71 lines
2.8 KiB
C
71 lines
2.8 KiB
C
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/*******************************************************************************
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* @file main.c
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* @author: MQjehovah mail:MQjehovah@hotmail.com
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* @version 1.0.0
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* @date 2017.5.9
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* @brief
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******************************************************************************
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* @attention
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*******************************************************************************/
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/* Includes ------------------------------------------------------------------*/
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#include "main.h"
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#include "stdio.h"
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/* Definition ----------------------------------------------------------------*/
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/* Functions -----------------------------------------------------------------*/
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/*******************************************************************************
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* @brief 时钟配置
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* @param None
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* @retval None
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* @Note None
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*******************************************************************************/
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void RCC_Config()
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{
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RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA | RCC_APB2Periph_GPIOB | RCC_APB2Periph_GPIOC, ENABLE);
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RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO | RCC_APB2Periph_USART1, ENABLE);
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RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2 | RCC_APB1Periph_TIM3 | RCC_APB1Periph_TIM4, ENABLE);
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}
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/*******************************************************************************
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* @brief 中断优先级配置
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* @param None
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* @retval None
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* @Note None
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*******************************************************************************/
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void NVIC_Config(void) //配置中断优先级
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{
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// NVIC_InitTypeDef NVIC_InitStructure;
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//
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// NVIC_PriorityGroupConfig(NVIC_PriorityGroup_1);
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// NVIC_InitStructure.NVIC_IRQChannel = TIM2_IRQn;
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// NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
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// NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;
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// NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
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// NVIC_Init(&NVIC_InitStructure);
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}
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/*******************************************************************************
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* @brief 主函数
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* @param None
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* @retval None
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* @Note None
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*******************************************************************************/
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int main(void)
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{
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RCC_Config();
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NVIC_Config();
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GPIO_PinRemapConfig(GPIO_Remap_SWJ_JTAGDisable, ENABLE); //关闭jtag，保留swd。
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SysTick_init();
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GPIO_Config(&PB5, GPIO_Mode_Out_PP);
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USART_Config(USART1, 9600);
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HALL_Config();
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USART_SendStr(USART1, "Init OK\n");
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while (1)
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{
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GPIO_WritePin(&PB5, HIGH);
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delay_ms(500);
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GPIO_WritePin(&PB5, LOW);
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delay_ms(500);
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USART_SendStr(USART1, "usart test\n");
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}
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}
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/*********************************END OF FILE**********************************/
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