Arduino-IRremote/examples/SimpleSender/SimpleSender.ino

83 lines
2.9 KiB
C++

/*
* SimpleSender.cpp
*
* Demonstrates sending IR codes in standard format with address and command
* An extended example for sending can be found as SendDemo.
*
* Copyright (C) 2020-2022 Armin Joachimsmeyer
* armin.joachimsmeyer@gmail.com
*
* This file is part of Arduino-IRremote https://github.com/Arduino-IRremote/Arduino-IRremote.
*
* MIT License
*/
#include <Arduino.h>
#if !defined(ARDUINO_ESP32C3_DEV) // This is due to a bug in RISC-V compiler, which requires unused function sections :-(.
#define DISABLE_CODE_FOR_RECEIVER // Disables static receiver code like receive timer ISR handler and static IRReceiver and irparams data. Saves 450 bytes program memory and 269 bytes RAM if receiving functions are not required.
#endif
//#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
/*
* This include defines the actual pin number for pins like IR_RECEIVE_PIN, IR_SEND_PIN for many different boards and architectures
*/
#include "PinDefinitionsAndMore.h"
#include <IRremote.hpp> // include the library
void setup() {
pinMode(LED_BUILTIN, OUTPUT);
Serial.begin(115200);
// Just to know which program is running on my Arduino
Serial.println(F("START " __FILE__ " from " __DATE__ "\r\nUsing library version " VERSION_IRREMOTE));
Serial.print(F("Send IR signals at pin "));
Serial.println(IR_SEND_PIN);
/*
* The IR library setup. That's all!
*/
IrSender.begin(); // Start with IR_SEND_PIN -which is defined in PinDefinitionsAndMore.h- as send pin and enable feedback LED at default feedback LED pin
disableLEDFeedback(); // Disable feedback LED at default feedback LED pin
}
/*
* Set up the data to be sent.
* For most protocols, the data is build up with a constant 8 (or 16 byte) address
* and a variable 8 bit command.
* There are exceptions like Sony and Denon, which have 5 bit address.
*/
uint8_t sCommand = 0x34;
uint8_t sRepeats = 0;
void loop() {
/*
* Print current send values
*/
Serial.println();
Serial.print(F("Send now: address=0x00, command=0x"));
Serial.print(sCommand, HEX);
Serial.print(F(", repeats="));
Serial.print(sRepeats);
Serial.println();
Serial.println(F("Send standard NEC with 8 bit address"));
Serial.flush();
// Receiver output for the first loop must be: Protocol=NEC Address=0x102 Command=0x34 Raw-Data=0xCB340102 (32 bits)
IrSender.sendNEC(0x00, sCommand, sRepeats);
/*
* Increment send values
*/
sCommand += 0x11;
sRepeats++;
// clip repeats at 4
if (sRepeats > 4) {
sRepeats = 4;
}
delay(1000); // delay must be greater than 5 ms (RECORD_GAP_MICROS), otherwise the receiver sees it as one long signal
}