Camera_driver: refactored version of camera driver
This commit is contained in:
467
resources/FC_camera/Src/main.c
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467
resources/FC_camera/Src/main.c
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/* USER CODE BEGIN Header */
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/**
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******************************************************************************
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* @file : main.c
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* @brief : Main program body
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******************************************************************************
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* @attention
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*
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* Copyright (c) 2023 STMicroelectronics.
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* All rights reserved.
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*
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* This software is licensed under terms that can be found in the LICENSE file
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* in the root directory of this software component.
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* If no LICENSE file comes with this software, it is provided AS-IS.
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*
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******************************************************************************
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*/
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/* USER CODE END Header */
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/* Includes ------------------------------------------------------------------*/
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#include "main.h"
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/* Private includes ----------------------------------------------------------*/
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/* USER CODE BEGIN Includes */
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#include "SPI_camera.hpp"
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#include "OV2640.hpp"
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#include "OV2640_regs.hpp"
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#include "butcube_imager.hpp"
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/* USER CODE END Includes */
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/* Private typedef -----------------------------------------------------------*/
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/* USER CODE BEGIN PTD */
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/* USER CODE END PTD */
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/* Private define ------------------------------------------------------------*/
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/* USER CODE BEGIN PD */
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/* USER CODE END PD */
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/* Private macro -------------------------------------------------------------*/
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/* USER CODE BEGIN PM */
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/* USER CODE END PM */
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/* Private variables ---------------------------------------------------------*/
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I2C_HandleTypeDef hi2c1;
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SPI_HandleTypeDef hspi1;
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DMA_HandleTypeDef hdma_spi1_rx;
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DMA_HandleTypeDef hdma_spi1_tx;
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UART_HandleTypeDef huart1;
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/* USER CODE BEGIN PV */
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/* USER CODE END PV */
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/* Private function prototypes -----------------------------------------------*/
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void SystemClock_Config(void);
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static void MX_GPIO_Init(void);
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static void MX_DMA_Init(void);
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static void MX_I2C1_Init(void);
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static void MX_SPI1_Init(void);
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static void MX_USART1_UART_Init(void);
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/* USER CODE BEGIN PFP */
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/* USER CODE END PFP */
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/* Private user code ---------------------------------------------------------*/
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/* USER CODE BEGIN 0 */
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void Image_capture(){
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HAL_GPIO_TogglePin(LED1_GPIO_Port, LED1_Pin);
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ButCube_imager *transmitter = new ButCube_imager();
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transmitter->Camera_power(true);
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// Wait for power rail to stabilize
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HAL_Delay(1000);
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OV2640 *camera = new OV2640(hi2c1, 0x60, hspi1, SPI_camera::Chip_select_pin{GPIOB, GPIO_PIN_0}, huart1);
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//transmitter->Add_output(huart1);
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camera->Init(OV2640_320x240_JPEG);
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HAL_Delay(1000);
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camera->Capture();
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delete transmitter;
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delete camera;
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}
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/* USER CODE END 0 */
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/**
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* @brief The application entry point.
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* @retval int
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*/
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int main(void)
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{
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/* USER CODE BEGIN 1 */
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/* USER CODE END 1 */
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/* MCU Configuration--------------------------------------------------------*/
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/* Reset of all peripherals, Initializes the Flash interface and the Systick. */
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HAL_Init();
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/* USER CODE BEGIN Init */
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/* USER CODE END Init */
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/* Configure the system clock */
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SystemClock_Config();
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/* USER CODE BEGIN SysInit */
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/* USER CODE END SysInit */
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/* Initialize all configured peripherals */
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MX_GPIO_Init();
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MX_DMA_Init();
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MX_I2C1_Init();
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MX_SPI1_Init();
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MX_USART1_UART_Init();
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/* USER CODE BEGIN 2 */
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//char* msg = "MCU Init";
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//HAL_UART_Transmit(&huart1, (uint8_t *)msg, 8, HAL_MAX_DELAY);
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HAL_GPIO_WritePin(GPIOB, GPIO_PIN_0, GPIO_PIN_RESET);
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char spi_buff[64];
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HAL_SPI_Transmit(&hspi1, 0x00,1, HAL_MAX_DELAY);
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HAL_SPI_Receive(&hspi1, (uint8_t*)&spi_buff,1, HAL_MAX_DELAY);
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HAL_GPIO_WritePin(GPIOB, GPIO_PIN_0, GPIO_PIN_SET);
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HAL_GPIO_WritePin(LED2_GPIO_Port, LED2_Pin, GPIO_PIN_RESET);
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HAL_GPIO_WritePin(LED1_GPIO_Port, LED1_Pin, GPIO_PIN_SET);
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HAL_Delay(500);
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//char* msg = "MCU Init";
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//HAL_UART_Transmit(&huart1, (uint8_t *)msg, 8, HAL_MAX_DELAY);
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//HAL_Delay(2000);
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//camera->Capture();
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/* USER CODE END 2 */
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/* Infinite loop */
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/* USER CODE BEGIN WHILE */
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while (1)
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{
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/* USER CODE END WHILE */
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/* USER CODE BEGIN 3 */
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Image_capture();
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// Blue off, Red on
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//HAL_GPIO_WritePin(LED1_GPIO_Port, LED1_Pin, GPIO_PIN_RESET);
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//HAL_GPIO_WritePin(LED2_GPIO_Port, LED2_Pin, GPIO_PIN_SET);
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//HAL_Delay(5000);
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// Blue on, Red off
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//HAL_GPIO_WritePin(LED1_GPIO_Port, LED1_Pin, GPIO_PIN_SET);
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//HAL_GPIO_WritePin(LED2_GPIO_Port, LED2_Pin, GPIO_PIN_RESET);
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//transmitter->Transmit(camera->Image_data());
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//HAL_Delay(500);
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}
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/* USER CODE END 3 */
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}
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/**
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* @brief System Clock Configuration
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* @retval None
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*/
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void SystemClock_Config(void)
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{
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RCC_OscInitTypeDef RCC_OscInitStruct = {0};
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RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
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/** Configure the main internal regulator output voltage
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*/
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if (HAL_PWREx_ControlVoltageScaling(PWR_REGULATOR_VOLTAGE_SCALE1) != HAL_OK)
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{
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Error_Handler();
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}
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/** Initializes the RCC Oscillators according to the specified parameters
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* in the RCC_OscInitTypeDef structure.
