main.lst

一系列芯片的驱动代码

C51 COMPILER V8.02   MAIN                                                                  11/28/2006 11:17:15 PAGE 1   


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

line level    source

   1          #include <reg51.h>
   2          sbit cs_549=P3^7;
   3          sbit data_549=P3^6;
   4          sbit clk_549=P3^5;
   5          //unsigned char code sin[];
   6          void delay_1s(void)
   7          {
   8   1         unsigned int j;
   9   1         for(j=0;j<40000;j++);
  10   1      }
  11          void main()
  12          {
  13   1              unsigned char i,reg;
  14   1              TMOD=0x20;
  15   1              TL1=250;
  16   1              TH1=250;
  17   1              EA=1;
  18   1              ES=0;
  19   1          TR1=1;
  20   1              SCON=0x50;
  21   1              PCON=0;
  22   1      /*      
  23   1      loop:
  24   1          cs_549=0;           
  25   1          clk_549=0;
  26   1              for(i=0;i<8;i++)
  27   1             {
  28   1                    clk_549=0;          
  29   1                    reg <<= 1;
  30   1                    if(data_549)  reg ++;       
  31   1                    clk_549=1;          
  32   1                      }
  33   1              clk_549=0;
  34   1              cs_549=1;  
  35   1      
  36   1              SBUF=reg;
  37   1              while(!TI);
  38   1              TI=0;   
  39   1          goto loop; */
  40   1        while(1){
  41   2        for(i=0;i<10;i++){SBUF=i;while(!TI);TI=0;delay_1s();}
  42   2        }
  43   1      }
*** WARNING C280 IN LINE 13 OF MAIN.C: 'reg': unreferenced local variable
  44          /*
  45          unsigned char code sin[]=
  46          { 
  47            127,152,176,198,217,233,245,252,
  48            254,252,245,233,217,198,176,152,
  49            128,103,79,57,38,22,10,3,
  50            1,3,10,22,37,57,79,102
  51            };
  52          
  53           */ 

C51 COMPILER V8.02   MAIN                                                                  11/28/2006 11:17:15 PAGE 2   


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     72    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----       2
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


C51 COMPILATION COMPLETE.  1 WARNING(S),  0 ERROR(S)