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/* 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 "commonheaderfiles.h"

/* 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 ---------------------------------------------------------*/
 
FDCAN_HandleTypeDef hfdcan1;
 
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_USART3_UART_Init(void);

static void MX_USB_OTG_HS_USB_Init(void);

static void MX_FDCAN1_Init(void);

/* USER CODE BEGIN PFP */
 
/* USER CODE END PFP */
 
/* Private user code ---------------------------------------------------------*/

/* USER CODE BEGIN 0 */
 
/* USER CODE END 0 */
 
/**

* @brief  The application entry point.

* @retval int

*/

int main(void)

{

	/* USER CODE BEGIN 1 */

	int CAN_Error_Code =-1;   //variable for CAN error code

	char Data[50] ={0};

	int  Data_Length = 0;

	/* 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_USART3_UART_Init();

	MX_USB_OTG_HS_USB_Init();

	MX_FDCAN1_Init();

	/* USER CODE BEGIN 2 */

	FDCAN1_INIT();				//FDCAN1 initialization

	//	HAL_Delay(500);
 
	/* USER CODE END 2 */

    //uint8_t ch;
 
	/* Infinite loop */

	/* USER CODE BEGIN WHILE */

	while (1)

	{

		/* USER CODE END WHILE */
 
		/* USER CODE BEGIN 3 */

		/* FDCAN Transmit fucntionality */

        HAL_UART_Receive(&huart3,&TxData1,sizeof(TxData1),1000);

		//memcpy((char *)TxData1, "Node1 Tx",strlen("Node1 Tx"));   //copy data in TxData1 buffer

		CAN_Error_Code = HAL_FDCAN_AddMessageToTxFifoQ(&hfdcan1, &TxHeader1, TxData1); //Hal api to add data to TxQ

		Data_Length = sprintf((char *)Data, "CAN_Error_Code = %d\r\n", CAN_Error_Code); //Covert int value to char string

		UART3_Transmit_Data((uint8_t *)Data,Data_Length);		 //Transmit function for uart3 console

		HAL_Delay(5000); 										 //1sec Delay

	}

	/* USER CODE END 3 */

}
 
/**

* @brief System Clock Configuration

* @retval None

*/

void SystemClock_Config(void)

{

	RCC_OscInitTypeDef RCC_OscInitStruct = {0};

	RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
 
	/*AXI clock gating */

	RCC->CKGAENR = 0xFFFFFFFF;
 
	/** Supply configuration update enable

	 */

	HAL_PWREx_ConfigSupply(PWR_DIRECT_SMPS_SUPPLY);
 
	/** Configure the main internal regulator output voltage

	 */

	__HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE0);
 
	while(!__HAL_PWR_GET_FLAG(PWR_FLAG_VOSRDY)) {}
 
	/** Initializes the RCC Oscillators according to the specified parameters

	 * in the RCC_OscInitTypeDef structure.

	 */

	RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI48|RCC_OSCILLATORTYPE_HSI

			|RCC_OSCILLATORTYPE_HSE;

	RCC_OscInitStruct.HSEState = RCC_HSE_BYPASS;

	RCC_OscInitStruct.HSIState = RCC_HSI_DIV1;

	RCC_OscInitStruct.HSICalibrationValue = 64;

	RCC_OscInitStruct.HSI48State = RCC_HSI48_ON;

	RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;

	RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;

	RCC_OscInitStruct.PLL.PLLM = 1;

	RCC_OscInitStruct.PLL.PLLN = 24;

	RCC_OscInitStruct.PLL.PLLP = 2;

	RCC_OscInitStruct.PLL.PLLQ = 4;

	RCC_OscInitStruct.PLL.PLLR = 2;

	RCC_OscInitStruct.PLL.PLLRGE = RCC_PLL1VCIRANGE_3;

	RCC_OscInitStruct.PLL.PLLVCOSEL = RCC_PLL1VCOWIDE;

	RCC_OscInitStruct.PLL.PLLFRACN = 0;

	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_CLOCKTYPE_D3PCLK1|RCC_CLOCKTYPE_D1PCLK1;

	RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_HSI;

	RCC_ClkInitStruct.SYSCLKDivider = RCC_SYSCLK_DIV1;

	RCC_ClkInitStruct.AHBCLKDivider = RCC_HCLK_DIV1;

	RCC_ClkInitStruct.APB3CLKDivider = RCC_APB3_DIV1;

	RCC_ClkInitStruct.APB1CLKDivider = RCC_APB1_DIV1;

	RCC_ClkInitStruct.APB2CLKDivider = RCC_APB2_DIV1;

	RCC_ClkInitStruct.APB4CLKDivider = RCC_APB4_DIV1;
 
	if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_1) != HAL_OK)

