/* USER CODE BEGIN Header */ /** ****************************************************************************** * @file fdcan.c * @brief This file provides code for the configuration * of the FDCAN instances. ****************************************************************************** * @attention * * Copyright (c) 2024 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; FDCAN_HandleTypeDef hfdcan2; /* 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 = 16; hfdcan1.Init.NominalSyncJumpWidth = 1; hfdcan1.Init.NominalTimeSeg1 = 2; hfdcan1.Init.NominalTimeSeg2 = 2; 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 */ } /* FDCAN2 init function */ void MX_FDCAN2_Init(void) { /* USER CODE BEGIN FDCAN2_Init 0 */ /* USER CODE END FDCAN2_Init 0 */ /* USER CODE BEGIN FDCAN2_Init 1 */ /* USER CODE END FDCAN2_Init 1 */ hfdcan2.Instance = FDCAN2; hfdcan2.Init.ClockDivider = FDCAN_CLOCK_DIV1; hfdcan2.Init.FrameFormat = FDCAN_FRAME_CLASSIC; hfdcan2.Init.Mode = FDCAN_MODE_NORMAL; hfdcan2.Init.AutoRetransmission = DISABLE; hfdcan2.Init.TransmitPause = DISABLE; hfdcan2.Init.ProtocolException = DISABLE; hfdcan2.Init.NominalPrescaler = 16; hfdcan2.Init.NominalSyncJumpWidth = 1; hfdcan2.Init.NominalTimeSeg1 = 2; hfdcan2.Init.NominalTimeSeg2 = 2; hfdcan2.Init.DataPrescaler = 1; hfdcan2.Init.DataSyncJumpWidth = 1; hfdcan2.Init.DataTimeSeg1 = 1; hfdcan2.Init.DataTimeSeg2 = 1; hfdcan2.Init.StdFiltersNbr = 0; hfdcan2.Init.ExtFiltersNbr = 0; hfdcan2.Init.TxFifoQueueMode = FDCAN_TX_FIFO_OPERATION; if (HAL_FDCAN_Init(&hfdcan2) != HAL_OK) { Error_Handler(); } /* USER CODE BEGIN FDCAN2_Init 2 */ /* USER CODE END FDCAN2_Init 2 */ } static uint32_t HAL_RCC_FDCAN_CLK_ENABLED=0; 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_ENABLED++; if(HAL_RCC_FDCAN_CLK_ENABLED==1){ __HAL_RCC_FDCAN_CLK_ENABLE(); } __HAL_RCC_GPIOA_CLK_ENABLE(); /**FDCAN1 GPIO Configuration PA11 ------> FDCAN1_RX PA12 ------> FDCAN1_TX */ GPIO_InitStruct.Pin = GPIO_PIN_11|GPIO_PIN_12; 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); /* USER CODE BEGIN FDCAN1_MspInit 1 */ /* USER CODE END FDCAN1_MspInit 1 */ } else if(fdcanHandle->Instance==FDCAN2) { /* USER CODE BEGIN FDCAN2_MspInit 0 */ /* USER CODE END FDCAN2_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(); } /* FDCAN2 clock enable */ HAL_RCC_FDCAN_CLK_ENABLED++; if(HAL_RCC_FDCAN_CLK_ENABLED==1){ __HAL_RCC_FDCAN_CLK_ENABLE(); } __HAL_RCC_GPIOB_CLK_ENABLE(); /**FDCAN2 GPIO Configuration PB12 ------> FDCAN2_RX PB6 ------> FDCAN2_TX */ GPIO_InitStruct.Pin = GPIO_PIN_12|GPIO_PIN_6; GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; GPIO_InitStruct.Pull = GPIO_NOPULL; GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW; GPIO_InitStruct.Alternate = GPIO_AF9_FDCAN2; HAL_GPIO_Init(GPIOB, &GPIO_InitStruct); /* USER CODE BEGIN FDCAN2_MspInit 1 */ /* USER CODE END FDCAN2_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_ENABLED--; if(HAL_RCC_FDCAN_CLK_ENABLED==0){ __HAL_RCC_FDCAN_CLK_DISABLE(); } /**FDCAN1 GPIO Configuration PA11 ------> FDCAN1_RX PA12 ------> FDCAN1_TX */ HAL_GPIO_DeInit(GPIOA, GPIO_PIN_11|GPIO_PIN_12); /* USER CODE BEGIN FDCAN1_MspDeInit 1 */ /* USER CODE END FDCAN1_MspDeInit 1 */ } else if(fdcanHandle->Instance==FDCAN2) { /* USER CODE BEGIN FDCAN2_MspDeInit 0 */ /* USER CODE END FDCAN2_MspDeInit 0 */ /* Peripheral clock disable */ HAL_RCC_FDCAN_CLK_ENABLED--; if(HAL_RCC_FDCAN_CLK_ENABLED==0){ __HAL_RCC_FDCAN_CLK_DISABLE(); } /**FDCAN2 GPIO Configuration PB12 ------> FDCAN2_RX PB6 ------> FDCAN2_TX */ HAL_GPIO_DeInit(GPIOB, GPIO_PIN_12|GPIO_PIN_6); /* USER CODE BEGIN FDCAN2_MspDeInit 1 */ /* USER CODE END FDCAN2_MspDeInit 1 */ } } /* USER CODE BEGIN 1 */ /* USER CODE END 1 */