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PolledFullStepMultiple.ino
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PolledFullStepMultiple.ino
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/*
* MIT License
*
* Copyright (c) 2018-2021 Erriez
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
/* Example multiple polled full step Rotary Encoders
* Source: https://github.com/Erriez/ErriezRotaryEncoderFullStep
* Documentation: https://erriez.github.io/ErriezRotaryEncoderFullStep
*/
#include <ErriezRotaryFullStep.h>
// Connect rotary pins to the DIGITAL or ANALOG pins of the Arduino board
// Use A0..A7 when using analog pins
#define ROTARY1_PIN1 2
#define ROTARY1_PIN2 3
#define ROTARY1_BUTTON_PIN 4
#define ROTARY2_PIN1 5
#define ROTARY2_PIN2 6
#define ROTARY2_BUTTON_PIN 7
// Configure a number of rotaries
#define NUM_ROTARIES 2
// Initialize full step rotary encoder with internal pull-up pins enabled
// and default sensitivity=100
RotaryFullStep rotaries[NUM_ROTARIES] = {
RotaryFullStep(ROTARY1_PIN1, ROTARY1_PIN2),
RotaryFullStep(ROTARY2_PIN1, ROTARY2_PIN2)
};
// Global variables
int pinStateLast[NUM_ROTARIES];
// Forward declarations
void handleRotaryButton(uint8_t rotaryId);
void setup()
{
// Initialize Serial port
Serial.begin(115200);
while (!Serial) {
;
}
Serial.println(F("\nExample multiple polled full step Rotary Encoders"));
Serial.println(F("Press the rotary button to change sensitivity"));
// Enable internal pull-up for the rotary button pins
pinMode(ROTARY1_BUTTON_PIN, INPUT_PULLUP);
pinMode(ROTARY2_BUTTON_PIN, INPUT_PULLUP);
}
void loop()
{
// Handle multiple Rotary Encoders
for (uint8_t i = 0; i < NUM_ROTARIES; i++) {
// Handle rotary button
handleRotaryButton(i);
// Read rotary state
int rotaryState = rotaries[i].read();
// Print count value when rotary changed
if ((rotaryState > 0) || (rotaryState < 0)) {
Serial.print(F("Rotary "));
Serial.print(i + 1);
Serial.print(F(": "));
Serial.println(rotaryState);
}
}
}
void handleRotaryButton(uint8_t rotaryId)
{
int pinState;
// Read Rotary button state
switch (rotaryId) {
case 0:
pinState = digitalRead(ROTARY1_BUTTON_PIN);
break;
case 1:
pinState = digitalRead(ROTARY2_BUTTON_PIN);
break;
default:
return;
}
// Check if Rotary button state changed
if (pinStateLast[rotaryId] != pinState) {
pinStateLast[rotaryId] = pinState;
// Check if button is down
if (pinState == 0) {
uint8_t sensitivity;
// Get current Rotary sensitivity
sensitivity = rotaries[rotaryId].getSensitivity();
// Increment sensitivity value in steps of 50
if (sensitivity >= 250) {
sensitivity = 0;
} else {
sensitivity += 50;
}
// Print new sensitivity value on Serial
Serial.print(F("Rotary "));
Serial.print(rotaryId + 1);
Serial.print(F(" sensitivity: "));
Serial.println(sensitivity);
// Set new Rotary sensitivity value
rotaries[rotaryId].setSensitivity(sensitivity);
}
}
}