You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
452 lines
14 KiB
452 lines
14 KiB
/* USER CODE BEGIN Header */
|
|
|
|
/**
|
|
******************************************************************************
|
|
* @file : main.c
|
|
* @brief : Main program body
|
|
******************************************************************************
|
|
* @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"
|
|
|
|
/* Private includes ----------------------------------------------------------*/
|
|
/* USER CODE BEGIN Includes */
|
|
#include "SPI_camera.hpp"
|
|
#include "OV2640.hpp"
|
|
#include "OV2640_regs.hpp"
|
|
#include "butcube_imager.hpp"
|
|
/* USER CODE END Includes */
|
|
|
|
/* Private typedef -----------------------------------------------------------*/
|
|
/* USER CODE BEGIN PTD */
|
|
|
|
/* USER CODE END PTD */
|
|
|
|
/* Private define ------------------------------------------------------------*/
|
|
/* USER CODE BEGIN PD */
|
|
/* USER CODE END PD */
|
|
|
|
/* Private macro -------------------------------------------------------------*/
|
|
/* USER CODE BEGIN PM */
|
|
|
|
/* USER CODE END PM */
|
|
|
|
/* Private variables ---------------------------------------------------------*/
|
|
I2C_HandleTypeDef hi2c1;
|
|
|
|
SPI_HandleTypeDef hspi1;
|
|
DMA_HandleTypeDef hdma_spi1_rx;
|
|
DMA_HandleTypeDef hdma_spi1_tx;
|
|
|
|
UART_HandleTypeDef huart1;
|
|
UART_HandleTypeDef huart3;
|
|
|
|
/* USER CODE BEGIN PV */
|
|
|
|
/* USER CODE END PV */
|
|
|
|
/* Private function prototypes -----------------------------------------------*/
|
|
void SystemClock_Config(void);
|
|
static void MX_GPIO_Init(void);
|
|
static void MX_DMA_Init(void);
|
|
static void MX_I2C1_Init(void);
|
|
static void MX_SPI1_Init(void);
|
|
static void MX_USART1_UART_Init(void);
|
|
static void MX_USART3_UART_Init(void);
|
|
/* USER CODE BEGIN PFP */
|
|
|
|
/* USER CODE END PFP */
|
|
|
|
/* Private user code ---------------------------------------------------------*/
|
|
/* USER CODE BEGIN 0 */
|
|
|
|
void Image_capture(OV2640 *camera, ButCube_imager *transmitter){
|
|
HAL_GPIO_TogglePin(LED1_GPIO_Port, LED1_Pin);
|
|
|
|
camera->Init(OV2640_320x240_JPEG);
|
|
|
|
HAL_Delay(1000);
|
|
|
|
camera->Capture();
|
|
transmitter->Transmit(camera->Image_data());
|
|
HAL_Delay(1000);
|
|
}
|
|
|
|
/* USER CODE END 0 */
|
|
|
|
/**
|
|
* @brief The application entry point.
|
|
* @retval int
|
|
*/
|
|
int main(void){
|
|
/* USER CODE BEGIN 1 */
|
|
/* USER CODE END 1 */
|
|
|
|
/* MCU Configuration--------------------------------------------------------*/
|
|
|
|
/* Reset of all peripherals, Initializes the Flash interface and the Systick. */
|
|
HAL_Init();
|
|
|
|
/* USER CODE BEGIN Init */
|
|
/* USER CODE END Init */
|
|
|
|
/* Configure the system clock */
|
|
SystemClock_Config();
|
|
|
|
/* USER CODE BEGIN SysInit */
|
|
/* USER CODE END SysInit */
|
|
|
|
/* Initialize all configured peripherals */
|
|
MX_GPIO_Init();
|
|
MX_DMA_Init();
|
|
MX_I2C1_Init();
|
|
MX_SPI1_Init();
|
|
MX_USART1_UART_Init();
|
|
MX_USART3_UART_Init();
|
|
/* USER CODE BEGIN 2 */
|
|
|
|
// Initialize SPI clock
|
|
uint8_t empty = 0x00;
|
|
HAL_GPIO_WritePin(GPIOB, GPIO_PIN_0, GPIO_PIN_RESET);
|
|
HAL_SPI_Transmit(&hspi1, &empty, 1, HAL_MAX_DELAY);
|
|
HAL_SPI_Receive(&hspi1, (uint8_t *) &empty, 1, HAL_MAX_DELAY);
|
|
HAL_GPIO_WritePin(GPIOB, GPIO_PIN_0, GPIO_PIN_SET);
