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PolledFullStepCounter.ino
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PolledFullStepCounter.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.
*/
/* Counter example polled full step Rotary Encoder
* 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 ROTARY_PIN1 2
#define ROTARY_PIN2 3
// Initialize full step rotary encoder with internal pull-up pins enabled
// and default sensitivity=100
RotaryFullStep rotary(ROTARY_PIN1, ROTARY_PIN2);
// Or initialize full step rotary encoder with internal pull-up pins disabled
// and default sensitivity=100
// RotaryFullStep rotary(ROTARY_PIN1, ROTARY_PIN2, false);
// Or initialize full step rotary encoder with internal pull-up pins enabled and
// sensitivity value 1..255
// A higher value is more sensitive
// RotaryFullStep rotary(ROTARY_PIN1, ROTARY_PIN2, true, 200);
// Global variables
int count = 0;
int countLast = 0;
void setup()
{
// Initialize Serial port
Serial.begin(115200);
while (!Serial) {
;
}
Serial.println(F("\nCounter example polled full step Rotary Encoder"));
// Change sensitivity
rotary.setSensitivity(125);
}
void loop()
{
int rotaryState;
// Read rotary state (Counter clockwise) -2, -1, 0, 1, 2 (Clockwise)
rotaryState = rotary.read();
// Count up or down by using rotary speed
if (rotaryState == 0) {
// No change
return;
} else if (abs(rotaryState) >= 2) {
count += rotaryState * 2;
} else {
count += rotaryState;
}
// Limit count to a minimum and maximum value
if (count > 100) {
count = 100;
}
if (count < 0) {
count = 0;
}
// Print count value when count value changed
if (countLast != count) {
countLast = count;
Serial.print(F("Count: "));
Serial.println(count);
}
}