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159 lines
4.4 KiB
159 lines
4.4 KiB
/* 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) 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 "fdcan.h"
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/* USER CODE BEGIN 0 */
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/* USER CODE END 0 */
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FDCAN_HandleTypeDef hfdcan2;
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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.FrameFormat = FDCAN_FRAME_FD_NO_BRS;
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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 = 10;
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hfdcan2.Init.NominalSyncJumpWidth = 1;
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hfdcan2.Init.NominalTimeSeg1 = 5;
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hfdcan2.Init.NominalTimeSeg2 = 2;
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hfdcan2.Init.DataPrescaler = 10;
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hfdcan2.Init.DataSyncJumpWidth = 1;
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hfdcan2.Init.DataTimeSeg1 = 5;
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hfdcan2.Init.DataTimeSeg2 = 2;
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hfdcan2.Init.MessageRAMOffset = 0;
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hfdcan2.Init.StdFiltersNbr = 0;
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hfdcan2.Init.ExtFiltersNbr = 0;
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hfdcan2.Init.RxFifo0ElmtsNbr = 32;
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hfdcan2.Init.RxFifo0ElmtSize = FDCAN_DATA_BYTES_64;
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hfdcan2.Init.RxFifo1ElmtsNbr = 0;
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hfdcan2.Init.RxFifo1ElmtSize = FDCAN_DATA_BYTES_64;
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hfdcan2.Init.RxBuffersNbr = 0;
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hfdcan2.Init.RxBufferSize = FDCAN_DATA_BYTES_64;
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hfdcan2.Init.TxEventsNbr = 0;
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hfdcan2.Init.TxBuffersNbr = 0;
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hfdcan2.Init.TxFifoQueueElmtsNbr = 32;
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hfdcan2.Init.TxFifoQueueMode = FDCAN_TX_FIFO_OPERATION;
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hfdcan2.Init.TxElmtSize = FDCAN_DATA_BYTES_64;
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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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if (HAL_FDCAN_ActivateNotification(&hfdcan2, FDCAN_IT_RX_FIFO0_NEW_MESSAGE, 0) != HAL_OK)
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{
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Error_Handler();
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}
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if (HAL_FDCAN_ActivateNotification(&hfdcan2, FDCAN_IT_BUS_OFF, 0) != HAL_OK)
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{
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Error_Handler();
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}
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HAL_FDCAN_Start(&hfdcan2);
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/* USER CODE END FDCAN2_Init 2 */
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}
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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 PeriphClkInitStruct = {0};
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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 clock
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*/
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PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_FDCAN;
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PeriphClkInitStruct.FdcanClockSelection = RCC_FDCANCLKSOURCE_PLL;
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if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != 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_ENABLE();
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__HAL_RCC_GPIOB_CLK_ENABLE();
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/**FDCAN2 GPIO Configuration
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PB5 ------> FDCAN2_RX
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PB6 ------> FDCAN2_TX
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*/
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GPIO_InitStruct.Pin = GPIO_PIN_5|GPIO_PIN_6;
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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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/* FDCAN2 interrupt Init */
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HAL_NVIC_SetPriority(FDCAN2_IT0_IRQn, 0, 0);
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HAL_NVIC_EnableIRQ(FDCAN2_IT0_IRQn);
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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==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_DISABLE();
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/**FDCAN2 GPIO Configuration
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PB5 ------> FDCAN2_RX
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PB6 ------> FDCAN2_TX
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*/
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HAL_GPIO_DeInit(GPIOB, GPIO_PIN_5|GPIO_PIN_6);
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/* FDCAN2 interrupt Deinit */
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HAL_NVIC_DisableIRQ(FDCAN2_IT0_IRQn);
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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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