182 lines
5.0 KiB
C
182 lines
5.0 KiB
C
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/* USER CODE BEGIN Header */
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/**
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******************************************************************************
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* File Name : stm32f2xx_hal_msp.c
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* Description : This file provides code for the MSP Initialization
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* and de-Initialization codes.
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******************************************************************************
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* @attention
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*
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* <h2><center>© Copyright (c) 2020 STMicroelectronics.
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* All rights reserved.</center></h2>
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*
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* This software component is licensed by ST under BSD 3-Clause license,
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* the "License"; You may not use this file except in compliance with the
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* License. You may obtain a copy of the License at:
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* opensource.org/licenses/BSD-3-Clause
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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 "main.h"
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/* USER CODE BEGIN Includes */
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#include "stm32f2xx_ll_rcc.h"
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/* USER CODE END Includes */
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/* Private typedef -----------------------------------------------------------*/
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/* USER CODE BEGIN TD */
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/* USER CODE END TD */
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/* Private define ------------------------------------------------------------*/
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/* USER CODE BEGIN Define */
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/* USER CODE END Define */
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/* Private macro -------------------------------------------------------------*/
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/* USER CODE BEGIN Macro */
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/* USER CODE END Macro */
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/* Private variables ---------------------------------------------------------*/
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/* USER CODE BEGIN PV */
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/* USER CODE END PV */
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/* Private function prototypes -----------------------------------------------*/
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/* USER CODE BEGIN PFP */
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/* USER CODE END PFP */
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/* External functions --------------------------------------------------------*/
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/* USER CODE BEGIN ExternalFunctions */
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/* USER CODE END ExternalFunctions */
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/* USER CODE BEGIN 0 */
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/* USER CODE END 0 */
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/**
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* Initializes the Global MSP.
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*/
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void HAL_MspInit(void)
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{
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/* USER CODE BEGIN MspInit 0 */
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/* USER CODE END MspInit 0 */
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__HAL_RCC_SYSCFG_CLK_ENABLE();
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__HAL_RCC_PWR_CLK_ENABLE();
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/* System interrupt init*/
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/* USER CODE BEGIN MspInit 1 */
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/* USER CODE END MspInit 1 */
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}
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/**
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* @brief CAN MSP Initialization
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* This function configures the hardware resources used in this example
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* @param hcan: CAN handle pointer
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* @retval None
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*/
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void HAL_CAN_MspInit(CAN_HandleTypeDef* hcan)
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{
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GPIO_InitTypeDef GPIO_InitStruct = {0};
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if(hcan->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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/* Peripheral clock enable */
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__HAL_RCC_CAN1_CLK_ENABLE();
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__HAL_RCC_GPIOB_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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/* 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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/**
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* @brief CAN MSP De-Initialization
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* This function freeze the hardware resources used in this example
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* @param hcan: CAN handle pointer
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* @retval None
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*/
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void HAL_CAN_MspDeInit(CAN_HandleTypeDef* hcan)
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{
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if(hcan->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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/* 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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/**
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* De-Initializes the Global MSP.
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*/
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void HAL_MspDeInit(void)
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{
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/* Reset the RCC clock configuration to the default reset state. */
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LL_RCC_DeInit();
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/* Reset GPIO pin for the LED to turn it off. */
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LL_GPIO_ResetOutputPin(GPIOF, LL_GPIO_PIN_8);
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/* Deinit used GPIOs. */
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LL_GPIO_DeInit(GPIOF);
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LL_GPIO_DeInit(GPIOD);
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LL_GPIO_DeInit(GPIOC);
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LL_GPIO_DeInit(GPIOB);
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/* CAN clock disable. */
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LL_APB1_GRP1_DisableClock(LL_APB1_GRP1_PERIPH_CAN1);
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/* UART clock disable. */
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LL_APB1_GRP1_DisableClock(LL_APB1_GRP1_PERIPH_USART3);
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/* GPIO ports clock disable. */
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LL_AHB1_GRP1_DisableClock(LL_AHB1_GRP1_PERIPH_GPIOF);
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LL_AHB1_GRP1_DisableClock(LL_AHB1_GRP1_PERIPH_GPIOD);
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LL_AHB1_GRP1_DisableClock(LL_AHB1_GRP1_PERIPH_GPIOC);
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LL_AHB1_GRP1_DisableClock(LL_AHB1_GRP1_PERIPH_GPIOB);
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/* PWR clock disable. */
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LL_APB1_GRP1_DisableClock(LL_APB1_GRP1_PERIPH_PWR);
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/* SYSCFG clock disable. */
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LL_APB2_GRP1_DisableClock(LL_APB2_GRP1_PERIPH_SYSCFG);
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}
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/* USER CODE END 1 */
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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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