#include <IoAbstraction.h>
#include <IoAbstractionWire.h>
#include <TaskManagerIO.h>
#include <Wire.h>



// to make life easier, probably define each expander
    #define EXPANDER1 100

// Multi IO generieren mit Pin 0 - 99 für ESP8266
    MultiIoAbstractionRef multiIo = multiIoExpander(EXPANDER1);


//Encoder
    const uint8_t encoderAPin = 101;
    const uint8_t encoderBPin = 102;
    
    // the maximum value (starting from 0) that we want the encoder to represent. This range is inclusive.
    const int maximumEncoderValue = 1000;
    


// Each time the encoder value changes, this function runs, as we registered it as a callback
//
void onEncoderChange(int newValue) {
    Serial.print("Encoder change ");
    Serial.println(newValue);
}


void onSwitchPressed(uint8_t key, bool held) 
  {
    
    ioDeviceSync(multiIo); // force another sync
  
    Serial.print("Switch "); 
    Serial.print(key);
    Serial.println(held ? " Held down" : " Pressed");
  }



class RepeatButtonListener : public SwitchListener {
private:
    int counter;
public:
    void onPressed(pinid_t pin, bool held) override {
        ++counter;
        Serial.print("Repeat button pressed ");
        Serial.println(counter);
    }

    void onReleased(pinid_t pin, bool held) override {
        Serial.print("Released after presses ");
        Serial.println(counter);
        counter = 0;
    }
} repeatListener;




void setup() 
  {
          Wire.begin();

          //Serielle Sxchnittstelle und Monitor
          Serial.begin(9600);
          Serial.println(" Start Setup");

       

          //8574 Expander added, 10 Pin 100 - 109
          multiIoAddExpander ( multiIo, ioFrom8574(0x20), 10);          
          Serial.println("expander 8574:  Pin 100 bis 109 hinzu über multiIoAddExpander");

          
          // Pin 8574 definition of Pins
          
                ioDevicePinMode(multiIo, EXPANDER1,   INPUT);  //P0
                ioDevicePinMode(multiIo, EXPANDER1+0, INPUT);  //P1 Pin 100 ( P0 auf 8574) Taster
                ioDevicePinMode(multiIo, EXPANDER1+1, INPUT);  //P2 Pin 101 Encoder Pin A
                ioDevicePinMode(multiIo, EXPANDER1+2, INPUT);  //P3 Pin 102 Encoder Pin B
                ioDevicePinMode(multiIo, EXPANDER1+3, INPUT);  //P4 Pin 103 ( P3 auf 8574) Taster Drehimpulsgeber
                
              
        Serial.println("ioDevicePinMode für Pin 100 + 103 hinzu");
        Serial.println("Multi IoExpander example");
        Serial.println("Io is setup, adding switch");
                
                
                switches.initialise(multiIo, true);
                switches.addSwitch(EXPANDER1 +0, onSwitchPressed);
                switches.addSwitch(EXPANDER1 +3, onSwitchPressed);  
                /*
                switches.addSwitch(EXPANDER1 +1, onSwitchPressed); //Test CLK / PinA as switch
                switches.addSwitch(EXPANDER1 +2, onSwitchPressed); //Test DT / PinB
                */

    
    setupRotaryEncoderWithInterrupt(encoderAPin, encoderBPin, onEncoderChange, HWACCEL_REGULAR);
    
    switches.changeEncoderPrecision(0, 0);


        
       Serial.println("setup is done!");
  }





void loop() 
  {
  
    taskManager.runLoop();
  
    
  }