Added example test file for recs80

Completed adding recs80 sending and decoding
I have tested it using two arduinos (one for sending and the other for receiving) and have achieved a 90% (estimate) success rate.
2025-12-13 01:46:21 +00:00 · 2017-09-09 19:46:13 -04:00 · 2017-09-09 19:43:32 -04:00 · 2017-08-18 17:10:23 -06:00 · 2017-08-17 18:04:06 -06:00 · 2017-08-14 17:12:02 -06:00
36 changed files with 482 additions and 320 deletions
--- a/Contributors.md
+++ b/Contributors.md
@@ -18,5 +18,7 @@ These are the active contributors of this project that you may contact if there
 - [philipphenkel](https://github.com/philipphenkel): Active Contributor
 - [MCUdude](https://github.com/MCUdude): Contributor
 - [marcmerlin](https://github.com/marcmerlin): Contributor (ESP32 port)
+- [bengtmartensson](https://github.com/bengtmartensson): Active Contributor
+- [MrBryonMiller](https://github.com/MrBryonMiller): Contributor

 Note: This list is being updated constantly so please let [z3t0](https://github.com/z3t0) know if you have been missed.
--- a/README.md
+++ b/README.md
@@ -8,7 +8,7 @@ This library enables you to send and receive using infra-red signals on an Ardui

 Tutorials and more information will be made available on [the official homepage](http://z3t0.github.io/Arduino-IRremote/).

-## Version - 2.2.3
+## Version - 2.4.0b

 ## Installation
 1. Navigate to the [Releases](https://github.com/z3t0/Arduino-IRremote/releases) page.
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--- a/changelog.md
+++ b/changelog.md
@@ -1,3 +1,6 @@
+## 2.4.0 - 2017/08/10
+ - Cleanup of hardware dependencies. Merge in SAM support [PR #437](https://github.com/z3t0/Arduino-IRremote/pull/437)
+
 ## 2.3.3 - 2017/03/31
 - Added ESP32 IR receive support [PR #427](https://github.com/z3t0/Arduino-IRremote/pull/425)

--- a/examples/IRrecvDumpV2/IRrecvDumpV2.ino
+++ b/examples/IRrecvDumpV2/IRrecvDumpV2.ino
@@ -56,6 +56,7 @@ void  encoding (decode_results *results)
    case AIWA_RC_T501: Serial.print("AIWA_RC_T501");  break ;
    case PANASONIC:    Serial.print("PANASONIC");     break ;
    case DENON:        Serial.print("Denon");         break ;
+    case RECS80:       Serial.print("RECS80");        break ; 
  }
 }

--- a/examples/IRremoteInfo/IRremoteInfo.ino
+++ b/examples/IRremoteInfo/IRremoteInfo.ino
@@ -79,7 +79,7 @@ void dumpTIMER() {

 void dumpTimerPin() {
  Serial.print(F("IR Tx Pin: "));
-  Serial.println(TIMER_PWM_PIN);
+  Serial.println(SEND_PIN);
 }

 void dumpClock() {
--- a/examples/IRsendRECS80Test/IRsendRECS80Test.ino
+++ b/examples/IRsendRECS80Test/IRsendRECS80Test.ino
@@ -0,0 +1,16 @@
+
+#include <IRremote.h>
+
+IRsend irsend;
+
+void setup()
+{
+  delay(2000);
+}
+
+void loop() {
+  for (int i = 0; i < 512; i++) {
+    irsend.sendRECS80(i);
+    delay(5000); //5 second delay between each signal burst
+  }
+}
--- a/library.json
+++ b/library.json
@@ -7,7 +7,7 @@
    "type": "git",
    "url": "https://github.com/z3t0/Arduino-IRremote.git"
  },
-  "version": "2.3.3",
+  "version": "2.4.0",
  "frameworks": "arduino",
  "platforms": "atmelavr",
  "authors" :
--- a/library.properties
+++ b/library.properties
@@ -1,9 +1,9 @@
 name=IRremote
-version=2.2.3
-author=shirriff
-maintainer=shirriff
+version=2.4.0
+author=shirriff, z3t0
+maintainer=z3t0
 sentence=Send and receive infrared signals with multiple protocols
-paragraph=Send and receive infrared signals with multiple protocols
-category=Signal Input/Output
-url=https://github.com/shirriff/Arduino-IRremote.git
+paragraph=See more at https://github.com/z3t0/Arduino-IRremote
+category=Communication
+url=https://github.com/z3t0/Arduino-IRremote
 architectures=*
--- a/src/IRremote.cpp
+++ b/src/IRremote.cpp
@@ -24,7 +24,7 @@
 #	include "IRremoteInt.h"
 #undef IR_GLOBAL

-#ifndef IR_TIMER_USE_ESP32
+#ifdef HAS_AVR_INTERRUPT_H
 #include <avr/interrupt.h>
 #endif

