ledplay.lst

这是一款LED驱动IC

C51 COMPILER V7.01  LEDPLAY                                                                11/18/2000 16:00:04 PAGE 1   


C51 COMPILER V7.01, COMPILATION OF MODULE LEDPLAY
OBJECT MODULE PLACED IN ledplay.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE ledplay.c OPTIMIZE(2,SIZE) BROWSE DEBUG OBJECTEXTEND SRC(.\ledplay.SRC)

stmt level    source

   1          #include <reg52.h>
   2          #include <stdio.h>
   3          typedef unsigned char uchar;
   4          sbit DIN=P1^0;
   5          sbit CLK=P1^1;
   6          sbit LOAD=P1^2;
   7          
   8          void send(uchar add,uchar dat)//发送16字节子函数
   9          { uchar ADS,i,j,k;
  10   1        LOAD=0;
  11   1        i=0;
  12   1        
  13   1       for(k=0;k<=1;k++)
  14   1        {  
  15   2           if(i<8)
  16   2           {ADS=add;}
  17   2      
  18   2           else {ADS=dat;}
  19   2               
  20   2           for(j=8;j>=1;j--)
  21   2           {
  22   3                
  23   3                DIN=ADS&0x80;
  24   3            ADS=ADS<<1;
  25   3                CLK=1;  
  26   3                CLK=0; 
  27   3          
  28   3                }
  29   2           
  30   2                i=i+8;
  31   2         }
  32   1          LOAD=1;
  33   1      
  34   1        }
  35          
  36          
  37          
  38          void clear(void)
  39          {
  40   1      char i;
  41   1      for (i=1;i<=1;i++)
  42   1      send(i,0x00);
  43   1      }
  44           
  45          
  46          void init(void)
  47          {
  48   1      DIN=1;
  49   1      CLK=1;
  50   1      LOAD=1;
  51   1      send(0x0b,0x07);
  52   1      send(0x09,0x00);
  53   1      send(0x0c,0x00);
  54   1      send(0x0f,0x00);
  55   1      clear();
C51 COMPILER V7.01  LEDPLAY                                                                11/18/2000 16:00:04 PAGE 2   

  56   1      send(0x0a,0x0f);
  57   1      }
  58          
  59          
  60          main()
  61          {
  62   1      uchar i;
  63   1      //init();
  64   1      //send(0x0c,0x00);//停机
  65   1      //send(0x0c,0x01);//start
  66   1      //send(0x0a,0x09);
  67   1      
  68   1      send(0x0c,0x01);//待机开关
  69   1      send(0x0b,0x07);//扫描位数
  70   1      send(0x0a,0x09);//亮度调