int r = 0;
(void)Mode;
if (hFile == STDOUT) {
SEGGER_RTT_Write(0, (const char*)pBuffer, NumBytes);
return 0;
}
return r;
}
/*********************************************************************
*
* _sys_read
*
* Function description:
* Reads data from an open handle.
* Currently this modules does nothing.
*
* Parameters:
* hFile - Handle to a file opened via _sys_open
* pBuffer - Pointer to buffer to store the read data
* NumBytes - Number of bytes to read
* Mode - The Mode that shall be used
*
* Return value:
* Number of bytes read from the file/device
*
*/
int _sys_read(FILEHANDLE hFile, unsigned char * pBuffer, unsigned NumBytes, int Mode) {
(void)hFile;
(void)pBuffer;
(void)NumBytes;
(void)Mode;
return (0); // Not implemented
}
/*********************************************************************
*
* _sys_istty
*
* Function description:
* This function shall return whether the opened file
* is a console device or not.
*
* Parameters:
* hFile - Handle to a file opened via _sys_open
*
* Return value:
* 1 - Device is a console
* 0 - Device is not a console
*
*/
int _sys_istty(FILEHANDLE hFile) {
if (hFile > 0x8000) {
return (1);
}
return (0); // Not implemented
}
/*********************************************************************
*
* _sys_seek
*
* Function description:
* Seeks via the file to a specific position
*
* Parameters:
* hFile - Handle to a file opened via _sys_open
* Pos -
*
* Return value:
* int -
*
*/
int _sys_seek(FILEHANDLE hFile, long Pos) {
(void)hFile;
(void)Pos;
return (0); // Not implemented
}
/*********************************************************************
*
* _sys_ensure
*
* Function description:
*
*
* Parameters:
* hFile - Handle to a file opened via _sys_open
*
* Return value:
* int -
*
*/
int _sys_ensure(FILEHANDLE hFile) {
(void)hFile;
return (-1); // Not implemented
}
/*********************************************************************
*
* _sys_flen
*
* Function description:
* Returns the length of the opened file handle
*
* Parameters:
* hFile - Handle to a file opened via _sys_open
*
* Return value:
* Length of the file
*
*/
long _sys_flen(FILEHANDLE hFile) {
(void)hFile;
return (0); // Not implemented
}
/*********************************************************************
*
* _sys_tmpnam
*
* Function description:
* This function converts the file number fileno for a temporary
* file to a unique filename, for example, tmp0001.
*
* Parameters:
* pBuffer - Pointer to a buffer to store the name
* FileNum - file number to convert
* MaxLen - Size of the buffer
*
* Return value:
* 1 - Error
* 0 - Success
*
*/
int _sys_tmpnam(char * pBuffer, int FileNum, unsigned MaxLen) {
(void)pBuffer;
(void)FileNum;
(void)MaxLen;
return (1); // Not implemented
}
/*********************************************************************
*
* _sys_command_string
*
* Function description:
* This function shall execute a system command.
*
* Parameters:
* cmd - Pointer to the command string
* len - Length of the string
*
* Return value:
* == NULL - Command was not successfully executed
* == sCmd - Command was passed successfully
*
*/
char * _sys_command_string(char * cmd, int len) {
(void)len;
return cmd; // Not implemented
}
/*********************************************************************
*
* _sys_exit
*
* Function description:
* This function is called when the application returns from main
*
* Parameters:
* ReturnCode - Return code from the main function
*
*
*/
void _sys_exit(int ReturnCode) {
(void)ReturnCode;
while (1); // Not implemented
}
#if __ARMCC_VERSION >= 5000000
/*********************************************************************
*
* stdout_putchar
*
* Function description:
* Put a character to the stdout
*
* Parameters:
* ch - Character to output
*
*
*/
int stdout_putchar(int ch) {
(void)ch;
return ch; // Not implemented
}
#endif
#endif
/*************************** End of file ****************************/

247
Firmware/Core/tinyusb/lib/SEGGER_RTT/Syscalls/SEGGER_RTT_Syscalls_SES.c Normal file
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/*********************************************************************
* SEGGER Microcontroller GmbH *
* The Embedded Experts *
**********************************************************************
* *
* (c) 1995 - 2019 SEGGER Microcontroller GmbH *
* *
* www.segger.com Support: support@segger.com *
* *
**********************************************************************
* *
* SEGGER RTT * Real Time Transfer for embedded targets *
* *
**********************************************************************
* *
* All rights reserved. *
* *
* SEGGER strongly recommends to not make any changes *
* to or modify the source code of this software in order to stay *
* compatible with the RTT protocol and J-Link. *
* *
* Redistribution and use in source and binary forms, with or *
* without modification, are permitted provided that the following *
* condition is met: *
* *
* o Redistributions of source code must retain the above copyright *
* notice, this condition and the following disclaimer. *
* *
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND *
* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, *
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF *
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE *
* DISCLAIMED. IN NO EVENT SHALL SEGGER Microcontroller BE LIABLE FOR *
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR *
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT *
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; *
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF *
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT *
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE *
* USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH *
* DAMAGE. *
* *
**********************************************************************
---------------------------END-OF-HEADER------------------------------
File : SEGGER_RTT_Syscalls_SES.c
Purpose : Reimplementation of printf, puts and __getchar using RTT
in SEGGER Embedded Studio.
To use RTT for printf output, include this file in your
application.
Revision: $Rev: 18539 $
----------------------------------------------------------------------
*/
#if (defined __SES_ARM) || (defined __SES_RISCV) || (defined __CROSSWORKS_ARM)
#include "SEGGER_RTT.h"
#include <stdarg.h>
#include <stdio.h>
#include "limits.h"
#include "__libc.h"
#include "__vfprintf.h"
/*********************************************************************
*
* Defines, configurable
*
**********************************************************************
*/
//
// Select string formatting implementation.
//
// RTT printf formatting
// - Configurable stack usage. (SEGGER_RTT_PRINTF_BUFFER_SIZE in SEGGER_RTT_Conf.h)
// - No maximum string length.
// - Limited conversion specifiers and flags. (See SEGGER_RTT_printf.c)
// Standard library printf formatting
// - Configurable formatting capabilities.
// - Full conversion specifier and flag support.
// - Maximum string length has to be known or (slightly) slower character-wise output.
//
// #define PRINTF_USE_SEGGER_RTT_FORMATTING 0 // Use standard library formatting
// #define PRINTF_USE_SEGGER_RTT_FORMATTING 1 // Use RTT formatting
//
#ifndef PRINTF_USE_SEGGER_RTT_FORMATTING
#define PRINTF_USE_SEGGER_RTT_FORMATTING 0
#endif
//
// If using standard library formatting,
// select maximum output string buffer size or character-wise output.
//
// #define PRINTF_BUFFER_SIZE 0 // Use character-wise output
// #define PRINTF_BUFFER_SIZE 128 // Default maximum string length
//
#ifndef PRINTF_BUFFER_SIZE
#define PRINTF_BUFFER_SIZE 128
#endif
#if PRINTF_USE_SEGGER_RTT_FORMATTING // Use SEGGER RTT formatting implementation
/*********************************************************************
*
* Function prototypes
*
**********************************************************************
*/
int SEGGER_RTT_vprintf(unsigned BufferIndex, const char * sFormat, va_list * pParamList);
/*********************************************************************
*
* Global functions, printf
*
**********************************************************************
*/
/*********************************************************************
*
* printf()
*
* Function description
* print a formatted string using RTT and SEGGER RTT formatting.
*/
int printf(const char *fmt,...) {
int n;
va_list args;
va_start (args, fmt);
n = SEGGER_RTT_vprintf(0, fmt, &args);
va_end(args);
return n;
}
#elif PRINTF_BUFFER_SIZE == 0 // Use standard library formatting with character-wise output
/*********************************************************************
*
* Static functions
*
**********************************************************************
*/
static int _putchar(int x, __printf_tag_ptr ctx) {
(void)ctx;
SEGGER_RTT_Write(0, (char *)&x, 1);
return x;
}
/*********************************************************************
*
* Global functions, printf
*
**********************************************************************
*/
/*********************************************************************
*
* printf()
*
* Function description
* print a formatted string character-wise, using RTT and standard
* library formatting.
*/
int printf(const char *fmt, ...) {
int n;
va_list args;
__printf_t iod;
va_start(args, fmt);
iod.string = 0;
iod.maxchars = INT_MAX;
iod.output_fn = _putchar;
SEGGER_RTT_LOCK();
n = __vfprintf(&iod, fmt, args);
SEGGER_RTT_UNLOCK();
va_end(args);
return n;
}
#else // Use standard library formatting with static buffer
/*********************************************************************
*
* Global functions, printf
*
**********************************************************************
*/
/*********************************************************************
*
* printf()
*
* Function description
* print a formatted string using RTT and standard library formatting.
*/
int printf(const char *fmt,...) {
int n;
char aBuffer[PRINTF_BUFFER_SIZE];
va_list args;
va_start (args, fmt);
n = vsnprintf(aBuffer, sizeof(aBuffer), fmt, args);
if (n > (int)sizeof(aBuffer)) {
SEGGER_RTT_Write(0, aBuffer, sizeof(aBuffer));
} else if (n > 0) {
SEGGER_RTT_Write(0, aBuffer, n);
}
va_end(args);
return n;
}
#endif
/*********************************************************************
*
* Global functions
*
**********************************************************************
*/
/*********************************************************************
*
* puts()
*
* Function description
* print a string using RTT.
*/
int puts(const char *s) {
return SEGGER_RTT_WriteString(0, s);
}
/*********************************************************************
*
* __putchar()
*
* Function description
* Write one character via RTT.
*/
int __putchar(int x, __printf_tag_ptr ctx) {
(void)ctx;
SEGGER_RTT_Write(0, (char *)&x, 1);
return x;
}
/*********************************************************************
*
* __getchar()
*
* Function description
* Wait for and get a character via RTT.
*/
int __getchar() {
return SEGGER_RTT_WaitKey();
}
#endif
/****** End Of File *************************************************/

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Firmware/Core/tinyusb/lib/embedded-cli/embedded_cli.h Normal file
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24
Firmware/Core/tinyusb/lib/fatfs/LICENSE.txt Normal file
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FatFs License
FatFs has being developped as a personal project of the author, ChaN. It is free from the code anyone else wrote at current release. Following code block shows a copy of the FatFs license document that heading the source files.
/*----------------------------------------------------------------------------/
/ FatFs - Generic FAT Filesystem Module Rx.xx /
/-----------------------------------------------------------------------------/
/
/ Copyright (C) 20xx, ChaN, all right reserved.
/
/ FatFs module is an open source software. Redistribution and use of FatFs in
/ source and binary forms, with or without modification, are permitted provided
/ that the following condition is met:
/
/ 1. Redistributions of source code must retain the above copyright notice,
/ this condition and the following disclaimer.
/
/ This software is provided by the copyright holder and contributors "AS IS"
/ and any warranties related to this software are DISCLAIMED.
/ The copyright owner or contributors be NOT LIABLE for any damages caused
/ by use of this software.
/----------------------------------------------------------------------------*/
Therefore FatFs license is one of the BSD-style licenses, but there is a significant feature. FatFs is mainly intended for embedded systems. In order to extend the usability for commercial products, the redistributions of FatFs in binary form, such as embedded code, binary library and any forms without source code, do not need to include about FatFs in the documentations. This is equivalent to the 1-clause BSD license. Of course FatFs is compatible with the most of open source software licenses include GNU GPL. When you redistribute the FatFs source code with changes or create a fork, the license can also be changed to GNU GPL, BSD-style license or any open source software license that not conflict with FatFs license.