@@ -123,11 +123,7 @@ int  MATCH_SPACE (int measured_ticks,  int desired_us)
 // As soon as first MARK arrives:
 //   Gap width is recorded; Ready is cleared; New logging starts
 //
-#ifdef IR_TIMER_USE_ESP32
-void IRTimer()
-#else
 ISR (TIMER_INTR_NAME)
-#endif
 {
 	TIMER_RESET;

@@ -189,6 +185,7 @@ ISR (TIMER_INTR_NAME)
 		 	break;
 	}

+#ifdef BLINKLED
 	// If requested, flash LED while receiving IR data
 	if (irparams.blinkflag) {
 		if (irdata == MARK)
@@ -197,4 +194,5 @@ ISR (TIMER_INTR_NAME)
 		else if (irparams.blinkpin) digitalWrite(irparams.blinkpin, LOW); // Turn user defined pin LED on
 				else BLINKLED_OFF() ;   // if no user defined LED pin, turn default LED pin for the hardware on
 	}
+#endif // BLINKLED
 }
--- a/src/IRremote.h
+++ b/src/IRremote.h
@@ -79,6 +79,9 @@
 #define DECODE_LEGO_PF       0 // NOT WRITTEN
 #define SEND_LEGO_PF         1

+#define DECODE_RECS80        1 // NOT WRITTEN
+#define SEND_RECS80          1 // Still being tested
+
 //------------------------------------------------------------------------------
 // When sending a Pronto code we request to send either the "once" code
 //                                                   or the "repeat" code
@@ -119,13 +122,14 @@ typedef
 		DENON,
 		PRONTO,
 		LEGO_PF,
+		RECS80,
 	}
 decode_type_t;

 //------------------------------------------------------------------------------
 // Set DEBUG to 1 for lots of lovely debug output
 //
-#define DEBUG  0
+#define DEBUG 0

 //------------------------------------------------------------------------------
 // Debug directives
@@ -251,6 +255,10 @@ class IRrecv
 #		if DECODE_LEGO_PF
 			bool  decodeLegoPowerFunctions (decode_results *results) ;
 #		endif
+
+#		if DECODE_RECS80
+		    bool decodeRECS80(decode_results *results);
+#		endif
 } ;

 //------------------------------------------------------------------------------
@@ -259,7 +267,18 @@ class IRrecv
 class IRsend
 {
 	public:
-		IRsend () { }
+#ifdef USE_SOFT_CARRIER
+
+		IRsend(int pin = SEND_PIN)
+		{
+			sendPin = pin;
+		}
+#else
+
+		IRsend()
+		{
+		}
+#endif

 		void  custom_delay_usec (unsigned long uSecs);
 		void  enableIROut 		(int khz) ;
@@ -339,6 +358,24 @@ class IRsend
 #		if SEND_LEGO_PF
 			void  sendLegoPowerFunctions (uint16_t data, bool repeat = true) ;
 #		endif
+		//......................................................................
+#		if SEND_RECS80
+			void  sendRECS80 (uint16_t data) ;
+#		endif
+
+#ifdef USE_SOFT_CARRIER
+	private:
+		int sendPin;
+
+		unsigned int periodTime;
+		unsigned int periodOnTime;
+		
+		void sleepMicros(unsigned long us);
+		void sleepUntilMicros(unsigned long targetTime);
+
+#else
+		const int sendPin = SEND_PIN;
+#endif
 } ;

 #endif
--- a/src/IRremoteInt.h
+++ b/src/IRremoteInt.h
@@ -18,15 +18,9 @@
 #define IRremoteint_h

 //------------------------------------------------------------------------------
-// Include the right Arduino header
+// Include the Arduino header
 //
-#if defined(ARDUINO) && (ARDUINO >= 100)
-#	include <Arduino.h>
-#else
-#	if !defined(IRPRONTO)
-#		include <WProgram.h>
-#	endif
-#endif
+#include <Arduino.h>

 //------------------------------------------------------------------------------
 // This handles definition and access to global variables
@@ -95,7 +89,7 @@ EXTERN  volatile irparams_t  irparams;
 #define UTOL            (1.0 + (TOLERANCE/100.))

 // Minimum gap between IR transmissions
-#define _GAP            5000
+#define _GAP            8000
 #define GAP_TICKS       (_GAP/USECPERTICK)

 #define TICKS_LOW(us)   ((int)(((us)*LTOL/USECPERTICK)))
--- a/src/boarddefs.h
+++ b/src/boarddefs.h
@@ -20,6 +20,32 @@
 #ifndef boarddefs_h
 #define boarddefs_h