	{

		Error_Handler();

	}

}
 
/**

* @brief FDCAN1 Initialization Function

* @param None

* @retval None

*/

static void MX_FDCAN1_Init(void)

{
 
	/* USER CODE BEGIN FDCAN1_Init 0 */
 
	/* USER CODE END FDCAN1_Init 0 */
 
	/* USER CODE BEGIN FDCAN1_Init 1 */
 
	/* USER CODE END FDCAN1_Init 1 */

	hfdcan1.Instance = FDCAN1;

	hfdcan1.Init.FrameFormat = FDCAN_FRAME_FD_NO_BRS;

	hfdcan1.Init.Mode = FDCAN_MODE_NORMAL;

	hfdcan1.Init.AutoRetransmission = ENABLE;

	hfdcan1.Init.TransmitPause = DISABLE;

	hfdcan1.Init.ProtocolException = DISABLE;

	hfdcan1.Init.NominalPrescaler = 1;

	hfdcan1.Init.NominalSyncJumpWidth = 18;

	hfdcan1.Init.NominalTimeSeg1 = 77;

	hfdcan1.Init.NominalTimeSeg2 = 18;

	hfdcan1.Init.DataPrescaler = 6;

	hfdcan1.Init.DataSyncJumpWidth = 7;

	hfdcan1.Init.DataTimeSeg1 = 8;

	hfdcan1.Init.DataTimeSeg2 = 7;

	hfdcan1.Init.MessageRAMOffset = 0;

	hfdcan1.Init.StdFiltersNbr = 1;

	hfdcan1.Init.ExtFiltersNbr = 0;

	hfdcan1.Init.RxFifo0ElmtsNbr = 1;

	hfdcan1.Init.RxFifo0ElmtSize = FDCAN_DATA_BYTES_8;

	hfdcan1.Init.RxFifo1ElmtsNbr = 0;

	hfdcan1.Init.RxFifo1ElmtSize = FDCAN_DATA_BYTES_8;

	hfdcan1.Init.RxBuffersNbr = 0;

	hfdcan1.Init.RxBufferSize = FDCAN_DATA_BYTES_8;

	hfdcan1.Init.TxEventsNbr = 0;

	hfdcan1.Init.TxBuffersNbr = 0;

	hfdcan1.Init.TxFifoQueueElmtsNbr = 1;

	hfdcan1.Init.TxFifoQueueMode = FDCAN_TX_FIFO_OPERATION;

	hfdcan1.Init.TxElmtSize = FDCAN_DATA_BYTES_8;

	if (HAL_FDCAN_Init(&hfdcan1) != HAL_OK)

	{

		Error_Handler();

	}

	/* USER CODE BEGIN FDCAN1_Init 2 */

	FDCAN_FilterTypeDef sFilterConfig;
 
	sFilterConfig.IdType = FDCAN_STANDARD_ID;

	sFilterConfig.FilterIndex = 0;

	sFilterConfig.FilterType = FDCAN_FILTER_MASK;

	sFilterConfig.FilterConfig = FDCAN_FILTER_TO_RXFIFO0;

	sFilterConfig.FilterID1 = 0x11;

	sFilterConfig.FilterID2 = 0x11;

	sFilterConfig.RxBufferIndex = 0;

	if (HAL_FDCAN_ConfigFilter(&hfdcan1, &sFilterConfig) != HAL_OK)

	{

		/* Filter configuration Error */

		Error_Handler();

	}

	/* USER CODE END FDCAN1_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.Init.ClockPrescaler = UART_PRESCALER_DIV1;

	huart3.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_NO_INIT;

	if (HAL_UART_Init(&huart3) != HAL_OK)

	{

		Error_Handler();

	}

	if (HAL_UARTEx_SetTxFifoThreshold(&huart3, UART_TXFIFO_THRESHOLD_1_8) != HAL_OK)

	{

		Error_Handler();

	}

	if (HAL_UARTEx_SetRxFifoThreshold(&huart3, UART_RXFIFO_THRESHOLD_1_8) != HAL_OK)

	{

		Error_Handler();

	}

	if (HAL_UARTEx_DisableFifoMode(&huart3) != HAL_OK)

	{

		Error_Handler();

	}

	/* USER CODE BEGIN USART3_Init 2 */
 
	/* USER CODE END USART3_Init 2 */
 
}
 
/**

* @brief USB_OTG_HS Initialization Function

* @param None

* @retval None

*/

static void MX_USB_OTG_HS_USB_Init(void)

