spi.lst

程序是基于STC89C58的点阵屏显示程序

C51 COMPILER V8.02   SPI                                                                   04/10/2008 10:43:46 PAGE 1   


C51 COMPILER V8.02, COMPILATION OF MODULE SPI
OBJECT MODULE PLACED IN .\xiazai\SPI.obj
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE daima\SPI.c BROWSE DEBUG OBJECTEXTEND PRINT(.\SPI.lst) OBJECT(.\xiazai\SPI.
                    -obj)

line level    source

   1           
   2          #include"reg51.h" 
   3          sbit GT32_CS=P1^4;         //字库芯片使能
   4          sbit GT32_CLK=P1^5;        //字库芯片时钟线
   5          sbit GT32_SI=P1^7;         //字库芯片输入数据线
   6          sbit GT32_SO=P1^6;         //字库芯片输出数据线
   7           //*********************        //发一个字节命令数据********************
   8          void sendcmd(unsigned char cmd)  
   9          {       
  10   1              unsigned char i;
  11   1              GT32_CS=0;      
  12   1              for(i=0;i<8;i++)
  13   1              {       
  14   2                      GT32_CLK=0;
  15   2                      if(cmd&0x80)
  16   2                              GT32_SI=1;
  17   2                      else GT32_SI=0;
  18   2                      GT32_CLK=1;     
  19   2                      cmd=cmd<<1;             
  20   2              }
  21   1      }
  22          //**************************************************************
  23          
  24          //*******************发四个字节地址数据******************
  25          void sendaddress(unsigned long address)  
  26          {       
  27   1      unsigned char i;
  28   1      GT32_CS=0;
  29   1      address=address<<8;
  30   1      for(i=0;i<24;i++)
  31   1              {       
  32   2                      GT32_CLK=0;
  33   2                      if(address&0x80000000)
  34   2                              GT32_SI=1;
  35   2                      else GT32_SI=0;
  36   2                      GT32_CLK=1;     
  37   2                      address=address<<1;             
  38   2              }       
  39   1      }
  40          //***************************************************************


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     94    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----       4
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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