我想问问大神我这个程序到底哪里有问题，太闹心了

#include<STC12C5A60S2.h>
sbit inter_0=P3^2; //中断0管脚
sbit inter_1=P3^3; //中断1管脚
// hd7279
sbit cs = P4^3;
sbit clk = P4^2;
sbit key = P4^1;
sbit dat = P4^0; #define uchar unsigned char
unsigned char time_h=0;time_l=0;
unsigned int t_0=0; //用来计数的
uchar cnt;
/*--- HD7279 FUNCTION-----*/
unsigned char bdata dat_out1;
unsigned char bdata dat_out2;
unsigned long result;
sbit t1 = dat_out1^7;
sbit t2 = dat_out2^7;
void HD7279_init(void); //hd7279初始化
void HD7279_send_one(unsigned char cmd); //发送单字节指令
void HD7279_send_two(unsigned char cmd,unsigned char dat2);//发送双字节指令，cmd为指令，dat2为数据
void send(unsigned char cmd);
void display_tem(void); void delay_l(unsigned int time);//长延时
void delay_s(unsigned int time);//短延时
/*-----COMMON FUNCTION----*/
void initial(void)
{
TMOD=0X01; //定时器0 16位
ET0=1; //定时器溢出中断
IT0=1; //INT0下降沿中断 //51单片机外中断是下降沿和低电平中断。
EX0=1; //允许INT1中断
IT1=1; //INT1下降沿中断
EX1=1; //允许INT1中断
EA=1;
}
void delayx()
{
uchar i,j,k;
for(i=0;i<100;i++)
for(j=0;j<100;j++)
for(k=0;k<10;k++);
}
void init_serialcomm(void) //串口初始化
{
SCON=0x50;
TMOD|=0x20;
PCON|=0x80;
TH1=0xfD;
TR1=1;
}
void send_char_com(unsigned char ch) //发送一个字节
{
SBUF=ch;
while(TI==0);
TI=0;
}
void time0(void) interrupt 1 using 1 //定时器0中断
{
cnt++;
}
void int0(void) interrupt 0 using 0 //中断0
{
if(IE0)
{
IE0=0;
TH0=0;
TL0=0;
TR0=1; //启动定时器0
}
}
void int1(void) interrupt 2 using 2 //中断1
{
if(IE1)
{
IE1=0;
TR0=0; //关闭定时器0
time_h=TH0;
time_l= TL0;
t_0=time_h*256 +time_l;
result=t_0*18/1000;
display_tem();
}
} void main(void)
{
cnt=0;
initial();
init_serialcomm();
HD7279_init();
while(1)
{
display_tem();
}
}
/*-----COMMON FUNCTION----*/
void delay_s(unsigned int us)
{
while(us--);
}
void delay_l(unsigned int time)
{
unsigned char temp=200;
while(time--)
{
while(temp--);
temp=200;
}
}
/*-----------HD7279-------------*/
void HD7279_init(void)
{
cs=1;
clk=0;
dat=0;
key=1;
delay_l(60); //25ms
HD7279_send_one(0xA4); //reset
delay_l(60);
}
void send(unsigned char cmd)
{
unsigned char temp=8;
dat_out1=cmd;
clk=0;
delay_s(20); //T1
while(temp)
{
dat=t1;
clk=1;
delay_s(4);//T2
clk=0;
dat_out1<<=1;
delay_s(4); //T3
temp--;
}
}
void HD7279_send_one(unsigned char cmd)
{
cs = 0;
send(cmd);
cs = 1;
}
void HD7279_send_two(unsigned char cmd,unsigned char dat2)
{
unsigned char temp=8;
cs = 0;
dat_out2=dat2;
send(cmd);
delay_s(6);//T4-T3
while(temp)
{
dat=t2;
clk=1;
delay_s(4);//T2
clk=0;
dat_out2<<=1;
delay_s(4); //T3
temp--;
}
cs = 1;
}
void display_tem(void)
{
HD7279_send_two(0x80,result%10);
HD7279_send_two(0x81,result/10%10);
HD7279_send_two(0x82,result/100%10);
HD7279_send_two(0x83,result/1000%10);
HD7279_send_two(0x84,result/10000%10);
}
/*---------------------*/

顶！坐等大神指导

这个没做过，但是听你这么说，理论上可以，条理也比较清楚，有一种可能是你的芯片速度跟不上，建议用变换间隔长一点的方波试试。。