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227 lines
7.8 KiB
C
227 lines
7.8 KiB
C
/**
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******************************************************************************
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* @file main.c
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* @author MCU Application Team
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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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* <h2><center>© Copyright (c) 2023 Puya Semiconductor Co.
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* All rights reserved.</center></h2>
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*
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* This software component is licensed by Puya under BSD 3-Clause license,
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* the "License"; You may not use this file except in compliance with the
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* License. You may obtain a copy of the License at:
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* opensource.org/licenses/BSD-3-Clause
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*
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******************************************************************************
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* @attention
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*
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* <h2><center>© Copyright (c) 2016 STMicroelectronics.
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* All rights reserved.</center></h2>
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*
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* This software component is licensed by ST under BSD 3-Clause license,
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* the "License"; You may not use this file except in compliance with the
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* License. You may obtain a copy of the License at:
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* opensource.org/licenses/BSD-3-Clause
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*
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******************************************************************************
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*/
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/* Includes ------------------------------------------------------------------*/
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#include "main.h"
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/* Private define ------------------------------------------------------------*/
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/* Private variables ---------------------------------------------------------*/
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CANFD_HandleTypeDef CanfdHandle;
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CANFD_FilterTypeDef CanfdFilter;
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CANFD_TxHeaderTypeDef CanfdTxHeader;
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uint8_t TxData[64] = {0};
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CANFD_RxHeaderTypeDef CanfdRxHeader;
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uint8_t RxData[64] = {0};
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uint8_t DLCtoBytes[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 12, 16, 20, 24, 32, 48, 64};
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/* Private user code ---------------------------------------------------------*/
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/* Private macro -------------------------------------------------------------*/
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/* Private function prototypes -----------------------------------------------*/
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static void APP_SystemClockConfig(void);
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/**
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* @brief Main program.
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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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uint32_t i = 0;
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/* Reset of all peripherals, Initializes the Systick. */
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HAL_Init();
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/* Configure system clock */
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APP_SystemClockConfig();
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/* Initialize debug USART (used for printf) */
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BSP_USART_Config();
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/* Initialize CANFD */
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CanfdHandle.Instance = CANFD;
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CanfdHandle.Init.FrameFormat = CANFD_FRAME_FD_NO_BRS;
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CanfdHandle.Init.Mode = CANFD_MODE_NORMAL;
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CanfdHandle.Init.CANFDProtocol = CANFD_FD_ISO_11898;
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CanfdHandle.Init.Prescaler = 1U;
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CanfdHandle.Init.NominalSyncJumpWidth = 8U;/* 500KHz */
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CanfdHandle.Init.NominalTimeSeg1 = 32U;
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CanfdHandle.Init.NominalTimeSeg2 = 8U;
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CanfdHandle.Init.DataSyncJumpWidth = 8U;/* 500KHz */
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CanfdHandle.Init.DataTimeSeg1 = 32U;
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CanfdHandle.Init.DataTimeSeg2 = 8U;
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CanfdHandle.Init.SecondSamplePointOffset = 0U;
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if (HAL_CANFD_Init(&CanfdHandle) != HAL_OK)
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{
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APP_ErrorHandler();
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}
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/* Configure CANFD Filter */
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CanfdFilter.IdType = CANFD_STANDARD_ID;
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CanfdFilter.FilterChannel = CANFD_FILTER_CHANNEL_0;
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CanfdFilter.Rank = CANFD_FILTER_RANK_CHANNEL_NUMBER;
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CanfdFilter.FilterID = 0x12F;
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CanfdFilter.FilterFormat = 0xFFFFFFFF;
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CanfdFilter.MaskID = 0x0; /* When receiving, only the high 11 bits of the ID are compared */
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CanfdFilter.MaskFormat = 0xFFFFFFFF;
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if (HAL_CANFD_ConfigFilter(&CanfdHandle, &CanfdFilter) != HAL_OK)
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{
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APP_ErrorHandler();
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}
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/* Start CANFD */
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if (HAL_CANFD_Start(&CanfdHandle) != HAL_OK)
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{
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APP_ErrorHandler();
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}
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/* Add message to PTB */
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CanfdTxHeader.Identifier = 0x125;
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CanfdTxHeader.IdType = CANFD_STANDARD_ID;
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CanfdTxHeader.TxFrameType = CANFD_DATA_FRAME;
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CanfdTxHeader.FrameFormat = CANFD_FRAME_FD_NO_BRS;
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CanfdTxHeader.Handle = 0x0;
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CanfdTxHeader.DataLength = CANFD_DLC_BYTES_64;
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for (i = 0; i <64; i++)
