各位大侠帮我看看什么原因

qiang275129042 · 发表于 2018-4-16 18:58:20

我做了一个频闪灯，现在转动编码器时单片机老是死机！就是LED没有方波输出！以下是源码！

#include <STC12C5A60S2.H>
typedef unsigned int uint;
typedef unsigned char uchar;
sbit wela = P1^1;
sbit dula = P1^2;
sbit LED=P1^0;
sbit AA=P3^7; //编码加
sbit BB=P3^6; //编码减
uint flage,status,current_bmb,counter = 0,
p,dataa;
float PA;
static uint m,tm;
unsigned char code table[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,
                        0x07,0x7f,0x6f};
void huansuan(void);
void datakae(void);
void display(void);
void initial(void);
void delay(unsigned char i)
{
unsigned char j,k;
for(j=i;j>0;j--)
for(k=110;k>0;k--);
}
void datakae(void)
{
status=BB; //一直赋值！
while(0==AA)//当AA条件允许进入主循环！并且BB上次的值保持为临近状态！
  {
current_bmb=BB;
flage=1;
         }
if(1==flage)
  {
flage=0;
if((0==current_bmb)&&(1==status))
      {
   tm++;
   if(tm>=1000)
   {
   tm=1000;
         }
         }
if((0==status)&&(1==current_bmb))
{
   tm--;
   if(tm<=10)
   {
   tm=10;
         }
      }
         }
            }
void display(void)
{
P0=table[dataa%10];//个
dula=1;
dula=0;

P2=0xfe;
wela=1;
wela=0;
delay(2);

P0=table[dataa%100/10]; //十
dula=1;
dula=0;

P2=0xfd;
wela=1;
wela=0;
delay(2);

P0=table[dataa%1000/100];
dula=1;
dula=0;

P2=0xfb;    // 百
wela=1;
wela=0;
delay(2);

P0=table[dataa%10000/1000];
dula=1;
dula=0;

P2=0xf7;//千
wela=1;
wela=0;
delay(2);
            }
void huansuan(void)
{
m=10000/tm;
dataa=tm;
         }
//定时器T1初始化
void initial(void)
{
  LED=0;
  P1M1 = 0x00;
  P1M0 = 0xFF;
  counter=0;
  EA = 1;
  TR0 = 1;
  TMOD = 0x01;
  TH0 = (65535-1000)/256;    //1ms
  TL0 = (65535-1000)%256;
  ET0 = 1;
}
//主程序
void main()
{
tm=250;
  initial();
while(1)
{
huansuan();
datakae();
  display();
  LED=0;
      }
      }
void timer0_int()interrupt 1 using 0
{
TH0 = (65535-1000)/256;//1ms产生一次中断
TL0 = (65535-1000)%256;
counter++;
if(counter==m)
{
  LED=1;
  for(p=0;p<150;p++);
  counter=0;
      } else LED=0;

            }