105 lines
3.0 KiB
C++
105 lines
3.0 KiB
C++
/*
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* IRremote: IRrelay - demonstrates receiving IR codes with IRrecv
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* Toggles an output pin at each command received
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* An IR detector/demodulator must be connected to the input RECV_PIN.
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* Version 0.1 July, 2009
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* Copyright 2009 Ken Shirriff
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* http://arcfn.com
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*/
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#include <IRremote.h>
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#if defined(ESP32)
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int IR_RECEIVE_PIN = 15;
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#else
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int IR_RECEIVE_PIN = 11;
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#endif
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int RELAY_PIN = 4; // is labeled D2 on the Chinese SAMD21 M0-Mini clone
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IRrecv IrReceiver(IR_RECEIVE_PIN);
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decode_results results;
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// On the Zero and others we switch explicitly to SerialUSB
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#if defined(ARDUINO_ARCH_SAMD)
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#define Serial SerialUSB
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// The Chinese SAMD21 M0-Mini clone has no led connected, if you connect it, it is on pin 24 like on the original board.
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// Attention! D2 and D4 are reversed on these boards
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//#undef LED_BUILTIN
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//#define LED_BUILTIN 25 // Or choose pin 25, it is the RX pin, but active low.
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#endif
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void dump();
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void setup() {
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pinMode(LED_BUILTIN, OUTPUT);
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pinMode(RELAY_PIN, OUTPUT);
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Serial.begin(115200);
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#if defined(__AVR_ATmega32U4__) || defined(SERIAL_USB) || defined(SERIAL_PORT_USBVIRTUAL)
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delay(2000); // To be able to connect Serial monitor after reset and before first printout
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#endif
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// Just to know which program is running on my Arduino
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Serial.println(F("START " __FILE__ " from " __DATE__));
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IrReceiver.enableIRIn(); // Start the receiver
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IrReceiver.blink13(true); // Enable feedback LED
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Serial.print(F("Ready to receive IR signals at pin "));
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Serial.println(IR_RECEIVE_PIN);
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}
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int on = 0;
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unsigned long last = millis();
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void loop() {
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if (IrReceiver.decode()) {
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// If it's been at least 1/4 second since the last
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// IR received, toggle the relay
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if (millis() - last > 250) {
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on = !on;
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Serial.print(F("Switch relay "));
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if (on) {
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digitalWrite(RELAY_PIN, HIGH);
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digitalWrite(LED_BUILTIN, HIGH);
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Serial.println(F("on"));
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} else {
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digitalWrite(RELAY_PIN, LOW);
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digitalWrite(LED_BUILTIN, LOW);
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Serial.println(F("off"));
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}
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dump();
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}
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last = millis();
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IrReceiver.resume(); // Receive the next value
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}
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}
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// Dumps out the decode_results structure.
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// Call this after IRrecv::decode()
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void dump() {
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int count = IrReceiver.results.rawlen;
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if (IrReceiver.results.decode_type == UNKNOWN) {
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Serial.println("Could not decode message");
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} else {
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IrReceiver.printResultShort(&Serial);
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Serial.print(" (");
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Serial.print(IrReceiver.results.bits, DEC);
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Serial.println(" bits)");
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}
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Serial.print("Raw (");
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Serial.print(count, DEC);
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Serial.print("): ");
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for (int i = 0; i < count; i++) {
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if ((i % 2) == 1) {
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Serial.print(IrReceiver.results.rawbuf[i] * MICROS_PER_TICK, DEC);
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} else {
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Serial.print(-(int) IrReceiver.results.rawbuf[i] * MICROS_PER_TICK, DEC);
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}
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Serial.print(" ");
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}
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Serial.println("");
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}
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