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Added Esp32 IrSend Support #491

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Added Esp32 IrSend Support #491

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4 changes: 2 additions & 2 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -31,7 +31,7 @@ Whether you use the Adafruit Neopixel lib, or FastLED, interrupts get disabled o
- ATmega8535, 16, 32, 164, 324, 644, 1284,
- ATmega64, 128
- ATtiny 84 / 85
- ESP32 (receive only)
- ESP32
- ESP8266 is supported in a fork based on an old codebase that isn't as recent, but it works reasonably well given that perfectly timed sub millisecond interrupts are different on that chip. See https://github.com/markszabo/IRremoteESP8266

We are open to suggestions for adding support to new boards, however we highly recommend you contact your supplier first and ask them to provide support from their side.
Expand All @@ -50,7 +50,7 @@ We are open to suggestions for adding support to new boards, however we highly r
| [ATmega8535 ATmega16, ATmega32](https://github.com/MCUdude/MightyCore) | **13** | **1** |
| [ATmega64, ATmega128](https://github.com/MCUdude/MegaCore) | **13** | **1** |
| ATmega1280, ATmega2560 | 5, 6, **9**, 11, 46 | 1, **2**, 3, 4, 5 |
| [ESP32](http://esp32.net/) | N/A (not supported) | **1** |
| [ESP32](http://esp32.net/) | **5** configurable in boarddefs.h | **1** |
| [Teensy 1.0](https://www.pjrc.com/teensy/) | **17** | **1** |
| [Teensy 2.0](https://www.pjrc.com/teensy/) | 9, **10**, 14 | 1, 3, **4_HS** |
| [Teensy++ 1.0 / 2.0](https://www.pjrc.com/teensy/) | **1**, 16, 25 | 1, **2**, 3 |
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9 changes: 6 additions & 3 deletions boarddefs.h
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Expand Up @@ -560,9 +560,12 @@
// way to do this on ESP32 is using the RMT built in driver like in this incomplete library below
// https://github.com/ExploreEmbedded/ESP32_RMT
#elif defined(IR_TIMER_USE_ESP32)
#define TIMER_RESET
#define TIMER_ENABLE_PWM
#define TIMER_DISABLE_PWM Serial.println("IRsend not implemented for ESP32 yet");
#define TIMER_CHANNEL 1
#define TIMER_LENGHT 8 //8-bit Timer
#define TIMER_PWM_PIN 5
#define TIMER_ENABLE_PWM ledcAttachPin(TIMER_PWM_PIN, TIMER_CHANNEL);
#define TIMER_DISABLE_PWM ledcDetachPin(TIMER_PWM_PIN);
#define TIMER_RESET
#define TIMER_ENABLE_INTR
#define TIMER_DISABLE_INTR
#define TIMER_INTR_NAME
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6 changes: 4 additions & 2 deletions irSend.cpp
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Expand Up @@ -54,8 +54,10 @@ void IRsend::space (unsigned int time)
//
void IRsend::enableIROut (int khz)
{
// FIXME: implement ESP32 support, see IR_TIMER_USE_ESP32 in boarddefs.h
#ifndef ESP32
#ifdef ESP32
ledcSetup(TIMER_CHANNEL, khz*1000, TIMER_LENGHT); // channel, freq, timerLength
ledcWrite(TIMER_CHANNEL, (1<<(TIMER_LENGHT-1))); //50% Duty Cycle
#else
// Disable the Timer2 Interrupt (which is used for receiving IR)
TIMER_DISABLE_INTR; //Timer2 Overflow Interrupt

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