119 lines
3 KiB
C
119 lines
3 KiB
C
/* USER CODE BEGIN Header */
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/**
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******************************************************************************
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* @file can.c
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* @brief This file provides code for the configuration
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* of the CAN instances.
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******************************************************************************
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* @attention
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*
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* Copyright (c) 2025 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 "can.h"
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/* USER CODE BEGIN 0 */
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/* USER CODE END 0 */
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CAN_HandleTypeDef hcan2;
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/* CAN2 init function */
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void MX_CAN2_Init(void)
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{
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/* USER CODE BEGIN CAN2_Init 0 */
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/* USER CODE END CAN2_Init 0 */
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/* USER CODE BEGIN CAN2_Init 1 */
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/* USER CODE END CAN2_Init 1 */
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hcan2.Instance = CAN2;
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hcan2.Init.Prescaler = 3;
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hcan2.Init.Mode = CAN_MODE_NORMAL;
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hcan2.Init.SyncJumpWidth = CAN_SJW_1TQ;
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hcan2.Init.TimeSeg1 = CAN_BS1_12TQ;
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hcan2.Init.TimeSeg2 = CAN_BS2_2TQ;
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hcan2.Init.TimeTriggeredMode = DISABLE;
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hcan2.Init.AutoBusOff = DISABLE;
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hcan2.Init.AutoWakeUp = DISABLE;
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hcan2.Init.AutoRetransmission = DISABLE;
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hcan2.Init.ReceiveFifoLocked = DISABLE;
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hcan2.Init.TransmitFifoPriority = DISABLE;
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if (HAL_CAN_Init(&hcan2) != HAL_OK)
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{
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Error_Handler();
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}
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/* USER CODE BEGIN CAN2_Init 2 */
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/* USER CODE END CAN2_Init 2 */
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}
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void HAL_CAN_MspInit(CAN_HandleTypeDef* canHandle)
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{
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GPIO_InitTypeDef GPIO_InitStruct = {0};
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if(canHandle->Instance==CAN2)
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{
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/* USER CODE BEGIN CAN2_MspInit 0 */
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/* USER CODE END CAN2_MspInit 0 */
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/* CAN2 clock enable */
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__HAL_RCC_CAN2_CLK_ENABLE();
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__HAL_RCC_CAN1_CLK_ENABLE();
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__HAL_RCC_GPIOB_CLK_ENABLE();
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/**CAN2 GPIO Configuration
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PB12 ------> CAN2_RX
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PB13 ------> CAN2_TX
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*/
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GPIO_InitStruct.Pin = GPIO_PIN_12|GPIO_PIN_13;
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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_VERY_HIGH;
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GPIO_InitStruct.Alternate = GPIO_AF9_CAN2;
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HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
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/* USER CODE BEGIN CAN2_MspInit 1 */
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/* USER CODE END CAN2_MspInit 1 */
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}
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}
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void HAL_CAN_MspDeInit(CAN_HandleTypeDef* canHandle)
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{
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if(canHandle->Instance==CAN2)
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{
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/* USER CODE BEGIN CAN2_MspDeInit 0 */
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/* USER CODE END CAN2_MspDeInit 0 */
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/* Peripheral clock disable */
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__HAL_RCC_CAN2_CLK_DISABLE();
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__HAL_RCC_CAN1_CLK_DISABLE();
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/**CAN2 GPIO Configuration
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PB12 ------> CAN2_RX
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PB13 ------> CAN2_TX
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*/
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HAL_GPIO_DeInit(GPIOB, GPIO_PIN_12|GPIO_PIN_13);
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/* USER CODE BEGIN CAN2_MspDeInit 1 */
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/* USER CODE END CAN2_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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