lyhlike的博客

#include<stdio.h> typedef struct DD STU; struct DD{ int a; int b; char t; }; void main(void) { STU c,b; b.t=4; printf("%p\n",&(((STU*) 0x40)->b));//输出(STU*) 0x40)->b的地址为00000044 printf...

ITStatus USART_GetITStatus(USART_TypeDef* USARTx, uint16_t USART_IT) { uint32_t bitpos = 0x00, itmask = 0x00, usartreg = 0x00; ITStatus bitstatus = RESET; /* Check the parameters / assert_param(IS_USART_ALL_PERIPH(USARTx)); assert_param(IS_USART_GET_IT(USA

1、定时器中断标志位程序 ITStatus TIM_GetITStatus(TIM_TypeDef* TIMx, uint16_t TIM_IT) { ITStatus bitstatus = RESET; uint16_t itstatus = 0x0, itenable = 0x0; /* Check the parameters */ assert_param(IS_TIM_ALL_PERI...

串口中断服务函数详解 void USART1_IRQHandle(void) //串口1中断服务程序 { u8 Res; if(USART_GetITStatus(USART1, USART_IT_RXNE) != RESET) //接收中断(接收到的数据必须是0x0d 0x0a结尾) { Res =USART_ReceiveData(USART1); //读取接...