240 lines
6.4 KiB
C
240 lines
6.4 KiB
C
/* USER CODE BEGIN Header */
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/**
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******************************************************************************
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* @file fdcan.c
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* @brief This file provides code for the configuration
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* of the FDCAN instances.
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******************************************************************************
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* @attention
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*
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* Copyright (c) 2024 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 "fdcan.h"
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/* USER CODE BEGIN 0 */
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/* USER CODE END 0 */
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FDCAN_HandleTypeDef hfdcan1;
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FDCAN_HandleTypeDef hfdcan2;
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/* FDCAN1 init function */
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void MX_FDCAN1_Init(void)
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{
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/* USER CODE BEGIN FDCAN1_Init 0 */
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/* USER CODE END FDCAN1_Init 0 */
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/* USER CODE BEGIN FDCAN1_Init 1 */
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/* USER CODE END FDCAN1_Init 1 */
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hfdcan1.Instance = FDCAN1;
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hfdcan1.Init.ClockDivider = FDCAN_CLOCK_DIV1;
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hfdcan1.Init.FrameFormat = FDCAN_FRAME_CLASSIC;
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hfdcan1.Init.Mode = FDCAN_MODE_NORMAL;
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hfdcan1.Init.AutoRetransmission = ENABLE;
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hfdcan1.Init.TransmitPause = DISABLE;
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hfdcan1.Init.ProtocolException = DISABLE;
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hfdcan1.Init.NominalPrescaler = 32;
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hfdcan1.Init.NominalSyncJumpWidth = 1;
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hfdcan1.Init.NominalTimeSeg1 = 2;
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hfdcan1.Init.NominalTimeSeg2 = 2;
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hfdcan1.Init.DataPrescaler = 32;
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hfdcan1.Init.DataSyncJumpWidth = 1;
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hfdcan1.Init.DataTimeSeg1 = 2;
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hfdcan1.Init.DataTimeSeg2 = 2;
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hfdcan1.Init.StdFiltersNbr = 0;
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hfdcan1.Init.ExtFiltersNbr = 0;
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hfdcan1.Init.TxFifoQueueMode = FDCAN_TX_FIFO_OPERATION;
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if (HAL_FDCAN_Init(&hfdcan1) != HAL_OK)
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{
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Error_Handler();
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}
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/* USER CODE BEGIN FDCAN1_Init 2 */
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/* USER CODE END FDCAN1_Init 2 */
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}
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/* FDCAN2 init function */
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void MX_FDCAN2_Init(void)
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{
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/* USER CODE BEGIN FDCAN2_Init 0 */
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/* USER CODE END FDCAN2_Init 0 */
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/* USER CODE BEGIN FDCAN2_Init 1 */
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/* USER CODE END FDCAN2_Init 1 */
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hfdcan2.Instance = FDCAN2;
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hfdcan2.Init.ClockDivider = FDCAN_CLOCK_DIV1;
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hfdcan2.Init.FrameFormat = FDCAN_FRAME_CLASSIC;
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hfdcan2.Init.Mode = FDCAN_MODE_NORMAL;
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hfdcan2.Init.AutoRetransmission = DISABLE;
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hfdcan2.Init.TransmitPause = DISABLE;
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hfdcan2.Init.ProtocolException = DISABLE;
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hfdcan2.Init.NominalPrescaler = 32;
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hfdcan2.Init.NominalSyncJumpWidth = 1;
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hfdcan2.Init.NominalTimeSeg1 = 2;
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hfdcan2.Init.NominalTimeSeg2 = 2;
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hfdcan2.Init.DataPrescaler = 32;
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hfdcan2.Init.DataSyncJumpWidth = 1;
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hfdcan2.Init.DataTimeSeg1 = 2;
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hfdcan2.Init.DataTimeSeg2 = 2;
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hfdcan2.Init.StdFiltersNbr = 0;
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hfdcan2.Init.ExtFiltersNbr = 0;
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hfdcan2.Init.TxFifoQueueMode = FDCAN_TX_FIFO_OPERATION;
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if (HAL_FDCAN_Init(&hfdcan2) != HAL_OK)
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{
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Error_Handler();
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}
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/* USER CODE BEGIN FDCAN2_Init 2 */
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/* USER CODE END FDCAN2_Init 2 */
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}
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static uint32_t HAL_RCC_FDCAN_CLK_ENABLED=0;
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void HAL_FDCAN_MspInit(FDCAN_HandleTypeDef* fdcanHandle)
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{
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GPIO_InitTypeDef GPIO_InitStruct = {0};
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RCC_PeriphCLKInitTypeDef PeriphClkInit = {0};
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if(fdcanHandle->Instance==FDCAN1)
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{
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/* USER CODE BEGIN FDCAN1_MspInit 0 */
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/* USER CODE END FDCAN1_MspInit 0 */
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/** Initializes the peripherals clocks
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*/