+// Define some defaults, that some boards may like to override
+// (This is to avoid negative logic, ! DONT_... is just awkward.)
+
+// This board has/needs the avr/interrupt.h
+#define HAS_AVR_INTERRUPT_H
+
+// Define if sending is supported
+#define SENDING_SUPPORTED
+
+// If defined, a standard enableIRIn function will be define.
+// Undefine for boards supplying their own.
+#define USE_DEFAULT_ENABLE_IR_IN
+
+// Duty cycle in percent for sent signals. Presently takes effect only with USE_SOFT_CARRIER
+#define DUTY_CYCLE 50
+
+// If USE_SOFT_CARRIER, this amount (in micro seconds) is subtracted from the
+// on-time of the pulses.
+#define PULSE_CORRECTION 3
+
+// digitalWrite is supposed to be slow. If this is an issue, define faster,
+// board-dependent versions of these macros SENDPIN_ON(pin) and SENDPIN_OFF(pin).
+// Portable, possibly slow, default definitions are given at the end of this file.
+// If defining new versions, feel free to ignore the pin argument if it
+// is not configurable on the current board.
+
 //------------------------------------------------------------------------------
 // Defines for blinking the LED
 //
@@ -39,11 +65,31 @@
 #	define BLINKLED_ON()   (PORTD |= B00000001)
 #	define BLINKLED_OFF()  (PORTD &= B11111110)

-// No system LED on ESP32, disable blinking
+#elif defined(ARDUINO_ARCH_SAM) || defined(ARDUINO_ARCH_SAMD)
+#	define BLINKLED        LED_BUILTIN
+#	define BLINKLED_ON()   (digitalWrite(LED_BUILTIN, HIGH))
+#	define BLINKLED_OFF()  (digitalWrite(LED_BUILTIN, LOW))
+
+#	define USE_SOFT_CARRIER
+	// Define to use spin wait instead of delayMicros()
+//#	define USE_SPIN_WAIT
+#       undef USE_DEFAULT_ENABLE_IR_IN
+
+        // The default pin used used for sending.
+#	define SEND_PIN 9
+
 #elif defined(ESP32)
-#	define BLINKLED        255
-#	define BLINKLED_ON()   1
-#	define BLINKLED_OFF()  1
+        // No system LED on ESP32, disable blinking by NOT defining BLINKLED
+
+        // avr/interrupt.h is not present
+#       undef HAS_AVR_INTERRUPT_H
+
+        // Sending not implemented
+#       undef SENDING_SUPPORTED#
+
+        // Supply own enbleIRIn
+#       undef USE_DEFAULT_ENABLE_IR_IN
+
 #else
 #	define BLINKLED        13
 #	define BLINKLED_ON()  (PORTB |= B00100000)
@@ -138,6 +184,10 @@

 #elif defined(ESP32)
 	#define IR_TIMER_USE_ESP32
+
+#elif defined(ARDUINO_ARCH_SAM) || defined(ARDUINO_ARCH_SAMD)
+	#define TIMER_PRESCALER_DIV 64
+
 #else
 // Arduino Duemilanove, Diecimila, LilyPad, Mini, Fio, Nano, etc
 // ATmega48, ATmega88, ATmega168, ATmega328
@@ -190,17 +240,17 @@

 //-----------------
 #if defined(CORE_OC2B_PIN)
-#	define TIMER_PWM_PIN  CORE_OC2B_PIN  // Teensy
+#	define SEND_PIN  CORE_OC2B_PIN  // Teensy
 #elif defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__)
-#	define TIMER_PWM_PIN  9              // Arduino Mega
+#	define SEND_PIN  9              // Arduino Mega
 #elif defined(__AVR_ATmega1284__) || defined(__AVR_ATmega1284P__) \
 || defined(__AVR_ATmega644__) || defined(__AVR_ATmega644P__) \
 || defined(__AVR_ATmega324P__) || defined(__AVR_ATmega324A__) \
 || defined(__AVR_ATmega324PA__) || defined(__AVR_ATmega164A__) \
 || defined(__AVR_ATmega164P__)
-#	define TIMER_PWM_PIN  14             // MightyCore
+#	define SEND_PIN  14             // MightyCore
 #else
-#	define TIMER_PWM_PIN  3              // Arduino Duemilanove, Diecimila, LilyPad, etc
+#	define SEND_PIN  3              // Arduino Duemilanove, Diecimila, LilyPad, etc
 #endif					     // ATmega48, ATmega88, ATmega168, ATmega328

 //---------------------------------------------------------
@@ -243,22 +293,22 @@

