spi.lst

这是串行AD采集芯片ADS7816的读写程序

C51 COMPILER V8.01   SPI                                                                   03/09/2007 18:35:57 PAGE 1   


C51 COMPILER V8.01, COMPILATION OF MODULE SPI
OBJECT MODULE PLACED IN spi.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE spi.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include <spi.h>
   2          
   3          unsigned char combuf[9];
   4          
   5          
   6          void init_spi()
   7          {
   8   1              PCON = 0x00;   //smod = 0
   9   1              TMOD=0x20;     //定时器工作在方式2
  10   1              TH1=0xF2;
  11   1              TL1=0xF2;
  12   1      
  13   1              SM0 = 0;        //串行口工作在方式2，波特率为9600，采用查询方式工作
  14   1              SM1 = 1;
  15   1              SM2 = 0;
  16   1              
  17   1              ES = 1;
  18   1          RI = 0;
  19   1          TI = 0;
  20   1      
  21   1              PT0=0;
  22   1              PS=1;
  23   1          EA=1;
  24   1              TR1=1;
  25   1              REN = 1;// recieve
  26   1              
  27   1      
  28   1      
  29   1      }
  30          
  31          
  32          void spi_send(unsigned char *buf,unsigned char len)
  33          {
  34   1              unsigned char i=0;
  35   1              ES=0;
  36   1              for(i=0;i<len;i++)
  37   1              {
  38   2                      
  39   2                   SBUF=buf[i];
  40   2                   while(!TI);
  41   2                   TI=0;
  42   2              }
  43   1              ES=1;
  44   1      }
  45          
  46          
  47          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     77    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      9       3
C51 COMPILER V8.01   SPI                                                                   03/09/2007 18:35:57 PAGE 2   

   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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