{
 
	/* USER CODE BEGIN USB_OTG_HS_Init 0 */
 
	/* USER CODE END USB_OTG_HS_Init 0 */
 
	/* USER CODE BEGIN USB_OTG_HS_Init 1 */
 
	/* USER CODE END USB_OTG_HS_Init 1 */

	/* USER CODE BEGIN USB_OTG_HS_Init 2 */
 
	/* USER CODE END USB_OTG_HS_Init 2 */
 
}
 
/**

* @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_GPIOC_CLK_ENABLE();

	__HAL_RCC_GPIOF_CLK_ENABLE();

	__HAL_RCC_GPIOH_CLK_ENABLE();

	__HAL_RCC_GPIOB_CLK_ENABLE();

	__HAL_RCC_GPIOD_CLK_ENABLE();

	__HAL_RCC_GPIOG_CLK_ENABLE();

	__HAL_RCC_GPIOA_CLK_ENABLE();

	__HAL_RCC_GPIOE_CLK_ENABLE();
 
	/*Configure GPIO pin Output Level */

	HAL_GPIO_WritePin(USB_FS_PWR_EN_GPIO_Port, USB_FS_PWR_EN_Pin, GPIO_PIN_RESET);
 
	/*Configure GPIO pin Output Level */

	HAL_GPIO_WritePin(GPIOB, LD1_Pin|LD3_Pin, GPIO_PIN_RESET);
 
	/*Configure GPIO pin Output Level */

	HAL_GPIO_WritePin(GPIOE, GPIO_PIN_1, GPIO_PIN_RESET);
 
	/*Configure GPIO pin : B1_Pin */

	GPIO_InitStruct.Pin = B1_Pin;

	GPIO_InitStruct.Mode = GPIO_MODE_INPUT;

	GPIO_InitStruct.Pull = GPIO_NOPULL;

	HAL_GPIO_Init(B1_GPIO_Port, &GPIO_InitStruct);
 
	/*Configure GPIO pin : USB_FS_PWR_EN_Pin */

	GPIO_InitStruct.Pin = USB_FS_PWR_EN_Pin;

	GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;

	GPIO_InitStruct.Pull = GPIO_NOPULL;

	GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;

	HAL_GPIO_Init(USB_FS_PWR_EN_GPIO_Port, &GPIO_InitStruct);
 
	/*Configure GPIO pins : LD1_Pin LD3_Pin */

	GPIO_InitStruct.Pin = LD1_Pin|LD3_Pin;

	GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;

	GPIO_InitStruct.Pull = GPIO_NOPULL;

	GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;

	HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
 
	/*Configure GPIO pin : USB_FS_OVCR_Pin */

	GPIO_InitStruct.Pin = USB_FS_OVCR_Pin;

	GPIO_InitStruct.Mode = GPIO_MODE_IT_RISING;

	GPIO_InitStruct.Pull = GPIO_NOPULL;

	HAL_GPIO_Init(USB_FS_OVCR_GPIO_Port, &GPIO_InitStruct);
 
	/*Configure GPIO pin : USB_FS_VBUS_Pin */

	GPIO_InitStruct.Pin = USB_FS_VBUS_Pin;

	GPIO_InitStruct.Mode = GPIO_MODE_INPUT;

	GPIO_InitStruct.Pull = GPIO_NOPULL;

	HAL_GPIO_Init(USB_FS_VBUS_GPIO_Port, &GPIO_InitStruct);
 
	/*Configure GPIO pin : USB_FS_ID_Pin */

	GPIO_InitStruct.Pin = USB_FS_ID_Pin;

	GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;

	GPIO_InitStruct.Pull = GPIO_NOPULL;

	GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;

	GPIO_InitStruct.Alternate = GPIO_AF10_OTG1_HS;

	HAL_GPIO_Init(USB_FS_ID_GPIO_Port, &GPIO_InitStruct);
 
	/*Configure GPIO pins : USB_FS_N_Pin USB_FS_P_Pin */

	GPIO_InitStruct.Pin = USB_FS_N_Pin|USB_FS_P_Pin;

	GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;

	GPIO_InitStruct.Pull = GPIO_NOPULL;

	GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;

	HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
 
	/*Configure GPIO pin : PE1 */

	GPIO_InitStruct.Pin = GPIO_PIN_1;

	GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;

	GPIO_InitStruct.Pull = GPIO_NOPULL;

	GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;

	HAL_GPIO_Init(GPIOE, &GPIO_InitStruct);
 
}
 
/* USER CODE BEGIN 4 */

/*Uart3 transmit function*/

void UART3_Transmit_Data(uint8_t *Data,uint16_t length){
 
 
	HAL_UART_Transmit(&huart3,Data,length,10); //UART Transmit Api call
 
}

/* 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 */
 
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