C51 COMPILER V7.05   RELAY                                                                 02/11/2006 11:26:01 PAGE 1   


C51 COMPILER V7.05, COMPILATION OF MODULE RELAY
OBJECT MODULE PLACED IN RELAY.OBJ
COMPILER INVOKED BY: C:\SiLabs\MCU\IDEfiles\C51\BIN\C51.exe RELAY.c DB OE

stmt level    source

   1          //參考程序A:文件名：RELAY.c  程序驅動繼電器
   2          #include <c8051f020.h>                  
   3          #include <intrins.h>
   4          void PORT_Init (void);
   5          void sleep_ms(unsigned int count);
   6          void main (void) {
   7   1         /*無效看門狗*/
   8   1         WDTCN = 0xde;
   9   1         WDTCN = 0xad;
  10   1         PORT_Init ();
  11   1         P5=P5&0x0ff;         /*關SSR,SCR和步進電機*/
  12   1          while (1) 
  13   1         {            P5 = P5 & 0xDF;         //開繼電器
  14   2                              sleep_ms(1000);
  15   2      P5 = P5 | 0x20;         //關繼電器
  16   2                                      sleep_ms(1000);
  17   2         }
  18   1      }
  19          void PORT_Init (void)
  20          {
  21   1        P74OUT |= 0x08;     /*P5高4位為推挽輸出，其余口為開漏輸出*/
  22   1      }
  23          /*延時子程序*/
  24          void sleep_ms(unsigned int count)
  25          {
  26   1        unsigned int ii,jj;
  27   1        for(ii=0;ii<count;ii++)
  28   1          {
  29   2            for(jj=0;jj<250;jj++)
  30   2                _nop_();                      
  31   2          }
  32   1              
  33   1      } 
  34          
  35          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     68    ----
   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)