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*/
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RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_MSI;
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RCC_OscInitStruct.MSIState = RCC_MSI_ON;
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RCC_OscInitStruct.MSICalibrationValue = 0;
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RCC_OscInitStruct.MSIClockRange = RCC_MSIRANGE_6;
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RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
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RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_MSI;
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RCC_OscInitStruct.PLL.PLLM = 1;
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RCC_OscInitStruct.PLL.PLLN = 40;
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RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV7;
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RCC_OscInitStruct.PLL.PLLQ = RCC_PLLQ_DIV2;
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RCC_OscInitStruct.PLL.PLLR = RCC_PLLR_DIV2;
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if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
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{
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Error_Handler();
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}
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/** Initializes the CPU, AHB and APB buses clocks
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*/
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RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
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|RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
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RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
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RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
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RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
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RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
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if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_4) != HAL_OK)
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{
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Error_Handler();
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}
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}
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/**
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* @brief I2C1 Initialization Function
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* @param None
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* @retval None
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*/
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static void MX_I2C1_Init(void)
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{
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/* USER CODE BEGIN I2C1_Init 0 */
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/* USER CODE END I2C1_Init 0 */
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/* USER CODE BEGIN I2C1_Init 1 */
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/* USER CODE END I2C1_Init 1 */
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hi2c1.Instance = I2C1;
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hi2c1.Init.Timing = 0x10909CEC;
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hi2c1.Init.OwnAddress1 = 0;
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hi2c1.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT;
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hi2c1.Init.DualAddressMode = I2C_DUALADDRESS_DISABLE;
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hi2c1.Init.OwnAddress2 = 0;
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hi2c1.Init.OwnAddress2Masks = I2C_OA2_NOMASK;
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hi2c1.Init.GeneralCallMode = I2C_GENERALCALL_DISABLE;
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hi2c1.Init.NoStretchMode = I2C_NOSTRETCH_DISABLE;
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if (HAL_I2C_Init(&hi2c1) != HAL_OK)
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{
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Error_Handler();
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}
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/** Configure Analogue filter
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*/
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if (HAL_I2CEx_ConfigAnalogFilter(&hi2c1, I2C_ANALOGFILTER_ENABLE) != HAL_OK)
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{
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Error_Handler();
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}
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/** Configure Digital filter
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*/
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if (HAL_I2CEx_ConfigDigitalFilter(&hi2c1, 0) != HAL_OK)
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{
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Error_Handler();
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}
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/* USER CODE BEGIN I2C1_Init 2 */
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/* USER CODE END I2C1_Init 2 */
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}
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/**
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* @brief SPI1 Initialization Function
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* @param None
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* @retval None
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*/
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static void MX_SPI1_Init(void)
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{
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/* USER CODE BEGIN SPI1_Init 0 */
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/* USER CODE END SPI1_Init 0 */
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/* USER CODE BEGIN SPI1_Init 1 */
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/* USER CODE END SPI1_Init 1 */
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/* SPI1 parameter configuration*/
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hspi1.Instance = SPI1;
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hspi1.Init.Mode = SPI_MODE_MASTER;
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hspi1.Init.Direction = SPI_DIRECTION_2LINES;
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hspi1.Init.DataSize = SPI_DATASIZE_8BIT;
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hspi1.Init.CLKPolarity = SPI_POLARITY_LOW;
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hspi1.Init.CLKPhase = SPI_PHASE_1EDGE;
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hspi1.Init.NSS = SPI_NSS_SOFT;
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hspi1.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_256;
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hspi1.Init.FirstBit = SPI_FIRSTBIT_MSB;
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hspi1.Init.TIMode = SPI_TIMODE_DISABLE;
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hspi1.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
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hspi1.Init.CRCPolynomial = 7;
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hspi1.Init.CRCLength = SPI_CRC_LENGTH_DATASIZE;
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hspi1.Init.NSSPMode = SPI_NSS_PULSE_ENABLE;
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if (HAL_SPI_Init(&hspi1) != HAL_OK)
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{
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Error_Handler();
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}
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/* USER CODE BEGIN SPI1_Init 2 */
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/* USER CODE END SPI1_Init 2 */
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}
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/**
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* @brief USART1 Initialization Function
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* @param None
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* @retval None
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*/
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static void MX_USART1_UART_Init(void)
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{
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/* USER CODE BEGIN USART1_Init 0 */
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/* USER CODE END USART1_Init 0 */
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/* USER CODE BEGIN USART1_Init 1 */
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/* USER CODE END USART1_Init 1 */
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huart1.Instance = USART1;
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huart1.Init.BaudRate = 115200;
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huart1.Init.WordLength = UART_WORDLENGTH_8B;
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huart1.Init.StopBits = UART_STOPBITS_1;
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huart1.Init.Parity = UART_PARITY_NONE;
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huart1.Init.Mode = UART_MODE_TX_RX;
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huart1.Init.HwFlowCtl = UART_HWCONTROL_NONE;
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huart1.Init.OverSampling = UART_OVERSAMPLING_16;
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huart1.Init.OneBitSampling = UART_ONE_BIT_SAMPLE_DISABLE;
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huart1.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_NO_INIT;
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if (HAL_UART_Init(&huart1) != HAL_OK)
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{
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Error_Handler();
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}
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/* USER CODE BEGIN USART1_Init 2 */
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/* USER CODE END USART1_Init 2 */
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}
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/**
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* Enable DMA controller clock
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*/
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static void MX_DMA_Init(void)
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{
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/* DMA controller clock enable */
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__HAL_RCC_DMA1_CLK_ENABLE();
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/* DMA interrupt init */
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/* DMA1_Channel2_IRQn interrupt configuration */
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HAL_NVIC_SetPriority(DMA1_Channel2_IRQn, 0, 0);
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HAL_NVIC_EnableIRQ(DMA1_Channel2_IRQn);
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/* DMA1_Channel3_IRQn interrupt configuration */
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HAL_NVIC_SetPriority(DMA1_Channel3_IRQn, 0, 0);
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HAL_NVIC_EnableIRQ(DMA1_Channel3_IRQn);
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}
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/**
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* @brief GPIO Initialization Function
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* @param None
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* @retval None
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*/
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static void MX_GPIO_Init(void)
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{
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GPIO_InitTypeDef GPIO_InitStruct = {0};
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/* GPIO Ports Clock Enable */
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__HAL_RCC_GPIOA_CLK_ENABLE();
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__HAL_RCC_GPIOB_CLK_ENABLE();
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__HAL_RCC_GPIOH_CLK_ENABLE();
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/*Configure GPIO pin Output Level */
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HAL_GPIO_WritePin(GPIOA, GPIO_PIN_0|GPIO_PIN_1|GPIO_PIN_2|GPIO_PIN_15, GPIO_PIN_SET);
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/*Configure GPIO pin Output Level */
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HAL_GPIO_WritePin(GPIOA, CAMERA_EN_Pin|LED2_Pin, GPIO_PIN_RESET);
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/*Configure GPIO pin Output Level */
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HAL_GPIO_WritePin(GPIOB, CAMERA_CS_Pin|LED1_Pin, GPIO_PIN_RESET);
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/*Configure GPIO pin Output Level */
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HAL_GPIO_WritePin(GPIOH, GPIO_PIN_3, GPIO_PIN_SET);
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/*Configure GPIO pins : PA0 PA1 PA2 PA15 */
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GPIO_InitStruct.Pin = GPIO_PIN_0|GPIO_PIN_1|GPIO_PIN_2|GPIO_PIN_15;
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GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
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GPIO_InitStruct.Pull = GPIO_NOPULL;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
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HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
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/*Configure GPIO pins : CAMERA_EN_Pin LED2_Pin */
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GPIO_InitStruct.Pin = CAMERA_EN_Pin|LED2_Pin;
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GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
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GPIO_InitStruct.Pull = GPIO_PULLUP;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
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HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
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/*Configure GPIO pin : CAMERA_CS_Pin */
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GPIO_InitStruct.Pin = CAMERA_CS_Pin;
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GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
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GPIO_InitStruct.Pull = GPIO_PULLUP;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
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HAL_GPIO_Init(CAMERA_CS_GPIO_Port, &GPIO_InitStruct);
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/*Configure GPIO pin : LED1_Pin */
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GPIO_InitStruct.Pin = LED1_Pin;
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GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
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GPIO_InitStruct.Pull = GPIO_PULLUP;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
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HAL_GPIO_Init(LED1_GPIO_Port, &GPIO_InitStruct);
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/*Configure GPIO pin : PH3 */
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GPIO_InitStruct.Pin = GPIO_PIN_3;
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GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
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GPIO_InitStruct.Pull = GPIO_NOPULL;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
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HAL_GPIO_Init(GPIOH, &GPIO_InitStruct);
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}
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/* USER CODE BEGIN 4 */
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||||
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/* USER CODE END 4 */
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/**
|
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* @brief This function is executed in case of error occurrence.
