24led.lst

利用SST89E516实现24LED跑灯

C51 COMPILER V8.09   24LED                                                                 11/09/2008 11:35:07 PAGE 1   


C51 COMPILER V8.09, COMPILATION OF MODULE 24LED
OBJECT MODULE PLACED IN 24LED.OBJ
COMPILER INVOKED BY: D:\keil\C51\BIN\C51.EXE 24LED.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include<reg52.h>
   2          #include<intrins.h>
   3          
   4          #define uchar unsigned char
   5          #define uint unsigned int 
   6          
   7          sbit  LEDdata=P1^0;
   8          sbit  LEDclk=P1^1;
   9          sbit  LEDmr=P1^2;
  10          
  11          /*延时*/
  12          void delay(uint time){
  13   1         uchar k;
  14   1         while(time--){
  15   2                      for(k=0;k<125;k++);
  16   2         }
  17   1      
  18   1      }
  19          /*传送LED数据*/
  20          void display(uchar num){
  21   1              //      uchar i;
  22   1              //      for (i=8;i>0;i--)        {
  23   1                      
  24   1                                      if (num&0x80) {
  25   2                                               LEDdata=1;
  26   2                                      }
  27   1                                      else{
  28   2                                               LEDdata=0;
  29   2                                      }
  30   1                                      num=_crol_(num,1);//左移一位
  31   1                              //      num=_cror_(num,1);
  32   1                                      LEDclk=0;//写入数据
  33   1                                      _nop_();
  34   1                                      _nop_();
  35   1                                      LEDclk=1;
  36   1              //      }
  37   1      
  38   1      }
  39          
  40          void main(){
  41   1                      uchar n,temp;
  42   1                      P1=0xff;
  43   1                      LEDclk=0;
  44   1                      LEDmr=0;
  45   1                      delay(1);
  46   1                      LEDmr=1;
  47   1              
  48   1                      while(1) {
  49   2                              temp=0xfe;        //显示的初值
  50   2                              for (n=23;n>0;n--){
  51   3                                       display(temp);//写入数据，并显示
  52   3                                       delay(200);
  53   3                                       temp=_crol_(temp,1);
  54   3                              //       temp=_cror_(temp,1) ;
  55   3                                       temp=temp|0x01;
C51 COMPILER V8.09   24LED                                                                 11/09/2008 11:35:07 PAGE 2   

  56   3                              }
  57   2                                  display(0xff);      //关闭显示
  58   2                                      delay(400);
  59   2                      }
  60   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    115    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


C51 COMPILATION COMPLETE.  0 WARNING(S),  0 ERROR(S)