Arduino-IRremote/examples/ReceiveDemo/ReceiveDemo.ino

206 lines
9.0 KiB
C++

/*
* ReceiveDemo.cpp
*
* Demonstrates receiving IR codes with the IRremote library and the use of the Arduino tone() function with this library.
* If debug button is pressed (pin connected to ground) a long output is generated.
*
* This file is part of Arduino-IRremote https://github.com/Arduino-IRremote/Arduino-IRremote.
*
************************************************************************************
* MIT License
*
* Copyright (c) 2020-2022 Armin Joachimsmeyer
*
* 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.
*
************************************************************************************
*/
#include <Arduino.h>
/*
* Specify which protocol(s) should be used for decoding.
* If no protocol is defined, all protocols are active.
* This must be done before the #include <IRremote.hpp>
*/
//#define DECODE_LG
//#define DECODE_NEC
//#define DECODE_DISTANCE
// etc. see IRremote.hpp
//
#if RAMEND <= 0x4FF || (defined(RAMSIZE) && RAMSIZE < 0x4FF)
#define RAW_BUFFER_LENGTH 150 // 750 (600 if we have only 2k RAM) is the value for air condition remotes. Default is 112 if DECODE_MAGIQUEST is enabled, otherwise 100.
#define EXCLUDE_EXOTIC_PROTOCOLS // saves around 650 bytes program memory if all other protocols are active
#elif RAMEND <= 0x8FF || (defined(RAMSIZE) && RAMSIZE < 0x8FF)
#define RAW_BUFFER_LENGTH 600 // 750 (600 if we have only 2k RAM) is the value for air condition remotes. Default is 112 if DECODE_MAGIQUEST is enabled, otherwise 100.
#else
#define RAW_BUFFER_LENGTH 750 // 750 (600 if we have only 2k RAM) is the value for air condition remotes. Default is 112 if DECODE_MAGIQUEST is enabled, otherwise 100.
#endif
//#define NO_LED_FEEDBACK_CODE // saves 92 bytes program memory
//#define EXCLUDE_UNIVERSAL_PROTOCOLS // Saves up to 1000 bytes program memory.
//#define EXCLUDE_EXOTIC_PROTOCOLS // saves around 650 bytes program memory if all other protocols are active
// MARK_EXCESS_MICROS is subtracted from all marks and added to all spaces before decoding,
// to compensate for the signal forming of different IR receiver modules.
//#define MARK_EXCESS_MICROS 20 // 20 is recommended for the cheap VS1838 modules
//#define RECORD_GAP_MICROS 12000 // Activate it for some LG air conditioner protocols
//#define DEBUG // Activate this for lots of lovely debug output from the decoders.
#include "PinDefinitionsAndMore.h" // Define macros for input and output pin etc.
#include <IRremote.hpp>
#if defined(APPLICATION_PIN)
#define DEBUG_BUTTON_PIN APPLICATION_PIN // if low, print timing for each received data set
#else
#define DEBUG_BUTTON_PIN 6
#endif
void setup() {
#if FLASHEND >= 0x3FFF // For 16k flash or more, like ATtiny1604. Code does not fit in program memory of ATtiny85 etc.
pinMode(DEBUG_BUTTON_PIN, INPUT_PULLUP);
#endif
Serial.begin(115200);
#if defined(__AVR_ATmega32U4__) || defined(SERIAL_PORT_USBVIRTUAL) || defined(SERIAL_USB) /*stm32duino*/|| defined(USBCON) /*STM32_stm32*/|| defined(SERIALUSB_PID) || defined(ARDUINO_attiny3217)
delay(4000); // To be able to connect Serial monitor after reset or power up and before first print out. Do not wait for an attached Serial Monitor!
#endif
// Just to know which program is running on my Arduino
Serial.println(F("START " __FILE__ " from " __DATE__ "\r\nUsing library version " VERSION_IRREMOTE));
// In case the interrupt driver crashes on setup, give a clue
// to the user what's going on.
Serial.println(F("Enabling IRin..."));
// Start the receiver and if not 3. parameter specified, take LED_BUILTIN pin from the internal boards definition as default feedback LED
IrReceiver.begin(IR_RECEIVE_PIN, ENABLE_LED_FEEDBACK);
Serial.print(F("Ready to receive IR signals of protocols: "));
printActiveIRProtocols(&Serial);
Serial.println(F("at pin " STR(IR_RECEIVE_PIN)));
#if FLASHEND >= 0x3FFF // For 16k flash or more, like ATtiny1604. Code does not fit in program memory of ATtiny85 etc.