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||||
* @retval None
|
||||
*/
|
||||
void Error_Handler(void)
|
||||
{
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||||
/* USER CODE BEGIN Error_Handler_Debug */
|
||||
/* User can add his own implementation to report the HAL error return state */
|
||||
__disable_irq();
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while (1)
|
||||
{
|
||||
}
|
||||
/* USER CODE END Error_Handler_Debug */
|
||||
}
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||||
|
||||
#ifdef USE_FULL_ASSERT
|
||||
/**
|
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* @brief Reports the name of the source file and the source line number
|
||||
* where the assert_param error has occurred.
|
||||
* @param file: pointer to the source file name
|
||||
* @param line: assert_param error line source number
|
||||
* @retval None
|
||||
*/
|
||||
void assert_failed(uint8_t *file, uint32_t line)
|
||||
{
|
||||
/* USER CODE BEGIN 6 */
|
||||
/* User can add his own implementation to report the file name and line number,
|
||||
ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
|
||||
/* USER CODE END 6 */
|
||||
}
|
||||
#endif /* USE_FULL_ASSERT */
|
342
resources/FC_camera/Src/stm32l4xx_hal_msp.c
Normal file
342
resources/FC_camera/Src/stm32l4xx_hal_msp.c
Normal file
@ -0,0 +1,342 @@
|
||||
/* USER CODE BEGIN Header */
|
||||
/**
|
||||
******************************************************************************
|
||||
* @file stm32l4xx_hal_msp.c
|
||||
* @brief This file provides code for the MSP Initialization
|
||||
* and de-Initialization codes.
|
||||
******************************************************************************
|
||||
* @attention
|
||||
*
|
||||
* Copyright (c) 2023 STMicroelectronics.
|
||||
* All rights reserved.
|
||||
*
|
||||
* This software is licensed under terms that can be found in the LICENSE file
|
||||
* in the root directory of this software component.
|
||||
* If no LICENSE file comes with this software, it is provided AS-IS.
|
||||
*
|
||||
******************************************************************************
|
||||
*/
|
||||
/* USER CODE END Header */
|
||||
|
||||
/* Includes ------------------------------------------------------------------*/
|
||||
#include "main.h"
|
||||
/* USER CODE BEGIN Includes */
|
||||
|
||||
/* USER CODE END Includes */
|
||||
extern DMA_HandleTypeDef hdma_spi1_rx;
|
||||
|
||||
extern DMA_HandleTypeDef hdma_spi1_tx;
|
||||
|
||||
/* Private typedef -----------------------------------------------------------*/
|
||||
/* USER CODE BEGIN TD */
|
||||
|
||||
/* USER CODE END TD */
|
||||
|
||||
/* Private define ------------------------------------------------------------*/
|
||||
/* USER CODE BEGIN Define */
|
||||
|
||||
/* USER CODE END Define */
|
||||
|
||||
/* Private macro -------------------------------------------------------------*/
|
||||
/* USER CODE BEGIN Macro */
|
||||
|
||||
/* USER CODE END Macro */
|
||||
|
||||
/* Private variables ---------------------------------------------------------*/
|
||||
/* USER CODE BEGIN PV */
|
||||
|
||||
/* USER CODE END PV */
|
||||
|
||||
/* Private function prototypes -----------------------------------------------*/
|
||||
/* USER CODE BEGIN PFP */
|
||||
|
||||
/* USER CODE END PFP */
|
||||
|
||||
/* External functions --------------------------------------------------------*/
|
||||
/* USER CODE BEGIN ExternalFunctions */
|
||||
|
||||
/* USER CODE END ExternalFunctions */
|
||||
|
||||
/* USER CODE BEGIN 0 */
|
||||
|
||||
/* USER CODE END 0 */
|
||||
/**
|
||||
* Initializes the Global MSP.
