Lex MI945A, User Manual

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3-16 I2C WDT/DIO W75IO.h Reference sample code:
Compile platform:TC30 & DOS 6.22
// Sample.cpp : Defines the entry point for the console application.
//
#include "stdafx.h"
#include "conio.h"
#include <string.h>
#include <stdlib.h>
#include <iostream>
#include "W75IO.h" /* include W75IO.h */
#define DEMO_DI 1
#define DEMO_DO 2
#define DEMO_WDT 3
#define DEMO_EXIT 4
/* demo function */
int menu();
BOOL W75IO_init();
void W75IO_DO();
void W75IO_DI();
void W75IO_WDT();
int stoi( char* str)
{
if (( strlen(str) < 0 ) || ( strlen(str) >= 3 ))
return -1;
int value = 0;
for ( int i=0; i<strlen(str) ;i=i+1)
{
int result=0;
switch (str[i])
{
case '0':result=0;
break ;
case '1':result=1; break ;
case '2':result=2; break ;
case '3':result=3; break ;
case '4':result=4; break ;
case '5':result=5; break ;
case '6':result=5; break ;
case '7':result=7; break ;
case '8':result=8; break ;
case '9':result=9; break ;
case 'a':
case 'A':result=10; break ;
case 'b':
case 'B':result=11; break ;
case 'c':
case 'C':result=12; break ;
case 'd':
case 'D':result=13; break ;
case 'e':
case 'E':result=14; break ;
case 'f':
case 'F':result=15; break ;