serial.lst

PWM Example for Philips LPC2

ARM COMPILER V0.12,  Serial                                                                08/10/04  13:08:54  PAGE 1   


ARM COMPILER V0.12, COMPILATION OF MODULE Serial
OBJECT MODULE PLACED IN .\Flash\Serial.obj
COMPILER INVOKED BY: C:\Keil\ARM\BIN\CA.exe Serial.c THUMB OPTIMIZE(7,SPEED) BROWSE DEBUG PRINT(.\FLASH\SERIAL.LST) TABS
                    -(4) OBJECT(.\Flash\Serial.obj) 

stmt  level    source

    1          /******************************************************************************/
    2          /*  This file is part of the uVision/ARM development tools                    */
    3          /*  Copyright KEIL ELEKTRONIK GmbH 2002-2004                                  */
    4          /******************************************************************************/
    5          /*                                                                            */
    6          /*  SERIAL.C:  Low Level Serial Routines                                      */
    7          /*                                                                            */
    8          /******************************************************************************/
    9          
   10          #include <LPC21xx.H>                     /* LPC21xx definitions               */
   11          #include <stdio.h>                       /* standard I/O .h-file              */
   12          
   13          #define CR     0x0D
   14          
   15          void sendhex (int hex) {                   /* Write Hex Digit to Serial Port  */
   16   1        if (hex > 9) putchar('A' + (hex - 10));
   17   1        else         putchar('0' +  hex);
   18   1      }
   19          
   20          void sendstr (char *p) {                   /* Write string */
   21   1        while (*p) {
   22   2          putchar (*p++);
   23   2        }
   24   1      }
   25          
   26          
   27          void init_serial (void)  {               /* Initialize Serial Interface       */
   28   1       
   29   1        PINSEL0 = 0x05;                        /* Select TxD and RxD on pin connect block */
   30   1        U0LCR = 0x80;                          /* Enable programming of divisor latches */
   31   1      
   32   1        U0DLL = 0x61;                          /* Program the divisor latch for 19200 baud */
   33   1        U0DLM = 0x00;
   34   1      
   35   1        U0LCR = 0x33;                          /* Program the line control 8\N\1 */
   36   1      }
   37          
   38          
   39          int putchar (int ch)  {                  /* Write character to Serial Port    */
   40   1      
   41   1        if (ch == '\n')  {
   42   2          while (!(U0LSR & 0x20));
   43   2          U1THR = CR;                          /* output CR */
   44   2        }
   45   1        while (!(U0LSR & 0x20));
   46   1        return (U0THR = ch);
   47   1      }
   48          
   49          
   50          int getchar (void)  {                    /* Read character from Serial Port   */
   51   1      
   52   1        while (!(U0LSR & 0x01));
   53   1      
   54   1        return (U0RBR);
   55   1      }
   56          

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