|
|
|
|
// Initialize LEDs
|
|
HAL_GPIO_WritePin(LED2_GPIO_Port, LED2_Pin, GPIO_PIN_RESET);
|
|
HAL_GPIO_WritePin(LED1_GPIO_Port, LED1_Pin, GPIO_PIN_SET);
|
|
|
|
HAL_Delay(500);
|
|
|
|
ButCube_imager *transmitter = new ButCube_imager();
|
|
transmitter->Add_output(huart1);
|
|
transmitter->Add_output(huart3);
|
|
transmitter->Camera_power(true);
|
|
|
|
// Wait for power rail to stabilize
|
|
HAL_Delay(1000);
|
|
|
|
OV2640 *camera = new OV2640(hi2c1, 0x60, hspi1, SPI_camera::Chip_select_pin{ GPIOB, GPIO_PIN_0 });
|
|
|
|
/* USER CODE END 2 */
|
|
|
|
/* Infinite loop */
|
|
/* USER CODE BEGIN WHILE */
|
|
while (1) {
|
|
/* USER CODE END WHILE */
|
|
|
|
/* USER CODE BEGIN 3 */
|
|
Image_capture(camera, transmitter);
|
|
}
|
|
/* USER CODE END 3 */
|
|
} // main
|
|
|
|
/**
|
|
* @brief System Clock Configuration
|
|
* @retval None
|
|
*/
|
|
void SystemClock_Config(void){
|
|
RCC_OscInitTypeDef RCC_OscInitStruct = { 0 };
|
|
RCC_ClkInitTypeDef RCC_ClkInitStruct = { 0 };
|
|
|
|
/** Configure the main internal regulator output voltage
|
|
*/
|
|
if (HAL_PWREx_ControlVoltageScaling(PWR_REGULATOR_VOLTAGE_SCALE1) != HAL_OK) {
|
|
Error_Handler();
|
|
}
|
|
|
|
/** Initializes the RCC Oscillators according to the specified parameters
|
|
* in the RCC_OscInitTypeDef structure.
|
|
*/
|
|
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_MSI;
|
|
RCC_OscInitStruct.MSIState = RCC_MSI_ON;
|
|
RCC_OscInitStruct.MSICalibrationValue = 0;
|
|
RCC_OscInitStruct.MSIClockRange = RCC_MSIRANGE_6;
|
|
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
|
|
RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_MSI;
|
|
RCC_OscInitStruct.PLL.PLLM = 1;
|
|
RCC_OscInitStruct.PLL.PLLN = 40;
|
|
RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV7;
|
|
RCC_OscInitStruct.PLL.PLLQ = RCC_PLLQ_DIV2;
|
|
RCC_OscInitStruct.PLL.PLLR = RCC_PLLR_DIV2;
|
|
if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) {
|
|
Error_Handler();
|
|
}
|
|
|
|
/** Initializes the CPU, AHB and APB buses clocks
|
|
*/
|
|
RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_SYSCLK
|
|
| RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2;
|
|
RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
|
|
RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
|
|
RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
|
|
RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
|
|
|
|
if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_4) != HAL_OK) {
|
|
Error_Handler();
|
|
}
|
|
} // SystemClock_Config
|
|
|
|
/**
|
|
* @brief I2C1 Initialization Function
|
|
* @param None
|
|
* @retval None
|
|
*/
|
|
static void MX_I2C1_Init(void){
|
|
/* USER CODE BEGIN I2C1_Init 0 */
|
|
|
|
/* USER CODE END I2C1_Init 0 */
|
|
|
|
/* USER CODE BEGIN I2C1_Init 1 */
|
|
|
|
/* USER CODE END I2C1_Init 1 */
|
|
hi2c1.Instance = I2C1;
|
|
hi2c1.Init.Timing = 0x10909CEC;
|
|
hi2c1.Init.OwnAddress1 = 0;
|
|
hi2c1.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT;
|
|
hi2c1.Init.DualAddressMode = I2C_DUALADDRESS_DISABLE;
|
|
hi2c1.Init.OwnAddress2 = 0;
|
|
hi2c1.Init.OwnAddress2Masks = I2C_OA2_NOMASK;
|
|
hi2c1.Init.GeneralCallMode = I2C_GENERALCALL_DISABLE;
|
|
hi2c1.Init.NoStretchMode = I2C_NOSTRETCH_DISABLE;
|
|
if (HAL_I2C_Init(&hi2c1) != HAL_OK) {
|
|
Error_Handler();
|
|
}
|
|
|
|
/** Configure Analogue filter
|
|
*/
|
|
