Did I burn the DI s? - Printable Version

Code:

#include "PCF8574.h"



//I2C INPUT

TwoWire I2C_0 = TwoWire(0);

PCF8574 pcf8574_I1(&I2C_0, 0x24, 4, 5);

PCF8574 pcf8574_I2(&I2C_0, 0x25, 4, 5);

PCF8574 pcf8574_I3(&I2C_0, 0x21, 4, 5);

PCF8574 pcf8574_I4(&I2C_0, 0x22, 4, 5);



//I2C RELAY

TwoWire I2C_1 = TwoWire(1);

PCF8574 pcf8574_R1(&I2C_1, 0x24, 15, 13);

PCF8574 pcf8574_R2(&I2C_1, 0x25, 15, 13);

PCF8574 pcf8574_R3(&I2C_1, 0x21, 15, 13);

PCF8574 pcf8574_R4(&I2C_1, 0x22, 15, 13);



void setup_input() {

  for(int i=0;i<=7;i++){

    pcf8574_I1.pinMode(i, INPUT);

    pcf8574_I2.pinMode(i, INPUT);

    pcf8574_I3.pinMode(i, INPUT);

    pcf8574_I4.pinMode(i, INPUT);

  }

  pcf8574_I1.begin();

  pcf8574_I2.begin();

  pcf8574_I3.begin();

  pcf8574_I4.begin();

}



void setup_output() {

  for(int i=0;i<=7;i++)

  {

    pcf8574_R1.pinMode(i, OUTPUT);

    pcf8574_R2.pinMode(i, OUTPUT);

    pcf8574_R3.pinMode(i, OUTPUT);

    pcf8574_R4.pinMode(i, OUTPUT);

  }

  pcf8574_R1.begin();

  pcf8574_R2.begin();

  pcf8574_R3.begin();

  pcf8574_R4.begin();

  for(int i=0;i<=7;i++) {

    pcf8574_R1.digitalWrite(i, HIGH);

    pcf8574_R2.digitalWrite(i, HIGH);

    pcf8574_R3.digitalWrite(i, HIGH);

    pcf8574_R4.digitalWrite(i, HIGH);

  }

}



void setup_serial(){

  Serial.begin(115200); 

  while (!Serial && (millis() < 3000));

}



void print_chip_arduino(){

  Serial.print(F("\n\n----------------\n\n"));

  Serial.print(F("ARDUINO_BOARD:"));

  Serial.println(String(ARDUINO_BOARD));

}



unsigned long currentTime = millis();

void refreshCurrentTime(){

    currentTime = millis();

}



void print_loopHeader(){

  Serial.print(F("---------"));

  Serial.print(F("t: "));

  Serial.print(String(currentTime));

  Serial.println(F(" ---------"));

}



void print_input(){

  for(int i=0;i<=7;i++) {

      bool input1 = pcf8574_I1.digitalRead(i);

      bool input2 = pcf8574_I2.digitalRead(i);

      bool input3 = pcf8574_I3.digitalRead(i);

      bool input4 = pcf8574_I4.digitalRead(i);

      Serial.print(F("i:"));

      Serial.print(String(i));

      Serial.print(F(" I1:"));

      Serial.print(String(input1));

      Serial.print(F(" I2:"));

      Serial.print(String(input2));

      Serial.print(F(" I3:"));

      Serial.print(String(input3));

      Serial.print(F(" I4:"));

      Serial.println(String(input4));

  }

}



void setup() {

  setup_input();

  setup_output();

  setup_serial();

  print_chip_arduino();

}



void loop() {

  refreshCurrentTime();

  print_loopHeader();

  print_input();

  delay(1000); 

}

Code:

KEY1 PRESSED

KEY2 PRESSED

KEY3 PRESSED

KEY4 PRESSED

KEY5 PRESSED

KEY6 PRESSED

KEY7 PRESSED

KEY8 PRESSED

KEY9 PRESSED

KEY10 PRESSED

KEY11 PRESSED

KEY12 PRESSED

KEY13 PRESSED

KEY14 PRESSED

KEY15 PRESSED

KEY16 PRESSED

KEY17 PRESSED

KEY18 PRESSED

KEY19 PRESSED

KEY20 PRESSED

KEY21 PRESSED

KEY22 PRESSED

KEY23 PRESSED

KEY24 PRESSED

KEY25 PRESSED

KEY26 PRESSED

KEY27 PRESSED

KEY28 PRESSED

KEY29 PRESSED

KEY30 PRESSED

KEY31 PRESSED

KEY32 PRESSED