uart.lst

实现ucos任务调度时保存LCD上的显示信息

C51 COMPILER V8.02   UART                                                                  05/08/2008 14:12:14 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\uart.c LARGE BROWSE INCDIR(.\dataflash;.\lcd;.\task;.\uart;.\ucos;.\ke
                    -y) DEBUG OBJECTEXTEND PRINT(.\uart.lst) OBJECT(uart.obj)

line level    source

   1          /*
   2          *************************************************************************
   3          *                                               C8051F340 uart modular
   4          *
   5          *                                 Ambition Comm Tech Ltd.Cop
   6          *                                                  Jason.D.Proakis
   7          *
   8          * File Description : .c file of uart in C8051F340.  
   9          *                               Include implemention operate functions
  10          *                               such as initial, output one charater,
  11          *                               output a string, input one charater, input a string.
  12          * Create Date      : 04-04-2008
  13          * Version                  : V1.00
  14          * Change History :
  15          *
  16          *************************************************************************
  17          */
  18          
  19          
  20          #include <C8051F340.h>
  21          #include "uart.h"
  22          
  23          /* Initial uart0, use .h file configurations */
  24          void init_uart0(void)
  25          {
  26   1              CKCON   |= 0x08;                                                        /*  timer1 use sysclk                           */
  27   1              SCON0   |= 0x50;                                                        /* uart in mode 1 (8 bit), REN=1        */
  28   1              TMOD    &= 0x0F;                                                /* Timer 1 in mode 2                            */
  29   1              TMOD    |= 0x20;
  30   1              TH1     = 0x30;                                                         /* 115200 Bds at 48MHz system clock     */
  31   1              TL1     = 0x30;         
  32   1              TR1     = 1;                                                            /* Timer 1 run */
  33   1              TI0     = 1;                                                            /* set uart0 transmit interrupt flag*/
  34   1      }
  35          
  36          /* Put a char by uart0 */
  37          void putc_uart0(char ch)        reentrant
  38          {
  39   1              while(!TI0);
  40   1              TI0 = 0;
  41   1              SBUF0 = ch;
  42   1      
  43   1              if(ch == '\n') putc_uart0('\r');
  44   1      }
  45          
  46          /* Get a char from uart0 */
  47          char getc_uart0(void)
  48          {
  49   1              while(!RI0);
  50   1              RI0 = 0;
  51   1              return (SBUF0);
  52   1      }
  53          
  54          /* Put a string by uart0 */
C51 COMPILER V8.02   UART                                                                  05/08/2008 14:12:14 PAGE 2   

  55          void puts_uart0(char * pch)
  56          {
  57   1              while(*pch != '\0') putc_uart0(*pch++);
  58   1      }
  59          
  60          /* Get a string from uart0 */
  61          unsigned char gets_uart0(char * pch)
  62          {
  63   1              unsigned char cnt = 0;
  64   1      
  65   1              while((*pch++ = getc_uart0()) != '\n') cnt ++;
  66   1              *pch = '\0';
  67   1      
  68   1              return cnt;
  69   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    179    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----       6
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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