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----------------------------------------------------------------------------
Revision history of FatFs module
----------------------------------------------------------------------------
R0.00 (February 26, 2006)
Prototype.
R0.01 (April 29, 2006)
The first release.
R0.02 (June 01, 2006)
Added FAT12 support.
Removed unbuffered mode.
Fixed a problem on small (<32M) partition.
R0.02a (June 10, 2006)
Added a configuration option (_FS_MINIMUM).
R0.03 (September 22, 2006)
Added f_rename().
Changed option _FS_MINIMUM to _FS_MINIMIZE.
R0.03a (December 11, 2006)
Improved cluster scan algorithm to write files fast.
Fixed f_mkdir() creates incorrect directory on FAT32.
R0.04 (February 04, 2007)
Added f_mkfs().
Supported multiple drive system.
Changed some interfaces for multiple drive system.
Changed f_mountdrv() to f_mount().
R0.04a (April 01, 2007)
Supported multiple partitions on a physical drive.
Added a capability of extending file size to f_lseek().
Added minimization level 3.
Fixed an endian sensitive code in f_mkfs().
R0.04b (May 05, 2007)
Added a configuration option _USE_NTFLAG.
Added FSINFO support.
Fixed DBCS name can result FR_INVALID_NAME.
Fixed short seek (<= csize) collapses the file object.
R0.05 (August 25, 2007)
Changed arguments of f_read(), f_write() and f_mkfs().
Fixed f_mkfs() on FAT32 creates incorrect FSINFO.
Fixed f_mkdir() on FAT32 creates incorrect directory.
R0.05a (February 03, 2008)
Added f_truncate() and f_utime().
Fixed off by one error at FAT sub-type determination.
Fixed btr in f_read() can be mistruncated.
Fixed cached sector is not flushed when create and close without write.
R0.06 (April 01, 2008)
Added fputc(), fputs(), fprintf() and fgets().
Improved performance of f_lseek() on moving to the same or following cluster.
R0.07 (April 01, 2009)
Merged Tiny-FatFs as a configuration option. (_FS_TINY)
Added long file name feature. (_USE_LFN)
Added multiple code page feature. (_CODE_PAGE)
Added re-entrancy for multitask operation. (_FS_REENTRANT)
Added auto cluster size selection to f_mkfs().
Added rewind option to f_readdir().
Changed result code of critical errors.
Renamed string functions to avoid name collision.
R0.07a (April 14, 2009)
Septemberarated out OS dependent code on reentrant cfg.
Added multiple sector size feature.
R0.07c (June 21, 2009)
Fixed f_unlink() can return FR_OK on error.
Fixed wrong cache control in f_lseek().
Added relative path feature.
Added f_chdir() and f_chdrive().
Added proper case conversion to extended character.
R0.07e (November 03, 2009)
Septemberarated out configuration options from ff.h to ffconf.h.
Fixed f_unlink() fails to remove a sub-directory on _FS_RPATH.
Fixed name matching error on the 13 character boundary.
Added a configuration option, _LFN_UNICODE.
Changed f_readdir() to return the SFN with always upper case on non-LFN cfg.
R0.08 (May 15, 2010)
Added a memory configuration option. (_USE_LFN = 3)
Added file lock feature. (_FS_SHARE)
Added fast seek feature. (_USE_FASTSEEK)
Changed some types on the API, XCHAR->TCHAR.
Changed .fname in the FILINFO structure on Unicode cfg.
String functions support UTF-8 encoding files on Unicode cfg.
R0.08a (August 16, 2010)
Added f_getcwd(). (_FS_RPATH = 2)
Added sector erase feature. (_USE_ERASE)
Moved file lock semaphore table from fs object to the bss.
Fixed f_mkfs() creates wrong FAT32 volume.
R0.08b (January 15, 2011)
Fast seek feature is also applied to f_read() and f_write().
f_lseek() reports required table size on creating CLMP.
Extended format syntax of f_printf().
Ignores duplicated directory separators in given path name.
R0.09 (September 06, 2011)
f_mkfs() supports multiple partition to complete the multiple partition feature.
Added f_fdisk().
R0.09a (August 27, 2012)
Changed f_open() and f_opendir() reject null object pointer to avoid crash.
Changed option name _FS_SHARE to _FS_LOCK.
Fixed assertion failure due to OS/2 EA on FAT12/16 volume.
R0.09b (January 24, 2013)
Added f_setlabel() and f_getlabel().
R0.10 (October 02, 2013)
Added selection of character encoding on the file. (_STRF_ENCODE)
Added f_closedir().
Added forced full FAT scan for f_getfree(). (_FS_NOFSINFO)
Added forced mount feature with changes of f_mount().
Improved behavior of volume auto detection.
Improved write throughput of f_puts() and f_printf().
Changed argument of f_chdrive(), f_mkfs(), disk_read() and disk_write().
Fixed f_write() can be truncated when the file size is close to 4GB.
Fixed f_open(), f_mkdir() and f_setlabel() can return incorrect value on error.
R0.10a (January 15, 2014)
Added arbitrary strings as drive number in the path name. (_STR_VOLUME_ID)
Added a configuration option of minimum sector size. (_MIN_SS)
2nd argument of f_rename() can have a drive number and it will be ignored.
Fixed f_mount() with forced mount fails when drive number is >= 1. (appeared at R0.10)
Fixed f_close() invalidates the file object without volume lock.
Fixed f_closedir() returns but the volume lock is left acquired. (appeared at R0.10)
Fixed creation of an entry with LFN fails on too many SFN collisions. (appeared at R0.07)
R0.10b (May 19, 2014)
Fixed a hard error in the disk I/O layer can collapse the directory entry.
Fixed LFN entry is not deleted when delete/rename an object with lossy converted SFN. (appeared at R0.07)
R0.10c (November 09, 2014)
Added a configuration option for the platforms without RTC. (_FS_NORTC)
Changed option name _USE_ERASE to _USE_TRIM.
Fixed volume label created by Mac OS X cannot be retrieved with f_getlabel(). (appeared at R0.09b)
Fixed a potential problem of FAT access that can appear on disk error.
Fixed null pointer dereference on attempting to delete the root direcotry. (appeared at R0.08)
R0.11 (February 09, 2015)
Added f_findfirst(), f_findnext() and f_findclose(). (_USE_FIND)
Fixed f_unlink() does not remove cluster chain of the file. (appeared at R0.10c)
Fixed _FS_NORTC option does not work properly. (appeared at R0.10c)
R0.11a (September 05, 2015)
Fixed wrong media change can lead a deadlock at thread-safe configuration.
Added code page 771, 860, 861, 863, 864, 865 and 869. (_CODE_PAGE)
Removed some code pages actually not exist on the standard systems. (_CODE_PAGE)
Fixed errors in the case conversion teble of code page 437 and 850 (ff.c).
Fixed errors in the case conversion teble of Unicode (cc*.c).
R0.12 (April 12, 2016)
Added support for exFAT file system. (_FS_EXFAT)
Added f_expand(). (_USE_EXPAND)
Changed some members in FINFO structure and behavior of f_readdir().
Added an option _USE_CHMOD.
Removed an option _WORD_ACCESS.
Fixed errors in the case conversion table of Unicode (cc*.c).
R0.12a (July 10, 2016)
Added support for creating exFAT volume with some changes of f_mkfs().
Added a file open method FA_OPEN_APPEND. An f_lseek() following f_open() is no longer needed.
f_forward() is available regardless of _FS_TINY.
Fixed f_mkfs() creates wrong volume. (appeared at R0.12)
Fixed wrong memory read in create_name(). (appeared at R0.12)
Fixed compilation fails at some configurations, _USE_FASTSEEK and _USE_FORWARD.
R0.12b (September 04, 2016)
Made f_rename() be able to rename objects with the same name but case.
Fixed an error in the case conversion teble of code page 866. (ff.c)
Fixed writing data is truncated at the file offset 4GiB on the exFAT volume. (appeared at R0.12)
Fixed creating a file in the root directory of exFAT volume can fail. (appeared at R0.12)
Fixed f_mkfs() creating exFAT volume with too small cluster size can collapse unallocated memory. (appeared at R0.12)
Fixed wrong object name can be returned when read directory at Unicode cfg. (appeared at R0.12)
Fixed large file allocation/removing on the exFAT volume collapses allocation bitmap. (appeared at R0.12)
Fixed some internal errors in f_expand() and f_lseek(). (appeared at R0.12)
R0.12c (March 04, 2017)
Improved write throughput at the fragmented file on the exFAT volume.
Made memory usage for exFAT be able to be reduced as decreasing _MAX_LFN.
Fixed successive f_getfree() can return wrong count on the FAT12/16 volume. (appeared at R0.12)
Fixed configuration option _VOLUMES cannot be set 10. (appeared at R0.10c)
R0.13 (May 21, 2017)
Changed heading character of configuration keywords "_" to "FF_".
Removed ASCII-only configuration, FF_CODE_PAGE = 1. Use FF_CODE_PAGE = 437 instead.
Added f_setcp(), run-time code page configuration. (FF_CODE_PAGE = 0)
Improved cluster allocation time on stretch a deep buried cluster chain.
Improved processing time of f_mkdir() with large cluster size by using FF_USE_LFN = 3.
Improved NoFatChain flag of the fragmented file to be set after it is truncated and got contiguous.
Fixed archive attribute is left not set when a file on the exFAT volume is renamed. (appeared at R0.12)
Fixed exFAT FAT entry can be collapsed when write or lseek operation to the existing file is done. (appeared at R0.12c)
Fixed creating a file can fail when a new cluster allocation to the exFAT directory occures. (appeared at R0.12c)
R0.13a (October 14, 2017)
Added support for UTF-8 encoding on the API. (FF_LFN_UNICODE = 2)
Added options for file name output buffer. (FF_LFN_BUF, FF_SFN_BUF).
Added dynamic memory allocation option for working buffer of f_mkfs() and f_fdisk().
Fixed f_fdisk() and f_mkfs() create the partition table with wrong CHS parameters. (appeared at R0.09)
Fixed f_unlink() can cause lost clusters at fragmented file on the exFAT volume. (appeared at R0.12c)
Fixed f_setlabel() rejects some valid characters for exFAT volume. (appeared at R0.12)
R0.13b (April 07, 2018)
Added support for UTF-32 encoding on the API. (FF_LFN_UNICODE = 3)
Added support for Unix style volume ID. (FF_STR_VOLUME_ID = 2)
Fixed accesing any object on the exFAT root directory beyond the cluster boundary can fail. (appeared at R0.12c)
Fixed f_setlabel() does not reject some invalid characters. (appeared at R0.09b)
R0.13c (October 14, 2018)
Supported stdint.h for C99 and later. (integer.h was included in ff.h)
Fixed reading a directory gets infinite loop when the last directory entry is not empty. (appeared at R0.12)
Fixed creating a sub-directory in the fragmented sub-directory on the exFAT volume collapses FAT chain of the parent directory. (appeared at R0.12)
Fixed f_getcwd() cause output buffer overrun when the buffer has a valid drive number. (appeared at R0.13b)
R0.14 (October 14, 2019)
Added support for 64-bit LBA and GUID partition table (FF_LBA64 = 1)
Changed some API functions, f_mkfs() and f_fdisk().
Fixed f_open() function cannot find the file with file name in length of FF_MAX_LFN characters.
Fixed f_readdir() function cannot retrieve long file names in length of FF_MAX_LFN - 1 characters.
Fixed f_readdir() function returns file names with wrong case conversion. (appeared at R0.12)
Fixed f_mkfs() function can fail to create exFAT volume in the second partition. (appeared at R0.12)
R0.14a (December 5, 2020)
Limited number of recursive calls in f_findnext().
Fixed old floppy disks formatted with MS-DOS 2.x and 3.x cannot be mounted.
Fixed some compiler warnings.
R0.14b (April 17, 2021)
Made FatFs uses standard library <string.h> for copy, compare and search instead of built-in string functions.
Added support for long long integer and floating point to f_printf(). (FF_STRF_LLI and FF_STRF_FP)
Made path name parser ignore the terminating separator to allow "dir/".
Improved the compatibility in Unix style path name feature.
Fixed the file gets dead-locked when f_open() failed with some conditions. (appeared at R0.12a)
Fixed f_mkfs() can create wrong exFAT volume due to a timing dependent error. (appeared at R0.12)
Fixed code page 855 cannot be set by f_setcp().
Fixed some compiler warnings.
R0.15 (November 6, 2022)
Changed user provided synchronization functions in order to completely eliminate the platform dependency from FatFs code.
FF_SYNC_t is removed from the configuration options.
Fixed a potential error in f_mount when FF_FS_REENTRANT.
Fixed file lock control FF_FS_LOCK is not mutal excluded when FF_FS_REENTRANT && FF_VOLUMES > 1 is true.
Fixed f_mkfs() creates broken exFAT volume when the size of volume is >= 2^32 sectors.
Fixed string functions cannot write the unicode characters not in BMP when FF_LFN_UNICODE == 2 (UTF-8).
Fixed a compatibility issue in identification of GPT header.

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FatFs Module Source Files R0.15
FILES
00readme.txt This file.
00history.txt Revision history.
ff.c FatFs module.
ffconf.h Configuration file of FatFs module.
ff.h Common include file for FatFs and application module.
diskio.h Common include file for FatFs and disk I/O module.
diskio.c An example of glue function to attach existing disk I/O module to FatFs.
ffunicode.c Optional Unicode utility functions.
ffsystem.c An example of optional O/S related functions.
Low level disk I/O module is not included in this archive because the FatFs
module is only a generic file system layer and it does not depend on any specific
storage device. You need to provide a low level disk I/O module written to
control the storage device that attached to the target system.

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/*-----------------------------------------------------------------------*/
/* Low level disk I/O module SKELETON for FatFs (C)ChaN, 2019 */
/*-----------------------------------------------------------------------*/
/* If a working storage control module is available, it should be */
/* attached to the FatFs via a glue function rather than modifying it. */
/* This is an example of glue functions to attach various exsisting */
/* storage control modules to the FatFs module with a defined API. */
/*-----------------------------------------------------------------------*/
#include "ff.h" /* Obtains integer types */
#include "diskio.h" /* Declarations of disk functions */
/* Definitions of physical drive number for each drive */
#define DEV_RAM 0 /* Example: Map Ramdisk to physical drive 0 */
#define DEV_MMC 1 /* Example: Map MMC/SD card to physical drive 1 */
#define DEV_USB 2 /* Example: Map USB MSD to physical drive 2 */
/*-----------------------------------------------------------------------*/
/* Get Drive Status */
/*-----------------------------------------------------------------------*/
DSTATUS disk_status (
BYTE pdrv /* Physical drive nmuber to identify the drive */
)
{
DSTATUS stat;
int result;
switch (pdrv) {
case DEV_RAM :
result = RAM_disk_status();
// translate the reslut code here
return stat;
case DEV_MMC :
result = MMC_disk_status();
// translate the reslut code here
return stat;
case DEV_USB :
result = USB_disk_status();
// translate the reslut code here
return stat;
}
return STA_NOINIT;
}
/*-----------------------------------------------------------------------*/
/* Inidialize a Drive */
/*-----------------------------------------------------------------------*/
DSTATUS disk_initialize (
BYTE pdrv /* Physical drive nmuber to identify the drive */
)
{
DSTATUS stat;
int result;
switch (pdrv) {
case DEV_RAM :
result = RAM_disk_initialize();
// translate the reslut code here
return stat;
case DEV_MMC :
result = MMC_disk_initialize();
// translate the reslut code here
return stat;
case DEV_USB :
result = USB_disk_initialize();
// translate the reslut code here
return stat;
}
return STA_NOINIT;
}
/*-----------------------------------------------------------------------*/
/* Read Sector(s) */
/*-----------------------------------------------------------------------*/
DRESULT disk_read (
BYTE pdrv, /* Physical drive nmuber to identify the drive */
BYTE *buff, /* Data buffer to store read data */
LBA_t sector, /* Start sector in LBA */
UINT count /* Number of sectors to read */
)
{
DRESULT res;
int result;
switch (pdrv) {
case DEV_RAM :
// translate the arguments here
result = RAM_disk_read(buff, sector, count);
// translate the reslut code here
return res;
case DEV_MMC :
// translate the arguments here
result = MMC_disk_read(buff, sector, count);
// translate the reslut code here
return res;
case DEV_USB :
// translate the arguments here
result = USB_disk_read(buff, sector, count);
// translate the reslut code here
return res;
}
return RES_PARERR;
}
/*-----------------------------------------------------------------------*/
/* Write Sector(s) */
/*-----------------------------------------------------------------------*/
#if FF_FS_READONLY == 0
DRESULT disk_write (
BYTE pdrv, /* Physical drive nmuber to identify the drive */
const BYTE *buff, /* Data to be written */
LBA_t sector, /* Start sector in LBA */
UINT count /* Number of sectors to write */
)
{
DRESULT res;
int result;
switch (pdrv) {
case DEV_RAM :
// translate the arguments here
result = RAM_disk_write(buff, sector, count);
// translate the reslut code here
return res;
case DEV_MMC :
// translate the arguments here
result = MMC_disk_write(buff, sector, count);
// translate the reslut code here
return res;
case DEV_USB :
// translate the arguments here
result = USB_disk_write(buff, sector, count);
// translate the reslut code here
return res;
}
return RES_PARERR;
}
#endif
/*-----------------------------------------------------------------------*/
/* Miscellaneous Functions */
/*-----------------------------------------------------------------------*/
DRESULT disk_ioctl (
BYTE pdrv, /* Physical drive nmuber (0..) */
BYTE cmd, /* Control code */
void *buff /* Buffer to send/receive control data */
)
{
DRESULT res;
int result;
switch (pdrv) {
case DEV_RAM :
// Process of the command for the RAM drive
return res;
case DEV_MMC :
// Process of the command for the MMC/SD card
return res;
case DEV_USB :
// Process of the command the USB drive
return res;
}
return RES_PARERR;
}

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/*-----------------------------------------------------------------------/
/ Low level disk interface modlue include file (C)ChaN, 2019 /
/-----------------------------------------------------------------------*/
#ifndef _DISKIO_DEFINED
#define _DISKIO_DEFINED
#ifdef __cplusplus
extern "C" {
#endif
/* Status of Disk Functions */
typedef BYTE DSTATUS;
/* Results of Disk Functions */
typedef enum {
RES_OK = 0, /* 0: Successful */
RES_ERROR, /* 1: R/W Error */
RES_WRPRT, /* 2: Write Protected */
RES_NOTRDY, /* 3: Not Ready */
RES_PARERR /* 4: Invalid Parameter */
} DRESULT;
/*---------------------------------------*/
/* Prototypes for disk control functions */
DSTATUS disk_initialize (BYTE pdrv);
DSTATUS disk_status (BYTE pdrv);
DRESULT disk_read (BYTE pdrv, BYTE* buff, LBA_t sector, UINT count);
DRESULT disk_write (BYTE pdrv, const BYTE* buff, LBA_t sector, UINT count);
DRESULT disk_ioctl (BYTE pdrv, BYTE cmd, void* buff);
/* Disk Status Bits (DSTATUS) */
#define STA_NOINIT 0x01 /* Drive not initialized */
#define STA_NODISK 0x02 /* No medium in the drive */
#define STA_PROTECT 0x04 /* Write protected */
/* Command code for disk_ioctrl fucntion */
/* Generic command (Used by FatFs) */
#define CTRL_SYNC 0 /* Complete pending write process (needed at FF_FS_READONLY == 0) */
#define GET_SECTOR_COUNT 1 /* Get media size (needed at FF_USE_MKFS == 1) */
#define GET_SECTOR_SIZE 2 /* Get sector size (needed at FF_MAX_SS != FF_MIN_SS) */
#define GET_BLOCK_SIZE 3 /* Get erase block size (needed at FF_USE_MKFS == 1) */
#define CTRL_TRIM 4 /* Inform device that the data on the block of sectors is no longer used (needed at FF_USE_TRIM == 1) */
/* Generic command (Not used by FatFs) */
#define CTRL_POWER 5 /* Get/Set power status */
#define CTRL_LOCK 6 /* Lock/Unlock media removal */
#define CTRL_EJECT 7 /* Eject media */
#define CTRL_FORMAT 8 /* Create physical format on the media */
/* MMC/SDC specific ioctl command */
#define MMC_GET_TYPE 10 /* Get card type */
#define MMC_GET_CSD 11 /* Get CSD */
#define MMC_GET_CID 12 /* Get CID */
#define MMC_GET_OCR 13 /* Get OCR */
#define MMC_GET_SDSTAT 14 /* Get SD status */
#define ISDIO_READ 55 /* Read data form SD iSDIO register */
#define ISDIO_WRITE 56 /* Write data to SD iSDIO register */
#define ISDIO_MRITE 57 /* Masked write data to SD iSDIO register */
/* ATA/CF specific ioctl command */
#define ATA_GET_REV 20 /* Get F/W revision */
#define ATA_GET_MODEL 21 /* Get model name */
#define ATA_GET_SN 22 /* Get serial number */
#ifdef __cplusplus
}
#endif
#endif

