70 lines
2.4 KiB
C
70 lines
2.4 KiB
C
/**
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******************************************************************************
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* @file py32f0xx_hal_msp.c
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* @author MCU Application Team
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* @brief 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) Puya Semiconductor Co.
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* All rights reserved.</center></h2>
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*
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* <h2><center>© Copyright (c) 2016 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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/* Includes ------------------------------------------------------------------*/
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#include "main.h"
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/* Private typedef -----------------------------------------------------------*/
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/* Private define ------------------------------------------------------------*/
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/* Private macro -------------------------------------------------------------*/
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/* Private variables ---------------------------------------------------------*/
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/* Private function prototypes -----------------------------------------------*/
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/* External functions --------------------------------------------------------*/
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/**
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* @brief 初始化全局MSP
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*/
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void HAL_MspInit(void)
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{
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__HAL_RCC_SYSCFG_CLK_ENABLE();
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__HAL_RCC_PWR_CLK_ENABLE();
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}
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/**
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* @brief 初始化USART的MSP
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*/
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void HAL_UART_MspInit(UART_HandleTypeDef *huart)
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{
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/* 使能时钟 */
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__HAL_RCC_USART2_CLK_ENABLE();
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__HAL_RCC_GPIOA_CLK_ENABLE();
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/**USART2引脚配置
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PA9 ------> USART1_TX
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PA10 ------> USART1_RX
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*/
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GPIO_InitTypeDef GPIO_InitStruct;
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GPIO_InitStruct.Pin = GPIO_PIN_9 | GPIO_PIN_10;
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GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
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GPIO_InitStruct.Pull = GPIO_PULLUP;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
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GPIO_InitStruct.Alternate = GPIO_AF4_USART2;
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HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
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/* 使能NVIC */
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HAL_NVIC_SetPriority(USART2_IRQn, 0, 1);
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HAL_NVIC_EnableIRQ(USART2_IRQn);
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}
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/************************ (C) COPYRIGHT Puya *****END OF FILE******************/
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