/* USER CODE BEGIN Header */ /** ****************************************************************************** * @file fdcan.c * @brief This file provides code for the configuration * of the FDCAN instances. ****************************************************************************** * @attention * * Copyright (c) 2025 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 "fdcan.h" /* USER CODE BEGIN 0 */ /* USER CODE END 0 */ FDCAN_HandleTypeDef hfdcan1; /* FDCAN1 init function */ 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.ClockDivider = FDCAN_CLOCK_DIV1; hfdcan1.Init.FrameFormat = FDCAN_FRAME_CLASSIC; hfdcan1.Init.Mode = FDCAN_MODE_NORMAL; hfdcan1.Init.AutoRetransmission = DISABLE; hfdcan1.Init.TransmitPause = DISABLE; hfdcan1.Init.ProtocolException = DISABLE; hfdcan1.Init.NominalPrescaler = 2; hfdcan1.Init.NominalSyncJumpWidth = 1; hfdcan1.Init.NominalTimeSeg1 = 8; hfdcan1.Init.NominalTimeSeg2 = 8; hfdcan1.Init.DataPrescaler = 1; hfdcan1.Init.DataSyncJumpWidth = 1; hfdcan1.Init.DataTimeSeg1 = 1; hfdcan1.Init.DataTimeSeg2 = 1; hfdcan1.Init.StdFiltersNbr = 0; hfdcan1.Init.ExtFiltersNbr = 0; hfdcan1.Init.TxFifoQueueMode = FDCAN_TX_FIFO_OPERATION; if (HAL_FDCAN_Init(&hfdcan1) != HAL_OK) { Error_Handler(); } /* USER CODE BEGIN FDCAN1_Init 2 */ /* USER CODE END FDCAN1_Init 2 */ } void HAL_FDCAN_MspInit(FDCAN_HandleTypeDef* fdcanHandle) { GPIO_InitTypeDef GPIO_InitStruct = {0}; RCC_PeriphCLKInitTypeDef PeriphClkInit = {0}; if(fdcanHandle->Instance==FDCAN1) { /* USER CODE BEGIN FDCAN1_MspInit 0 */ /* USER CODE END FDCAN1_MspInit 0 */ /** Initializes the peripherals clocks */ PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_FDCAN; PeriphClkInit.FdcanClockSelection = RCC_FDCANCLKSOURCE_PCLK1; if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK) { Error_Handler(); } /* FDCAN1 clock enable */ __HAL_RCC_FDCAN_CLK_ENABLE(); __HAL_RCC_GPIOA_CLK_ENABLE(); /**FDCAN1 GPIO Configuration PA11 ------> FDCAN1_RX PA12 ------> FDCAN1_TX */ GPIO_InitStruct.Pin = CAN_RX_Pin|CAN_TX_Pin; GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; GPIO_InitStruct.Pull = GPIO_NOPULL; GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW; GPIO_InitStruct.Alternate = GPIO_AF9_FDCAN1; HAL_GPIO_Init(GPIOA, &GPIO_InitStruct); /* FDCAN1 interrupt Init */ HAL_NVIC_SetPriority(FDCAN1_IT0_IRQn, 0, 0); HAL_NVIC_EnableIRQ(FDCAN1_IT0_IRQn); /* USER CODE BEGIN FDCAN1_MspInit 1 */ /* USER CODE END FDCAN1_MspInit 1 */ } } void HAL_FDCAN_MspDeInit(FDCAN_HandleTypeDef* fdcanHandle) { if(fdcanHandle->Instance==FDCAN1) { /* USER CODE BEGIN FDCAN1_MspDeInit 0 */ /* USER CODE END FDCAN1_MspDeInit 0 */ /* Peripheral clock disable */ __HAL_RCC_FDCAN_CLK_DISABLE(); /**FDCAN1 GPIO Configuration PA11 ------> FDCAN1_RX PA12 ------> FDCAN1_TX */ HAL_GPIO_DeInit(GPIOA, CAN_RX_Pin|CAN_TX_Pin); /* FDCAN1 interrupt Deinit */ HAL_NVIC_DisableIRQ(FDCAN1_IT0_IRQn); /* USER CODE BEGIN FDCAN1_MspDeInit 1 */ /* USER CODE END FDCAN1_MspDeInit 1 */ } } /* USER CODE BEGIN 1 */ /* USER CODE END 1 */