 //-----------------
 #if defined(CORE_OC1A_PIN)
-#	define TIMER_PWM_PIN  CORE_OC1A_PIN  // Teensy
+#	define SEND_PIN  CORE_OC1A_PIN  // Teensy
 #elif defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__)
-#	define TIMER_PWM_PIN  11             // Arduino Mega
+#	define SEND_PIN  11             // Arduino Mega
 #elif defined(__AVR_ATmega64__) || defined(__AVR_ATmega128__)
-#	define TIMER_PWM_PIN  13	     // MegaCore
+#	define SEND_PIN  13	     // MegaCore
 #elif defined(__AVR_ATmega1284__) || defined(__AVR_ATmega1284P__) \
 || defined(__AVR_ATmega644__) || defined(__AVR_ATmega644P__) \
 || defined(__AVR_ATmega324P__) || defined(__AVR_ATmega324A__) \
 || defined(__AVR_ATmega324PA__) || defined(__AVR_ATmega164A__) \
 || defined(__AVR_ATmega164P__) || defined(__AVR_ATmega32__) \
 || defined(__AVR_ATmega16__) || defined(__AVR_ATmega8535__)
-#	define TIMER_PWM_PIN  13             // MightyCore
+#	define SEND_PIN  13             // MightyCore
 #elif defined(__AVR_ATtiny84__)
-# 	define TIMER_PWM_PIN  6
+# 	define SEND_PIN  6
 #else
-#	define TIMER_PWM_PIN  9              // Arduino Duemilanove, Diecimila, LilyPad, etc
+#	define SEND_PIN  9              // Arduino Duemilanove, Diecimila, LilyPad, etc
 #endif					     // ATmega48, ATmega88, ATmega168, ATmega328

 //---------------------------------------------------------
@@ -290,11 +340,11 @@

 //-----------------
 #if defined(CORE_OC3A_PIN)
-#	define TIMER_PWM_PIN  CORE_OC3A_PIN  // Teensy
+#	define SEND_PIN  CORE_OC3A_PIN  // Teensy
 #elif defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__)
-#	define TIMER_PWM_PIN  5              // Arduino Mega
+#	define SEND_PIN  5              // Arduino Mega
 #elif defined(__AVR_ATmega1284__) || defined(__AVR_ATmega1284P__)
-#	define TIMER_PWM_PIN  6              // MightyCore
+#	define SEND_PIN  6              // MightyCore
 #else
 #	error "Please add OC3A pin number here\n"
 #endif
@@ -338,9 +388,9 @@

 //-----------------
 #if defined(CORE_OC4A_PIN)
-#	define TIMER_PWM_PIN  CORE_OC4A_PIN  // Teensy
+#	define SEND_PIN  CORE_OC4A_PIN  // Teensy
 #elif defined(__AVR_ATmega32U4__)
-#	define TIMER_PWM_PIN  13             // Leonardo
+#	define SEND_PIN  13             // Leonardo
 #else
 #	error "Please add OC4A pin number here\n"
 #endif
@@ -374,9 +424,9 @@

 //-----------------
 #if defined(CORE_OC4A_PIN)
-#	define TIMER_PWM_PIN  CORE_OC4A_PIN
+#	define SEND_PIN  CORE_OC4A_PIN
 #elif defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__)
-#	define TIMER_PWM_PIN  6  // Arduino Mega
+#	define SEND_PIN  6  // Arduino Mega
 #else
 #	error "Please add OC4A pin number here\n"
 #endif
@@ -410,9 +460,9 @@

 //-----------------
 #if defined(CORE_OC5A_PIN)
-#	define TIMER_PWM_PIN  CORE_OC5A_PIN
+#	define SEND_PIN  CORE_OC5A_PIN
 #elif defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__)
-#	define TIMER_PWM_PIN  46  // Arduino Mega
+#	define SEND_PIN  46  // Arduino Mega
 #else
 #	error "Please add OC5A pin number here\n"
 #endif
@@ -479,7 +529,7 @@
 	CMT_MSC    = 0x03;            \
 })

-#define TIMER_PWM_PIN  5
+#define SEND_PIN  5

 // defines for TPM1 timer on Teensy-LC
 #elif defined(IR_USE_TIMER_TPM1)
@@ -509,7 +559,7 @@
 	FTM1_C0V = 0;                                \
 	FTM1_SC = FTM_SC_CLKS(1) | FTM_SC_PS(0) | FTM_SC_TOF | FTM_SC_TOIE; \
 })
-#define TIMER_PWM_PIN        16
+#define SEND_PIN        16

 // defines for timer_tiny0 (8 bits)
 #elif defined(IR_USE_TIMER_TINY0)
@@ -543,7 +593,7 @@
 })
 #endif

-#define TIMER_PWM_PIN        1  /* ATtiny85 */
+#define SEND_PIN        1  /* ATtiny85 */

 //---------------------------------------------------------
 // ESP32 (ESP8266 should likely be added here too)
@@ -560,12 +610,29 @@
 // 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_ENABLE_INTR    
-#define TIMER_DISABLE_INTR   
-#define TIMER_INTR_NAME      
+
+#define TIMER_RESET
+
+#ifdef ISR
+#	undef ISR
+#endif
+#define  ISR(f)  void IRTimer()
+
+#elif defined(ARDUINO_ARCH_SAM) || defined(ARDUINO_ARCH_SAMD)
+// use timer 3 hardcoded at this time
+
+#define TIMER_RESET
+#define TIMER_ENABLE_PWM     // Not presently used
+#define TIMER_DISABLE_PWM
+#define TIMER_ENABLE_INTR    NVIC_EnableIRQ(TC3_IRQn) // Not presently used    
+#define TIMER_DISABLE_INTR   NVIC_DisableIRQ(TC3_IRQn)
+#define TIMER_INTR_NAME      TC3_Handler // Not presently used
+#define TIMER_CONFIG_KHZ(f)
+
+#ifdef ISR
+#	undef ISR
+#endif
+#define  ISR(f)  void irs()

