159 lines
6.3 KiB
C++
159 lines
6.3 KiB
C++
/*
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* SimpleReceiverWithCallback.cpp
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*
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* Demonstrates receiving NEC IR codes with IRrecv
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*
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* This file is part of Arduino-IRremote https://github.com/Arduino-IRremote/Arduino-IRremote.
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*
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************************************************************************************
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* MIT License
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*
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* Copyright (c) 2022 Armin Joachimsmeyer
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is furnished
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* to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
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* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
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* PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
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* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE
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* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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************************************************************************************
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*/
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/*
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* Specify which protocol(s) should be used for decoding.
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* If no protocol is defined, all protocols (except Bang&Olufsen) are active.
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* This must be done before the #include <IRremote.hpp>
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*/
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//#define DECODE_DENON // Includes Sharp
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//#define DECODE_JVC
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//#define DECODE_KASEIKYO
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//#define DECODE_PANASONIC // alias for DECODE_KASEIKYO
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//#define DECODE_LG
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#define DECODE_NEC // Includes Apple and Onkyo
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//#define DECODE_SAMSUNG
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//#define DECODE_SONY
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//#define DECODE_RC5
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//#define DECODE_RC6
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//#define DECODE_BOSEWAVE
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//#define DECODE_LEGO_PF
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//#define DECODE_MAGIQUEST
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//#define DECODE_WHYNTER
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//#define DECODE_FAST
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//#define DECODE_DISTANCE_WIDTH // Universal decoder for pulse distance width protocols
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//#define DECODE_HASH // special decoder for all protocols
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//#define DECODE_BEO // This protocol must always be enabled manually, i.e. it is NOT enabled if no protocol is defined. It prevents decoding of SONY!
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//#define DEBUG // Activate this for lots of lovely debug output from the decoders.
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//#define RAW_BUFFER_LENGTH 180 // Default is 112 if DECODE_MAGIQUEST is enabled, otherwise 100.
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#include <Arduino.h>
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#include "PinDefinitionsAndMore.h" // Define macros for input and output pin etc.
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#include <IRremote.hpp>
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/*
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* For callback
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*/
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#define PROCESS_IR_RESULT_IN_MAIN_LOOP
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#if defined(PROCESS_IR_RESULT_IN_MAIN_LOOP) || defined(ARDUINO_ARCH_MBED) || defined(ESP32)
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volatile bool sIRDataJustReceived = false;
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#endif
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void ReceiveCompleteCallbackHandler();
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void setup() {
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Serial.begin(115200);
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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__ "\r\nUsing library version " VERSION_IRREMOTE));
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// Start the receiver and if not 3. parameter specified, take LED_BUILTIN pin from the internal boards definition as default feedback LED
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IrReceiver.begin(IR_RECEIVE_PIN, ENABLE_LED_FEEDBACK);
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IrReceiver.registerReceiveCompleteCallback(ReceiveCompleteCallbackHandler);
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Serial.print(F("Ready to receive IR signals of protocols: "));
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printActiveIRProtocols (&Serial);
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Serial.println(F("at pin " STR(IR_RECEIVE_PIN)));
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}
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void loop() {
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/*
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* Print in loop (interrupts are enabled here) if received data is available.
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*/
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if (sIRDataJustReceived) {
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// Print a short summary of received data
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IrReceiver.printIRResultShort(&Serial);
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IrReceiver.printIRSendUsage(&Serial);
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if (IrReceiver.decodedIRData.protocol == UNKNOWN) {
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Serial.println(F("Received noise or an unknown (or not yet enabled) protocol"));
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/*
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* We have an unknown protocol here, print more info.
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* !!!Attention!!! This prints incorrect values, if we are late (not in this simple example :-))
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* and the the first mark of the next (repeat) data was yet received
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*/
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IrReceiver.printIRResultRawFormatted(&Serial, true); //
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}
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Serial.println();
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}
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}
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/*
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* Callback function
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* Here we know, that data is available.
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* This function is executed in ISR (Interrupt Service Routine) context (interrupts are blocked here).
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* Make it short and fast and keep in mind, that you can not use delay(), prints longer than print buffer size etc.,
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* because they require interrupts enabled to return.
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* In order to enable other interrupts you can call sei() (enable interrupt again) after evaluating/copying data.
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* Good practice, but somewhat more complex, is to copy relevant data and signal receiving to main loop.
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*/
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#if defined(ESP32) || defined(ESP8266)
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IRAM_ATTR
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# endif
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void ReceiveCompleteCallbackHandler() {
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IrReceiver.decode(); // fill IrReceiver.decodedIRData
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/*
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* Check the received data and perform actions according to the received command
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* Decoded result is in the IrReceiver.decodedIRData structure.
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*
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* E.g. command is in IrReceiver.decodedIRData.command,
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* address is in command is in IrReceiver.decodedIRData.address
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* and up to 32 bit raw data in IrReceiver.decodedIRData.decodedRawData
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*/
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if (IrReceiver.decodedIRData.command == 0x10) {
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// do something SHORT here
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} else if (IrReceiver.decodedIRData.command == 0x11) {
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// do something SHORT here too
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}
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/*
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* Set flag to trigger printing of results in main loop,
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* since printing should not be done in a callback function
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* running in ISR (Interrupt Service Routine) context where interrupts are disabled.
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*/
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sIRDataJustReceived = true;
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/*
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* Enable receiving of the next value.
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* !!!Attention!!!
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* After receiving the first mark of the next (repeat) data, 3 variables required for printing are reset/overwritten.
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* - IrReceiver.irparams.rawlen
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* - IrReceiver.irparams.rawbuf[0]
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* - IrReceiver.irparams.OverflowFlag)
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*/
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IrReceiver.resume();
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}
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