|
||||
*/
|
||||
void HAL_MspInit(void)
|
||||
{
|
||||
/* USER CODE BEGIN MspInit 0 */
|
||||
|
||||
/* USER CODE END MspInit 0 */
|
||||
|
||||
__HAL_RCC_SYSCFG_CLK_ENABLE();
|
||||
__HAL_RCC_PWR_CLK_ENABLE();
|
||||
|
||||
/* System interrupt init*/
|
||||
|
||||
/* USER CODE BEGIN MspInit 1 */
|
||||
|
||||
/* USER CODE END MspInit 1 */
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief I2C MSP Initialization
|
||||
* This function configures the hardware resources used in this example
|
||||
* @param hi2c: I2C handle pointer
|
||||
* @retval None
|
||||
*/
|
||||
void HAL_I2C_MspInit(I2C_HandleTypeDef* hi2c)
|
||||
{
|
||||
GPIO_InitTypeDef GPIO_InitStruct = {0};
|
||||
RCC_PeriphCLKInitTypeDef PeriphClkInit = {0};
|
||||
if(hi2c->Instance==I2C1)
|
||||
{
|
||||
/* USER CODE BEGIN I2C1_MspInit 0 */
|
||||
|
||||
/* USER CODE END I2C1_MspInit 0 */
|
||||
|
||||
/** Initializes the peripherals clock
|
||||
*/
|
||||
PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_I2C1;
|
||||
PeriphClkInit.I2c1ClockSelection = RCC_I2C1CLKSOURCE_PCLK1;
|
||||
if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK)
|
||||
{
|
||||
Error_Handler();
|
||||
}
|
||||
|
||||
__HAL_RCC_GPIOB_CLK_ENABLE();
|
||||
/**I2C1 GPIO Configuration
|
||||
PB8 ------> I2C1_SCL
|
||||
PB9 ------> I2C1_SDA
|
||||
*/
|
||||
GPIO_InitStruct.Pin = GPIO_PIN_8|GPIO_PIN_9;
|
||||
GPIO_InitStruct.Mode = GPIO_MODE_AF_OD;
|
||||
GPIO_InitStruct.Pull = GPIO_NOPULL;
|
||||
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
|
||||
GPIO_InitStruct.Alternate = GPIO_AF4_I2C1;
|
||||
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
|
||||
|
||||
/* Peripheral clock enable */
|
||||
__HAL_RCC_I2C1_CLK_ENABLE();
|
||||
/* USER CODE BEGIN I2C1_MspInit 1 */
|
||||
|
||||
/* USER CODE END I2C1_MspInit 1 */
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief I2C MSP De-Initialization
|
||||
* This function freeze the hardware resources used in this example
|
||||
* @param hi2c: I2C handle pointer
|
||||
* @retval None
|
||||
*/
|
||||
void HAL_I2C_MspDeInit(I2C_HandleTypeDef* hi2c)
|
||||
{
|
||||
if(hi2c->Instance==I2C1)
|
||||
{
|
||||
/* USER CODE BEGIN I2C1_MspDeInit 0 */
|
||||
|
||||
/* USER CODE END I2C1_MspDeInit 0 */
|
||||
/* Peripheral clock disable */
|
||||
__HAL_RCC_I2C1_CLK_DISABLE();
|
||||
|
||||
/**I2C1 GPIO Configuration
|
||||
PB8 ------> I2C1_SCL
|
||||
PB9 ------> I2C1_SDA
|
||||
*/
|
||||
HAL_GPIO_DeInit(GPIOB, GPIO_PIN_8);
|
||||
|
||||
HAL_GPIO_DeInit(GPIOB, GPIO_PIN_9);
|
||||
|
||||
/* USER CODE BEGIN I2C1_MspDeInit 1 */
|
||||
|
||||
/* USER CODE END I2C1_MspDeInit 1 */
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief SPI MSP Initialization
|
||||
* This function configures the hardware resources used in this example
|
||||
* @param hspi: SPI handle pointer
|
||||
* @retval None
|
||||
*/
|
||||
void HAL_SPI_MspInit(SPI_HandleTypeDef* hspi)
|
||||
{
|
||||
GPIO_InitTypeDef GPIO_InitStruct = {0};
|
||||
if(hspi->Instance==SPI1)
|
||||
{
|
||||
/* USER CODE BEGIN SPI1_MspInit 0 */
|
||||
|
||||
/* USER CODE END SPI1_MspInit 0 */
|
||||
/* Peripheral clock enable */
|
||||
__HAL_RCC_SPI1_CLK_ENABLE();
|
||||
|
||||
__HAL_RCC_GPIOA_CLK_ENABLE();
|
||||
/**SPI1 GPIO Configuration
|
||||
PA5 ------> SPI1_SCK
|
||||
PA6 ------> SPI1_MISO
|
||||
PA7 ------> SPI1_MOSI
|
||||
*/
|
||||
GPIO_InitStruct.Pin = GPIO_PIN_5|GPIO_PIN_6|GPIO_PIN_7;
|
||||
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
|
||||
GPIO_InitStruct.Pull = GPIO_PULLUP;
|
||||
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
|
||||
GPIO_InitStruct.Alternate = GPIO_AF5_SPI1;
|
||||
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
|
||||
|
||||
/* SPI1 DMA Init */
|
||||
/* SPI1_RX Init */
|
||||
hdma_spi1_rx.Instance = DMA1_Channel2;
|
||||
hdma_spi1_rx.Init.Request = DMA_REQUEST_1;
|
||||
hdma_spi1_rx.Init.Direction = DMA_PERIPH_TO_MEMORY;
|
||||
hdma_spi1_rx.Init.PeriphInc = DMA_PINC_DISABLE;
|
||||
hdma_spi1_rx.Init.MemInc = DMA_MINC_ENABLE;
|
||||
hdma_spi1_rx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
|
||||
hdma_spi1_rx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
|
||||
hdma_spi1_rx.Init.Mode = DMA_NORMAL;
|
||||
hdma_spi1_rx.Init.Priority = DMA_PRIORITY_HIGH;
|
||||
if (HAL_DMA_Init(&hdma_spi1_rx) != HAL_OK)
|
||||
{
|
||||
Error_Handler();
|
||||
}
|
||||
|
||||
__HAL_LINKDMA(hspi,hdmarx,hdma_spi1_rx);
|
||||
|
||||
/* SPI1_TX Init */
|
||||
hdma_spi1_tx.Instance = DMA1_Channel3;
|
||||
hdma_spi1_tx.Init.Request = DMA_REQUEST_1;
|
||||
hdma_spi1_tx.Init.Direction = DMA_MEMORY_TO_PERIPH;
|
||||
hdma_spi1_tx.Init.PeriphInc = DMA_PINC_DISABLE;
|
||||
hdma_spi1_tx.Init.MemInc = DMA_MINC_ENABLE;
|
||||
hdma_spi1_tx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
|
||||
hdma_spi1_tx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
|
||||
hdma_spi1_tx.Init.Mode = DMA_NORMAL;
|
||||
hdma_spi1_tx.Init.Priority = DMA_PRIORITY_MEDIUM;
|
||||
if (HAL_DMA_Init(&hdma_spi1_tx) != HAL_OK)
|
||||
{
|
||||
Error_Handler();
|
||||
}
|
||||
|
||||
__HAL_LINKDMA(hspi,hdmatx,hdma_spi1_tx);
|
||||
|
||||
/* USER CODE BEGIN SPI1_MspInit 1 */
|
||||
|
||||
/* USER CODE END SPI1_MspInit 1 */
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief SPI MSP De-Initialization
|
||||
* This function freeze the hardware resources used in this example
|
||||
* @param hspi: SPI handle pointer
|
||||
* @retval None
|
||||
*/
|
||||
void HAL_SPI_MspDeInit(SPI_HandleTypeDef* hspi)
|
||||
{
|
||||
if(hspi->Instance==SPI1)
|
||||
{
|
||||
/* USER CODE BEGIN SPI1_MspDeInit 0 */
|
||||
|
||||
/* USER CODE END SPI1_MspDeInit 0 */
|
||||
/* Peripheral clock disable */