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PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_FDCAN;
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PeriphClkInit.FdcanClockSelection = RCC_FDCANCLKSOURCE_PCLK1;
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if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK)
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{
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Error_Handler();
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}
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/* FDCAN1 clock enable */
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HAL_RCC_FDCAN_CLK_ENABLED++;
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if(HAL_RCC_FDCAN_CLK_ENABLED==1){
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__HAL_RCC_FDCAN_CLK_ENABLE();
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}
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__HAL_RCC_GPIOA_CLK_ENABLE();
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/**FDCAN1 GPIO Configuration
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PA11 ------> FDCAN1_RX
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PA12 ------> FDCAN1_TX
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*/
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GPIO_InitStruct.Pin = EXT_CAN_RX_Pin|EXT_CAN_TX_Pin;
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GPIO_InitStruct.Mode = GPIO_MODE_AF_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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GPIO_InitStruct.Alternate = GPIO_AF9_FDCAN1;
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HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
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/* USER CODE BEGIN FDCAN1_MspInit 1 */
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/* USER CODE END FDCAN1_MspInit 1 */
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}
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else if(fdcanHandle->Instance==FDCAN2)
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{
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/* USER CODE BEGIN FDCAN2_MspInit 0 */
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/* USER CODE END FDCAN2_MspInit 0 */
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/** Initializes the peripherals clocks
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*/
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PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_FDCAN;
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PeriphClkInit.FdcanClockSelection = RCC_FDCANCLKSOURCE_PCLK1;
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if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK)
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{
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Error_Handler();
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}
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/* FDCAN2 clock enable */
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HAL_RCC_FDCAN_CLK_ENABLED++;
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if(HAL_RCC_FDCAN_CLK_ENABLED==1){
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__HAL_RCC_FDCAN_CLK_ENABLE();
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}
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__HAL_RCC_GPIOB_CLK_ENABLE();
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/**FDCAN2 GPIO Configuration
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PB12 ------> FDCAN2_RX
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PB13 ------> FDCAN2_TX
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*/
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GPIO_InitStruct.Pin = INT_CAN_RX_Pin|INT_CAN_TX_Pin;
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GPIO_InitStruct.Mode = GPIO_MODE_AF_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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GPIO_InitStruct.Alternate = GPIO_AF9_FDCAN2;
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HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
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/* USER CODE BEGIN FDCAN2_MspInit 1 */
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/* USER CODE END FDCAN2_MspInit 1 */
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}
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}
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void HAL_FDCAN_MspDeInit(FDCAN_HandleTypeDef* fdcanHandle)
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{
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if(fdcanHandle->Instance==FDCAN1)
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{
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/* USER CODE BEGIN FDCAN1_MspDeInit 0 */
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/* USER CODE END FDCAN1_MspDeInit 0 */
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/* Peripheral clock disable */
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HAL_RCC_FDCAN_CLK_ENABLED--;
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if(HAL_RCC_FDCAN_CLK_ENABLED==0){
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__HAL_RCC_FDCAN_CLK_DISABLE();
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}
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/**FDCAN1 GPIO Configuration
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PA11 ------> FDCAN1_RX
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PA12 ------> FDCAN1_TX
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*/
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HAL_GPIO_DeInit(GPIOA, EXT_CAN_RX_Pin|EXT_CAN_TX_Pin);
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/* USER CODE BEGIN FDCAN1_MspDeInit 1 */
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/* USER CODE END FDCAN1_MspDeInit 1 */
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}
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else if(fdcanHandle->Instance==FDCAN2)
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{
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/* USER CODE BEGIN FDCAN2_MspDeInit 0 */
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/* USER CODE END FDCAN2_MspDeInit 0 */
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/* Peripheral clock disable */
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HAL_RCC_FDCAN_CLK_ENABLED--;
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if(HAL_RCC_FDCAN_CLK_ENABLED==0){
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__HAL_RCC_FDCAN_CLK_DISABLE();
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}
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/**FDCAN2 GPIO Configuration
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PB12 ------> FDCAN2_RX
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PB13 ------> FDCAN2_TX
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*/
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HAL_GPIO_DeInit(GPIOB, INT_CAN_RX_Pin|INT_CAN_TX_Pin);
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/* USER CODE BEGIN FDCAN2_MspDeInit 1 */
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/* USER CODE END FDCAN2_MspDeInit 1 */
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}
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}
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/* USER CODE BEGIN 1 */
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/* USER CODE END 1 */
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