mini51test.lst

（珍藏）51单片机开发板原理图应用范例、PCB图

C51 COMPILER V8.02   MINI51TEST                                                            08/27/2007 17:33:00 PAGE 1   


C51 COMPILER V8.02, COMPILATION OF MODULE MINI51TEST
OBJECT MODULE PLACED IN Mini51test.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE Mini51test.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1           #include <reg52.h>
   2           #include <INTRINS.H>
   3           #include <math.H>
   4           #include <stdio.H>     
   5          
   6          
   7           unsigned char xdata CPLD_WREG _at_ 0xffe4;
   8           unsigned char xdata CPLD_RREG _at_ 0xffe5;
   9           unsigned char xdata ERAM_READ _at_ 0xffe6;
  10          
  11           sbit OVER_FLAG=P1^0;//IO12
  12          
  13           //REG[5..4]时钟分频选择
  14           //REG0=1 时钟禁止
  15           //REG1=0 地址寄存器复位
  16          
  17          
  18          
  19           void delay_ms(unsigned int n)
  20           {
  21   1           unsigned char j;
  22   1           while(n--)
  23   1           for(j=0;j<230;j++);//230是实验测试所得！
  24   1       }
  25          
  26          
  27           void adc_start(void)
  28           {
  29   1              CPLD_WREG = 0x01;//地址寄存器清零，时钟禁止
  30   1              _nop_();        
  31   1              CPLD_WREG = 0x02;//时钟开启
  32   1       }
  33          
  34          
  35          void rs232_port_init(void)
  36          {
  37   1              SCON|=0x50;     //串口工作在方式1，异步模式
  38   1              PCON|=0x80;     //波特率翻倍
  39   1              TMOD|=0x20;  //定时器1工作在方式2                       
  40   1              TH1=0xff;       //波特率115200，晶振为22.1184MHz
  41   1              TL1=0xff;                                                       
  42   1              TR1 = 1;  //启动定时器，产生波特率
  43   1              RI  = 0;  //接收标志位清零
  44   1              TI  = 0;  //发送标志位清零
  45   1      //      ES  = 1;  //中断允许
  46   1      //      EA  = 1;
  47   1      }
  48          
  49          void uart_putc(unsigned char c)
  50          {
  51   1              SBUF = c;
  52   1              while(!TI);
  53   1              TI = 0;
  54   1      }
  55           
C51 COMPILER V8.02   MINI51TEST                                                            08/27/2007 17:33:00 PAGE 2   

  56           main()
  57           {
  58   1               unsigned int i;
  59   1              // unsigned char temp;
  60   1      
  61   1               rs232_port_init();
  62   1               delay_ms(1000);
  63   1               
  64   1               while(1)
  65   1               {       
  66   2               
  67   2                       adc_start();
  68   2                       while(!OVER_FLAG);                              
  69   2              
  70   2                       CPLD_WREG = 0x01;//地址寄存器清零
  71   2                       _nop_();
  72   2                       CPLD_WREG = 0x03;//时钟禁止            
  73   2                              
  74   2                       for(i=0;i<0x8000;i++)//32K              
  75   2                       {
  76   3                              uart_putc(ERAM_READ);           
  77   3                       }              
  78   2               }       
  79   1       }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    118    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----       2
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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