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32 lines
604 B
32 lines
604 B
4 years ago
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#include "relay.h"
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Relay::Relay(byte pin) {
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// Use 'this->' to make the difference between the
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// 'pin' attribute of the class and the
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// local variable 'pin' created from the parameter.
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this->pin = pin;
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init();
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}
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void Relay::init() {
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pinMode(pin, OUTPUT);
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// Always try to avoid duplicate code.
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// Instead of writing digitalWrite(pin, LOW) here,
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// call the function off() which already does that
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off();
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}
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void Relay::on() {
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digitalWrite(pin, LOW);
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state = LOW;
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}
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void Relay::off() {
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digitalWrite(pin, HIGH);
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state = HIGH;
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}
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bool Relay::getState() {
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return !state;
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}
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