C51 COMPILER V8.02   SPI_TEST                                                              08/26/2009 16:19:06 PAGE 1   


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

line level    source

   1          #include <c8051f020.h>
   2          
   3          #define uint8 unsigned char
   4          #define uint16 unsigned int
   5          
   6          sbit CS=P0^7;
   7          
   8          void SYSCLK_Init(void)
   9          { 
  10   1        uint8 i;
  11   1        OSCXCN = 0X67;//開始外部22.1184M晶振
  12   1        for(i = 0;i < 128;i++); //等待外部起振
  13   1        while(!(OSCXCN & 0X80));      //查詢標志位
  14   1        OSCICN = 0X88;//用外部晶振，并使能始終丟
  15   1      }
  16          
  17          void Init_Spi(void)
  18          {
  19   1        SPI0CN=0X03;
  20   1        SPI0CFG=0X07;
  21   1        SPI0CKR=9;
  22   1      }
  23          
  24          void Write_Spi(uint8 DATA)
  25          {
  26   1        while(TXBSY);
  27   1        //CS=0;
  28   1        SPI0DAT=DATA;
  29   1        //CS=1;
  30   1      }
  31          
  32          void Init_PORT(void)
  33          {
  34   1        XBR0=0X02;
  35   1        XBR1=0X00;
  36   1        XBR2=0X40;
  37   1        P0MDOUT=0X8D;
  38   1        
  39   1      }
  40          
  41          
  42          void main(void)
  43          {
  44   1        WDTCN = 0xde;
  45   1        WDTCN = 0xad;//關閉看門狗
  46   1        SYSCLK_Init();
  47   1        Init_PORT();
  48   1        Init_Spi();
  49   1        CS=1;
  50   1      
  51   1        while(1)
  52   1        {
  53   2          CS=0;
  54   2              Write_Spi(100);
  55   2              Write_Spi(100);
C51 COMPILER V8.02   SPI_TEST                                                              08/26/2009 16:19:06 PAGE 2   

  56   2              CS=1;
  57   2        }
  58   1      
  59   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     78    ----
   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)