uart.lst

用51单片机解码JPEG文件

C51 COMPILER V8.05a   UART                                                                 03/14/2009 18:41:30 PAGE 1   


C51 COMPILER V8.05a, COMPILATION OF MODULE UART
OBJECT MODULE PLACED IN uart.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE uart.c LARGE BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include <STC_NEW_8051.H>
   2          #include <string.h>
   3          #include "uart.h"
   4          #include "myfun.h"
   5          
   6          
   7          
   8          /*
   9          ------------------------------------------------------
  10              此函数用于初始化串口，66M波特率为115200BPS
  11          ------------------------------------------------------
  12          */
  13          
  14          void UART_Init()     
  15          {
  16   1          PCON|=0x80;  
  17   1              /*
  18   1                PCON的最高位SMOD=1时波特率加倍
  19   1                此语句将此位置1
  20   1              */
  21   1              TMOD=0x20;
  22   1              /*
  23   1                设置定时器1为方式2
  24   1                初值自动装入
  25   1              */
  26   1          TH1=0xf3;  
  27   1          TL1=0xf3;
  28   1              /*
  29   1                为定时器1方式2设置初值
  30   1                0xf3是：12M晶振时，波特率为4800bps
  31   1              */    
  32   1          SCON=0x50;
  33   1              /*
  34   1                串口设置为方式1,REN=1,允许接收
  35   1              */
  36   1          TR1=1;//启动定时器1
  37   1          ES=1; //打开定时器中断
  38   1          EA=1; //打开所有中断
  39   1      }
  40          
  41          /*-------------------------------------------------------
  42          函数名：send()
  43          功能:用户函数，发送一个字节的数据
  44          作者：于振南
  45          ----------------------------------------------------------*/
  46          
  47          void UART_Send_Byte(unsigned char mydata)       
  48          {
  49   1       ES=0;
  50   1       TI=0;
  51   1       SBUF=mydata;
  52   1       while(!TI);
  53   1       TI=0;
  54   1       ES=1;
  55   1      }
C51 COMPILER V8.05a   UART                                                                 03/14/2009 18:41:30 PAGE 2   

  56          
  57          void UART_Send_Enter()
  58          {
  59   1       UART_Send_Byte(0x0d);
  60   1       UART_Send_Byte(0x0a);
  61   1      }
  62          
  63          /*-------------------------------------------------------
  64          函数名：send_s()
  65          功能:用户函数，发送一个字符串
  66          作者：于振南
  67          ----------------------------------------------------------*/
  68          
  69          void UART_Send_Str(char *s)
  70          {
  71   1       int len=strlen(s)-1;
  72   1       int i;
  73   1       for(i=0;i<len;i++)
  74   1       UART_Send_Byte(s[i]);
  75   1       if(s[i]=='\n') 
  76   1       {
  77   2        UART_Send_Enter();
  78   2       }
  79   1       else
  80   1       {
  81   2        UART_Send_Byte(s[i]);
  82   2       }
  83   1      }
  84          
  85          void UART_Put_Num(unsigned long dat)
  86          {
  87   1       char temp[20];
  88   1       u32tostr(dat,temp);
  89   1       UART_Send_Str(temp);
  90   1      }
  91          
  92          void UART_Put_Inf(char *inf,unsigned long dat)
  93          {
  94   1       UART_Send_Str(inf);
  95   1       UART_Put_Num(dat);
  96   1       UART_Send_Str("\n");  
  97   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    209    ----
   CONSTANT SIZE    =      2    ----
   XDATA SIZE       =   ----      29
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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