# Case of use

The ArduinoRotaryEncoderControl allow you to send 2 commands depending on direction of a rotary encoder plug into your Arduino board.

This class is compatible with "incremental encoder" (see wikipedia Incremental encoder page (opens new window) for more information).

# Arduino connection

Board view Sketch view
Rotary encoder connection (board view) Rotary encoder connection (sketch view)

# Code sample

#include "src/RomgereCockpit/Application/CockpitMainApplication.h"
#include "src/RomgereCockpit/CommunicationInterface/EthernetInterface.h"
#include "src/RomgereCockpit/ArduinoControl/ArduinoRotaryEncoderControl.h"

CockpitMainApplication  *cockpitApp;
EthernetInterface       *ethernetInterface;

void setup() {
  ethernetInterface = new EthernetInterface( ... );
  cockpitApp = new CockpitMainApplication(ethernetInterface);

  //Declare and bind control with command
    new ArduinoRotaryEncoderControl(5,6, ArduinoRotaryEncoderControl::Type3Encoder), //Create type 3 encoder on PIN 5 & 6
    new XPlaneSimpleCommand("sim/instruments/barometer_up"), //Send "Baro selection up" command to X-Plane
    new XPlaneSimpleCommand("sim/instruments/barometer_down") //Send "Baro selection down" command to X-Plane

void loop() {

# Encoder type

ArduinoRotaryEncoderControl class allow 4 configurations of rotary encoder depending on the number of state changes between 2 detents : Rotary encoder type More information in ArduinoRotaryEncoderControl.cpp (opens new window) file's header

An encoder type can be one of the type below :

  1. ArduinoRotaryEncoderControl::Type1Encoder
  2. ArduinoRotaryEncoderControl::Type2Encoder
  3. ArduinoRotaryEncoderControl::Type3Encoder
  4. ArduinoRotaryEncoderControl::Type4Encoder

# Options (constructor parameters)

Here is the definition of the ArduinoRotaryEncoderControl constructor :

Multi arduino board OFF : ArduinoRotaryEncoderControl( uint8_t pin1, uint8_t pin2, RotaryEncoderType type, bool usePullUpPin = false);

Multi arduino board ON : ArduinoRotaryEncoderControl( uint8_t pin1, uint8_t pin2, RotaryEncoderType type, bool usePullUpPin = false, int boardAddress = -1);

Arguments definition :

  1. uint8_t pin1 : PIN n°1 on which Toggle switch is plug.
  2. uint8_t pin2 : PIN n°2 on which Toggle switch is plug.
  3. RotaryEncoderType type : Type of encoder (1 to 4 see above "Encoder type").
  4. bool usePullUpPin (default: false) : If set to true, PIN will be init with INPUT_PULLUP mode or with INPUT otherwise.
  5. int boardAddress (default: -1) : Address of slave board on which xxxx is plug (-1 = plug on main board). Available only if you previously enable the "multi board mode"