|
||||
__HAL_RCC_SPI1_CLK_DISABLE();
|
||||
|
||||
/**SPI1 GPIO Configuration
|
||||
PA5 ------> SPI1_SCK
|
||||
PA6 ------> SPI1_MISO
|
||||
PA7 ------> SPI1_MOSI
|
||||
*/
|
||||
HAL_GPIO_DeInit(GPIOA, GPIO_PIN_5|GPIO_PIN_6|GPIO_PIN_7);
|
||||
|
||||
/* SPI1 DMA DeInit */
|
||||
HAL_DMA_DeInit(hspi->hdmarx);
|
||||
HAL_DMA_DeInit(hspi->hdmatx);
|
||||
/* USER CODE BEGIN SPI1_MspDeInit 1 */
|
||||
|
||||
/* USER CODE END SPI1_MspDeInit 1 */
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief UART MSP Initialization
|
||||
* This function configures the hardware resources used in this example
|
||||
* @param huart: UART handle pointer
|
||||
* @retval None
|
||||
*/
|
||||
void HAL_UART_MspInit(UART_HandleTypeDef* huart)
|
||||
{
|
||||
GPIO_InitTypeDef GPIO_InitStruct = {0};
|
||||
RCC_PeriphCLKInitTypeDef PeriphClkInit = {0};
|
||||
if(huart->Instance==USART1)
|
||||
{
|
||||
/* USER CODE BEGIN USART1_MspInit 0 */
|
||||
|
||||
/* USER CODE END USART1_MspInit 0 */
|
||||
|
||||
/** Initializes the peripherals clock
|
||||
*/
|
||||
PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_USART1;
|
||||
PeriphClkInit.Usart1ClockSelection = RCC_USART1CLKSOURCE_PCLK2;
|
||||
if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK)
|
||||
{
|
||||
Error_Handler();
|
||||
}
|
||||
|
||||
/* Peripheral clock enable */
|
||||
__HAL_RCC_USART1_CLK_ENABLE();
|
||||
|
||||
__HAL_RCC_GPIOA_CLK_ENABLE();
|
||||
/**USART1 GPIO Configuration
|
||||
PA9 ------> USART1_TX
|
||||
PA10 ------> USART1_RX
|
||||
*/
|
||||
GPIO_InitStruct.Pin = GPIO_PIN_9|GPIO_PIN_10;
|
||||
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
|
||||
GPIO_InitStruct.Pull = GPIO_NOPULL;
|
||||
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
|
||||
GPIO_InitStruct.Alternate = GPIO_AF7_USART1;
|
||||
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
|
||||
|
||||
/* USER CODE BEGIN USART1_MspInit 1 */
|
||||
|
||||
/* USER CODE END USART1_MspInit 1 */
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief UART MSP De-Initialization
|
||||
* This function freeze the hardware resources used in this example
|
||||
* @param huart: UART handle pointer
|
||||
* @retval None
|
||||
*/
|
||||
void HAL_UART_MspDeInit(UART_HandleTypeDef* huart)
|
||||
{
|
||||
if(huart->Instance==USART1)
|
||||
{
|
||||
/* USER CODE BEGIN USART1_MspDeInit 0 */
|
||||
|
||||
/* USER CODE END USART1_MspDeInit 0 */
|
||||
/* Peripheral clock disable */
|
||||
__HAL_RCC_USART1_CLK_DISABLE();
|
||||
|
||||
/**USART1 GPIO Configuration
|
||||
PA9 ------> USART1_TX
|
||||
PA10 ------> USART1_RX
|
||||
*/
|
||||
HAL_GPIO_DeInit(GPIOA, GPIO_PIN_9|GPIO_PIN_10);
|
||||
|
||||
/* USER CODE BEGIN USART1_MspDeInit 1 */
|
||||
|
||||
/* USER CODE END USART1_MspDeInit 1 */
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/* USER CODE BEGIN 1 */
|
||||
|
||||
/* USER CODE END 1 */
|
232
resources/FC_camera/Src/stm32l4xx_it.c
Normal file
232
resources/FC_camera/Src/stm32l4xx_it.c
Normal file
@ -0,0 +1,232 @@
|
||||
/* USER CODE BEGIN Header */
|
||||
/**
|
||||
******************************************************************************
|
||||
* @file stm32l4xx_it.c
|
||||
* @brief Interrupt Service Routines.
|
||||
******************************************************************************
|
||||
* @attention
|
||||
*
|
||||
* Copyright (c) 2023 STMicroelectronics.
|
||||
* All rights reserved.
|
||||
*
|
||||
* This software is licensed under terms that can be found in the LICENSE file
|
||||
* in the root directory of this software component.
|
||||
* If no LICENSE file comes with this software, it is provided AS-IS.
|
||||
*
|
||||
******************************************************************************
|
||||
*/
|
||||
/* USER CODE END Header */
|
||||
|
||||
/* Includes ------------------------------------------------------------------*/
|
||||
#include "main.h"
|
||||
#include "stm32l4xx_it.h"
|
||||
/* Private includes ----------------------------------------------------------*/
|
||||
/* USER CODE BEGIN Includes */
|
||||
/* USER CODE END Includes */
|
||||
|
||||
/* Private typedef -----------------------------------------------------------*/
|
||||
/* USER CODE BEGIN TD */
|
||||
|
||||
/* USER CODE END TD */
|
||||
|
||||
/* Private define ------------------------------------------------------------*/
|
||||
/* USER CODE BEGIN PD */
|
||||
|
||||
/* USER CODE END PD */
|
||||
|
||||
/* Private macro -------------------------------------------------------------*/
|
||||
/* USER CODE BEGIN PM */
|
||||
|
||||
/* USER CODE END PM */
|
||||
|
||||
/* Private variables ---------------------------------------------------------*/
|
||||
/* USER CODE BEGIN PV */
|
||||
|
||||
/* USER CODE END PV */
|
||||
|
||||
/* Private function prototypes -----------------------------------------------*/
|
||||
/* USER CODE BEGIN PFP */
|
||||
|
||||
/* USER CODE END PFP */
|
||||
|
||||
/* Private user code ---------------------------------------------------------*/
|
||||
/* USER CODE BEGIN 0 */
|
||||
|
||||
/* USER CODE END 0 */
|
||||
|
||||
/* External variables --------------------------------------------------------*/
|
||||
extern DMA_HandleTypeDef hdma_spi1_rx;
|
||||
extern DMA_HandleTypeDef hdma_spi1_tx;
|
||||
/* USER CODE BEGIN EV */
|
||||
|
||||
/* USER CODE END EV */
|
||||
|
||||
/******************************************************************************/
|
||||
/* Cortex-M4 Processor Interruption and Exception Handlers */
|
||||
/******************************************************************************/
|
||||
/**
|
||||
* @brief This function handles Non maskable interrupt.
