178 lines
5.9 KiB
C
178 lines
5.9 KiB
C
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/**
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******************************************************************************
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* File Name : CAN.c
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* Description : This file provides code for the configuration
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* of the CAN instances.
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******************************************************************************
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* This notice applies to any and all portions of this file
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* that are not between comment pairs USER CODE BEGIN and
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* USER CODE END. Other portions of this file, whether
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* inserted by the user or by software development tools
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* are owned by their respective copyright owners.
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*
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* Copyright (c) 2018 STMicroelectronics International N.V.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted, provided that the following conditions are met:
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*
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* 1. Redistribution of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. Neither the name of STMicroelectronics nor the names of other
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* contributors to this software may be used to endorse or promote products
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* derived from this software without specific written permission.
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* 4. This software, including modifications and/or derivative works of this
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* software, must execute solely and exclusively on microcontroller or
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* microprocessor devices manufactured by or for STMicroelectronics.
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* 5. Redistribution and use of this software other than as permitted under
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* this license is void and will automatically terminate your rights under
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* this license.
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*
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* THIS SOFTWARE IS PROVIDED BY STMICROELECTRONICS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS, IMPLIED OR STATUTORY WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
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* PARTICULAR PURPOSE AND NON-INFRINGEMENT OF THIRD PARTY INTELLECTUAL PROPERTY
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* RIGHTS ARE DISCLAIMED TO THE FULLEST EXTENT PERMITTED BY LAW. IN NO EVENT
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* SHALL STMICROELECTRONICS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
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* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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******************************************************************************
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*/
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/* Includes ------------------------------------------------------------------*/
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#include "can.h"
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#include "gpio.h"
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/* USER CODE BEGIN 0 */
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/* USER CODE END 0 */
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CAN_HandleTypeDef hcan1 = {
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.Instance = CAN1,
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.Init = {
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.Prescaler = 8,
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.Mode = CAN_MODE_NORMAL,
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.SyncJumpWidth = CAN_SJW_4TQ,
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.TimeSeg1 = CAN_BS1_16TQ,
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.TimeSeg2 = CAN_BS2_4TQ,
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.TimeTriggeredMode = DISABLE,
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.AutoBusOff = ENABLE,
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.AutoWakeUp = ENABLE,
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.AutoRetransmission = ENABLE,
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.ReceiveFifoLocked = DISABLE,
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.TransmitFifoPriority = DISABLE,
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}
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};
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/* CAN1 init function */
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//void MX_CAN1_Init(void)
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//{
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//
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// hcan1.Instance = CAN1;
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// hcan1.Init.Prescaler = 8;
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// hcan1.Init.Mode = CAN_MODE_NORMAL;
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// hcan1.Init.SyncJumpWidth = CAN_SJW_4TQ;
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// hcan1.Init.TimeSeg1 = CAN_BS1_16TQ;
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// hcan1.Init.TimeSeg2 = CAN_BS2_4TQ;
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// hcan1.Init.TimeTriggeredMode = DISABLE;
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// hcan1.Init.AutoBusOff = ENABLE;
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// hcan1.Init.AutoWakeUp = ENABLE;
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// hcan1.Init.AutoRetransmission = ENABLE;
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// hcan1.Init.ReceiveFifoLocked = DISABLE;
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// hcan1.Init.TransmitFifoPriority = DISABLE;
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// if (HAL_CAN_Init(&hcan1) != HAL_OK)
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// {
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// _Error_Handler(__FILE__, __LINE__);
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// }
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//
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//}
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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;
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if(canHandle->Instance==CAN1)
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{
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/* USER CODE BEGIN CAN1_MspInit 0 */
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/* USER CODE END CAN1_MspInit 0 */
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/* CAN1 clock enable */
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__HAL_RCC_CAN1_CLK_ENABLE();
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/**CAN1 GPIO Configuration
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PB8 ------> CAN1_RX
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PB9 ------> CAN1_TX
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*/
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GPIO_InitStruct.Pin = GPIO_PIN_8|GPIO_PIN_9;
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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_CAN1;
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HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
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/* CAN1 interrupt Init */
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HAL_NVIC_SetPriority(CAN1_TX_IRQn, 9, 0);
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HAL_NVIC_EnableIRQ(CAN1_TX_IRQn);
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HAL_NVIC_SetPriority(CAN1_RX0_IRQn, 9, 0);
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HAL_NVIC_EnableIRQ(CAN1_RX0_IRQn);
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HAL_NVIC_SetPriority(CAN1_RX1_IRQn, 9, 0);
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HAL_NVIC_EnableIRQ(CAN1_RX1_IRQn);
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HAL_NVIC_SetPriority(CAN1_SCE_IRQn, 9, 0);
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HAL_NVIC_EnableIRQ(CAN1_SCE_IRQn);
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/* USER CODE BEGIN CAN1_MspInit 1 */
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/* USER CODE END CAN1_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==CAN1)
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{
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/* USER CODE BEGIN CAN1_MspDeInit 0 */
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/* USER CODE END CAN1_MspDeInit 0 */
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/* Peripheral clock disable */
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__HAL_RCC_CAN1_CLK_DISABLE();
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/**CAN1 GPIO Configuration
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PB8 ------> CAN1_RX
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PB9 ------> CAN1_TX
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*/
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HAL_GPIO_DeInit(GPIOB, GPIO_PIN_8|GPIO_PIN_9);
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/* CAN1 interrupt Deinit */
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HAL_NVIC_DisableIRQ(CAN1_TX_IRQn);
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HAL_NVIC_DisableIRQ(CAN1_RX0_IRQn);
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HAL_NVIC_DisableIRQ(CAN1_RX1_IRQn);
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HAL_NVIC_DisableIRQ(CAN1_SCE_IRQn);
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/* USER CODE BEGIN CAN1_MspDeInit 1 */
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/* USER CODE END CAN1_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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/**
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* @}
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*/
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/**
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* @}
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*/
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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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