Serial.print(F("Debug button pin is "));
Serial.println(DEBUG_BUTTON_PIN);
// infos for receive
Serial.print(RECORD_GAP_MICROS);
Serial.println(F(" us is the (minimum) gap, after which the start of a new IR packet is assumed"));
Serial.print(MARK_EXCESS_MICROS);
Serial.println(F(" us are subtracted from all marks and added to all spaces for decoding"));
#endif
}
void loop() {
/*
* Check if received data is available and if yes, try to decode it.
* Decoded result is in the IrReceiver.decodedIRData structure.
*
* E.g. command is in IrReceiver.decodedIRData.command
* address is in command is in IrReceiver.decodedIRData.address
* and up to 32 bit raw data in IrReceiver.decodedIRData.decodedRawData
*/
if (IrReceiver.decode()) {
Serial.println();
#if FLASHEND >= 0x3FFF // For 16k flash or more, like ATtiny1604
if (IrReceiver.decodedIRData.flags & IRDATA_FLAGS_WAS_OVERFLOW) {
Serial.println(F("Overflow detected"));
Serial.println(F("Try to increase the \"RAW_BUFFER_LENGTH\" value of " STR(RAW_BUFFER_LENGTH) " in " __FILE__));
// see also https://github.com/Arduino-IRremote/Arduino-IRremote#compile-options--macros-for-this-library
# if !defined(ESP8266) && !defined(NRF5)
/*
* do double beep
*/
# if !defined(ESP32)
IrReceiver.stop(); // ESP32 uses another timer for tone()
# endif
tone(TONE_PIN, 1100, 10);
delay(50);
tone(TONE_PIN, 1100, 10);
delay(50);
# if !defined(ESP32)
IrReceiver.start(100000); // to compensate for 100 ms stop of receiver. This enables a correct gap measurement.
# endif
# endif
} else {
// Print a short summary of received data
IrReceiver.printIRResultShort(&Serial);
IrReceiver.printIRSendUsage(&Serial);
if (IrReceiver.decodedIRData.protocol == UNKNOWN || digitalRead(DEBUG_BUTTON_PIN) == LOW) {
// We have an unknown protocol, print more info
IrReceiver.printIRResultRawFormatted(&Serial, true);
}
}
// tone on esp8266 works once, then it disables the successful IrReceiver.start() / timerConfigForReceive().
# if !defined(ESP8266) && !defined(NRF5)
if (IrReceiver.decodedIRData.protocol != UNKNOWN && digitalRead(DEBUG_BUTTON_PIN) != LOW) {
/*
* If no debug mode or a valid protocol was received, play tone, wait and restore IR timer.
* Otherwise do not play a tone to get exact gap time between transmissions and not running into repeat frames while wait for tone to end.
* This will give the next CheckForRecordGapsMicros() call a chance to eventually propose a change of the current RECORD_GAP_MICROS value.
*/
# if !defined(ESP32)
IrReceiver.stop(); // ESP32 uses another timer for tone()
# endif
tone(TONE_PIN, 2200, 8);
# if !defined(ESP32)
delay(8);
IrReceiver.start(8000); // to compensate for 8 ms stop of receiver. This enables a correct gap measurement.
# endif
}
# endif
#else
// Print a minimal summary of received data
IrReceiver.printIRResultMinimal(&Serial);
#endif // FLASHEND
/*
* !!!Important!!! Enable receiving of the next value,
* since receiving has stopped after the end of the current received data packet.
*/
IrReceiver.resume();
/*
* Finally check the received data and perform actions according to the received address and commands
*/
if (IrReceiver.decodedIRData.address == 0) {
if (IrReceiver.decodedIRData.command == 0x10) {
// do something
} else if (IrReceiver.decodedIRData.command == 0x11) {
// do something else
}
}
} // if (IrReceiver.decode())
/*
* Your code here
* For all users of the FastLed library, use this code for strip.show() to improve receiving performance (which is still not 100%):
* if (IrReceiver.isIdle()) {
* strip.show();
* }
*/
}