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/*----------------------------------------------------------------------------/
/ FatFs - Generic FAT Filesystem module R0.15 /
/-----------------------------------------------------------------------------/
/
/ Copyright (C) 2022, ChaN, all right reserved.
/
/ FatFs module is an open source software. Redistribution and use of FatFs in
/ source and binary forms, with or without modification, are permitted provided
/ that the following condition is met:
/ 1. Redistributions of source code must retain the above copyright notice,
/ this condition and the following disclaimer.
/
/ This software is provided by the copyright holder and contributors "AS IS"
/ and any warranties related to this software are DISCLAIMED.
/ The copyright owner or contributors be NOT LIABLE for any damages caused
/ by use of this software.
/
/----------------------------------------------------------------------------*/
#ifndef FF_DEFINED
#define FF_DEFINED 80286 /* Revision ID */
#ifdef __cplusplus
extern "C" {
#endif
#include "ffconf.h" /* FatFs configuration options */
#if FF_DEFINED != FFCONF_DEF
#error Wrong configuration file (ffconf.h).
#endif
/* Integer types used for FatFs API */
#if defined(_WIN32) /* Windows VC++ (for development only) */
#define FF_INTDEF 2
#include <windows.h>
typedef unsigned __int64 QWORD;
#include <float.h>
#define isnan(v) _isnan(v)
#define isinf(v) (!_finite(v))
#elif (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) || defined(__cplusplus) /* C99 or later */
#define FF_INTDEF 2
#include <stdint.h>
typedef unsigned int UINT; /* int must be 16-bit or 32-bit */
typedef unsigned char BYTE; /* char must be 8-bit */
typedef uint16_t WORD; /* 16-bit unsigned integer */
typedef uint32_t DWORD; /* 32-bit unsigned integer */
typedef uint64_t QWORD; /* 64-bit unsigned integer */
typedef WORD WCHAR; /* UTF-16 character type */
#else /* Earlier than C99 */
#define FF_INTDEF 1
typedef unsigned int UINT; /* int must be 16-bit or 32-bit */
typedef unsigned char BYTE; /* char must be 8-bit */
typedef unsigned short WORD; /* 16-bit unsigned integer */
typedef unsigned long DWORD; /* 32-bit unsigned integer */
typedef WORD WCHAR; /* UTF-16 character type */
#endif
/* Type of file size and LBA variables */
#if FF_FS_EXFAT
#if FF_INTDEF != 2
#error exFAT feature wants C99 or later
#endif
typedef QWORD FSIZE_t;
#if FF_LBA64
typedef QWORD LBA_t;
#else
typedef DWORD LBA_t;
#endif
#else
#if FF_LBA64
#error exFAT needs to be enabled when enable 64-bit LBA
#endif
typedef DWORD FSIZE_t;
typedef DWORD LBA_t;
#endif
/* Type of path name strings on FatFs API (TCHAR) */
#if FF_USE_LFN && FF_LFN_UNICODE == 1 /* Unicode in UTF-16 encoding */
typedef WCHAR TCHAR;
#define _T(x) L ## x
#define _TEXT(x) L ## x
#elif FF_USE_LFN && FF_LFN_UNICODE == 2 /* Unicode in UTF-8 encoding */
typedef char TCHAR;
#define _T(x) u8 ## x
#define _TEXT(x) u8 ## x
#elif FF_USE_LFN && FF_LFN_UNICODE == 3 /* Unicode in UTF-32 encoding */
typedef DWORD TCHAR;
#define _T(x) U ## x
#define _TEXT(x) U ## x
#elif FF_USE_LFN && (FF_LFN_UNICODE < 0 || FF_LFN_UNICODE > 3)
#error Wrong FF_LFN_UNICODE setting
#else /* ANSI/OEM code in SBCS/DBCS */
typedef char TCHAR;
#define _T(x) x
#define _TEXT(x) x
#endif
/* Definitions of volume management */
#if FF_MULTI_PARTITION /* Multiple partition configuration */
typedef struct {
BYTE pd; /* Physical drive number */
BYTE pt; /* Partition: 0:Auto detect, 1-4:Forced partition) */
} PARTITION;
extern PARTITION VolToPart[]; /* Volume - Partition mapping table */
#endif
#if FF_STR_VOLUME_ID
#ifndef FF_VOLUME_STRS
extern const char* VolumeStr[FF_VOLUMES]; /* User defied volume ID */
#endif
#endif
/* Filesystem object structure (FATFS) */
typedef struct {
BYTE fs_type; /* Filesystem type (0:not mounted) */
BYTE pdrv; /* Volume hosting physical drive */
BYTE ldrv; /* Logical drive number (used only when FF_FS_REENTRANT) */
BYTE n_fats; /* Number of FATs (1 or 2) */
BYTE wflag; /* win[] status (b0:dirty) */
BYTE fsi_flag; /* FSINFO status (b7:disabled, b0:dirty) */
WORD id; /* Volume mount ID */
WORD n_rootdir; /* Number of root directory entries (FAT12/16) */
WORD csize; /* Cluster size [sectors] */
#if FF_MAX_SS != FF_MIN_SS
WORD ssize; /* Sector size (512, 1024, 2048 or 4096) */
#endif
#if FF_USE_LFN
WCHAR* lfnbuf; /* LFN working buffer */
#endif
#if FF_FS_EXFAT
BYTE* dirbuf; /* Directory entry block scratchpad buffer for exFAT */
#endif
#if !FF_FS_READONLY
DWORD last_clst; /* Last allocated cluster */
DWORD free_clst; /* Number of free clusters */
#endif
#if FF_FS_RPATH
DWORD cdir; /* Current directory start cluster (0:root) */
#if FF_FS_EXFAT
DWORD cdc_scl; /* Containing directory start cluster (invalid when cdir is 0) */
DWORD cdc_size; /* b31-b8:Size of containing directory, b7-b0: Chain status */
DWORD cdc_ofs; /* Offset in the containing directory (invalid when cdir is 0) */
#endif
#endif
DWORD n_fatent; /* Number of FAT entries (number of clusters + 2) */
DWORD fsize; /* Number of sectors per FAT */
LBA_t volbase; /* Volume base sector */
LBA_t fatbase; /* FAT base sector */
LBA_t dirbase; /* Root directory base sector (FAT12/16) or cluster (FAT32/exFAT) */
LBA_t database; /* Data base sector */
#if FF_FS_EXFAT
LBA_t bitbase; /* Allocation bitmap base sector */
#endif
LBA_t winsect; /* Current sector appearing in the win[] */
BYTE win[FF_MAX_SS]; /* Disk access window for Directory, FAT (and file data at tiny cfg) */
} FATFS;
/* Object ID and allocation information (FFOBJID) */
typedef struct {
FATFS* fs; /* Pointer to the hosting volume of this object */
WORD id; /* Hosting volume's mount ID */
BYTE attr; /* Object attribute */
BYTE stat; /* Object chain status (b1-0: =0:not contiguous, =2:contiguous, =3:fragmented in this session, b2:sub-directory stretched) */
DWORD sclust; /* Object data start cluster (0:no cluster or root directory) */
FSIZE_t objsize; /* Object size (valid when sclust != 0) */
#if FF_FS_EXFAT
DWORD n_cont; /* Size of first fragment - 1 (valid when stat == 3) */
DWORD n_frag; /* Size of last fragment needs to be written to FAT (valid when not zero) */
DWORD c_scl; /* Containing directory start cluster (valid when sclust != 0) */
DWORD c_size; /* b31-b8:Size of containing directory, b7-b0: Chain status (valid when c_scl != 0) */
DWORD c_ofs; /* Offset in the containing directory (valid when file object and sclust != 0) */
#endif
#if FF_FS_LOCK
UINT lockid; /* File lock ID origin from 1 (index of file semaphore table Files[]) */
#endif
} FFOBJID;
/* File object structure (FIL) */
typedef struct {
FFOBJID obj; /* Object identifier (must be the 1st member to detect invalid object pointer) */
BYTE flag; /* File status flags */
BYTE err; /* Abort flag (error code) */
FSIZE_t fptr; /* File read/write pointer (Zeroed on file open) */
DWORD clust; /* Current cluster of fpter (invalid when fptr is 0) */
LBA_t sect; /* Sector number appearing in buf[] (0:invalid) */
#if !FF_FS_READONLY
LBA_t dir_sect; /* Sector number containing the directory entry (not used at exFAT) */
BYTE* dir_ptr; /* Pointer to the directory entry in the win[] (not used at exFAT) */
#endif
#if FF_USE_FASTSEEK
DWORD* cltbl; /* Pointer to the cluster link map table (nulled on open, set by application) */
#endif
#if !FF_FS_TINY
BYTE buf[FF_MAX_SS]; /* File private data read/write window */
#endif
} FIL;
/* Directory object structure (DIR) */
typedef struct {
FFOBJID obj; /* Object identifier */
DWORD dptr; /* Current read/write offset */
DWORD clust; /* Current cluster */
LBA_t sect; /* Current sector (0:Read operation has terminated) */
BYTE* dir; /* Pointer to the directory item in the win[] */
BYTE fn[12]; /* SFN (in/out) {body[8],ext[3],status[1]} */
#if FF_USE_LFN
DWORD blk_ofs; /* Offset of current entry block being processed (0xFFFFFFFF:Invalid) */
#endif
#if FF_USE_FIND
const TCHAR* pat; /* Pointer to the name matching pattern */
#endif
} DIR;
/* File information structure (FILINFO) */
typedef struct {
FSIZE_t fsize; /* File size */
WORD fdate; /* Modified date */
WORD ftime; /* Modified time */
BYTE fattrib; /* File attribute */
#if FF_USE_LFN
TCHAR altname[FF_SFN_BUF + 1];/* Alternative file name */
TCHAR fname[FF_LFN_BUF + 1]; /* Primary file name */
#else
TCHAR fname[12 + 1]; /* File name */
#endif
} FILINFO;
/* Format parameter structure (MKFS_PARM) */
typedef struct {
BYTE fmt; /* Format option (FM_FAT, FM_FAT32, FM_EXFAT and FM_SFD) */
BYTE n_fat; /* Number of FATs */
UINT align; /* Data area alignment (sector) */
UINT n_root; /* Number of root directory entries */
DWORD au_size; /* Cluster size (byte) */
} MKFS_PARM;
/* File function return code (FRESULT) */
typedef enum {
FR_OK = 0, /* (0) Succeeded */
FR_DISK_ERR, /* (1) A hard error occurred in the low level disk I/O layer */
FR_INT_ERR, /* (2) Assertion failed */
FR_NOT_READY, /* (3) The physical drive cannot work */
FR_NO_FILE, /* (4) Could not find the file */
FR_NO_PATH, /* (5) Could not find the path */
FR_INVALID_NAME, /* (6) The path name format is invalid */
FR_DENIED, /* (7) Access denied due to prohibited access or directory full */
FR_EXIST, /* (8) Access denied due to prohibited access */
FR_INVALID_OBJECT, /* (9) The file/directory object is invalid */
FR_WRITE_PROTECTED, /* (10) The physical drive is write protected */
FR_INVALID_DRIVE, /* (11) The logical drive number is invalid */
FR_NOT_ENABLED, /* (12) The volume has no work area */
FR_NO_FILESYSTEM, /* (13) There is no valid FAT volume */
FR_MKFS_ABORTED, /* (14) The f_mkfs() aborted due to any problem */
FR_TIMEOUT, /* (15) Could not get a grant to access the volume within defined period */
FR_LOCKED, /* (16) The operation is rejected according to the file sharing policy */
FR_NOT_ENOUGH_CORE, /* (17) LFN working buffer could not be allocated */
FR_TOO_MANY_OPEN_FILES, /* (18) Number of open files > FF_FS_LOCK */
FR_INVALID_PARAMETER /* (19) Given parameter is invalid */
} FRESULT;
/*--------------------------------------------------------------*/
/* FatFs Module Application Interface */
/*--------------------------------------------------------------*/
FRESULT f_open (FIL* fp, const TCHAR* path, BYTE mode); /* Open or create a file */
FRESULT f_close (FIL* fp); /* Close an open file object */
FRESULT f_read (FIL* fp, void* buff, UINT btr, UINT* br); /* Read data from the file */
FRESULT f_write (FIL* fp, const void* buff, UINT btw, UINT* bw); /* Write data to the file */
FRESULT f_lseek (FIL* fp, FSIZE_t ofs); /* Move file pointer of the file object */
FRESULT f_truncate (FIL* fp); /* Truncate the file */
FRESULT f_sync (FIL* fp); /* Flush cached data of the writing file */
FRESULT f_opendir (DIR* dp, const TCHAR* path); /* Open a directory */
FRESULT f_closedir (DIR* dp); /* Close an open directory */
FRESULT f_readdir (DIR* dp, FILINFO* fno); /* Read a directory item */
FRESULT f_findfirst (DIR* dp, FILINFO* fno, const TCHAR* path, const TCHAR* pattern); /* Find first file */
FRESULT f_findnext (DIR* dp, FILINFO* fno); /* Find next file */
FRESULT f_mkdir (const TCHAR* path); /* Create a sub directory */
FRESULT f_unlink (const TCHAR* path); /* Delete an existing file or directory */
FRESULT f_rename (const TCHAR* path_old, const TCHAR* path_new); /* Rename/Move a file or directory */
FRESULT f_stat (const TCHAR* path, FILINFO* fno); /* Get file status */
FRESULT f_chmod (const TCHAR* path, BYTE attr, BYTE mask); /* Change attribute of a file/dir */
FRESULT f_utime (const TCHAR* path, const FILINFO* fno); /* Change timestamp of a file/dir */
FRESULT f_chdir (const TCHAR* path); /* Change current directory */
FRESULT f_chdrive (const TCHAR* path); /* Change current drive */
FRESULT f_getcwd (TCHAR* buff, UINT len); /* Get current directory */
FRESULT f_getfree (const TCHAR* path, DWORD* nclst, FATFS** fatfs); /* Get number of free clusters on the drive */
FRESULT f_getlabel (const TCHAR* path, TCHAR* label, DWORD* vsn); /* Get volume label */
FRESULT f_setlabel (const TCHAR* label); /* Set volume label */
FRESULT f_forward (FIL* fp, UINT(*func)(const BYTE*,UINT), UINT btf, UINT* bf); /* Forward data to the stream */
FRESULT f_expand (FIL* fp, FSIZE_t fsz, BYTE opt); /* Allocate a contiguous block to the file */
FRESULT f_mount (FATFS* fs, const TCHAR* path, BYTE opt); /* Mount/Unmount a logical drive */
FRESULT f_mkfs (const TCHAR* path, const MKFS_PARM* opt, void* work, UINT len); /* Create a FAT volume */
FRESULT f_fdisk (BYTE pdrv, const LBA_t ptbl[], void* work); /* Divide a physical drive into some partitions */
FRESULT f_setcp (WORD cp); /* Set current code page */
int f_putc (TCHAR c, FIL* fp); /* Put a character to the file */
int f_puts (const TCHAR* str, FIL* cp); /* Put a string to the file */
int f_printf (FIL* fp, const TCHAR* str, ...); /* Put a formatted string to the file */
TCHAR* f_gets (TCHAR* buff, int len, FIL* fp); /* Get a string from the file */
/* Some API fucntions are implemented as macro */
#define f_eof(fp) ((int)((fp)->fptr == (fp)->obj.objsize))
#define f_error(fp) ((fp)->err)
#define f_tell(fp) ((fp)->fptr)
#define f_size(fp) ((fp)->obj.objsize)
#define f_rewind(fp) f_lseek((fp), 0)
#define f_rewinddir(dp) f_readdir((dp), 0)
#define f_rmdir(path) f_unlink(path)
#define f_unmount(path) f_mount(0, path, 0)
/*--------------------------------------------------------------*/
/* Additional Functions */
/*--------------------------------------------------------------*/
/* RTC function (provided by user) */
#if !FF_FS_READONLY && !FF_FS_NORTC
DWORD get_fattime (void); /* Get current time */
#endif
/* LFN support functions (defined in ffunicode.c) */
#if FF_USE_LFN >= 1
WCHAR ff_oem2uni (WCHAR oem, WORD cp); /* OEM code to Unicode conversion */
WCHAR ff_uni2oem (DWORD uni, WORD cp); /* Unicode to OEM code conversion */
DWORD ff_wtoupper (DWORD uni); /* Unicode upper-case conversion */
#endif
/* O/S dependent functions (samples available in ffsystem.c) */
#if FF_USE_LFN == 3 /* Dynamic memory allocation */
void* ff_memalloc (UINT msize); /* Allocate memory block */
void ff_memfree (void* mblock); /* Free memory block */
#endif
#if FF_FS_REENTRANT /* Sync functions */
int ff_mutex_create (int vol); /* Create a sync object */
void ff_mutex_delete (int vol); /* Delete a sync object */
int ff_mutex_take (int vol); /* Lock sync object */
void ff_mutex_give (int vol); /* Unlock sync object */
#endif
/*--------------------------------------------------------------*/
/* Flags and Offset Address */
/*--------------------------------------------------------------*/
/* File access mode and open method flags (3rd argument of f_open) */
#define FA_READ 0x01
#define FA_WRITE 0x02
#define FA_OPEN_EXISTING 0x00
#define FA_CREATE_NEW 0x04
#define FA_CREATE_ALWAYS 0x08
#define FA_OPEN_ALWAYS 0x10
#define FA_OPEN_APPEND 0x30
/* Fast seek controls (2nd argument of f_lseek) */
#define CREATE_LINKMAP ((FSIZE_t)0 - 1)
/* Format options (2nd argument of f_mkfs) */
#define FM_FAT 0x01
#define FM_FAT32 0x02
#define FM_EXFAT 0x04
#define FM_ANY 0x07
#define FM_SFD 0x08
/* Filesystem type (FATFS.fs_type) */
#define FS_FAT12 1
#define FS_FAT16 2
#define FS_FAT32 3
#define FS_EXFAT 4
/* File attribute bits for directory entry (FILINFO.fattrib) */
#define AM_RDO 0x01 /* Read only */
#define AM_HID 0x02 /* Hidden */
#define AM_SYS 0x04 /* System */
#define AM_DIR 0x10 /* Directory */
#define AM_ARC 0x20 /* Archive */
#ifdef __cplusplus
}
#endif
#endif /* FF_DEFINED */

