tlc2543.lst

12位DA芯片TLC2543驱动程序 12位DA芯片TLC2543驱动程序

C51 COMPILER V8.02   TLC2543                                                               07/30/2007 15:00:26 PAGE 1   


C51 COMPILER V8.02, COMPILATION OF MODULE TLC2543
OBJECT MODULE PLACED IN TLC2543.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE TLC2543.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          /**************************************
   2                       TLC2543驱动程序
   3          *************************************/
   4          
   5          #include <reg51.h>
   6          #include <intrins.h>
   7          
   8          /**************************************
   9                  2543控制引脚宏定义
  10          *************************************/
  11          sbit    CLOCK = P1^0; /*2543时钟*/
  12          sbit    D_IN  = P1^1; /*2543输入*/
  13          sbit    D_OUT = P1^2; /*2543输出*/
  14          sbit    _CS   = P1^3; /*2543片选*/
  15          
  16          #define uint unsigned int
  17          #define uchar unsigned char
  18          
  19          
  20          static unsigned char code seg[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90};//共阴
  21          //void delay (unsigned char i)
  22          /**************************************
  23            名称：delay
  24            功能：延时模块
  25            输入参数：n要延时的周期数
  26            输出参数：无
  27          *************************************/
  28          void delay(uchar n)
  29          {
  30   1              uchar i;
  31   1              for(i=0;i<n;i++)
  32   1              {
  33   2              _nop_();
  34   2              }
  35   1      }
  36          
  37          /**************************************
  38            名称：read2543
  39            功能：TLC2543驱动模块
  40            输入参数：port通道号
  41            输出参数：ad转换值
  42          *************************************/
  43          uint read2543(uchar port)
  44          {
  45   1              uint ad=0,i;
  46   1              CLOCK=0;
  47   1              _CS = 0;
  48   1              port<<=4;
  49   1              for(i=0;i<12;i++)
  50   1              {
  51   2                      if(D_OUT) ad|=0x01;
  52   2                      D_IN=(bit)(port&0x80);
  53   2                      CLOCK=1;
  54   2                      delay(3);
  55   2                      CLOCK=0;
C51 COMPILER V8.02   TLC2543                                                               07/30/2007 15:00:26 PAGE 2   

  56   2                      delay(3);
  57   2                      port<<=1;
  58   2                      ad<<=1;
  59   2              }
  60   1              _CS=1;
  61   1              ad>>=1;
  62   1              return(ad);
  63   1      }
  64          
  65          /**************************************
  66            名称：main
  67            功能：主函数
  68            输入参数：无
  69            输出参数：无
  70          *************************************/
  71          
  72          
  73          void main(void)
  74          {         
  75   1              unsigned int ad,aea;
  76   1          float ff;
  77   1                 
  78   1      
  79   1              unsigned char i=0; 
  80   1      
  81   1              while(1)
  82   1              {
  83   2                      ad=read2543(0);
  84   2                      ff=ad*1.22;
  85   2                      aea=(int)ff;
  86   2                      for(i=0;i<8;i++)
  87   2                      {
  88   3                              P2=0x0f-i;
  89   3      
  90   3                              P0=~seg[aea%10];
  91   3                              aea=aea/10;
  92   3                              delay(2000);
  93   3                      }
  94   2      
  95   2                 
  96   2              }
  97   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    189    ----
   CONSTANT SIZE    =     10    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----       4
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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