 //---------------------------------------------------------
 // Unknown Timer
@@ -574,4 +641,13 @@
 #	error "Internal code configuration error, no known IR_USE_TIMER# defined\n"
 #endif

+// Provide default definitions, portable but possibly slower than necessary.
+#ifndef SENDPIN_ON
+#define SENDPIN_ON(pin)  digitalWrite(pin, HIGH)
+#endif
+	
+#ifndef SENDPIN_OFF
+#define SENDPIN_OFF(pin) digitalWrite(pin, LOW)
+#endif
+
 #endif // ! boarddefs_h
--- a/src/esp32.cpp
+++ b/src/esp32.cpp
@@ -0,0 +1,39 @@
+#ifdef ESP32
+
+// This file contains functions specific to the ESP32.
+
+#include "IRremote.h"
+#include "IRremoteInt.h"
+
+// "Idiot check"
+#ifdef USE_DEFAULT_ENABLE_IR_IN
+#error Must undef USE_DEFAULT_ENABLE_IR_IN
+#endif
+
+hw_timer_t *timer;
+void IRTimer(); // defined in IRremote.cpp, masqueraded as ISR(TIMER_INTR_NAME)
+
+//+=============================================================================
+// initialization
+//
+void  IRrecv::enableIRIn ( )
+{
+// Interrupt Service Routine - Fires every 50uS
+	// ESP32 has a proper API to setup timers, no weird chip macros needed
+	// simply call the readable API versions :)
+	// 3 timers, choose #1, 80 divider nanosecond precision, 1 to count up
+	timer = timerBegin(1, 80, 1);
+	timerAttachInterrupt(timer, &IRTimer, 1);
+	// every 50ns, autoreload = true
+	timerAlarmWrite(timer, 50, true);
+	timerAlarmEnable(timer);
+
+	// Initialize state machine variables
+	irparams.rcvstate = STATE_IDLE;
+	irparams.rawlen = 0;
+
+	// Set pin modes
+	pinMode(irparams.recvpin, INPUT);
+}
+
+#endif // ESP32
--- a/src/irPronto.cpp
+++ b/src/irPronto.cpp
--- a/src/irRecv.cpp
+++ b/src/irRecv.cpp
@@ -1,10 +1,5 @@
 #include "IRremote.h"
 #include "IRremoteInt.h"
-
-#ifdef IR_TIMER_USE_ESP32
-hw_timer_t *timer;
-void IRTimer(); // defined in IRremote.cpp
-#endif

 //+=============================================================================
 // Decodes the received IR message
@@ -90,6 +85,11 @@ int  IRrecv::decode (decode_results *results)
 	if (decodeLegoPowerFunctions(results))  return true ;
 #endif

+#if DECODE_RECS80
+	DBG_PRINTLN("Attempting RECS80 decode");
+	if (decodeRECS80(results)) return true;
+#endif
+
 	// decodeHash returns a hash on any input.
 	// Thus, it needs to be last in the list.
 	// If you add any decodes, add them before this.
@@ -120,19 +120,10 @@ IRrecv::IRrecv (int recvpin, int blinkpin)
 //+=============================================================================
 // initialization
 //
+#ifdef USE_DEFAULT_ENABLE_IR_IN
 void  IRrecv::enableIRIn ( )
 {
-// Interrupt Service Routine - Fires every 50uS
-#ifdef ESP32
-	// ESP32 has a proper API to setup timers, no weird chip macros needed
-	// simply call the readable API versions :)
-	// 3 timers, choose #1, 80 divider nanosecond precision, 1 to count up
-	timer = timerBegin(1, 80, 1);
-	timerAttachInterrupt(timer, &IRTimer, 1);
-	// every 50ns, autoreload = true
-	timerAlarmWrite(timer, 50, true);
-	timerAlarmEnable(timer);
-#else
+// Interrupt Service Routine - Fires every 50uS
 	cli();
 	// Setup pulse clock timer interrupt
 	// Prescale /8 (16M/8 = 0.5 microseconds per tick)
@@ -146,7 +137,6 @@ void  IRrecv::enableIRIn ( )
 	TIMER_RESET;

 	sei();  // enable interrupts
-#endif

 	// Initialize state machine variables
 	irparams.rcvstate = STATE_IDLE;
@@ -155,14 +145,17 @@ void  IRrecv::enableIRIn ( )
 	// Set pin modes
 	pinMode(irparams.recvpin, INPUT);
 }
+#endif // USE_DEFAULT_ENABLE_IR_IN

