chuankouda.lst

用串口DA5615实现数摸转化

C51 COMPILER V7.50   CHUANKOUDA                                                            08/13/2007 10:04:51 PAGE 1   


C51 COMPILER V7.50, COMPILATION OF MODULE CHUANKOUDA
OBJECT MODULE PLACED IN chuankouda.OBJ
COMPILER INVOKED BY: D:\keil\C51\BIN\C51.EXE chuankouda.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include<reg51.h>
   2          #define uint unsigned int
   3          #define uchar unsigned char                             
   4          sbit   SPI_CLK  =  P2^0;
   5          sbit SPI_DATA =P2^1;
   6          sbit CS_DA =P2^2 ;
   7          void da5615(uint da)   //da 占两个字节（16个二进制位）
   8          {
   9   1      uchar i;
  10   1      da<<=6;   //取高十位数作为数字量输入转化为模拟量输出
  11   1      CS_DA=0;   //开tcl5615 开启数模转换
  12   1      SPI_CLK=0;
  13   1      for (i=0;i<12;i++)
  14   1      {
  15   2      SPI_DATA=(bit)(da&0x8000);   //取高位输出  先输出高位
  16   2      SPI_CLK=1;
  17   2      da<<=1;      //移位输出
  18   2      SPI_CLK=0;
  19   2      }
  20   1      CS_DA=1;
  21   1      SPI_CLK=0;
  22   1      for (i=0;i<12;i++);
  23   1      } 
  24          void main( )
  25          {  uint c,j;
  26   1              c=0x3ffc ;
  27   1              while(1){
  28   2              for(j=0;j<125;j++){;}
  29   2         da5615(c);}
  30   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     74    ----
   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)