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/*---------------------------------------------------------------------------/
/ Configurations of FatFs Module
/---------------------------------------------------------------------------*/
#define FFCONF_DEF 80286 /* Revision ID */
/*---------------------------------------------------------------------------/
/ Function Configurations
/---------------------------------------------------------------------------*/
#define FF_FS_READONLY 0
/* This option switches read-only configuration. (0:Read/Write or 1:Read-only)
/ Read-only configuration removes writing API functions, f_write(), f_sync(),
/ f_unlink(), f_mkdir(), f_chmod(), f_rename(), f_truncate(), f_getfree()
/ and optional writing functions as well. */
#define FF_FS_MINIMIZE 0
/* This option defines minimization level to remove some basic API functions.
/
/ 0: Basic functions are fully enabled.
/ 1: f_stat(), f_getfree(), f_unlink(), f_mkdir(), f_truncate() and f_rename()
/ are removed.
/ 2: f_opendir(), f_readdir() and f_closedir() are removed in addition to 1.
/ 3: f_lseek() function is removed in addition to 2. */
#define FF_USE_FIND 0
/* This option switches filtered directory read functions, f_findfirst() and
/ f_findnext(). (0:Disable, 1:Enable 2:Enable with matching altname[] too) */
#define FF_USE_MKFS 0
/* This option switches f_mkfs() function. (0:Disable or 1:Enable) */
#define FF_USE_FASTSEEK 0
/* This option switches fast seek function. (0:Disable or 1:Enable) */
#define FF_USE_EXPAND 0
/* This option switches f_expand function. (0:Disable or 1:Enable) */
#define FF_USE_CHMOD 0
/* This option switches attribute manipulation functions, f_chmod() and f_utime().
/ (0:Disable or 1:Enable) Also FF_FS_READONLY needs to be 0 to enable this option. */
#define FF_USE_LABEL 0
/* This option switches volume label functions, f_getlabel() and f_setlabel().
/ (0:Disable or 1:Enable) */
#define FF_USE_FORWARD 0
/* This option switches f_forward() function. (0:Disable or 1:Enable) */
#define FF_USE_STRFUNC 0
#define FF_PRINT_LLI 1
#define FF_PRINT_FLOAT 1
#define FF_STRF_ENCODE 3
/* FF_USE_STRFUNC switches string functions, f_gets(), f_putc(), f_puts() and
/ f_printf().
/
/ 0: Disable. FF_PRINT_LLI, FF_PRINT_FLOAT and FF_STRF_ENCODE have no effect.
/ 1: Enable without LF-CRLF conversion.
/ 2: Enable with LF-CRLF conversion.
/
/ FF_PRINT_LLI = 1 makes f_printf() support long long argument and FF_PRINT_FLOAT = 1/2
/ makes f_printf() support floating point argument. These features want C99 or later.
/ When FF_LFN_UNICODE >= 1 with LFN enabled, string functions convert the character
/ encoding in it. FF_STRF_ENCODE selects assumption of character encoding ON THE FILE
/ to be read/written via those functions.
/
/ 0: ANSI/OEM in current CP
/ 1: Unicode in UTF-16LE
/ 2: Unicode in UTF-16BE
/ 3: Unicode in UTF-8
*/
/*---------------------------------------------------------------------------/
/ Locale and Namespace Configurations
/---------------------------------------------------------------------------*/
#define FF_CODE_PAGE 437
/* This option specifies the OEM code page to be used on the target system.
/ Incorrect code page setting can cause a file open failure.
/
/ 437 - U.S.
/ 720 - Arabic
/ 737 - Greek
/ 771 - KBL
/ 775 - Baltic
/ 850 - Latin 1
/ 852 - Latin 2
/ 855 - Cyrillic
/ 857 - Turkish
/ 860 - Portuguese
/ 861 - Icelandic
/ 862 - Hebrew
/ 863 - Canadian French
/ 864 - Arabic
/ 865 - Nordic
/ 866 - Russian
/ 869 - Greek 2
/ 932 - Japanese (DBCS)
/ 936 - Simplified Chinese (DBCS)
/ 949 - Korean (DBCS)
/ 950 - Traditional Chinese (DBCS)
/ 0 - Include all code pages above and configured by f_setcp()
*/
#define FF_USE_LFN 1
#define FF_MAX_LFN 255
/* The FF_USE_LFN switches the support for LFN (long file name).
/
/ 0: Disable LFN. FF_MAX_LFN has no effect.
/ 1: Enable LFN with static working buffer on the BSS. Always NOT thread-safe.
/ 2: Enable LFN with dynamic working buffer on the STACK.
/ 3: Enable LFN with dynamic working buffer on the HEAP.
/
/ To enable the LFN, ffunicode.c needs to be added to the project. The LFN function
/ requiers certain internal working buffer occupies (FF_MAX_LFN + 1) * 2 bytes and
/ additional (FF_MAX_LFN + 44) / 15 * 32 bytes when exFAT is enabled.
/ The FF_MAX_LFN defines size of the working buffer in UTF-16 code unit and it can
/ be in range of 12 to 255. It is recommended to be set it 255 to fully support LFN
/ specification.
/ When use stack for the working buffer, take care on stack overflow. When use heap
/ memory for the working buffer, memory management functions, ff_memalloc() and
/ ff_memfree() exemplified in ffsystem.c, need to be added to the project. */
#define FF_LFN_UNICODE 0
/* This option switches the character encoding on the API when LFN is enabled.
/
/ 0: ANSI/OEM in current CP (TCHAR = char)
/ 1: Unicode in UTF-16 (TCHAR = WCHAR)
/ 2: Unicode in UTF-8 (TCHAR = char)
/ 3: Unicode in UTF-32 (TCHAR = DWORD)
/
/ Also behavior of string I/O functions will be affected by this option.
/ When LFN is not enabled, this option has no effect. */
#define FF_LFN_BUF 255
#define FF_SFN_BUF 12
/* This set of options defines size of file name members in the FILINFO structure
/ which is used to read out directory items. These values should be suffcient for
/ the file names to read. The maximum possible length of the read file name depends
/ on character encoding. When LFN is not enabled, these options have no effect. */
#define FF_FS_RPATH 2
/* This option configures support for relative path.
/
/ 0: Disable relative path and remove related functions.
/ 1: Enable relative path. f_chdir() and f_chdrive() are available.
/ 2: f_getcwd() function is available in addition to 1.
*/
/*---------------------------------------------------------------------------/
/ Drive/Volume Configurations
/---------------------------------------------------------------------------*/
#define FF_VOLUMES 4
/* Number of volumes (logical drives) to be used. (1-10) */
#define FF_STR_VOLUME_ID 0
#define FF_VOLUME_STRS "RAM","NAND","CF","SD","SD2","USB","USB2","USB3"
/* FF_STR_VOLUME_ID switches support for volume ID in arbitrary strings.
/ When FF_STR_VOLUME_ID is set to 1 or 2, arbitrary strings can be used as drive
/ number in the path name. FF_VOLUME_STRS defines the volume ID strings for each
/ logical drives. Number of items must not be less than FF_VOLUMES. Valid
/ characters for the volume ID strings are A-Z, a-z and 0-9, however, they are
/ compared in case-insensitive. If FF_STR_VOLUME_ID >= 1 and FF_VOLUME_STRS is
/ not defined, a user defined volume string table is needed as:
/
/ const char* VolumeStr[FF_VOLUMES] = {"ram","flash","sd","usb",...
*/
#define FF_MULTI_PARTITION 0
/* This option switches support for multiple volumes on the physical drive.
/ By default (0), each logical drive number is bound to the same physical drive
/ number and only an FAT volume found on the physical drive will be mounted.
/ When this function is enabled (1), each logical drive number can be bound to
/ arbitrary physical drive and partition listed in the VolToPart[]. Also f_fdisk()
/ function will be available. */
#define FF_MIN_SS 512
#define FF_MAX_SS 512
/* This set of options configures the range of sector size to be supported. (512,
/ 1024, 2048 or 4096) Always set both 512 for most systems, generic memory card and
/ harddisk, but a larger value may be required for on-board flash memory and some
/ type of optical media. When FF_MAX_SS is larger than FF_MIN_SS, FatFs is configured
/ for variable sector size mode and disk_ioctl() function needs to implement
/ GET_SECTOR_SIZE command. */
#define FF_LBA64 0
/* This option switches support for 64-bit LBA. (0:Disable or 1:Enable)
/ To enable the 64-bit LBA, also exFAT needs to be enabled. (FF_FS_EXFAT == 1) */
#define FF_MIN_GPT 0x10000000
/* Minimum number of sectors to switch GPT as partitioning format in f_mkfs and
/ f_fdisk function. 0x100000000 max. This option has no effect when FF_LBA64 == 0. */
#define FF_USE_TRIM 0
/* This option switches support for ATA-TRIM. (0:Disable or 1:Enable)
/ To enable Trim function, also CTRL_TRIM command should be implemented to the
/ disk_ioctl() function. */
/*---------------------------------------------------------------------------/
/ System Configurations
/---------------------------------------------------------------------------*/
#define FF_FS_TINY 0
/* This option switches tiny buffer configuration. (0:Normal or 1:Tiny)
/ At the tiny configuration, size of file object (FIL) is shrinked FF_MAX_SS bytes.
/ Instead of private sector buffer eliminated from the file object, common sector
/ buffer in the filesystem object (FATFS) is used for the file data transfer. */
#define FF_FS_EXFAT 0
/* This option switches support for exFAT filesystem. (0:Disable or 1:Enable)
/ To enable exFAT, also LFN needs to be enabled. (FF_USE_LFN >= 1)
/ Note that enabling exFAT discards ANSI C (C89) compatibility. */
#define FF_FS_NORTC 1
#define FF_NORTC_MON 1
#define FF_NORTC_MDAY 1
#define FF_NORTC_YEAR 2022
/* The option FF_FS_NORTC switches timestamp feature. If the system does not have
/ an RTC or valid timestamp is not needed, set FF_FS_NORTC = 1 to disable the
/ timestamp feature. Every object modified by FatFs will have a fixed timestamp
/ defined by FF_NORTC_MON, FF_NORTC_MDAY and FF_NORTC_YEAR in local time.
/ To enable timestamp function (FF_FS_NORTC = 0), get_fattime() function need to be
/ added to the project to read current time form real-time clock. FF_NORTC_MON,
/ FF_NORTC_MDAY and FF_NORTC_YEAR have no effect.
/ These options have no effect in read-only configuration (FF_FS_READONLY = 1). */
#define FF_FS_NOFSINFO 0
/* If you need to know correct free space on the FAT32 volume, set bit 0 of this
/ option, and f_getfree() function at the first time after volume mount will force
/ a full FAT scan. Bit 1 controls the use of last allocated cluster number.
/
/ bit0=0: Use free cluster count in the FSINFO if available.
/ bit0=1: Do not trust free cluster count in the FSINFO.
/ bit1=0: Use last allocated cluster number in the FSINFO if available.
/ bit1=1: Do not trust last allocated cluster number in the FSINFO.
*/
#define FF_FS_LOCK 0
/* The option FF_FS_LOCK switches file lock function to control duplicated file open
/ and illegal operation to open objects. This option must be 0 when FF_FS_READONLY
/ is 1.
/
/ 0: Disable file lock function. To avoid volume corruption, application program
/ should avoid illegal open, remove and rename to the open objects.
/ >0: Enable file lock function. The value defines how many files/sub-directories
/ can be opened simultaneously under file lock control. Note that the file
/ lock control is independent of re-entrancy. */
#define FF_FS_REENTRANT 0
#define FF_FS_TIMEOUT 1000
/* The option FF_FS_REENTRANT switches the re-entrancy (thread safe) of the FatFs
/ module itself. Note that regardless of this option, file access to different
/ volume is always re-entrant and volume control functions, f_mount(), f_mkfs()
/ and f_fdisk() function, are always not re-entrant. Only file/directory access
/ to the same volume is under control of this featuer.
/
/ 0: Disable re-entrancy. FF_FS_TIMEOUT have no effect.
/ 1: Enable re-entrancy. Also user provided synchronization handlers,
/ ff_mutex_create(), ff_mutex_delete(), ff_mutex_take() and ff_mutex_give()
/ function, must be added to the project. Samples are available in ffsystem.c.
/
/ The FF_FS_TIMEOUT defines timeout period in unit of O/S time tick.
*/
/*--- End of configuration options ---*/