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{
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TxData[i] = i;
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}
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if (HAL_CANFD_AddMessageToTxFifo(&CanfdHandle, &CanfdTxHeader, TxData, CANFD_TX_FIFO_PTB) != HAL_OK)
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{
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APP_ErrorHandler();
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}
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/* Enable PTB transmission */
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if (HAL_CANFD_ActivateTxRequest(&CanfdHandle, CANFD_TXFIFO_PTB_SEND) != HAL_OK)
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{
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APP_ErrorHandler();
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}
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/* Waiting for reception to complete */
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while (__HAL_CANFD_GET_RX_FIFO_FILL_LEVEL(&CanfdHandle) == CANFD_RX_FIFO_EMPTY)
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{
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}
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/* Read received data */
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if (HAL_CANFD_GetRxMessage(&CanfdHandle, &CanfdRxHeader, RxData) != HAL_OK)
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{
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APP_ErrorHandler();
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}
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/* Print received data */
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printf("decimal data length: %d\r\n", DLCtoBytes[CanfdRxHeader.DataLength]);
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printf("hexadecimal data: \r\n");
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for (i = 0; i < DLCtoBytes[CanfdRxHeader.DataLength]; i++)
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{
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printf("%x ", RxData[i]);
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}
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/* infinite loop */
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while (1)
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{
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}
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}
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/**
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* @brief System Clock Configuration
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* @param None
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* @retval None
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*/
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static void APP_SystemClockConfig(void)
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{
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RCC_OscInitTypeDef OscInitstruct = {0};
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RCC_ClkInitTypeDef ClkInitstruct = {0};
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OscInitstruct.OscillatorType = RCC_OSCILLATORTYPE_HSE | RCC_OSCILLATORTYPE_HSI | RCC_OSCILLATORTYPE_LSE |
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RCC_OSCILLATORTYPE_LSI | RCC_OSCILLATORTYPE_HSI48M;
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OscInitstruct.HSEState = RCC_HSE_ON; /* Enable HSE */
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OscInitstruct.HSEFreq = RCC_HSE_16_32MHz; /* HSE frequency of 16-32MHz */
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OscInitstruct.HSI48MState = RCC_HSI48M_OFF; /* Close HSI48M */
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OscInitstruct.HSIState = RCC_HSI_ON; /* Enable HSI */
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OscInitstruct.LSEState = RCC_LSE_OFF; /* Close LSE */
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/* OscInitstruct.LSEDriver = RCC_LSEDRIVE_HIGH; */ /* Drive capability level: high */
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OscInitstruct.LSIState = RCC_LSI_OFF; /* Close LSI */
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OscInitstruct.PLL.PLLState = RCC_PLL_OFF; /* Close PLL */
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/* OscInitstruct.PLL.PLLSource = RCC_PLLSOURCE_HSE; */ /* PLL clock source selection HSE */
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/* OscInitstruct.PLL.PLLMUL = RCC_PLL_MUL6; */ /* PLL clock source 6-fold frequency */
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/* Configure oscillator */
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if(HAL_RCC_OscConfig(&OscInitstruct) != HAL_OK)
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{
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APP_ErrorHandler();
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}
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ClkInitstruct.ClockType = RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2;
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ClkInitstruct.SYSCLKSource = RCC_SYSCLKSOURCE_HSE; /* System clock selection HSE */
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ClkInitstruct.AHBCLKDivider = RCC_SYSCLK_DIV1; /* AHB clock 1 division */
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ClkInitstruct.APB1CLKDivider = RCC_HCLK_DIV1; /* APB1 clock 1 division */
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ClkInitstruct.APB2CLKDivider = RCC_HCLK_DIV2; /* APB2 clock 2 division */
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/* Configure Clock */
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if(HAL_RCC_ClockConfig(&ClkInitstruct, FLASH_LATENCY_0) != HAL_OK)
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{
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APP_ErrorHandler();
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}
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}
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/**
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* @brief This function is executed in case of error occurrence.
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* @param None
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* @retval None
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*/
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void APP_ErrorHandler(void)
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{
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/* Infinite loop */
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while (1)
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{
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}
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}
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#ifdef USE_FULL_ASSERT
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/**
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* @brief Reports the name of the source file and the source line number
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* where the assert_param error has occurred.
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* @param file: pointer to the source file name
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* @param line: assert_param error line source number
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* @retval None
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*/
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void assert_failed(uint8_t *file, uint32_t line)
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{
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/* User can add his own implementation to report the file name and line number,
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for example: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
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/* Infinite loop */
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while (1)
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{
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}
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}
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#endif /* USE_FULL_ASSERT */
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/************************ (C) COPYRIGHT Puya *****END OF FILE******************/
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