 //+=============================================================================
 // Enable/disable blinking of pin 13 on IR processing
 //
 void  IRrecv::blink13 (int blinkflag)
 {
+#ifdef BLINKLED
 	irparams.blinkflag = blinkflag;
 	if (blinkflag)  pinMode(BLINKLED, OUTPUT) ;
+#endif
 }

 //+=============================================================================
--- a/src/irSend.cpp
+++ b/src/irSend.cpp
@@ -1,6 +1,7 @@
 #include "IRremote.h"
 #include "IRremoteInt.h"

+#ifdef SENDING_SUPPORTED
 //+=============================================================================
 void  IRsend::sendRaw (const unsigned int buf[],  unsigned int len,  unsigned int hz)
 {
@@ -15,14 +16,59 @@ void  IRsend::sendRaw (const unsigned int buf[],  unsigned int len,  unsigned in
 	space(0);  // Always end with the LED off
 }

+#ifdef USE_SOFT_CARRIER
+void inline IRsend::sleepMicros(unsigned long us)
+{
+#ifdef USE_SPIN_WAIT
+	sleepUntilMicros(micros() + us);
+#else
+	if (us > 0U) // Is this necessary? (Official docu https://www.arduino.cc/en/Reference/DelayMicroseconds does not tell.)
+		delayMicroseconds((unsigned int) us);
+#endif
+}
+
+void inline IRsend::sleepUntilMicros(unsigned long targetTime)
+{
+#ifdef USE_SPIN_WAIT
+	while (micros() < targetTime)
+		;
+#else
+        unsigned long now = micros();
+        if (now < targetTime)
+                sleepMicros(targetTime - now);
+#endif
+}
+#endif // USE_SOFT_CARRIER
+
 //+=============================================================================
 // Sends an IR mark for the specified number of microseconds.
 // The mark output is modulated at the PWM frequency.
 //
-void  IRsend::mark (unsigned int time)
+
+void IRsend::mark(unsigned int time)
 {
+#ifdef USE_SOFT_CARRIER
+	unsigned long start = micros();
+	unsigned long stop = start + time;
+	if (stop + periodTime < start)
+		// Counter wrap-around, happens very seldomly, but CAN happen.
+		// Just give up instead of possibly damaging the hardware.
+		return;
+
+	unsigned long nextPeriodEnding = start;
+	unsigned long now = micros();
+	while (now < stop) {
+		SENDPIN_ON(sendPin);
+		sleepMicros(periodOnTime);
+		SENDPIN_OFF(sendPin);
+		nextPeriodEnding += periodTime;
+		sleepUntilMicros(nextPeriodEnding);
+		now = micros();
+	}
+#else
 	TIMER_ENABLE_PWM; // Enable pin 3 PWM output
 	if (time > 0) custom_delay_usec(time);
+#endif
 }

 //+=============================================================================
@@ -54,13 +100,16 @@ 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 USE_SOFT_CARRIER
+	periodTime = (1000U + khz/2) / khz; // = 1000/khz + 1/2 = round(1000.0/khz)
+	periodOnTime = periodTime * DUTY_CYCLE / 100U - PULSE_CORRECTION;
+#endif
+	
 	// Disable the Timer2 Interrupt (which is used for receiving IR)
 	TIMER_DISABLE_INTR; //Timer2 Overflow Interrupt

-	pinMode(TIMER_PWM_PIN, OUTPUT);
-	digitalWrite(TIMER_PWM_PIN, LOW); // When not sending PWM, we want it low
+	pinMode(sendPin, OUTPUT);
+	SENDPIN_OFF(sendPin); // When not sending, we want it low

 	// COM2A = 00: disconnect OC2A
 	// COM2B = 00: disconnect OC2B; to send signal set to 10: OC2B non-inverted
@@ -68,7 +117,6 @@ void  IRsend::enableIROut (int khz)
 	// CS2  = 000: no prescaling
 	// The top value for the timer.  The modulation frequency will be SYSCLOCK / 2 / OCR2A.
 	TIMER_CONFIG_KHZ(khz);
-#endif
 }

 //+=============================================================================
@@ -88,3 +136,4 @@ void IRsend::custom_delay_usec(unsigned long uSecs) {
  //}
 }

