帮帮小白，还有下面的程序有问题，不会解决

ZJL666 · 发表于 2019-11-9 19:42:37

怎么写通信协议，格式是什么？
#include "stm32f10x.h"
#include "usart.h"

void My_USART1_Init(void)
{

USART_InitTypeDef USART_InitStrue;
NVIC_InitTypeDef NVIC_InitStrue;

USART_InitStrue.USART_BaudRate=115200;
USART_InitStrue.USART_HardwareFlowControl=USART_HardwareFlowControl_None;
USART_InitStrue.USART_Mode=USART_Mode_Tx|USART_Mode_Rx;
USART_InitStrue.USART_Parity=USART_Parity_No;
USART_InitStrue.USART_StopBits=USART_StopBits_1;
USART_InitStrue.USART_WordLength=USART_WordLength_8b;

USART_Init(USART1,&USART_InitStrue);//3õê¼»ˉ′®¿ú

USART_Cmd(USART1,ENABLE);//ê1Äü′®¿ú1

USART_ITConfig(USART1,USART_IT_RXNE,ENABLE);//¿aÆô½óêÕÖD¶Ï

NVIC_InitStrue.NVIC_IRQChannel=USART1_IRQn;
NVIC_InitStrue.NVIC_IRQChannelCmd=ENABLE;
NVIC_InitStrue.NVIC_IRQChannelPreemptionPriority=1;
NVIC_InitStrue.NVIC_IRQChannelSubPriority=1;
NVIC_Init(&NVIC_InitStrue);
//U1 NVIC ÖD¶ÏÅäÖÃ ÅäÖÃ
}
void USART1_IRQHandler(void)
{
u8 Res;
#ifdef OS_TICKS_PER_SEC
OSIntEnter();
#endif
if(USART_GetITStatus(USART1, USART_IT_RXNE) != RESET)

Res =USART_ReceiveData(USART1);
if((USART_RX_STA&0x8000)==0)
{
if(USART_RX_STA&0x4000)
{
  if(Res!=0x0a)USART_RX_STA=0;
  else USART_RX_STA|=0x8000;
  }
else
{
if(Res==0x0d)USART_RX_STA|=0x4000;
else
{
USART_RX_BUF[USART_RX_STA&0X3FFF]=Res ;
USART_RX_STA++;
if(USART_RX_STA>(USART_REC_LEN-1))USART_RX_STA=0;
}
  }
  }

#ifdef OS_TICKS_PER_SEC
OSIntExit();
#endif
}