if (HAL_I2CEx_ConfigAnalogFilter(&hi2c1, I2C_ANALOGFILTER_ENABLE) != HAL_OK) {
|
|
Error_Handler();
|
|
}
|
|
|
|
/** Configure Digital filter
|
|
*/
|
|
if (HAL_I2CEx_ConfigDigitalFilter(&hi2c1, 0) != HAL_OK) {
|
|
Error_Handler();
|
|
}
|
|
/* USER CODE BEGIN I2C1_Init 2 */
|
|
|
|
/* USER CODE END I2C1_Init 2 */
|
|
} // MX_I2C1_Init
|
|
|
|
/**
|
|
* @brief SPI1 Initialization Function
|
|
* @param None
|
|
* @retval None
|
|
*/
|
|
static void MX_SPI1_Init(void){
|
|
/* USER CODE BEGIN SPI1_Init 0 */
|
|
|
|
/* USER CODE END SPI1_Init 0 */
|
|
|
|
/* USER CODE BEGIN SPI1_Init 1 */
|
|
|
|
/* USER CODE END SPI1_Init 1 */
|
|
/* SPI1 parameter configuration*/
|
|
hspi1.Instance = SPI1;
|
|
hspi1.Init.Mode = SPI_MODE_MASTER;
|
|
hspi1.Init.Direction = SPI_DIRECTION_2LINES;
|
|
hspi1.Init.DataSize = SPI_DATASIZE_8BIT;
|
|
hspi1.Init.CLKPolarity = SPI_POLARITY_LOW;
|
|
hspi1.Init.CLKPhase = SPI_PHASE_1EDGE;
|
|
hspi1.Init.NSS = SPI_NSS_SOFT;
|
|
hspi1.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_256;
|
|
hspi1.Init.FirstBit = SPI_FIRSTBIT_MSB;
|
|
hspi1.Init.TIMode = SPI_TIMODE_DISABLE;
|
|
hspi1.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
|
|
hspi1.Init.CRCPolynomial = 7;
|
|
hspi1.Init.CRCLength = SPI_CRC_LENGTH_DATASIZE;
|
|
hspi1.Init.NSSPMode = SPI_NSS_PULSE_ENABLE;
|
|
if (HAL_SPI_Init(&hspi1) != HAL_OK) {
|
|
Error_Handler();
|
|
}
|
|
/* USER CODE BEGIN SPI1_Init 2 */
|
|
|
|
/* USER CODE END SPI1_Init 2 */
|
|
}
|
|
|
|
/**
|
|
* @brief USART1 Initialization Function
|
|
* @param None
|
|
* @retval None
|
|
*/
|
|
static void MX_USART1_UART_Init(void){
|
|
/* USER CODE BEGIN USART1_Init 0 */
|
|
|
|
/* USER CODE END USART1_Init 0 */
|
|
|
|
/* USER CODE BEGIN USART1_Init 1 */
|
|
|
|
/* USER CODE END USART1_Init 1 */
|
|
huart1.Instance = USART1;
|
|
huart1.Init.BaudRate = 115200;
|
|
huart1.Init.WordLength = UART_WORDLENGTH_8B;
|
|
huart1.Init.StopBits = UART_STOPBITS_1;
|
|
huart1.Init.Parity = UART_PARITY_NONE;
|
|
huart1.Init.Mode = UART_MODE_TX_RX;
|
|
huart1.Init.HwFlowCtl = UART_HWCONTROL_NONE;
|
|
huart1.Init.OverSampling = UART_OVERSAMPLING_16;
|
|
huart1.Init.OneBitSampling = UART_ONE_BIT_SAMPLE_DISABLE;
|
|
huart1.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_NO_INIT;
|
|
if (HAL_UART_Init(&huart1) != HAL_OK) {
|
|
Error_Handler();
|
|
}
|
|
/* USER CODE BEGIN USART1_Init 2 */
|
|
|
|
/* USER CODE END USART1_Init 2 */
|
|
}
|
|
|
|
/**
|
|
* @brief USART3 Initialization Function
|
|
* @param None
|
|
* @retval None
|
|
*/
|
|
static void MX_USART3_UART_Init(void){
|
|
/* USER CODE BEGIN USART3_Init 0 */
|
|
|
|
/* USER CODE END USART3_Init 0 */
|
|
|
|
/* USER CODE BEGIN USART3_Init 1 */
|
|
|
|
/* USER CODE END USART3_Init 1 */
|
|
huart3.Instance = USART3;
|
|
huart3.Init.BaudRate = 115200;
|
|
huart3.Init.WordLength = UART_WORDLENGTH_8B;
|
|
huart3.Init.StopBits = UART_STOPBITS_1;
|
|
huart3.Init.Parity = UART_PARITY_NONE;
|
|
huart3.Init.Mode = UART_MODE_TX_RX;
|
|
huart3.Init.HwFlowCtl = UART_HWCONTROL_NONE;
|
|
huart3.Init.OverSampling = UART_OVERSAMPLING_16;
|
|
huart3.Init.OneBitSampling = UART_ONE_BIT_SAMPLE_DISABLE;
|
|
huart3.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_NO_INIT;
|
|
if (HAL_UART_Init(&huart3) != HAL_OK) {
|
|
Error_Handler();
|
|
}
|
|
/* USER CODE BEGIN USART3_Init 2 */
|
|
|
|
/* USER CODE END USART3_Init 2 */
|
|
}
|
|
|
|
/**
|
|
* Enable DMA controller clock