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/*------------------------------------------------------------------------*/
/* A Sample Code of User Provided OS Dependent Functions for FatFs */
/*------------------------------------------------------------------------*/
#include "ff.h"
#if FF_USE_LFN == 3 /* Use dynamic memory allocation */
/*------------------------------------------------------------------------*/
/* Allocate/Free a Memory Block */
/*------------------------------------------------------------------------*/
#include <stdlib.h> /* with POSIX API */
void* ff_memalloc ( /* Returns pointer to the allocated memory block (null if not enough core) */
UINT msize /* Number of bytes to allocate */
)
{
return malloc((size_t)msize); /* Allocate a new memory block */
}
void ff_memfree (
void* mblock /* Pointer to the memory block to free (no effect if null) */
)
{
free(mblock); /* Free the memory block */
}
#endif
#if FF_FS_REENTRANT /* Mutal exclusion */
/*------------------------------------------------------------------------*/
/* Definitions of Mutex */
/*------------------------------------------------------------------------*/
#define OS_TYPE 0 /* 0:Win32, 1:uITRON4.0, 2:uC/OS-II, 3:FreeRTOS, 4:CMSIS-RTOS */
#if OS_TYPE == 0 /* Win32 */
#include <windows.h>
static HANDLE Mutex[FF_VOLUMES + 1]; /* Table of mutex handle */
#elif OS_TYPE == 1 /* uITRON */
#include "itron.h"
#include "kernel.h"
static mtxid Mutex[FF_VOLUMES + 1]; /* Table of mutex ID */
#elif OS_TYPE == 2 /* uc/OS-II */
#include "includes.h"
static OS_EVENT *Mutex[FF_VOLUMES + 1]; /* Table of mutex pinter */
#elif OS_TYPE == 3 /* FreeRTOS */
#include "FreeRTOS.h"
#include "semphr.h"
static SemaphoreHandle_t Mutex[FF_VOLUMES + 1]; /* Table of mutex handle */
#elif OS_TYPE == 4 /* CMSIS-RTOS */
#include "cmsis_os.h"
static osMutexId Mutex[FF_VOLUMES + 1]; /* Table of mutex ID */
#endif
/*------------------------------------------------------------------------*/
/* Create a Mutex */
/*------------------------------------------------------------------------*/
/* This function is called in f_mount function to create a new mutex
/ or semaphore for the volume. When a 0 is returned, the f_mount function
/ fails with FR_INT_ERR.
*/
int ff_mutex_create ( /* Returns 1:Function succeeded or 0:Could not create the mutex */
int vol /* Mutex ID: Volume mutex (0 to FF_VOLUMES - 1) or system mutex (FF_VOLUMES) */
)
{
#if OS_TYPE == 0 /* Win32 */
Mutex[vol] = CreateMutex(NULL, FALSE, NULL);
return (int)(Mutex[vol] != INVALID_HANDLE_VALUE);
#elif OS_TYPE == 1 /* uITRON */
T_CMTX cmtx = {TA_TPRI,1};
Mutex[vol] = acre_mtx(&cmtx);
return (int)(Mutex[vol] > 0);
#elif OS_TYPE == 2 /* uC/OS-II */
OS_ERR err;
Mutex[vol] = OSMutexCreate(0, &err);
return (int)(err == OS_NO_ERR);
#elif OS_TYPE == 3 /* FreeRTOS */
Mutex[vol] = xSemaphoreCreateMutex();
return (int)(Mutex[vol] != NULL);
#elif OS_TYPE == 4 /* CMSIS-RTOS */
osMutexDef(cmsis_os_mutex);
Mutex[vol] = osMutexCreate(osMutex(cmsis_os_mutex));
return (int)(Mutex[vol] != NULL);
#endif
}
/*------------------------------------------------------------------------*/
/* Delete a Mutex */
/*------------------------------------------------------------------------*/
/* This function is called in f_mount function to delete a mutex or
/ semaphore of the volume created with ff_mutex_create function.
*/
void ff_mutex_delete ( /* Returns 1:Function succeeded or 0:Could not delete due to an error */
int vol /* Mutex ID: Volume mutex (0 to FF_VOLUMES - 1) or system mutex (FF_VOLUMES) */
)
{
#if OS_TYPE == 0 /* Win32 */
CloseHandle(Mutex[vol]);
#elif OS_TYPE == 1 /* uITRON */
del_mtx(Mutex[vol]);
#elif OS_TYPE == 2 /* uC/OS-II */
OS_ERR err;
OSMutexDel(Mutex[vol], OS_DEL_ALWAYS, &err);
#elif OS_TYPE == 3 /* FreeRTOS */
vSemaphoreDelete(Mutex[vol]);
#elif OS_TYPE == 4 /* CMSIS-RTOS */
osMutexDelete(Mutex[vol]);
#endif
}
/*------------------------------------------------------------------------*/
/* Request a Grant to Access the Volume */
/*------------------------------------------------------------------------*/
/* This function is called on enter file functions to lock the volume.
/ When a 0 is returned, the file function fails with FR_TIMEOUT.
*/
int ff_mutex_take ( /* Returns 1:Succeeded or 0:Timeout */
int vol /* Mutex ID: Volume mutex (0 to FF_VOLUMES - 1) or system mutex (FF_VOLUMES) */
)
{
#if OS_TYPE == 0 /* Win32 */
return (int)(WaitForSingleObject(Mutex[vol], FF_FS_TIMEOUT) == WAIT_OBJECT_0);
#elif OS_TYPE == 1 /* uITRON */
return (int)(tloc_mtx(Mutex[vol], FF_FS_TIMEOUT) == E_OK);
#elif OS_TYPE == 2 /* uC/OS-II */
OS_ERR err;
OSMutexPend(Mutex[vol], FF_FS_TIMEOUT, &err));
return (int)(err == OS_NO_ERR);
#elif OS_TYPE == 3 /* FreeRTOS */
return (int)(xSemaphoreTake(Mutex[vol], FF_FS_TIMEOUT) == pdTRUE);
#elif OS_TYPE == 4 /* CMSIS-RTOS */
return (int)(osMutexWait(Mutex[vol], FF_FS_TIMEOUT) == osOK);
#endif
}
/*------------------------------------------------------------------------*/
/* Release a Grant to Access the Volume */
/*------------------------------------------------------------------------*/
/* This function is called on leave file functions to unlock the volume.
*/
void ff_mutex_give (
int vol /* Mutex ID: Volume mutex (0 to FF_VOLUMES - 1) or system mutex (FF_VOLUMES) */
)
{
#if OS_TYPE == 0 /* Win32 */
ReleaseMutex(Mutex[vol]);
#elif OS_TYPE == 1 /* uITRON */
unl_mtx(Mutex[vol]);
#elif OS_TYPE == 2 /* uC/OS-II */
OSMutexPost(Mutex[vol]);
#elif OS_TYPE == 3 /* FreeRTOS */
xSemaphoreGive(Mutex[vol]);
#elif OS_TYPE == 4 /* CMSIS-RTOS */
osMutexRelease(Mutex[vol]);
#endif
}
#endif /* FF_FS_REENTRANT */

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/*
* The MIT License (MIT)
*
* Copyright (c) 2015 by Sergey Fetisov <fsenok@gmail.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include "dhserver.h"
/* DHCP message type */
#define DHCP_DISCOVER 1
#define DHCP_OFFER 2
#define DHCP_REQUEST 3
#define DHCP_DECLINE 4
#define DHCP_ACK 5
#define DHCP_NAK 6
#define DHCP_RELEASE 7
#define DHCP_INFORM 8
/* DHCP options */
enum DHCP_OPTIONS
{
DHCP_PAD = 0,
DHCP_SUBNETMASK = 1,
DHCP_ROUTER = 3,
DHCP_DNSSERVER = 6,
DHCP_HOSTNAME = 12,
DHCP_DNSDOMAIN = 15,
DHCP_MTU = 26,
DHCP_BROADCAST = 28,
DHCP_PERFORMROUTERDISC = 31,
DHCP_STATICROUTE = 33,
DHCP_NISDOMAIN = 40,
DHCP_NISSERVER = 41,
DHCP_NTPSERVER = 42,
DHCP_VENDOR = 43,
DHCP_IPADDRESS = 50,
DHCP_LEASETIME = 51,
DHCP_OPTIONSOVERLOADED = 52,
DHCP_MESSAGETYPE = 53,
DHCP_SERVERID = 54,
DHCP_PARAMETERREQUESTLIST = 55,
DHCP_MESSAGE = 56,
DHCP_MAXMESSAGESIZE = 57,
DHCP_RENEWALTIME = 58,
DHCP_REBINDTIME = 59,
DHCP_CLASSID = 60,
DHCP_CLIENTID = 61,
DHCP_USERCLASS = 77, /* RFC 3004 */
DHCP_FQDN = 81,
DHCP_DNSSEARCH = 119, /* RFC 3397 */
DHCP_CSR = 121, /* RFC 3442 */
DHCP_MSCSR = 249, /* MS code for RFC 3442 */
DHCP_END = 255
};
typedef struct
{
uint8_t dp_op; /* packet opcode type */
uint8_t dp_htype; /* hardware addr type */
uint8_t dp_hlen; /* hardware addr length */
uint8_t dp_hops; /* gateway hops */
uint32_t dp_xid; /* transaction ID */
uint16_t dp_secs; /* seconds since boot began */
uint16_t dp_flags;
uint8_t dp_ciaddr[4]; /* client IP address */
uint8_t dp_yiaddr[4]; /* 'your' IP address */
uint8_t dp_siaddr[4]; /* server IP address */
uint8_t dp_giaddr[4]; /* gateway IP address */
uint8_t dp_chaddr[16]; /* client hardware address */
uint8_t dp_legacy[192];
uint8_t dp_magic[4];
uint8_t dp_options[275]; /* options area */
} DHCP_TYPE;
DHCP_TYPE dhcp_data;
static struct udp_pcb *pcb = NULL;
static const dhcp_config_t *config = NULL;
char magic_cookie[] = {0x63,0x82,0x53,0x63};
static ip4_addr_t get_ip(const uint8_t *pnt)
{
ip4_addr_t result;
memcpy(&result, pnt, sizeof(result));
return result;
}
static void set_ip(uint8_t *pnt, ip4_addr_t value)
{
memcpy(pnt, &value.addr, sizeof(value.addr));
}
static dhcp_entry_t *entry_by_ip(ip4_addr_t ip)
{
int i;
for (i = 0; i < config->num_entry; i++)
if (config->entries[i].addr.addr == ip.addr)
return &config->entries[i];
return NULL;
}
static dhcp_entry_t *entry_by_mac(uint8_t *mac)
{
int i;
for (i = 0; i < config->num_entry; i++)
if (memcmp(config->entries[i].mac, mac, 6) == 0)
return &config->entries[i];
return NULL;
}
static __inline bool is_vacant(dhcp_entry_t *entry)
{
return memcmp("\0\0\0\0\0", entry->mac, 6) == 0;
}
static dhcp_entry_t *vacant_address(void)
{
int i;
for (i = 0; i < config->num_entry; i++)
if (is_vacant(config->entries + i))
return config->entries + i;
return NULL;
}
static __inline void free_entry(dhcp_entry_t *entry)
{
memset(entry->mac, 0, 6);
}
uint8_t *find_dhcp_option(uint8_t *attrs, int size, uint8_t attr)
{
int i = 0;
while ((i + 1) < size)
{
int next = i + attrs[i + 1] + 2;
if (next > size) return NULL;
if (attrs[i] == attr)
return attrs + i;
i = next;
}
return NULL;
}
int fill_options(void *dest,
uint8_t msg_type,
const char *domain,
ip4_addr_t dns,
int lease_time,
ip4_addr_t serverid,
ip4_addr_t router,
ip4_addr_t subnet)
{
uint8_t *ptr = (uint8_t *)dest;
/* ACK message type */
*ptr++ = 53;
*ptr++ = 1;
*ptr++ = msg_type;
/* dhcp server identifier */
*ptr++ = DHCP_SERVERID;
*ptr++ = 4;
set_ip(ptr, serverid);
ptr += 4;
/* lease time */
*ptr++ = DHCP_LEASETIME;
*ptr++ = 4;
*ptr++ = (lease_time >> 24) & 0xFF;
*ptr++ = (lease_time >> 16) & 0xFF;
*ptr++ = (lease_time >> 8) & 0xFF;
*ptr++ = (lease_time >> 0) & 0xFF;
/* subnet mask */
*ptr++ = DHCP_SUBNETMASK;
*ptr++ = 4;
set_ip(ptr, subnet);
ptr += 4;
/* router */
if (router.addr != 0)
{
*ptr++ = DHCP_ROUTER;
*ptr++ = 4;
set_ip(ptr, router);
ptr += 4;
}
/* domain name */
if (domain != NULL)
{
int len = strlen(domain);
*ptr++ = DHCP_DNSDOMAIN;
*ptr++ = len;
memcpy(ptr, domain, len);
ptr += len;
}
/* domain name server (DNS) */
if (dns.addr != 0)
{
*ptr++ = DHCP_DNSSERVER;
*ptr++ = 4;
set_ip(ptr, dns);
ptr += 4;
}
/* end */
*ptr++ = DHCP_END;
return ptr - (uint8_t *)dest;
}
static void udp_recv_proc(void *arg, struct udp_pcb *upcb, struct pbuf *p, const ip_addr_t *addr, u16_t port)
{
uint8_t *ptr;
dhcp_entry_t *entry;
struct pbuf *pp;
struct netif *netif = netif_get_by_index(p->if_idx);
(void)arg;
(void)addr;
unsigned n = p->len;
if (n > sizeof(dhcp_data)) n = sizeof(dhcp_data);
memcpy(&dhcp_data, p->payload, n);
ptr = find_dhcp_option(dhcp_data.dp_options, sizeof(dhcp_data.dp_options), DHCP_MESSAGETYPE);
if (ptr == NULL)
{
pbuf_free(p);
return;
}
switch (ptr[2])
{
case DHCP_DISCOVER:
entry = entry_by_mac(dhcp_data.dp_chaddr);
if (entry == NULL) entry = vacant_address();
if (entry == NULL) break;
dhcp_data.dp_op = 2; /* reply */
dhcp_data.dp_secs = 0;
dhcp_data.dp_flags = 0;
set_ip(dhcp_data.dp_yiaddr, entry->addr);
memcpy(dhcp_data.dp_magic, magic_cookie, 4);
memset(dhcp_data.dp_options, 0, sizeof(dhcp_data.dp_options));
fill_options(dhcp_data.dp_options,
DHCP_OFFER,
config->domain,
config->dns,
entry->lease,
*netif_ip4_addr(netif),
config->router,
*netif_ip4_netmask(netif));
pp = pbuf_alloc(PBUF_TRANSPORT, sizeof(dhcp_data), PBUF_POOL);
if (pp == NULL) break;
memcpy(pp->payload, &dhcp_data, sizeof(dhcp_data));
udp_sendto(upcb, pp, IP_ADDR_BROADCAST, port);
pbuf_free(pp);
break;
case DHCP_REQUEST:
/* 1. find requested ipaddr in option list */
ptr = find_dhcp_option(dhcp_data.dp_options, sizeof(dhcp_data.dp_options), DHCP_IPADDRESS);
if (ptr == NULL) break;
if (ptr[1] != 4) break;
ptr += 2;
/* 2. does hw-address registered? */
entry = entry_by_mac(dhcp_data.dp_chaddr);
if (entry != NULL) free_entry(entry);
/* 3. find requested ipaddr */
entry = entry_by_ip(get_ip(ptr));
if (entry == NULL) break;
if (!is_vacant(entry)) break;
/* 4. fill struct fields */
memcpy(dhcp_data.dp_yiaddr, ptr, 4);
dhcp_data.dp_op = 2; /* reply */
dhcp_data.dp_secs = 0;
dhcp_data.dp_flags = 0;
memcpy(dhcp_data.dp_magic, magic_cookie, 4);
/* 5. fill options */
memset(dhcp_data.dp_options, 0, sizeof(dhcp_data.dp_options));
fill_options(dhcp_data.dp_options,
DHCP_ACK,
config->domain,
config->dns,
entry->lease,
*netif_ip4_addr(netif),
config->router,
*netif_ip4_netmask(netif));
/* 6. send ACK */
pp = pbuf_alloc(PBUF_TRANSPORT, sizeof(dhcp_data), PBUF_POOL);
if (pp == NULL) break;
memcpy(entry->mac, dhcp_data.dp_chaddr, 6);
memcpy(pp->payload, &dhcp_data, sizeof(dhcp_data));
udp_sendto(upcb, pp, IP_ADDR_BROADCAST, port);
pbuf_free(pp);
break;
default:
break;
}
pbuf_free(p);
}
err_t dhserv_init(const dhcp_config_t *c)
{
err_t err;
udp_init();
dhserv_free();
pcb = udp_new();
if (pcb == NULL)
return ERR_MEM;
err = udp_bind(pcb, IP_ADDR_ANY, c->port);
if (err != ERR_OK)
{
dhserv_free();
return err;
}
udp_recv(pcb, udp_recv_proc, NULL);
config = c;
return ERR_OK;
}
void dhserv_free(void)
{
if (pcb == NULL) return;
udp_remove(pcb);
pcb = NULL;
}

