void USART1_IRQHandler(
void)
//´®¿Ú1ÖжϷþÎñ³ÌÐò
{
u8 Res;
#ifdef OS_TICKS_PER_SEC //Èç¹ûʱÖÓ½ÚÅÄÊý¶¨ÒåÁË,˵Ã÷ҪʹÓÃucosIIÁË.
OSIntEnter();
#endif
if(USART_GetITStatus(USART1, USART_IT_RXNE) != RESET)
//½ÓÊÕÖжÏ(½ÓÊÕµ½µÄÊý¾Ý±ØÐëÊÇ0x0d 0x0a½áβ)
{
Res =USART_ReceiveData(USART1);
//(USART1->DR); //¶ÁÈ¡½ÓÊÕµ½µÄÊý¾Ý
if(Res==
0x31)
{
//LED0ÉÁÒ»´Î
LED0 =
0;
delay_ms(300);
LED0 =
1;
delay_ms(50);
LED0 =
0;
delay_ms(300);
LED0 =
1;
}
//LED1 ÁÁ
if(Res==
0x32)
{
LED1 =
0;
}
if((USART_RX_STA&
0x8000)==
0)
//½ÓÊÕδÍê³É
{
if(USART_RX_STA&
0x4000)
//½ÓÊÕµ½ÁË0x0d
{
if(Res!=
0x0a)USART_RX_STA=
0;
//½ÓÊÕ´íÎó,ÖØпªÊ¼
else USART_RX_STA|=
0x8000;
//½ÓÊÕÍê³ÉÁË
}
else //»¹Ã»ÊÕµ½0X0D
{
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;
//½ÓÊÕÊý¾Ý´íÎó,ÖØпªÊ¼½ÓÊÕ
}
}
}
}
while(
1)
{
if(USART_RX_STA&
0x8000)
{
len=USART_RX_STA&
0x3fff;
//µÃµ½´Ë´Î½ÓÊÕµ½µÄÊý¾Ý³¤¶È
printf(
"\r\nÄú·¢Ë͵ÄÏûϢΪ:\r\n\r\n");
for(t=
0;t<len;t++
)
{
USART_SendData(USART1, USART_RX_BUF[t]);//Ïò´®¿Ú1·¢ËÍÊý¾Ý
while(USART_GetFlagStatus(USART1,USART_FLAG_TC)!=SET);
//µÈ´ý·¢ËͽáÊø
}
printf("\r\n\r\n");
//²åÈë»»ÐÐ
USART_RX_STA=
0;
}
else
{
times++
;
if(times%
200==
0)printf(
"\r\nѧºÅ:14160310317ÐÕÃû:ÕÔ´æµµ µÈ´ýKEY0 KEY1 ±»°´ÏÂ\r\n");
delay_ms(10);
t=KEY_Scan(
0);
if(t)
{
switch(t)
{
case KEY_UP:
printf("\r\nKEY0±»°´ÏÂ\r\n\r\n");
break;
case KEY_LEFT:
BEEP=
1;
delay_ms(300);
BEEP=
0;
break;
}
}
}
}
转载于:https://www.cnblogs.com/zhaocundang/p/5325401.html
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