uart.lst

c8051f020模块.rar

C51 COMPILER V8.02   UART                                                                  08/26/2009 16:05:49 PAGE 1   


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

line level    source

   1          #include "C8051F020.h"
   2          #include<intrins.h>
   3          
   4          #define uint8 unsigned char
   5          #define uint16 unsigned int
   6          
   7          
   8          
   9          void SYSCLK_Init(void)
  10          { 
  11   1        uint8 i;
  12   1        OSCXCN = 0X67;//开始外部22.1184M晶振
  13   1        for(i = 0;i < 128;i++); //等待外部起振
  14   1        while(!(OSCXCN & 0X80));      //查询标志位
  15   1        OSCICN = 0X88;//用外部晶振，并使能始终丢
  16   1      }
  17          
  18          
  19          void Init_Port(void)
  20          {
  21   1        XBR0=0x04;
  22   1        XBR2=0X40;
  23   1        P0MDOUT|=0X01;
  24   1      }
  25          
  26          
  27          void Init_Uart0(void)
  28          {
  29   1        SCON0 = 0X50;
  30   1        TMOD = 0X20;
  31   1        TH1 = 0Xb8;    //dc ,b8,70
  32   1        CKCON = 0X10;
  33   1        //T1M = 1;
  34   1        PCON = 0X80;
  35   1        TR1=1; 
  36   1        
  37   1      }
  38          
  39          
  40          void  SendByte(uint8 Data)
  41          {
  42   1        SBUF0 = Data;
  43   1        while(!TI0);
  44   1        TI0 = 0;
  45   1      }
  46          
  47          void Init_System(void)
  48          {
  49   1        WDTCN = 0xde;
  50   1        WDTCN = 0xad;//关闭看门狗
  51   1        SYSCLK_Init();
  52   1         Init_Port();
  53   1        Init_Uart0();   
  54   1         
  55   1      }
C51 COMPILER V8.02   UART                                                                  08/26/2009 16:05:49 PAGE 2   

  56          
  57          
  58          
  59          void main(void)
  60          {  
  61   1         uint16 i;
  62   1         Init_System();
  63   1         
  64   1        while(1)
  65   1        {
  66   2         SendByte(5);
  67   2         for(i=0;i<1000;i++);
  68   2        }
  69   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     93    ----
   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)