|
||||
*/
|
||||
void NMI_Handler(void)
|
||||
{
|
||||
/* USER CODE BEGIN NonMaskableInt_IRQn 0 */
|
||||
|
||||
/* USER CODE END NonMaskableInt_IRQn 0 */
|
||||
/* USER CODE BEGIN NonMaskableInt_IRQn 1 */
|
||||
while (1)
|
||||
{
|
||||
}
|
||||
/* USER CODE END NonMaskableInt_IRQn 1 */
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief This function handles Hard fault interrupt.
|
||||
*/
|
||||
void HardFault_Handler(void)
|
||||
{
|
||||
/* USER CODE BEGIN HardFault_IRQn 0 */
|
||||
|
||||
/* USER CODE END HardFault_IRQn 0 */
|
||||
while (1)
|
||||
{
|
||||
/* USER CODE BEGIN W1_HardFault_IRQn 0 */
|
||||
/* USER CODE END W1_HardFault_IRQn 0 */
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief This function handles Memory management fault.
|
||||
*/
|
||||
void MemManage_Handler(void)
|
||||
{
|
||||
/* USER CODE BEGIN MemoryManagement_IRQn 0 */
|
||||
|
||||
/* USER CODE END MemoryManagement_IRQn 0 */
|
||||
while (1)
|
||||
{
|
||||
/* USER CODE BEGIN W1_MemoryManagement_IRQn 0 */
|
||||
/* USER CODE END W1_MemoryManagement_IRQn 0 */
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief This function handles Prefetch fault, memory access fault.
|
||||
*/
|
||||
void BusFault_Handler(void)
|
||||
{
|
||||
/* USER CODE BEGIN BusFault_IRQn 0 */
|
||||
|
||||
/* USER CODE END BusFault_IRQn 0 */
|
||||
while (1)
|
||||
{
|
||||
/* USER CODE BEGIN W1_BusFault_IRQn 0 */
|
||||
/* USER CODE END W1_BusFault_IRQn 0 */
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief This function handles Undefined instruction or illegal state.
|
||||
*/
|
||||
void UsageFault_Handler(void)
|
||||
{
|
||||
/* USER CODE BEGIN UsageFault_IRQn 0 */
|
||||
|
||||
/* USER CODE END UsageFault_IRQn 0 */
|
||||
while (1)
|
||||
{
|
||||
/* USER CODE BEGIN W1_UsageFault_IRQn 0 */
|
||||
/* USER CODE END W1_UsageFault_IRQn 0 */
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief This function handles System service call via SWI instruction.
|
||||
*/
|
||||
void SVC_Handler(void)
|
||||
{
|
||||
/* USER CODE BEGIN SVCall_IRQn 0 */
|
||||
|
||||
/* USER CODE END SVCall_IRQn 0 */
|
||||
/* USER CODE BEGIN SVCall_IRQn 1 */
|
||||
|
||||
/* USER CODE END SVCall_IRQn 1 */
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief This function handles Debug monitor.
|
||||
*/
|
||||
void DebugMon_Handler(void)
|
||||
{
|
||||
/* USER CODE BEGIN DebugMonitor_IRQn 0 */
|
||||
|
||||
/* USER CODE END DebugMonitor_IRQn 0 */
|
||||
/* USER CODE BEGIN DebugMonitor_IRQn 1 */
|
||||
|
||||
/* USER CODE END DebugMonitor_IRQn 1 */
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief This function handles Pendable request for system service.
|
||||
*/
|
||||
void PendSV_Handler(void)
|
||||
{
|
||||
/* USER CODE BEGIN PendSV_IRQn 0 */
|
||||
|
||||
/* USER CODE END PendSV_IRQn 0 */
|
||||
/* USER CODE BEGIN PendSV_IRQn 1 */
|
||||
|
||||
/* USER CODE END PendSV_IRQn 1 */
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief This function handles System tick timer.
|
||||
*/
|
||||
void SysTick_Handler(void)
|
||||
{
|
||||
/* USER CODE BEGIN SysTick_IRQn 0 */
|
||||
|
||||
/* USER CODE END SysTick_IRQn 0 */
|
||||
HAL_IncTick();
|
||||
/* USER CODE BEGIN SysTick_IRQn 1 */
|
||||
|
||||
/* USER CODE END SysTick_IRQn 1 */
|
||||
}
|
||||
|
||||
/******************************************************************************/
|
||||
/* STM32L4xx Peripheral Interrupt Handlers */
|
||||
/* Add here the Interrupt Handlers for the used peripherals. */
|
||||
/* For the available peripheral interrupt handler names, */
|
||||
/* please refer to the startup file (startup_stm32l4xx.s). */
|
||||
/******************************************************************************/
|
||||
|
||||
/**
|
||||
* @brief This function handles DMA1 channel2 global interrupt.
|
||||
*/
|
||||
void DMA1_Channel2_IRQHandler(void)
|
||||
{
|
||||
/* USER CODE BEGIN DMA1_Channel2_IRQn 0 */
|
||||
|
||||
/* USER CODE END DMA1_Channel2_IRQn 0 */
|
||||
HAL_DMA_IRQHandler(&hdma_spi1_rx);
|
||||
/* USER CODE BEGIN DMA1_Channel2_IRQn 1 */
|
||||
|
||||
/* USER CODE END DMA1_Channel2_IRQn 1 */
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief This function handles DMA1 channel3 global interrupt.
|
||||
*/
|
||||
void DMA1_Channel3_IRQHandler(void)
|
||||
{
|
||||
/* USER CODE BEGIN DMA1_Channel3_IRQn 0 */
|
||||
|
||||
/* USER CODE END DMA1_Channel3_IRQn 0 */
|
||||
HAL_DMA_IRQHandler(&hdma_spi1_tx);
|
||||
/* USER CODE BEGIN DMA1_Channel3_IRQn 1 */
|
||||
|
||||
/* USER CODE END DMA1_Channel3_IRQn 1 */
|
||||
}
|
||||
|
||||
/* USER CODE BEGIN 1 */
|
||||
|
||||
/* USER CODE END 1 */
|
332
resources/FC_camera/Src/system_stm32l4xx.c
Normal file
332
resources/FC_camera/Src/system_stm32l4xx.c
Normal file
@ -0,0 +1,332 @@
|
||||
/**
|
||||
******************************************************************************
|
||||
* @file system_stm32l4xx.c
|
||||
* @author MCD Application Team
|
||||
* @brief CMSIS Cortex-M4 Device Peripheral Access Layer System Source File
|
||||
*
|
||||
* This file provides two functions and one global variable to be called from
|
||||
* user application:
|
||||
* - SystemInit(): This function is called at startup just after reset and
|
||||
* before branch to main program. This call is made inside
|
||||
* the "startup_stm32l4xx.s" file.
|
||||
*
|
||||
* - SystemCoreClock variable: Contains the core clock (HCLK), it can be used
|
||||
* by the user application to setup the SysTick
|
||||
* timer or configure other parameters.