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/*
* The MIT License (MIT)
*
* Copyright (c) 2015 by Sergey Fetisov <fsenok@gmail.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
/*
* version: 1.0 demo (7.02.2015)
* brief: tiny dhcp ipv4 server using lwip (pcb)
* ref: https://lists.gnu.org/archive/html/lwip-users/2012-12/msg00016.html
*/
#ifndef DHSERVER_H
#define DHSERVER_H
#include <stdint.h>
#include <stdbool.h>
#include <stdio.h>
#include <string.h>
#include "lwip/err.h"
#include "lwip/udp.h"
#include "netif/etharp.h"
typedef struct dhcp_entry
{
uint8_t mac[6];
ip4_addr_t addr;
uint32_t lease;
} dhcp_entry_t;
typedef struct dhcp_config
{
ip4_addr_t router;
uint16_t port;
ip4_addr_t dns;
const char *domain;
int num_entry;
dhcp_entry_t *entries;
} dhcp_config_t;
err_t dhserv_init(const dhcp_config_t *config);
void dhserv_free(void);
#endif /* DHSERVER_H */

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/*
* The MIT License (MIT)
*
* Copyright (c) 2015 by Sergey Fetisov <fsenok@gmail.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
/*
* version: 1.0 demo (7.02.2015)
* brief: tiny dns ipv4 server using lwip (pcb)
*/
#include "dnserver.h"
#define DNS_MAX_HOST_NAME_LEN 128
static struct udp_pcb *pcb = NULL;
dns_query_proc_t query_proc = NULL;
#pragma pack(push, 1)
typedef struct
{
#if BYTE_ORDER == LITTLE_ENDIAN
uint8_t rd: 1, /* Recursion Desired */
tc: 1, /* Truncation Flag */
aa: 1, /* Authoritative Answer Flag */
opcode: 4, /* Operation code */
qr: 1; /* Query/Response Flag */
uint8_t rcode: 4, /* Response Code */
z: 3, /* Zero */
ra: 1; /* Recursion Available */
#else
uint8_t qr: 1, /* Query/Response Flag */
opcode: 4, /* Operation code */
aa: 1, /* Authoritative Answer Flag */
tc: 1, /* Truncation Flag */
rd: 1; /* Recursion Desired */
uint8_t ra: 1, /* Recursion Available */
z: 3, /* Zero */
rcode: 4; /* Response Code */
#endif
} dns_header_flags_t;
typedef struct
{
uint16_t id;
dns_header_flags_t flags;
uint16_t n_record[4];
} dns_header_t;
typedef struct dns_answer
{
uint16_t name;
uint16_t type;
uint16_t Class;
uint32_t ttl;
uint16_t len;
uint32_t addr;
} dns_answer_t;
#pragma pack(pop)
typedef struct dns_query
{
char name[DNS_MAX_HOST_NAME_LEN];
uint16_t type;
uint16_t Class;
} dns_query_t;
static uint16_t get_uint16(const uint8_t *pnt)
{
uint16_t result;
memcpy(&result, pnt, sizeof(result));
return result;
}
static int parse_next_query(void *data, int size, dns_query_t *query)
{
int len;
int labels;
uint8_t *ptr;
len = 0;
labels = 0;
ptr = (uint8_t *)data;
while (true)
{
uint8_t lable_len;
if (size <= 0) return -1;
lable_len = *ptr++;
size--;
if (lable_len == 0) break;
if (labels > 0)
{
if (len == DNS_MAX_HOST_NAME_LEN) return -2;
query->name[len++] = '.';
}
if (lable_len > size) return -1;
if (len + lable_len >= DNS_MAX_HOST_NAME_LEN) return -2;
memcpy(&query->name[len], ptr, lable_len);
len += lable_len;
ptr += lable_len;
size -= lable_len;
labels++;
}
if (size < 4) return -1;
query->name[len] = 0;
query->type = get_uint16(ptr);
ptr += 2;
query->Class = get_uint16(ptr);
ptr += 2;
return ptr - (uint8_t *)data;
}
static void udp_recv_proc(void *arg, struct udp_pcb *upcb, struct pbuf *p, const ip_addr_t *addr, u16_t port)
{
int len;
dns_header_t *header;
static dns_query_t query;
struct pbuf *out;
ip4_addr_t host_addr;
dns_answer_t *answer;
(void)arg;
if (p->len <= sizeof(dns_header_t)) goto error;
header = (dns_header_t *)p->payload;
if (header->flags.qr != 0) goto error;
if (ntohs(header->n_record[0]) != 1) goto error;
len = parse_next_query(header + 1, p->len - sizeof(dns_header_t), &query);
if (len < 0) goto error;
if (!query_proc(query.name, &host_addr)) goto error;
len += sizeof(dns_header_t);
out = pbuf_alloc(PBUF_TRANSPORT, len + 16, PBUF_POOL);
if (out == NULL) goto error;
memcpy(out->payload, p->payload, len);
header = (dns_header_t *)out->payload;
header->flags.qr = 1;
header->n_record[1] = htons(1);
answer = (struct dns_answer *)((uint8_t *)out->payload + len);
answer->name = htons(0xC00C);
answer->type = htons(1);
answer->Class = htons(1);
answer->ttl = htonl(32);
answer->len = htons(4);
answer->addr = host_addr.addr;
udp_sendto(upcb, out, addr, port);
pbuf_free(out);
error:
pbuf_free(p);
}
err_t dnserv_init(const ip_addr_t *bind, uint16_t port, dns_query_proc_t qp)
{
err_t err;
udp_init();
dnserv_free();
pcb = udp_new();
if (pcb == NULL)
return ERR_MEM;
err = udp_bind(pcb, bind, port);
if (err != ERR_OK)
{
dnserv_free();
return err;
}
udp_recv(pcb, udp_recv_proc, NULL);
query_proc = qp;
return ERR_OK;
}
void dnserv_free()
{
if (pcb == NULL) return;
udp_remove(pcb);
pcb = NULL;
}

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/*
* The MIT License (MIT)
*
* Copyright (c) 2015 by Sergey Fetisov <fsenok@gmail.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
/*
* version: 1.0 demo (7.02.2015)
* brief: tiny dns ipv4 server using lwip (pcb)
*/
#ifndef DNSERVER
#define DNSERVER
#include <stdint.h>
#include <stdbool.h>
#include <stdio.h>
#include <string.h>
#include "lwip/def.h"
#include "lwip/err.h"
#include "lwip/udp.h"
#include "netif/etharp.h"
typedef bool (*dns_query_proc_t)(const char *name, ip4_addr_t *addr);
err_t dnserv_init(const ip_addr_t *bind, uint16_t port, dns_query_proc_t query_proc);
void dnserv_free(void);
#endif

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/* This file has been prepared for Doxygen automatic documentation generation.*/
/*! \file ndis.h ***************************************************************
*
* \brief
* This file contains the possible external configuration of the USB.
*
* \addtogroup usbstick
*
*
******************************************************************************/
/**
\ingroup usbstick
\defgroup RNDIS RNDIS Support
@{
*/
/*
* ndis.h
*
* Modified by Colin O'Flynn <coflynn@newae.com>
* ntddndis.h modified by Benedikt Spranger <b.spranger@pengutronix.de>
*
* Thanks to the cygwin development team,
* especially to Casper S. Hornstrup <chorns@users.sourceforge.net>
*
* THIS SOFTWARE IS NOT COPYRIGHTED
*
* This source code is offered for use in the public domain. You may
* use, modify or distribute it freely.
*
* This code is distributed in the hope that it will be useful but
* WITHOUT ANY WARRANTY. ALL WARRANTIES, EXPRESS OR IMPLIED ARE HEREBY
* DISCLAIMED. This includes but is not limited to warranties of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
*/
#ifndef _LINUX_NDIS_H
#define _LINUX_NDIS_H
#define NDIS_STATUS_MULTICAST_FULL 0xC0010009
#define NDIS_STATUS_MULTICAST_EXISTS 0xC001000A
#define NDIS_STATUS_MULTICAST_NOT_FOUND 0xC001000B
/* from drivers/net/sk98lin/h/skgepnmi.h */
#define OID_PNP_CAPABILITIES 0xFD010100
#define OID_PNP_SET_POWER 0xFD010101
#define OID_PNP_QUERY_POWER 0xFD010102
#define OID_PNP_ADD_WAKE_UP_PATTERN 0xFD010103
#define OID_PNP_REMOVE_WAKE_UP_PATTERN 0xFD010104
#define OID_PNP_ENABLE_WAKE_UP 0xFD010106
enum NDIS_DEVICE_POWER_STATE {
NdisDeviceStateUnspecified = 0,
NdisDeviceStateD0,
NdisDeviceStateD1,
NdisDeviceStateD2,
NdisDeviceStateD3,
NdisDeviceStateMaximum
};
struct NDIS_PM_WAKE_UP_CAPABILITIES {
enum NDIS_DEVICE_POWER_STATE MinMagicPacketWakeUp;
enum NDIS_DEVICE_POWER_STATE MinPatternWakeUp;
enum NDIS_DEVICE_POWER_STATE MinLinkChangeWakeUp;
};
/* NDIS_PNP_CAPABILITIES.Flags constants */
#define NDIS_DEVICE_WAKE_UP_ENABLE 0x00000001
#define NDIS_DEVICE_WAKE_ON_PATTERN_MATCH_ENABLE 0x00000002
#define NDIS_DEVICE_WAKE_ON_MAGIC_PACKET_ENABLE 0x00000004
/*
struct NDIS_PNP_CAPABILITIES {
__le32 Flags;
struct NDIS_PM_WAKE_UP_CAPABILITIES WakeUpCapabilities;
};
struct NDIS_PM_PACKET_PATTERN {
__le32 Priority;
__le32 Reserved;
__le32 MaskSize;
__le32 PatternOffset;
__le32 PatternSize;
__le32 PatternFlags;
};
*/
/* Required Object IDs (OIDs) */
#define OID_GEN_SUPPORTED_LIST 0x00010101
#define OID_GEN_HARDWARE_STATUS 0x00010102
#define OID_GEN_MEDIA_SUPPORTED 0x00010103
#define OID_GEN_MEDIA_IN_USE 0x00010104
#define OID_GEN_MAXIMUM_LOOKAHEAD 0x00010105
#define OID_GEN_MAXIMUM_FRAME_SIZE 0x00010106
#define OID_GEN_LINK_SPEED 0x00010107
#define OID_GEN_TRANSMIT_BUFFER_SPACE 0x00010108
#define OID_GEN_RECEIVE_BUFFER_SPACE 0x00010109
#define OID_GEN_TRANSMIT_BLOCK_SIZE 0x0001010A
#define OID_GEN_RECEIVE_BLOCK_SIZE 0x0001010B
#define OID_GEN_VENDOR_ID 0x0001010C
#define OID_GEN_VENDOR_DESCRIPTION 0x0001010D
#define OID_GEN_CURRENT_PACKET_FILTER 0x0001010E
#define OID_GEN_CURRENT_LOOKAHEAD 0x0001010F
#define OID_GEN_DRIVER_VERSION 0x00010110
#define OID_GEN_MAXIMUM_TOTAL_SIZE 0x00010111
#define OID_GEN_PROTOCOL_OPTIONS 0x00010112
#define OID_GEN_MAC_OPTIONS 0x00010113
#define OID_GEN_MEDIA_CONNECT_STATUS 0x00010114
#define OID_GEN_MAXIMUM_SEND_PACKETS 0x00010115
#define OID_GEN_VENDOR_DRIVER_VERSION 0x00010116
#define OID_GEN_SUPPORTED_GUIDS 0x00010117
#define OID_GEN_NETWORK_LAYER_ADDRESSES 0x00010118
#define OID_GEN_TRANSPORT_HEADER_OFFSET 0x00010119
#define OID_GEN_MACHINE_NAME 0x0001021A
#define OID_GEN_RNDIS_CONFIG_PARAMETER 0x0001021B
#define OID_GEN_VLAN_ID 0x0001021C
/* Optional OIDs */
#define OID_GEN_MEDIA_CAPABILITIES 0x00010201
#define OID_GEN_PHYSICAL_MEDIUM 0x00010202
/* Required statistics OIDs */
#define OID_GEN_XMIT_OK 0x00020101
#define OID_GEN_RCV_OK 0x00020102
#define OID_GEN_XMIT_ERROR 0x00020103
#define OID_GEN_RCV_ERROR 0x00020104
#define OID_GEN_RCV_NO_BUFFER 0x00020105
/* Optional statistics OIDs */
#define OID_GEN_DIRECTED_BYTES_XMIT 0x00020201
#define OID_GEN_DIRECTED_FRAMES_XMIT 0x00020202
#define OID_GEN_MULTICAST_BYTES_XMIT 0x00020203
#define OID_GEN_MULTICAST_FRAMES_XMIT 0x00020204
#define OID_GEN_BROADCAST_BYTES_XMIT 0x00020205
#define OID_GEN_BROADCAST_FRAMES_XMIT 0x00020206
#define OID_GEN_DIRECTED_BYTES_RCV 0x00020207
#define OID_GEN_DIRECTED_FRAMES_RCV 0x00020208
#define OID_GEN_MULTICAST_BYTES_RCV 0x00020209
#define OID_GEN_MULTICAST_FRAMES_RCV 0x0002020A
#define OID_GEN_BROADCAST_BYTES_RCV 0x0002020B
#define OID_GEN_BROADCAST_FRAMES_RCV 0x0002020C
#define OID_GEN_RCV_CRC_ERROR 0x0002020D
#define OID_GEN_TRANSMIT_QUEUE_LENGTH 0x0002020E
#define OID_GEN_GET_TIME_CAPS 0x0002020F
#define OID_GEN_GET_NETCARD_TIME 0x00020210
#define OID_GEN_NETCARD_LOAD 0x00020211
#define OID_GEN_DEVICE_PROFILE 0x00020212
#define OID_GEN_INIT_TIME_MS 0x00020213
#define OID_GEN_RESET_COUNTS 0x00020214
#define OID_GEN_MEDIA_SENSE_COUNTS 0x00020215
#define OID_GEN_FRIENDLY_NAME 0x00020216
#define OID_GEN_MINIPORT_INFO 0x00020217
#define OID_GEN_RESET_VERIFY_PARAMETERS 0x00020218
/* IEEE 802.3 (Ethernet) OIDs */
#define NDIS_802_3_MAC_OPTION_PRIORITY 0x00000001
#define OID_802_3_PERMANENT_ADDRESS 0x01010101
#define OID_802_3_CURRENT_ADDRESS 0x01010102
#define OID_802_3_MULTICAST_LIST 0x01010103
#define OID_802_3_MAXIMUM_LIST_SIZE 0x01010104
#define OID_802_3_MAC_OPTIONS 0x01010105
#define OID_802_3_RCV_ERROR_ALIGNMENT 0x01020101
#define OID_802_3_XMIT_ONE_COLLISION 0x01020102
#define OID_802_3_XMIT_MORE_COLLISIONS 0x01020103
#define OID_802_3_XMIT_DEFERRED 0x01020201
#define OID_802_3_XMIT_MAX_COLLISIONS 0x01020202
#define OID_802_3_RCV_OVERRUN 0x01020203
#define OID_802_3_XMIT_UNDERRUN 0x01020204
#define OID_802_3_XMIT_HEARTBEAT_FAILURE 0x01020205
#define OID_802_3_XMIT_TIMES_CRS_LOST 0x01020206
#define OID_802_3_XMIT_LATE_COLLISIONS 0x01020207
/* Wireless LAN OIDs */
/* Mandatory */
#define OID_802_11_BSSID 0x0D010101 /* Q S */
#define OID_802_11_SSID 0x0D010102 /* Q S */
#define OID_802_11_NETWORK_TYPE_IN_USE 0x0D010204 /* Q S */
#define OID_802_11_RSSI 0x0D010206 /* Q I */
#define OID_802_11_BSSID_LIST 0x0D010217 /* Q */
#define OID_802_11_BSSID_LIST_SCAN 0x0D01011A /* S */
#define OID_802_11_INFRASTRUCTURE_MODE 0x0D010108 /* Q S */
#define OID_802_11_SUPPORTED_RATES 0x0D01020E /* Q */
#define OID_802_11_CONFIGURATION 0x0D010211 /* Q S */
#define OID_802_11_ADD_WEP 0x0D010113 /* S */
#define OID_802_11_WEP_STATUS 0x0D01011B /* Q S */
#define OID_802_11_REMOVE_WEP 0x0D010114 /* S */
#define OID_802_11_DISASSOCIATE 0x0D010115 /* S */
#define OID_802_11_AUTHENTICATION_MODE 0x0D010118 /* Q S */
#define OID_802_11_RELOAD_DEFAULTS 0x0D01011C /* S */
/* OID_GEN_MINIPORT_INFO constants */
#define NDIS_MINIPORT_BUS_MASTER 0x00000001
#define NDIS_MINIPORT_WDM_DRIVER 0x00000002
#define NDIS_MINIPORT_SG_LIST 0x00000004
#define NDIS_MINIPORT_SUPPORTS_MEDIA_QUERY 0x00000008
#define NDIS_MINIPORT_INDICATES_PACKETS 0x00000010
#define NDIS_MINIPORT_IGNORE_PACKET_QUEUE 0x00000020
#define NDIS_MINIPORT_IGNORE_REQUEST_QUEUE 0x00000040
#define NDIS_MINIPORT_IGNORE_TOKEN_RING_ERRORS 0x00000080
#define NDIS_MINIPORT_INTERMEDIATE_DRIVER 0x00000100
#define NDIS_MINIPORT_IS_NDIS_5 0x00000200
#define NDIS_MINIPORT_IS_CO 0x00000400
#define NDIS_MINIPORT_DESERIALIZE 0x00000800
#define NDIS_MINIPORT_REQUIRES_MEDIA_POLLING 0x00001000
#define NDIS_MINIPORT_SUPPORTS_MEDIA_SENSE 0x00002000
#define NDIS_MINIPORT_NETBOOT_CARD 0x00004000
#define NDIS_MINIPORT_PM_SUPPORTED 0x00008000
#define NDIS_MINIPORT_SUPPORTS_MAC_ADDRESS_OVERWRITE 0x00010000
#define NDIS_MINIPORT_USES_SAFE_BUFFER_APIS 0x00020000
#define NDIS_MINIPORT_HIDDEN 0x00040000
#define NDIS_MINIPORT_SWENUM 0x00080000
#define NDIS_MINIPORT_SURPRISE_REMOVE_OK 0x00100000
#define NDIS_MINIPORT_NO_HALT_ON_SUSPEND 0x00200000
#define NDIS_MINIPORT_HARDWARE_DEVICE 0x00400000
#define NDIS_MINIPORT_SUPPORTS_CANCEL_SEND_PACKETS 0x00800000
#define NDIS_MINIPORT_64BITS_DMA 0x01000000
#define NDIS_MEDIUM_802_3 0x00000000
#define NDIS_MEDIUM_802_5 0x00000001
#define NDIS_MEDIUM_FDDI 0x00000002
#define NDIS_MEDIUM_WAN 0x00000003
#define NDIS_MEDIUM_LOCAL_TALK 0x00000004
#define NDIS_MEDIUM_DIX 0x00000005
#define NDIS_MEDIUM_ARCENT_RAW 0x00000006
#define NDIS_MEDIUM_ARCENT_878_2 0x00000007
#define NDIS_MEDIUM_ATM 0x00000008
#define NDIS_MEDIUM_WIRELESS_LAN 0x00000009
#define NDIS_MEDIUM_IRDA 0x0000000A
#define NDIS_MEDIUM_BPC 0x0000000B
#define NDIS_MEDIUM_CO_WAN 0x0000000C
#define NDIS_MEDIUM_1394 0x0000000D
#define NDIS_PACKET_TYPE_DIRECTED 0x00000001
#define NDIS_PACKET_TYPE_MULTICAST 0x00000002
#define NDIS_PACKET_TYPE_ALL_MULTICAST 0x00000004
#define NDIS_PACKET_TYPE_BROADCAST 0x00000008
#define NDIS_PACKET_TYPE_SOURCE_ROUTING 0x00000010
#define NDIS_PACKET_TYPE_PROMISCUOUS 0x00000020
#define NDIS_PACKET_TYPE_SMT 0x00000040
#define NDIS_PACKET_TYPE_ALL_LOCAL 0x00000080
#define NDIS_PACKET_TYPE_GROUP 0x00000100
#define NDIS_PACKET_TYPE_ALL_FUNCTIONAL 0x00000200
#define NDIS_PACKET_TYPE_FUNCTIONAL 0x00000400
#define NDIS_PACKET_TYPE_MAC_FRAME 0x00000800
#define NDIS_MEDIA_STATE_CONNECTED 0x00000000
#define NDIS_MEDIA_STATE_DISCONNECTED 0x00000001
#define NDIS_MAC_OPTION_COPY_LOOKAHEAD_DATA 0x00000001
#define NDIS_MAC_OPTION_RECEIVE_SERIALIZED 0x00000002
#define NDIS_MAC_OPTION_TRANSFERS_NOT_PEND 0x00000004
#define NDIS_MAC_OPTION_NO_LOOPBACK 0x00000008
#define NDIS_MAC_OPTION_FULL_DUPLEX 0x00000010
#define NDIS_MAC_OPTION_EOTX_INDICATION 0x00000020
#define NDIS_MAC_OPTION_8021P_PRIORITY 0x00000040
#define NDIS_MAC_OPTION_RESERVED 0x80000000
#endif /* _LINUX_NDIS_H */
/** @} */

