ofxGPIO test 7 segment

segment.cpp

#include <iostream>
#include "ofxGPIO.h"

#define CMD 0x80
#define ON  0x01
#define OFF 0
#define BRI 0xE0
#define ADD 0x70

I2c * i2c;
int brightness = 5;
vector<pair<char,int>> digit;

int main(int argc, char *argv[])
{
        if(argc > 1)
        {
                digit.push_back(pair<char,int>('0',0x3F));
                digit.push_back(pair<char,int>('1',0x06));
                digit.push_back(pair<char,int>('2',0x5B));
                digit.push_back(pair<char,int>('3',0x4F));
                digit.push_back(pair<char,int>('4',0x66));
                digit.push_back(pair<char,int>('5',0x6D));
                digit.push_back(pair<char,int>('6',0x7D));
                digit.push_back(pair<char,int>('7',0x07));
                digit.push_back(pair<char,int>('8',0x7F));
                digit.push_back(pair<char,int>('9',0x6F));
                digit.push_back(pair<char,int>(' ',0));

                i2c = new I2c(argv[1]);
                i2c->addressSet(ADD);
                i2c->write(0x21);
                i2c->write(CMD | ON | (OFF   << 1) );
                i2c->write(BRI | brightness);
                i2c->write(0x00);

                i2c->writeByte(0,digit[0].second);
                i2c->writeByte(2,digit[1].second);
                i2c->writeByte(4,digit[2].second);
                i2c->writeByte(6,digit[3].second);
        }
        else{
                cout<<"Error parameter: device"<<endl;
        }
        return 0;
}