+#endif // SENDING_SUPPORTED
--- a/src/ir_Aiwa.cpp
+++ b/src/ir_Aiwa.cpp
--- a/src/ir_Denon.cpp
+++ b/src/ir_Denon.cpp
--- a/src/ir_Dish.cpp
+++ b/src/ir_Dish.cpp
--- a/src/ir_JVC.cpp
+++ b/src/ir_JVC.cpp
--- a/src/ir_LG.cpp
+++ b/src/ir_LG.cpp
--- a/src/ir_Lego_PF.cpp
+++ b/src/ir_Lego_PF.cpp
--- a/src/ir_Lego_PF_BitStreamEncoder.h
+++ b/src/ir_Lego_PF_BitStreamEncoder.h
--- a/src/ir_Mitsubishi.cpp
+++ b/src/ir_Mitsubishi.cpp
--- a/src/ir_NEC.cpp
+++ b/src/ir_NEC.cpp
--- a/src/ir_Panasonic.cpp
+++ b/src/ir_Panasonic.cpp
--- a/src/ir_RC5_RC6.cpp
+++ b/src/ir_RC5_RC6.cpp
--- a/src/ir_RECS80.cpp
+++ b/src/ir_RECS80.cpp
@@ -0,0 +1,92 @@
+#include "IRremote.h"
+#include "IRremoteInt.h"
+
+// RECS80
+// Documentation : http://www.sbprojects.com/knowledge/ir/recs80.php
+
+#define RECS80_MARK 158
+#define RECS80_ONE_SPACE 7432
+#define RECS80_ZERO_SPACE 4902
+#define RECS80_BITS 12
+#define RECS80_BITS_DATA 9
+#define RECS80_ADDRESS_BITS 3
+#define RECS80_COMMAND_BITS 6
+
+#if SEND_RECS80
+
+void IRsend::sendRECS80 (uint16_t data) {
+  // Set IR carrier frequency
+  enableIROut(38);
+
+  // Header
+  mark(RECS80_MARK);
+  space(RECS80_ONE_SPACE);
+
+  // Data: address and command
+  for (uint16_t mask = 1 << (RECS80_COMMAND_BITS + RECS80_ADDRESS_BITS - 1); mask; mask >>=1) {
+    mark(RECS80_MARK);
+
+    if (data & mask) {
+      space(RECS80_ONE_SPACE);
+    } else {
+      space(RECS80_ZERO_SPACE);
+    }
+
+  }
+
+  mark(RECS80_MARK);
+  space(0);
+}
+
+
+#endif // SEND_RECS80
+
+#if DECODE_RECS80
+
+bool IRrecv::decodeRECS80 (decode_results *results)
+{
+  long data = 0;
+  long offset = 1;
+
+  // Check that there is enough data
+  if (irparams.rawlen < (2 * RECS80_BITS) - 2) {
+
+    DBG_PRINTLN("Not long enough");
+    DBG_PRINTLN(irparams.rawlen);
+
+    return false;
+  }
+
+  // Initial mark and space
+  if (!MATCH_MARK(results->rawbuf[offset++], RECS80_MARK)) return false;
+  if (!MATCH_SPACE(results->rawbuf[offset++], RECS80_ONE_SPACE)) return false;
+
+  // Data: Address and command stored as one variable
+  for (int i = 0; i < (RECS80_ADDRESS_BITS + RECS80_COMMAND_BITS); i++) {
+    if (!MATCH_MARK(results->rawbuf[offset++], RECS80_MARK)) return false;
+
+    // One
+    if (MATCH_MARK(results->rawbuf[offset], RECS80_ONE_SPACE))
+      data = (data << 1) | 1; 
+
+    // Zero
+    else if (MATCH_MARK(results->rawbuf[offset], RECS80_ZERO_SPACE))
+      data = (data << 1) | 0;
+
+    else return false;
+    offset++;
+  }
+
+  if (!MATCH_MARK(results->rawbuf[offset], RECS80_MARK)) return false;
+
+  // Success
+  results->decode_type = RECS80;
+  results->bits = RECS80_BITS_DATA;
+  results->value = data;
+
+  return true;
+  
+
+}
+
+#endif
--- a/src/ir_Samsung.cpp
+++ b/src/ir_Samsung.cpp
--- a/src/ir_Sanyo.cpp
+++ b/src/ir_Sanyo.cpp
--- a/src/ir_Sharp.cpp
+++ b/src/ir_Sharp.cpp
--- a/src/ir_Sony.cpp
+++ b/src/ir_Sony.cpp
--- a/src/ir_Template.cpp
+++ b/src/ir_Template.cpp
--- a/src/ir_Whynter.cpp
+++ b/src/ir_Whynter.cpp
--- a/src/sam.cpp
+++ b/src/sam.cpp
@@ -0,0 +1,102 @@
+// Support routines for SAM processor boards
+
+#include "IRremote.h"
+#include "IRremoteInt.h"
+
+#if defined(ARDUINO_ARCH_SAM) || defined(ARDUINO_ARCH_SAMD)
+
+// "Idiot check"
+#ifdef USE_DEFAULT_ENABLE_IR_IN
+#error Must undef USE_DEFAULT_ENABLE_IR_IN
+#endif
+
+//+=============================================================================
+// ATSAMD Timer setup & IRQ functions
+//
+
+// following based on setup from GitHub jdneo/timerInterrupt.ino
+
+static void setTimerFrequency(int frequencyHz)
+{
+	int compareValue = (SYSCLOCK / (TIMER_PRESCALER_DIV * frequencyHz)) - 1;
+	//Serial.println(compareValue);
