RaspberryPi test mcp23s17 wiringPi tests...

//g++ -Wall -o mini mini.cc -lwiringPi
#include <wiringPi.h>
#include <iostream>
//#include <mcp23017.h> //Ii2c
#include <mcp23s17.h>//spi
using namespace std;

#define BASE    123
void print(unsigned char c){
    unsigned char count(8);
    cout <<" IN = ";
    do{
        cout<<(int) (c & 1);
        c/=2;//>>1
    }while((count--)>1);
    cout<<endl;
}

int main(){

    unsigned char entree(0),tmp(0);
    char touche('0');

    cout<<"Axisat mini "<< piBoardRev () <<endl;
    wiringPiSetup();
    mcp23s17Setup (BASE, 0, 0) ;

//Setup PORTA & PORTB

    for(int port=0;port<16;port++){
    if (port<8){//PORTA OUT
        cout<<"OUT "<<BASE+port<<" OUTPUT "<<endl;
        pinMode (BASE+port,OUTPUT);
        //delay(100);
        digitalWrite(BASE+port,LOW);
    }
    else{//PORTB IN
        cout<<"IN "<<BASE+port<<" IN"<<endl;
        pinMode(BASE+port,INPUT);//Entree
        //delay(100);
        //pullUpDnControl (BASE+port, PUD_DOWN) ;//Pulldown
        pullUpDnControl(BASE+port,PUD_OFF);
        }
    }

    cout <<endl<<"LECTURE PORT B INs"<<endl;

while(TRUE){
    tmp=0;//Clear
    for(int port=8;port<16;port++){//PORT B READ
        tmp*=2;//<<1
        tmp|=digitalRead(BASE+port);
    }
    if (tmp!=entree){entree=tmp;print(entree);}


    if (touche>8){touche=0;}
    delay(1000);

    digitalWrite(BASE+0,(touche & 0x01));cout<<"OUT_0 = "<< ((touche>>1) & 0x01)<<'\t';;
    digitalWrite(BASE+1,((touche >>2) & 0x01) );cout<<"OUT_1 = "<<( (touche>>1) & 0x01)<<'\t';;
    digitalWrite(BASE+2,((touche >>3) & 0X01));cout <<"OUT_2 = "<< ((touche>>2) & 0x01)<<endl;
    touche++;
}
    return 0;
}