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我用藍牙串口助手輸入1，2，3，4和其他字符都是執(zhí)行default里的語句，大哥們，幫忙給看看。
#include"reg52.h"
#define uint unsigned int
#define uchar unsigned char
sbit led1=P2^0;
sbit led2=P2^1;
sbit led3=P2^2;
sbit led4=P2^3;
sbit led5=P2^4;
sbit led6=P2^7;
uchar tmp;
void xingtai1()
{
led1=0;
led2=1;
led3=1;
led4=1;
}
void xingtai2()
{
led1=1;
led2=0;
led3=1;
led4=1;
}
void xingtai3()
{
led1=1;
led2=1;
led3=0;
led4=1;
}
void xingtai4()
{
led1=1;
led2=1;
led3=1;
led4=0;
}
void init()
{
TMOD = 0x20;
PCON = 0x00;
SCON = 0x50;
TH1 = 0xFd; //設(shè)置波特率 9600
TL1 = 0xFd;
TR1 = 1; //啟動定時器1
ES = 1; //開串口中斷
EA = 1; //開總中斷
led6=0;
}
void main()
{
init();
while(1)
{
if(RI) // 是否有數(shù)據(jù)到來
{
RI = 0;
// 暫存接收到的數(shù)據(jù)
switch(SBUF)
{
case '1': xingtai1();break;
case '2': xingtai2();break;
case '3': xingtai3();break;
case '4': led1=0;
led2=0;
led3=0;break;
default: led1=0;
led2=0;
led3=0;
led4=0;
led5=0;
}
}
}
}
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