ltc1860.lst

别人的C51菜单程序

C51 COMPILER V8.08   LTC1860                                                               06/30/2007 15:23:47 PAGE 1   


C51 COMPILER V8.08, COMPILATION OF MODULE LTC1860
OBJECT MODULE PLACED IN LTC1860.OBJ
COMPILER INVOKED BY: d:\Keil\C51\BIN\C51.EXE LTC1860.c LARGE OPTIMIZE(9,SPEED) DEBUG OBJECTEXTEND

line level    source

   1          #include <reg51.h>
   2          #include <intrins.h>
   3          #define uchar unsigned char
   4          #define uint unsigned int
   5          #define nop() _nop_()
   6          //接口定义
   7          sbit ltc1860_clk =P1^3;
   8          sbit ltc1860_do =P1^4;
   9          sbit ltc1860_cs =P3^5;
  10          //
  11          uint spi_transition(void)
  12          {
  13   1              volatile uint data ad_value=0;
  14   1              uchar temp1,temp2;
  15   1              uchar i;
  16   1              temp1=0;
  17   1              temp2=0;
  18   1              ltc1860_cs=1;  //启动转换
  19   1              ltc1860_clk=1;
  20   1              nop();
  21   1              nop();
  22   1              nop();
  23   1              ltc1860_cs=0;   //启动通信
  24   1              ltc1860_do=1;
  25   1              for(i=0;i<4;i++)
  26   1              {       ltc1860_do=1;
  27   2                      ltc1860_clk=0;          
  28   2                      nop();
  29   2                      nop();
  30   2                      
  31   2                      ltc1860_clk=1;
  32   2                      nop();
  33   2                      nop();
  34   2                      temp1=temp1<<1; 
  35   2                      if(ltc1860_do)
  36   2                              temp1=temp1|0x01;
  37   2                      else
  38   2                              temp1=temp1&0xfe;
  39   2                      
  40   2              }
  41   1              for(i=0;i<8;i++)
  42   1              {       ltc1860_do=1;
  43   2                      ltc1860_clk=0;          
  44   2                      nop();
  45   2                      nop();
  46   2                      
  47   2                      ltc1860_clk=1;
  48   2                      nop();
  49   2                      nop();
  50   2                      temp2=temp2<<1; 
  51   2                      if(ltc1860_do)
  52   2                              temp2=temp2|0x01;
  53   2                      else
  54   2                              temp2=temp2&0xfe;
  55   2                      
C51 COMPILER V8.08   LTC1860                                                               06/30/2007 15:23:47 PAGE 2   

  56   2              }
  57   1              ltc1860_cs=1;
  58   1              ad_value=temp1;
  59   1              ad_value=ad_value<<8;
  60   1              ad_value=ad_value+temp2;
  61   1              return ad_value;
  62   1      }
  63          
  64                          
  65          
  66          
  67          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    112    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----       2
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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