|
|
*/
|
|
static void MX_DMA_Init(void){
|
|
/* DMA controller clock enable */
|
|
__HAL_RCC_DMA1_CLK_ENABLE();
|
|
|
|
/* DMA interrupt init */
|
|
/* DMA1_Channel2_IRQn interrupt configuration */
|
|
HAL_NVIC_SetPriority(DMA1_Channel2_IRQn, 0, 0);
|
|
HAL_NVIC_EnableIRQ(DMA1_Channel2_IRQn);
|
|
/* DMA1_Channel3_IRQn interrupt configuration */
|
|
HAL_NVIC_SetPriority(DMA1_Channel3_IRQn, 0, 0);
|
|
HAL_NVIC_EnableIRQ(DMA1_Channel3_IRQn);
|
|
}
|
|
|
|
/**
|
|
* @brief GPIO Initialization Function
|
|
* @param None
|
|
* @retval None
|
|
*/
|
|
static void MX_GPIO_Init(void){
|
|
GPIO_InitTypeDef GPIO_InitStruct = { 0 };
|
|
|
|
/* GPIO Ports Clock Enable */
|
|
__HAL_RCC_GPIOA_CLK_ENABLE();
|
|
__HAL_RCC_GPIOB_CLK_ENABLE();
|
|
__HAL_RCC_GPIOH_CLK_ENABLE();
|
|
|
|
/*Configure GPIO pin Output Level */
|
|
HAL_GPIO_WritePin(GPIOA, GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_2 | GPIO_PIN_15, GPIO_PIN_SET);
|
|
|
|
/*Configure GPIO pin Output Level */
|
|
HAL_GPIO_WritePin(GPIOA, CAMERA_EN_Pin | LED2_Pin, GPIO_PIN_RESET);
|
|
|
|
/*Configure GPIO pin Output Level */
|
|
HAL_GPIO_WritePin(GPIOB, CAMERA_CS_Pin | LED1_Pin, GPIO_PIN_RESET);
|
|
|
|
/*Configure GPIO pin Output Level */
|
|
HAL_GPIO_WritePin(GPIOH, GPIO_PIN_3, GPIO_PIN_SET);
|
|
|
|
/*Configure GPIO pins : PA0 PA1 PA2 PA15 */
|
|
GPIO_InitStruct.Pin = GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_2 | GPIO_PIN_15;
|
|
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
|
|
GPIO_InitStruct.Pull = GPIO_NOPULL;
|
|
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
|
|
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
|
|
|
|
/*Configure GPIO pins : CAMERA_EN_Pin LED2_Pin */
|
|
GPIO_InitStruct.Pin = CAMERA_EN_Pin | LED2_Pin;
|
|
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
|
|
GPIO_InitStruct.Pull = GPIO_PULLUP;
|
|
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
|
|
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
|
|
|
|
/*Configure GPIO pin : CAMERA_CS_Pin */
|
|
GPIO_InitStruct.Pin = CAMERA_CS_Pin;
|
|
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
|
|
GPIO_InitStruct.Pull = GPIO_PULLUP;
|
|
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
|
|
HAL_GPIO_Init(CAMERA_CS_GPIO_Port, &GPIO_InitStruct);
|
|
|
|
/*Configure GPIO pin : LED1_Pin */
|
|
GPIO_InitStruct.Pin = LED1_Pin;
|
|
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
|
|
GPIO_InitStruct.Pull = GPIO_PULLUP;
|
|
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
|
|
HAL_GPIO_Init(LED1_GPIO_Port, &GPIO_InitStruct);
|
|
|
|
/*Configure GPIO pin : PH3 */
|
|
GPIO_InitStruct.Pin = GPIO_PIN_3;
|
|
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
|
|
GPIO_InitStruct.Pull = GPIO_NOPULL;
|
|
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
|
|
HAL_GPIO_Init(GPIOH, &GPIO_InitStruct);
|
|
} // MX_GPIO_Init
|
|
|
|
/* USER CODE BEGIN 4 */
|
|
|
|
/* USER CODE END 4 */
|
|
|
|
/**
|
|
* @brief This function is executed in case of error occurrence.
|
|
* @retval None
|
|
*/
|
|
void Error_Handler(void){
|
|
/* USER CODE BEGIN Error_Handler_Debug */
|
|
/* User can add his own implementation to report the HAL error return state */
|
|
__disable_irq();
|
|
while (1) { }
|
|
/* USER CODE END Error_Handler_Debug */
|
|
}
|
|
|
|
#ifdef USE_FULL_ASSERT
|
|
|
|
/**
|
|
* @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 */
|