ARM COMPILER V0.20,  main                                                                  15/12/04  08:44:45  PAGE 1   


ARM COMPILER V0.20, COMPILATION OF MODULE main
OBJECT MODULE PLACED IN main.OBJ
COMPILER INVOKED BY: C:\Keil\ARM\BIN\CA.exe main.c THUMB BROWSE DEBUG TABS(4) 

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          /*  HELLO.C:  Hello World Example                                             */
    7          /*                                                                            */
    8          /******************************************************************************/
    9          
   10          #include <stdio.h>                          /* I/O Functions */
   11          #include <LPC22XX.H>                        /* LPC22XX Peripheral Registers */
   12          
   13          unsigned Send_byte (unsigned Data);
   14          void wait(void);
   15          unsigned read_byte (void);
   16          
   17          #define CS_HIGH IOSET0 = 0x400
   18          #define CS_LOW  IOCLR0 = 0x400
   19          
   20           unsigned result= 0;
   21           unsigned result2 = 0;
   22          
   23          int main (void)  
   24          {
   25   1      
   26   1      PINSEL0 = 0x5500;                    //Select SPI pins and enable SSEL0
   27   1      IODIR0 = 0x400;                      //Configure GPIO pin to control the CS on the SPI eeprom
   28   1      CS_HIGH;                             //Set the pin High
   29   1      VPBDIV = 0x04;                       //Set the Clock VBP clock to 60 Mhz
   30   1      
   31   1      S0SPCCR = 0x000000C8;               //Set SPI bit rate at 300Khz
   32   1      S0SPCR  = 0x00000020;               //set control register
   33   1      
   34   1      wait();
   35   1      
   36   1      CS_LOW;
   37   1      result =  Send_byte(0x55);
   38   1      
   39   1      
   40   1      wait();
   41   1      
   42   1      
   43   1      result = Send_byte(0x01);
   44   1      result = read_byte;
*** WARNING C10 IN LINE 44 OF MAIN.C: conversion: 'pointer' to 'unsigned int'
   45   1      
   46   1      
   47   1      wait();
   48   1      
   49   1      
   50   1      result =  Send_byte(0x05);
   51   1      
   52   1      while(1)
   53   1      {
   54   2      ;
   55   2      }
   56   1      
   57   1      }
   58          
ARM COMPILER V0.20,  main                                                                  15/12/04  08:44:45  PAGE 2   

   59          unsigned Send_byte (unsigned Data)
   60          {
   61   1      unsigned int result;
   62   1      result = S0SPSR;
   63   1       S0SPDR = Data;
   64   1       while(S0SPSR == 0)
   65   1       {
   66   2       ;
   67   2       }
   68   1      return S0SPSR;
   69   1      }
   70          
   71          unsigned read_byte (void)
   72          {
   73   1       while(S0SPSR == 0)
   74   1       {
   75   2       ;
   76   2       }
   77   1      return S0SPDR;
   78   1      }
   79          
   80          void wait(void)
   81          {
   82   1      unsigned delay;
   83   1      for(delay = 0;delay<0x10000;delay++)    //a bit of setteling time
   84   1      {
   85   2      ;
   86   2      }
   87   1      }
   88           

ARM COMPILATION COMPLETE.  1 WARNING(S),  0 ERROR(S)