int Iout=0;
unsigned int output[4];
unsigned int portoutB;
unsigned int portoutC;
#define in_modules 4
#define out_modules 7
int module_out;
//Nano//
int ihcinpin[in_modules]={2,3,4,5}; // Port pins
int ihcoutpin[out_modules]={13,14,15,16,17,18,19}; //Arduino I/O
//Mega//
//int ihcinpin[in_modules]={4,5,6,7}; //Port pins
//int ihcoutpin[out_modules]={2,3,4,5,6,7,8}; //Arduino I/O
//IHCoutput ihcoutput[out_modules];
unsigned int data_in[in_modules];
unsigned int data_in_buffer[in_modules];
unsigned int old_data_in[in_modules];

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("Start");
  //pinMode(A0, OUTPUT);
  //pinMode(A1, OUTPUT);
  //pinMode(A2, OUTPUT);
  //pinMode(A3, OUTPUT);
  //pinMode(A4, OUTPUT);
  //pinMode(A5, OUTPUT);
  //pinMode(A6, OUTPUT);
  //pinMode(A7, OUTPUT);
  output[0]=0b10101010;
  output[1]=0b00110011;
  output[2]=0b11110000;
  output[3]=0b01010101;
  output[4]=0b10101010;
  output[5]=0b11001100;
  output[6]=0b00001111;
  DDRB =B00100000;
  DDRC =B00111111;
  //PORTB=B00100000; 
  //PORTC=B00111111;
  module_out=1;
}
//PORTB = PORTB | B00100000;
//PORTB = PORTB & B11011111;
void loop() {
  // put your main code here, to run repeatedly:
  //Serial.println (" ");Serial.print(Iout); Serial.print(" "); 
  if (Iout<(17*4)) {
    if ((Iout&0b11)<3) {
      for (module_out=0;module_out<out_modules;module_out++) {
        //Serial.print((Iout&0b10)>1);  
        digitalWrite(ihcoutpin[module_out],(Iout&0b10)>1);
        //bitWrite(x, 0, 1);
      }
    } else { 
      for (module_out=0;module_out<out_modules;module_out++) {
        //Serial.print(bitRead(output[module_out],(Iout>>2)));
        digitalWrite(ihcoutpin[module_out],bitRead(output[module_out],(Iout>>2)));
      }
    }
  }
  else if (Iout<(17*4+2)) {
    for (module_out=0;module_out<out_modules;module_out++) {
      //Serial.print("_");
      digitalWrite(ihcoutpin[module_out], LOW);
    }
  } else if (Iout<(25*4)) { //45*4
    for (module_out=0;module_out<out_modules;module_out++) {
      digitalWrite(ihcoutpin[module_out], HIGH);
      //Serial.print("-");
    }
  } else {
    Iout=-1;
    //Serial.println("");
  }
  Iout++; 
  delay (250);
}