|
||||
*
|
||||
* - SystemCoreClockUpdate(): Updates the variable SystemCoreClock and must
|
||||
* be called whenever the core clock is changed
|
||||
* during program execution.
|
||||
*
|
||||
* After each device reset the MSI (4 MHz) is used as system clock source.
|
||||
* Then SystemInit() function is called, in "startup_stm32l4xx.s" file, to
|
||||
* configure the system clock before to branch to main program.
|
||||
*
|
||||
* This file configures the system clock as follows:
|
||||
*=============================================================================
|
||||
*-----------------------------------------------------------------------------
|
||||
* System Clock source | MSI
|
||||
*-----------------------------------------------------------------------------
|
||||
* SYSCLK(Hz) | 4000000
|
||||
*-----------------------------------------------------------------------------
|
||||
* HCLK(Hz) | 4000000
|
||||
*-----------------------------------------------------------------------------
|
||||
* AHB Prescaler | 1
|
||||
*-----------------------------------------------------------------------------
|
||||
* APB1 Prescaler | 1
|
||||
*-----------------------------------------------------------------------------
|
||||
* APB2 Prescaler | 1
|
||||
*-----------------------------------------------------------------------------
|
||||
* PLL_M | 1
|
||||
*-----------------------------------------------------------------------------
|
||||
* PLL_N | 8
|
||||
*-----------------------------------------------------------------------------
|
||||
* PLL_P | 7
|
||||
*-----------------------------------------------------------------------------
|
||||
* PLL_Q | 2
|
||||
*-----------------------------------------------------------------------------
|
||||
* PLL_R | 2
|
||||
*-----------------------------------------------------------------------------
|
||||
* PLLSAI1_P | NA
|
||||
*-----------------------------------------------------------------------------
|
||||
* PLLSAI1_Q | NA
|
||||
*-----------------------------------------------------------------------------
|
||||
* PLLSAI1_R | NA
|
||||
*-----------------------------------------------------------------------------
|
||||
* PLLSAI2_P | NA
|
||||
*-----------------------------------------------------------------------------
|
||||
* PLLSAI2_Q | NA
|
||||
*-----------------------------------------------------------------------------
|
||||
* PLLSAI2_R | NA
|
||||
*-----------------------------------------------------------------------------
|
||||
* Require 48MHz for USB OTG FS, | Disabled
|
||||
* SDIO and RNG clock |
|
||||
*-----------------------------------------------------------------------------
|
||||
*=============================================================================
|
||||
******************************************************************************
|
||||
* @attention
|
||||
*
|
||||
* Copyright (c) 2017 STMicroelectronics.
|
||||
* All rights reserved.
|
||||
*
|
||||
* This software is licensed under terms that can be found in the LICENSE file
|
||||
* in the root directory of this software component.
|
||||
* If no LICENSE file comes with this software, it is provided AS-IS.
|
||||
*
|
||||
******************************************************************************
|
||||
*/
|
||||
|
||||
/** @addtogroup CMSIS
|
||||
* @{
|
||||
*/
|
||||
|
||||
/** @addtogroup stm32l4xx_system
|
||||
* @{
|
||||
*/
|
||||
|
||||
/** @addtogroup STM32L4xx_System_Private_Includes
|
||||
* @{
|
||||
*/
|
||||
|
||||
#include "stm32l4xx.h"
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
/** @addtogroup STM32L4xx_System_Private_TypesDefinitions
|
||||
* @{
|
||||
*/
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
/** @addtogroup STM32L4xx_System_Private_Defines
|
||||
* @{
|
||||
*/
|
||||
|
||||
#if !defined (HSE_VALUE)
|
||||
#define HSE_VALUE 8000000U /*!< Value of the External oscillator in Hz */
|
||||
#endif /* HSE_VALUE */
|
||||
|
||||
#if !defined (MSI_VALUE)
|
||||
#define MSI_VALUE 4000000U /*!< Value of the Internal oscillator in Hz*/
|
||||
#endif /* MSI_VALUE */
|
||||
|
||||
#if !defined (HSI_VALUE)
|
||||
#define HSI_VALUE 16000000U /*!< Value of the Internal oscillator in Hz*/
|
||||
#endif /* HSI_VALUE */
|
||||
|
||||
/* Note: Following vector table addresses must be defined in line with linker
|
||||
configuration. */
|
||||
/*!< Uncomment the following line if you need to relocate the vector table
|
||||
anywhere in Flash or Sram, else the vector table is kept at the automatic
|
||||
remap of boot address selected */
|
||||
/* #define USER_VECT_TAB_ADDRESS */
|
||||
|
||||
#if defined(USER_VECT_TAB_ADDRESS)
|
||||
/*!< Uncomment the following line if you need to relocate your vector Table
|
||||
in Sram else user remap will be done in Flash. */
|
||||
/* #define VECT_TAB_SRAM */
|
||||
|
||||
#if defined(VECT_TAB_SRAM)
|
||||
#define VECT_TAB_BASE_ADDRESS SRAM1_BASE /*!< Vector Table base address field.
|
||||
This value must be a multiple of 0x200. */
|
||||
#define VECT_TAB_OFFSET 0x00000000U /*!< Vector Table base offset field.
|
||||
This value must be a multiple of 0x200. */
|
||||
#else
|
||||
#define VECT_TAB_BASE_ADDRESS FLASH_BASE /*!< Vector Table base address field.
|
||||
This value must be a multiple of 0x200. */
|
||||
#define VECT_TAB_OFFSET 0x00000000U /*!< Vector Table base offset field.
|
||||
This value must be a multiple of 0x200. */
|
||||
#endif /* VECT_TAB_SRAM */
|
||||
#endif /* USER_VECT_TAB_ADDRESS */
|
||||
|
||||
/******************************************************************************/
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
/** @addtogroup STM32L4xx_System_Private_Macros
|
||||
* @{
|
||||
*/
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
/** @addtogroup STM32L4xx_System_Private_Variables
|
||||
* @{
|
||||
*/
|
||||
/* The SystemCoreClock variable is updated in three ways:
|
||||
1) by calling CMSIS function SystemCoreClockUpdate()
|
||||
2) by calling HAL API function HAL_RCC_GetHCLKFreq()
|
||||
3) each time HAL_RCC_ClockConfig() is called to configure the system clock frequency
|
||||
Note: If you use this function to configure the system clock; then there
|
||||
is no need to call the 2 first functions listed above, since SystemCoreClock
|
||||
variable is updated automatically.
