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Arduino-IRremote
Infrared remote library for Arduino: send and receive infrared signals with multiple protocols
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/* * SendAndReceive.cpp * * Demonstrates sending IR codes and receiving it simultaneously * * This file is part of Arduino-IRremote https://github.com/Arduino-IRremote/Arduino-IRremote. * ************************************************************************************ * MIT License * * Copyright (c) 2021-2023 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 // select only NEC and the universal decoder for pulse distance protocols #define DECODE_NEC // Includes Apple and Onkyo #define DECODE_DISTANCE_WIDTH // In case NEC is not received correctly. Universal decoder for pulse distance width protocols #define DECODE_SAMSUNG //#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 //#define NO_LED_FEEDBACK_CODE // saves 92 bytes program memory //#define RECORD_GAP_MICROS 12000 // Default is 5000. Activate it for some LG air conditioner protocols //#define SEND_PWM_BY_TIMER // Disable carrier PWM generation in software and use (restricted) hardware PWM. //#define USE_NO_SEND_PWM // Use no carrier PWM, just simulate an active low receiver signal. Overrides SEND_PWM_BY_TIMER definition //#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 #define DELAY_AFTER_SEND 2000 #define DELAY_AFTER_LOOP 5000 void setup() { Serial.begin(9600); #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)); // 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))); IrSender.begin(); // Start with IR_SEND_PIN as send pin and enable feedback LED at default feedback LED pin Serial.println(F("Send IR signals at pin " STR(IR_SEND_PIN))); #if FLASHEND >= 0x3FFF // For 16k flash or more, like ATtiny1604 // For esp32 we use PWM generation by ledcWrite() for each pin. # if !defined(SEND_PWM_BY_TIMER) && !defined(USE_NO_SEND_PWM) && !defined(ESP32) /* * Print internal software PWM generation info */ IrSender.enableIROut(38); // Call it with 38 kHz to initialize the values printed below Serial.print(F("Send signal mark duration is ")); Serial.print(IrSender.periodOnTimeMicros); Serial.print(F(" us, pulse correction is ")); Serial.print(IrSender.getPulseCorrectionNanos()); Serial.print(F(" ns, total period is ")); Serial.print(IrSender.periodTimeMicros); Serial.println(F(" us")); # endif // 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 } uint16_t sAddress = 0xB24D; uint16_t sCommand = 0x3FD; uint8_t sRepeats = 1; /* * Send NEC IR protocol */ void send_ir_data() { Serial.print(F("Sending: 0x")); Serial.print(sAddress, HEX); Serial.print(sCommand, HEX); Serial.println(sRepeats, HEX); Serial.flush(); // To avoid disturbing the software PWM generation by serial output interrupts // clip repeats at 4 if (sRepeats > 4) { sRepeats = 4; } // Results for the first loop to: Protocol=NEC Address=0x102 Command=0x34 Raw-Data=0xCB340102 (32 bits) IrSender.sendSamsung48(sAddress, sCommand, sRepeats); } void receive_ir_data() { if (IrReceiver.decode()) { Serial.print(F("Decoded protocol: ")); Serial.print(getProtocolString(IrReceiver.decodedIRData.protocol)); Serial.print(F(", decoded raw data: ")); #if (__INT_WIDTH__ < 32) Serial.print(IrReceiver.decodedIRData.decodedRawData, HEX); #else PrintULL::print(&Serial, IrReceiver.decodedIRData.decodedRawData, HEX); #endif Serial.print(F(", decoded address: ")); Serial.print(IrReceiver.decodedIRData.address, HEX); Serial.print(F(", decoded command: ")); Serial.println(IrReceiver.decodedIRData.command, HEX); IrReceiver.resume(); } } void loop() { /* * Print loop values */ Serial.println(); Serial.print(F("address=0x")); Serial.print(sAddress, HEX); Serial.print(F(" command=0x")); Serial.print(sCommand, HEX); Serial.print(F(" repeats=")); Serial.println(sRepeats); Serial.flush(); send_ir_data(); IrReceiver.restartAfterSend(); // Is a NOP if sending does not require a timer. // wait for the receiver state machine to detect the end of a protocol delay((RECORD_GAP_MICROS / 1000) + 5); receive_ir_data(); delay(2000); // Loop delay }