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/**
* \file rndis_protocol.h
* RNDIS Defines
*
* \author
* Colin O'Flynn <coflynn@newae.com>
*
* \addtogroup usbstick
*/
/* Copyright (c) 2008 Colin O'Flynn
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
* Neither the name of the copyright holders nor the names of
contributors may be used to endorse or promote products derived
from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _RNDIS_H
#define _RNDIS_H
/**
\addtogroup RNDIS
@{
*/
#include <stdint.h>
#define RNDIS_MAJOR_VERSION 1
#define RNDIS_MINOR_VERSION 0
#define RNDIS_STATUS_SUCCESS 0X00000000
#define RNDIS_STATUS_FAILURE 0XC0000001
#define RNDIS_STATUS_INVALID_DATA 0XC0010015
#define RNDIS_STATUS_NOT_SUPPORTED 0XC00000BB
#define RNDIS_STATUS_MEDIA_CONNECT 0X4001000B
#define RNDIS_STATUS_MEDIA_DISCONNECT 0X4001000C
/* Message set for Connectionless (802.3) Devices */
#define REMOTE_NDIS_PACKET_MSG 0x00000001
#define REMOTE_NDIS_INITIALIZE_MSG 0X00000002
#define REMOTE_NDIS_HALT_MSG 0X00000003
#define REMOTE_NDIS_QUERY_MSG 0X00000004
#define REMOTE_NDIS_SET_MSG 0X00000005
#define REMOTE_NDIS_RESET_MSG 0X00000006
#define REMOTE_NDIS_INDICATE_STATUS_MSG 0X00000007
#define REMOTE_NDIS_KEEPALIVE_MSG 0X00000008
#define REMOTE_NDIS_INITIALIZE_CMPLT 0X80000002
#define REMOTE_NDIS_QUERY_CMPLT 0X80000004
#define REMOTE_NDIS_SET_CMPLT 0X80000005
#define REMOTE_NDIS_RESET_CMPLT 0X80000006
#define REMOTE_NDIS_KEEPALIVE_CMPLT 0X80000008
typedef uint32_t rndis_MessageType_t;
typedef uint32_t rndis_MessageLength_t;
typedef uint32_t rndis_RequestId_t;
typedef uint32_t rndis_MajorVersion_t;
typedef uint32_t rndis_MinorVersion_t;
typedef uint32_t rndis_MaxTransferSize_t;
typedef uint32_t rndis_Status_t;
/* Device Flags */
#define RNDIS_DF_CONNECTIONLESS 0x00000001
#define RNDIS_DF_CONNECTION_ORIENTED 0x00000002
typedef uint32_t rndis_DeviceFlags_t;
/* Mediums */
#define RNDIS_MEDIUM_802_3 0x00000000
typedef uint32_t rndis_Medium_t;
typedef uint32_t rndis_MaxPacketsPerTransfer_t;
typedef uint32_t rndis_PacketAlignmentFactor_t;
typedef uint32_t rndis_AfListOffset_t;
typedef uint32_t rndis_AfListSize_t;
/*** Remote NDIS Generic Message type ***/
typedef struct{
rndis_MessageType_t MessageType;
rndis_MessageLength_t MessageLength;
} rndis_generic_msg_t;
/*** Remote NDIS Initialize Message ***/
typedef struct{
rndis_MessageType_t MessageType;
rndis_MessageLength_t MessageLength;
rndis_RequestId_t RequestId;
rndis_MajorVersion_t MajorVersion;
rndis_MinorVersion_t MinorVersion;
rndis_MaxTransferSize_t MaxTransferSize;
} rndis_initialize_msg_t;
/* Response: */
typedef struct{
rndis_MessageType_t MessageType;
rndis_MessageLength_t MessageLength;
rndis_RequestId_t RequestId;
rndis_Status_t Status;
rndis_MajorVersion_t MajorVersion;
rndis_MinorVersion_t MinorVersion;
rndis_DeviceFlags_t DeviceFlags;
rndis_Medium_t Medium;
rndis_MaxPacketsPerTransfer_t MaxPacketsPerTransfer;
rndis_MaxTransferSize_t MaxTransferSize;
rndis_PacketAlignmentFactor_t PacketAlignmentFactor;
rndis_AfListOffset_t AfListOffset;
rndis_AfListSize_t AfListSize;
} rndis_initialize_cmplt_t;
/*** Remote NDIS Halt Message ***/
typedef struct{
rndis_MessageType_t MessageType;
rndis_MessageLength_t MessageLength;
rndis_RequestId_t RequestId;
} rndis_halt_msg_t;
typedef uint32_t rndis_Oid_t;
typedef uint32_t rndis_InformationBufferLength_t;
typedef uint32_t rndis_InformationBufferOffset_t;
typedef uint32_t rndis_DeviceVcHandle_t;
/*** Remote NDIS Query Message ***/
typedef struct{
rndis_MessageType_t MessageType;
rndis_MessageLength_t MessageLength;
rndis_RequestId_t RequestId;
rndis_Oid_t Oid;
rndis_InformationBufferLength_t InformationBufferLength;
rndis_InformationBufferOffset_t InformationBufferOffset;
rndis_DeviceVcHandle_t DeviceVcHandle;
} rndis_query_msg_t;
/* Response: */
typedef struct{
rndis_MessageType_t MessageType;
rndis_MessageLength_t MessageLength;
rndis_RequestId_t RequestId;
rndis_Status_t Status;
rndis_InformationBufferLength_t InformationBufferLength;
rndis_InformationBufferOffset_t InformationBufferOffset;
} rndis_query_cmplt_t;
/*** Remote NDIS Set Message ***/
typedef struct{
rndis_MessageType_t MessageType;
rndis_MessageLength_t MessageLength;
rndis_RequestId_t RequestId;
rndis_Oid_t Oid;
rndis_InformationBufferLength_t InformationBufferLength;
rndis_InformationBufferOffset_t InformationBufferOffset;
rndis_DeviceVcHandle_t DeviceVcHandle;
} rndis_set_msg_t;
/* Response */
typedef struct{
rndis_MessageType_t MessageType;
rndis_MessageLength_t MessageLength;
rndis_RequestId_t RequestId;
rndis_Status_t Status;
}rndis_set_cmplt_t;
/* Information buffer layout for OID_GEN_RNDIS_CONFIG_PARAMETER */
typedef uint32_t rndis_ParameterNameOffset_t;
typedef uint32_t rndis_ParameterNameLength_t;
typedef uint32_t rndis_ParameterType_t;
typedef uint32_t rndis_ParameterValueOffset_t;
typedef uint32_t rndis_ParameterValueLength_t;
#define PARAMETER_TYPE_STRING 2
#define PARAMETER_TYPE_NUMERICAL 0
typedef struct{
rndis_ParameterNameOffset_t ParameterNameOffset;
rndis_ParameterNameLength_t ParameterNameLength;
rndis_ParameterType_t ParameterType;
rndis_ParameterValueOffset_t ParameterValueOffset;
rndis_ParameterValueLength_t ParameterValueLength;
}rndis_config_parameter_t;
typedef uint32_t rndis_Reserved_t;
/*** Remote NDIS Soft Reset Message ***/
typedef struct{
rndis_MessageType_t MessageType;
rndis_MessageLength_t MessageLength;
rndis_Reserved_t Reserved;
} rndis_reset_msg_t;
typedef uint32_t rndis_AddressingReset_t;
/* Response: */
typedef struct{
rndis_MessageType_t MessageType;
rndis_MessageLength_t MessageLength;
rndis_Status_t Status;
rndis_AddressingReset_t AddressingReset;
} rndis_reset_cmplt_t;
/*** Remote NDIS Indicate Status Message ***/
typedef struct{
rndis_MessageType_t MessageType;
rndis_MessageLength_t MessageLength;
rndis_Status_t Status;
rndis_Status_t StatusBufferLength;
rndis_Status_t StatusBufferOffset;
} rndis_indicate_status_t;
typedef uint32_t rndis_DiagStatus_t;
typedef uint32_t rndis_ErrorOffset_t;
typedef struct {
rndis_DiagStatus_t DiagStatus;
rndis_ErrorOffset_t ErrorOffset;
}rndis_diagnostic_info_t;
/*** Remote NDIS Keepalive Message */
typedef struct{
rndis_MessageType_t MessageType;
rndis_MessageLength_t MessageLength;
rndis_RequestId_t RequestId;
}rndis_keepalive_msg_t;
/* Response: */
typedef struct{
rndis_MessageType_t MessageType;
rndis_MessageLength_t MessageLength;
rndis_RequestId_t RequestId;
rndis_Status_t Status;
}rndis_keepalive_cmplt_t;
/*** Remote NDIS Data Packet ***/
typedef uint32_t rndis_DataOffset_t;
typedef uint32_t rndis_DataLength_t;
typedef uint32_t rndis_OOBDataOffset_t;
typedef uint32_t rndis_OOBDataLength_t;
typedef uint32_t rndis_NumOOBDataElements_t;
typedef uint32_t rndis_PerPacketInfoOffset_t;
typedef uint32_t rndis_PerPacketInfoLength_t;
typedef struct{
rndis_MessageType_t MessageType;
rndis_MessageLength_t MessageLength;
rndis_DataOffset_t DataOffset;
rndis_DataLength_t DataLength;
rndis_OOBDataOffset_t OOBDataOffset;
rndis_OOBDataLength_t OOBDataLength;
rndis_NumOOBDataElements_t NumOOBDataElements;
rndis_PerPacketInfoOffset_t PerPacketInfoOffset;
rndis_PerPacketInfoLength_t PerPacketInfoLength;
rndis_DeviceVcHandle_t DeviceVcHandle;
rndis_Reserved_t Reserved;
}rndis_data_packet_t;
typedef uint32_t rndis_ClassInformationOffset_t;
typedef uint32_t rndis_Size_t;
typedef uint32_t rndis_Type_t;
typedef struct{
rndis_Size_t Size;
rndis_Type_t Type;
rndis_ClassInformationOffset_t ClassInformationType;
}rndis_OOB_packet_t;
#include "ndis.h"
typedef enum rnids_state_e {
rndis_uninitialized,
rndis_initialized,
rndis_data_initialized
} rndis_state_t;
typedef struct {
uint32_t txok;
uint32_t rxok;
uint32_t txbad;
uint32_t rxbad;
} usb_eth_stat_t;
#endif /* _RNDIS_H */
/** @} */