|
||||
*/
|
||||
uint32_t SystemCoreClock = 4000000U;
|
||||
|
||||
const uint8_t AHBPrescTable[16] = {0U, 0U, 0U, 0U, 0U, 0U, 0U, 0U, 1U, 2U, 3U, 4U, 6U, 7U, 8U, 9U};
|
||||
const uint8_t APBPrescTable[8] = {0U, 0U, 0U, 0U, 1U, 2U, 3U, 4U};
|
||||
const uint32_t MSIRangeTable[12] = {100000U, 200000U, 400000U, 800000U, 1000000U, 2000000U, \
|
||||
4000000U, 8000000U, 16000000U, 24000000U, 32000000U, 48000000U};
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
/** @addtogroup STM32L4xx_System_Private_FunctionPrototypes
|
||||
* @{
|
||||
*/
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
/** @addtogroup STM32L4xx_System_Private_Functions
|
||||
* @{
|
||||
*/
|
||||
|
||||
/**
|
||||
* @brief Setup the microcontroller system.
|
||||
* @retval None
|
||||
*/
|
||||
|
||||
void SystemInit(void)
|
||||
{
|
||||
#if defined(USER_VECT_TAB_ADDRESS)
|
||||
/* Configure the Vector Table location -------------------------------------*/
|
||||
SCB->VTOR = VECT_TAB_BASE_ADDRESS | VECT_TAB_OFFSET;
|
||||
#endif
|
||||
|
||||
/* FPU settings ------------------------------------------------------------*/
|
||||
#if (__FPU_PRESENT == 1) && (__FPU_USED == 1)
|
||||
SCB->CPACR |= ((3UL << 20U)|(3UL << 22U)); /* set CP10 and CP11 Full Access */
|
||||
#endif
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Update SystemCoreClock variable according to Clock Register Values.
|
||||
* The SystemCoreClock variable contains the core clock (HCLK), it can
|
||||
* be used by the user application to setup the SysTick timer or configure
|
||||
* other parameters.
|
||||
*
|
||||
* @note Each time the core clock (HCLK) changes, this function must be called
|
||||
* to update SystemCoreClock variable value. Otherwise, any configuration
|
||||
* based on this variable will be incorrect.
|
||||
*
|
||||
* @note - The system frequency computed by this function is not the real
|
||||
* frequency in the chip. It is calculated based on the predefined
|
||||
* constant and the selected clock source:
|
||||
*
|
||||
* - If SYSCLK source is MSI, SystemCoreClock will contain the MSI_VALUE(*)
|
||||
*
|
||||
* - If SYSCLK source is HSI, SystemCoreClock will contain the HSI_VALUE(**)
|
||||
*
|
||||
* - If SYSCLK source is HSE, SystemCoreClock will contain the HSE_VALUE(***)
|
||||
*
|
||||
* - If SYSCLK source is PLL, SystemCoreClock will contain the HSE_VALUE(***)
|
||||
* or HSI_VALUE(*) or MSI_VALUE(*) multiplied/divided by the PLL factors.
|
||||
*
|
||||
* (*) MSI_VALUE is a constant defined in stm32l4xx_hal.h file (default value
|
||||
* 4 MHz) but the real value may vary depending on the variations
|
||||
* in voltage and temperature.
|
||||
*
|
||||
* (**) HSI_VALUE is a constant defined in stm32l4xx_hal.h file (default value
|
||||
* 16 MHz) but the real value may vary depending on the variations
|
||||
* in voltage and temperature.
|
||||
*
|
||||
* (***) HSE_VALUE is a constant defined in stm32l4xx_hal.h file (default value
|
||||
* 8 MHz), user has to ensure that HSE_VALUE is same as the real
|
||||
* frequency of the crystal used. Otherwise, this function may
|
||||
* have wrong result.
|
||||
*
|
||||
* - The result of this function could be not correct when using fractional
|
||||
* value for HSE crystal.
|
||||
*
|
||||
* @retval None
|
||||
*/
|
||||
void SystemCoreClockUpdate(void)
|
||||
{
|
||||
uint32_t tmp, msirange, pllvco, pllsource, pllm, pllr;
|
||||
|
||||
/* Get MSI Range frequency--------------------------------------------------*/
|
||||
if ((RCC->CR & RCC_CR_MSIRGSEL) == 0U)
|
||||
{ /* MSISRANGE from RCC_CSR applies */
|
||||
msirange = (RCC->CSR & RCC_CSR_MSISRANGE) >> 8U;
|
||||
}
|
||||
else
|
||||
{ /* MSIRANGE from RCC_CR applies */
|
||||
msirange = (RCC->CR & RCC_CR_MSIRANGE) >> 4U;
|
||||
}
|
||||
/*MSI frequency range in HZ*/
|
||||
msirange = MSIRangeTable[msirange];
|
||||
|
||||
/* Get SYSCLK source -------------------------------------------------------*/
|
||||
switch (RCC->CFGR & RCC_CFGR_SWS)
|
||||
{
|
||||
case 0x00: /* MSI used as system clock source */
|
||||
SystemCoreClock = msirange;
|
||||
break;
|
||||
|
||||
case 0x04: /* HSI used as system clock source */
|
||||
SystemCoreClock = HSI_VALUE;
|
||||
break;
|
||||
|
||||
case 0x08: /* HSE used as system clock source */
|
||||
SystemCoreClock = HSE_VALUE;
|
||||
break;
|
||||
|
||||
case 0x0C: /* PLL used as system clock source */
|
||||
/* PLL_VCO = (HSE_VALUE or HSI_VALUE or MSI_VALUE/ PLLM) * PLLN
|
||||
SYSCLK = PLL_VCO / PLLR
|
||||
*/
|
||||
pllsource = (RCC->PLLCFGR & RCC_PLLCFGR_PLLSRC);
|
||||
pllm = ((RCC->PLLCFGR & RCC_PLLCFGR_PLLM) >> 4U) + 1U ;
|
||||
|
||||
switch (pllsource)
|
||||
{
|
||||
case 0x02: /* HSI used as PLL clock source */
|
||||
pllvco = (HSI_VALUE / pllm);
|
||||
break;
|
||||
|
||||
case 0x03: /* HSE used as PLL clock source */
|
||||
pllvco = (HSE_VALUE / pllm);
|
||||
break;
|
||||
|
||||
default: /* MSI used as PLL clock source */
|
||||
pllvco = (msirange / pllm);
|
||||
break;
|
||||
}
|
||||
pllvco = pllvco * ((RCC->PLLCFGR & RCC_PLLCFGR_PLLN) >> 8U);
|
||||
pllr = (((RCC->PLLCFGR & RCC_PLLCFGR_PLLR) >> 25U) + 1U) * 2U;
|
||||
SystemCoreClock = pllvco/pllr;
|
||||
break;
|
||||
|
||||
default:
|
||||
SystemCoreClock = msirange;
|
||||
break;
|
||||
}
|
||||
/* Compute HCLK clock frequency --------------------------------------------*/
|
||||
/* Get HCLK prescaler */
|
||||
tmp = AHBPrescTable[((RCC->CFGR & RCC_CFGR_HPRE) >> 4U)];
|
||||
/* HCLK clock frequency */
|
||||
SystemCoreClock >>= tmp;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
|
Reference in New Issue
Block a user