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/*
The original version of this code was lrndis/usbd_rndis_core.c from https://github.com/fetisov/lrndis
It has since been overhauled to suit this application
*/
/*
* The MIT License (MIT)
*
* Copyright (c) 2015 by Sergey Fetisov <fsenok@gmail.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include <stdalign.h>
#include <string.h>
#include "class/net/net_device.h"
#include "rndis_protocol.h"
#include "netif/ethernet.h"
#define RNDIS_LINK_SPEED 12000000 /* Link baudrate (12Mbit/s for USB-FS) */
#define RNDIS_VENDOR "TinyUSB" /* NIC vendor name */
static const uint8_t *const station_hwaddr = tud_network_mac_address;
static const uint8_t *const permanent_hwaddr = tud_network_mac_address;
static usb_eth_stat_t usb_eth_stat = { 0, 0, 0, 0 };
static uint32_t oid_packet_filter = 0x0000000;
static rndis_state_t rndis_state;
CFG_TUSB_MEM_SECTION CFG_TUSB_MEM_ALIGN static uint8_t ndis_report[8] = { 0x01,0x00,0x00,0x00,0x00,0x00,0x00,0x00 };
static const uint32_t OIDSupportedList[] =
{
OID_GEN_SUPPORTED_LIST,
OID_GEN_HARDWARE_STATUS,
OID_GEN_MEDIA_SUPPORTED,
OID_GEN_MEDIA_IN_USE,
OID_GEN_MAXIMUM_FRAME_SIZE,
OID_GEN_LINK_SPEED,
OID_GEN_TRANSMIT_BLOCK_SIZE,
OID_GEN_RECEIVE_BLOCK_SIZE,
OID_GEN_VENDOR_ID,
OID_GEN_VENDOR_DESCRIPTION,
OID_GEN_VENDOR_DRIVER_VERSION,
OID_GEN_CURRENT_PACKET_FILTER,
OID_GEN_MAXIMUM_TOTAL_SIZE,
OID_GEN_PROTOCOL_OPTIONS,
OID_GEN_MAC_OPTIONS,
OID_GEN_MEDIA_CONNECT_STATUS,
OID_GEN_MAXIMUM_SEND_PACKETS,
OID_802_3_PERMANENT_ADDRESS,
OID_802_3_CURRENT_ADDRESS,
OID_802_3_MULTICAST_LIST,
OID_802_3_MAXIMUM_LIST_SIZE,
OID_802_3_MAC_OPTIONS
};
#define OID_LIST_LENGTH TU_ARRAY_SIZE(OIDSupportedList)
#define ENC_BUF_SIZE (OID_LIST_LENGTH * 4 + 32)
static void *encapsulated_buffer;
static void rndis_report(void)
{
netd_report(ndis_report, sizeof(ndis_report));
}
static void rndis_query_cmplt32(int status, uint32_t data)
{
rndis_query_cmplt_t *c;
c = (rndis_query_cmplt_t *)encapsulated_buffer;
c->MessageType = REMOTE_NDIS_QUERY_CMPLT;
c->MessageLength = sizeof(rndis_query_cmplt_t) + 4;
c->InformationBufferLength = 4;
c->InformationBufferOffset = 16;
c->Status = status;
memcpy(c + 1, &data, sizeof(data));
rndis_report();
}
static void rndis_query_cmplt(int status, const void *data, int size)
{
rndis_query_cmplt_t *c;
c = (rndis_query_cmplt_t *)encapsulated_buffer;
c->MessageType = REMOTE_NDIS_QUERY_CMPLT;
c->MessageLength = sizeof(rndis_query_cmplt_t) + size;
c->InformationBufferLength = size;
c->InformationBufferOffset = 16;
c->Status = status;
memcpy(c + 1, data, size);
rndis_report();
}
#define MAC_OPT NDIS_MAC_OPTION_COPY_LOOKAHEAD_DATA | \
NDIS_MAC_OPTION_RECEIVE_SERIALIZED | \
NDIS_MAC_OPTION_TRANSFERS_NOT_PEND | \
NDIS_MAC_OPTION_NO_LOOPBACK
static const char *rndis_vendor = RNDIS_VENDOR;
static void rndis_query(void)
{
switch (((rndis_query_msg_t *)encapsulated_buffer)->Oid)
{
case OID_GEN_SUPPORTED_LIST: rndis_query_cmplt(RNDIS_STATUS_SUCCESS, OIDSupportedList, 4 * OID_LIST_LENGTH); return;
case OID_GEN_VENDOR_DRIVER_VERSION: rndis_query_cmplt32(RNDIS_STATUS_SUCCESS, 0x00001000); return;
case OID_802_3_CURRENT_ADDRESS: rndis_query_cmplt(RNDIS_STATUS_SUCCESS, station_hwaddr, 6); return;
case OID_802_3_PERMANENT_ADDRESS: rndis_query_cmplt(RNDIS_STATUS_SUCCESS, permanent_hwaddr, 6); return;
case OID_GEN_MEDIA_SUPPORTED: rndis_query_cmplt32(RNDIS_STATUS_SUCCESS, NDIS_MEDIUM_802_3); return;
case OID_GEN_MEDIA_IN_USE: rndis_query_cmplt32(RNDIS_STATUS_SUCCESS, NDIS_MEDIUM_802_3); return;
case OID_GEN_PHYSICAL_MEDIUM: rndis_query_cmplt32(RNDIS_STATUS_SUCCESS, NDIS_MEDIUM_802_3); return;
case OID_GEN_HARDWARE_STATUS: rndis_query_cmplt32(RNDIS_STATUS_SUCCESS, 0); return;
case OID_GEN_LINK_SPEED: rndis_query_cmplt32(RNDIS_STATUS_SUCCESS, RNDIS_LINK_SPEED / 100); return;
case OID_GEN_VENDOR_ID: rndis_query_cmplt32(RNDIS_STATUS_SUCCESS, 0x00FFFFFF); return;
case OID_GEN_VENDOR_DESCRIPTION: rndis_query_cmplt(RNDIS_STATUS_SUCCESS, rndis_vendor, strlen(rndis_vendor) + 1); return;
case OID_GEN_CURRENT_PACKET_FILTER: rndis_query_cmplt32(RNDIS_STATUS_SUCCESS, oid_packet_filter); return;
case OID_GEN_MAXIMUM_FRAME_SIZE: rndis_query_cmplt32(RNDIS_STATUS_SUCCESS, CFG_TUD_NET_MTU - SIZEOF_ETH_HDR); return;
case OID_GEN_MAXIMUM_TOTAL_SIZE: rndis_query_cmplt32(RNDIS_STATUS_SUCCESS, CFG_TUD_NET_MTU); return;
case OID_GEN_TRANSMIT_BLOCK_SIZE: rndis_query_cmplt32(RNDIS_STATUS_SUCCESS, CFG_TUD_NET_MTU); return;
case OID_GEN_RECEIVE_BLOCK_SIZE: rndis_query_cmplt32(RNDIS_STATUS_SUCCESS, CFG_TUD_NET_MTU); return;
case OID_GEN_MEDIA_CONNECT_STATUS: rndis_query_cmplt32(RNDIS_STATUS_SUCCESS, NDIS_MEDIA_STATE_CONNECTED); return;
case OID_GEN_RNDIS_CONFIG_PARAMETER: rndis_query_cmplt32(RNDIS_STATUS_SUCCESS, 0); return;
case OID_802_3_MAXIMUM_LIST_SIZE: rndis_query_cmplt32(RNDIS_STATUS_SUCCESS, 1); return;
case OID_802_3_MULTICAST_LIST: rndis_query_cmplt32(RNDIS_STATUS_NOT_SUPPORTED, 0); return;
case OID_802_3_MAC_OPTIONS: rndis_query_cmplt32(RNDIS_STATUS_NOT_SUPPORTED, 0); return;
case OID_GEN_MAC_OPTIONS: rndis_query_cmplt32(RNDIS_STATUS_SUCCESS, /*MAC_OPT*/ 0); return;
case OID_802_3_RCV_ERROR_ALIGNMENT: rndis_query_cmplt32(RNDIS_STATUS_SUCCESS, 0); return;
case OID_802_3_XMIT_ONE_COLLISION: rndis_query_cmplt32(RNDIS_STATUS_SUCCESS, 0); return;
case OID_802_3_XMIT_MORE_COLLISIONS: rndis_query_cmplt32(RNDIS_STATUS_SUCCESS, 0); return;
case OID_GEN_XMIT_OK: rndis_query_cmplt32(RNDIS_STATUS_SUCCESS, usb_eth_stat.txok); return;
case OID_GEN_RCV_OK: rndis_query_cmplt32(RNDIS_STATUS_SUCCESS, usb_eth_stat.rxok); return;
case OID_GEN_RCV_ERROR: rndis_query_cmplt32(RNDIS_STATUS_SUCCESS, usb_eth_stat.rxbad); return;
case OID_GEN_XMIT_ERROR: rndis_query_cmplt32(RNDIS_STATUS_SUCCESS, usb_eth_stat.txbad); return;
case OID_GEN_RCV_NO_BUFFER: rndis_query_cmplt32(RNDIS_STATUS_SUCCESS, 0); return;
default: rndis_query_cmplt(RNDIS_STATUS_FAILURE, NULL, 0); return;
}
}
#define INFBUF ((uint8_t *)&(m->RequestId) + m->InformationBufferOffset)
static void rndis_handle_config_parm(const char *data, int keyoffset, int valoffset, int keylen, int vallen)
{
(void)data;
(void)keyoffset;
(void)valoffset;
(void)keylen;
(void)vallen;
}
static void rndis_packetFilter(uint32_t newfilter)
{
(void)newfilter;
}
static void rndis_handle_set_msg(void)
{
rndis_set_cmplt_t *c;
rndis_set_msg_t *m;
rndis_Oid_t oid;
c = (rndis_set_cmplt_t *)encapsulated_buffer;
m = (rndis_set_msg_t *)encapsulated_buffer;
oid = m->Oid;
c->MessageType = REMOTE_NDIS_SET_CMPLT;
c->MessageLength = sizeof(rndis_set_cmplt_t);
c->Status = RNDIS_STATUS_SUCCESS;
switch (oid)
{
/* Parameters set up in 'Advanced' tab */
case OID_GEN_RNDIS_CONFIG_PARAMETER:
{
rndis_config_parameter_t *p;
char *ptr = (char *)m;
ptr += sizeof(rndis_generic_msg_t);
ptr += m->InformationBufferOffset;
p = (rndis_config_parameter_t *) ((void*) ptr);
rndis_handle_config_parm(ptr, p->ParameterNameOffset, p->ParameterValueOffset, p->ParameterNameLength, p->ParameterValueLength);
}
break;
/* Mandatory general OIDs */
case OID_GEN_CURRENT_PACKET_FILTER:
memcpy(&oid_packet_filter, INFBUF, 4);
if (oid_packet_filter)
{
rndis_packetFilter(oid_packet_filter);
rndis_state = rndis_data_initialized;
}
else
{
rndis_state = rndis_initialized;
}
break;
case OID_GEN_CURRENT_LOOKAHEAD:
break;
case OID_GEN_PROTOCOL_OPTIONS:
break;
/* Mandatory 802_3 OIDs */
case OID_802_3_MULTICAST_LIST:
break;
/* Power Management: fails for now */
case OID_PNP_ADD_WAKE_UP_PATTERN:
case OID_PNP_REMOVE_WAKE_UP_PATTERN:
case OID_PNP_ENABLE_WAKE_UP:
default:
c->Status = RNDIS_STATUS_FAILURE;
break;
}
/* c->MessageID is same as before */
rndis_report();
return;
}
void rndis_class_set_handler(uint8_t *data, int size)
{
encapsulated_buffer = data;
(void)size;
switch (((rndis_generic_msg_t *)encapsulated_buffer)->MessageType)
{
case REMOTE_NDIS_INITIALIZE_MSG:
{
rndis_initialize_cmplt_t *m;
m = ((rndis_initialize_cmplt_t *)encapsulated_buffer);
/* m->MessageID is same as before */
m->MessageType = REMOTE_NDIS_INITIALIZE_CMPLT;
m->MessageLength = sizeof(rndis_initialize_cmplt_t);
m->MajorVersion = RNDIS_MAJOR_VERSION;
m->MinorVersion = RNDIS_MINOR_VERSION;
m->Status = RNDIS_STATUS_SUCCESS;
m->DeviceFlags = RNDIS_DF_CONNECTIONLESS;
m->Medium = RNDIS_MEDIUM_802_3;
m->MaxPacketsPerTransfer = 1;
m->MaxTransferSize = CFG_TUD_NET_MTU + sizeof(rndis_data_packet_t);
m->PacketAlignmentFactor = 0;
m->AfListOffset = 0;
m->AfListSize = 0;
rndis_state = rndis_initialized;
rndis_report();
}
break;
case REMOTE_NDIS_QUERY_MSG:
rndis_query();
break;
case REMOTE_NDIS_SET_MSG:
rndis_handle_set_msg();
break;
case REMOTE_NDIS_RESET_MSG:
{
rndis_reset_cmplt_t * m;
m = ((rndis_reset_cmplt_t *)encapsulated_buffer);
rndis_state = rndis_uninitialized;
m->MessageType = REMOTE_NDIS_RESET_CMPLT;
m->MessageLength = sizeof(rndis_reset_cmplt_t);
m->Status = RNDIS_STATUS_SUCCESS;
m->AddressingReset = 1; /* Make it look like we did something */
/* m->AddressingReset = 0; - Windows halts if set to 1 for some reason */
rndis_report();
}
break;
case REMOTE_NDIS_KEEPALIVE_MSG:
{
rndis_keepalive_cmplt_t * m;
m = (rndis_keepalive_cmplt_t *)encapsulated_buffer;
m->MessageType = REMOTE_NDIS_KEEPALIVE_CMPLT;
m->MessageLength = sizeof(rndis_keepalive_cmplt_t);
m->Status = RNDIS_STATUS_SUCCESS;
}
/* We have data to send back */
rndis_report();
break;
default:
break;
}
}