+	TcCount16* TC = (TcCount16*) TC3;
+	// Make sure the count is in a proportional position to where it was
+	// to prevent any jitter or disconnect when changing the compare value.
+	TC->COUNT.reg = map(TC->COUNT.reg, 0, TC->CC[0].reg, 0, compareValue);
+	TC->CC[0].reg = compareValue;
+	//Serial.print("COUNT.reg ");
+	//Serial.println(TC->COUNT.reg);
+	//Serial.print("CC[0].reg ");
+	//Serial.println(TC->CC[0].reg);
+	while (TC->STATUS.bit.SYNCBUSY == 1);
+}
+
+static void startTimer()
+{
+	REG_GCLK_CLKCTRL = (uint16_t) (GCLK_CLKCTRL_CLKEN | GCLK_CLKCTRL_GEN_GCLK0 | GCLK_CLKCTRL_ID_TCC2_TC3);
+	while (GCLK->STATUS.bit.SYNCBUSY == 1); // wait for sync
+
+	TcCount16* TC = (TcCount16*) TC3;
+
+	TC->CTRLA.reg &= ~TC_CTRLA_ENABLE;
+	while (TC->STATUS.bit.SYNCBUSY == 1); // wait for sync
+
+	// Use the 16-bit timer
+	TC->CTRLA.reg |= TC_CTRLA_MODE_COUNT16;
+	while (TC->STATUS.bit.SYNCBUSY == 1); // wait for sync
+
+	// Use match mode so that the timer counter resets when the count matches the compare register
+	TC->CTRLA.reg |= TC_CTRLA_WAVEGEN_MFRQ;
+	while (TC->STATUS.bit.SYNCBUSY == 1); // wait for sync
+
+	// Set prescaler to 1024
+	//TC->CTRLA.reg |= TC_CTRLA_PRESCALER_DIV1024;
+	TC->CTRLA.reg |= TC_CTRLA_PRESCALER_DIV64;
+	while (TC->STATUS.bit.SYNCBUSY == 1); // wait for sync
+
+	setTimerFrequency(1000000 / USECPERTICK);
+	
+	// Enable the compare interrupt
+	TC->INTENSET.reg = 0;
+	TC->INTENSET.bit.MC0 = 1;
+
+	NVIC_EnableIRQ(TC3_IRQn);
+
+	TC->CTRLA.reg |= TC_CTRLA_ENABLE;
+	while (TC->STATUS.bit.SYNCBUSY == 1); // wait for sync
+}
+
+//+=============================================================================
+// initialization
+//
+
+void IRrecv::enableIRIn()
+{
+	// Interrupt Service Routine - Fires every 50uS
+	//Serial.println("Starting timer");
+	startTimer();
+	//Serial.println("Started timer");
+
+	// Initialize state machine variables
+	irparams.rcvstate = STATE_IDLE;
+	irparams.rawlen = 0;
+
+	// Set pin modes
+	pinMode(irparams.recvpin, INPUT);
+}
+
+void irs(); // Defined in IRRemote as ISR(TIMER_INTR_NAME)
+
+void TC3_Handler(void)
+{
+	TcCount16* TC = (TcCount16*) TC3;
+	// If this interrupt is due to the compare register matching the timer count
+	// we toggle the LED.
+	if (TC->INTFLAG.bit.MC0 == 1) {
+		TC->INTFLAG.bit.MC0 = 1;
+		irs();
+	}
+}
+
+#endif // defined(ARDUINO_ARCH_SAM) || defined(ARDUINO_ARCH_SAMD)
Author	SHA1	Message	Date
Rafi Khan	222630922f	Added example test file for recs80	2017-09-09 19:46:13 -04:00
Rafi Khan	9b39a2f7dc	Completed adding recs80 sending and decoding I have tested it using two arduinos (one for sending and the other for receiving) and have achieved a 90% (estimate) success rate.	2017-09-09 19:43:32 -04:00
Rafi Khan	42b791f9ad	Fixed bugs and added defines Ready for testing	2017-08-18 17:10:23 -06:00
Rafi Khan	c43d221a7b	Added sending for RECS80 Has not yet been tested	2017-08-17 18:04:06 -06:00
Rafi Khan	4eb95a3272	Revert "Removed blinking led" This reverts commit `a406f3b9f9`.	2017-08-14 17:12:02 -06:00
Rafi Khan	542516f116	Revert "Removed pronto "protocol"" This reverts commit `563c82c6c4`.	2017-08-13 12:03:54 -06:00
Rafi Khan	563c82c6c4	Removed pronto "protocol" Fixes #466	2017-08-13 11:46:58 -06:00
Rafi Khan	a406f3b9f9	Removed blinking led It is difficult to maintain this over different architectures and also not entirely that useful. Fixes #462	2017-08-13 11:43:32 -06:00
Rafi Khan	31968a4875	Removed redundant preprocessor directives In the newer versions of the IDE it is sufficient to simply include the Arduino.h header file. Fixes #463	2017-08-13 11:30:06 -06:00
Rafi Khan	635e8a923d	Restructuring directory as per #464	2017-08-13 11:19:20 -06:00
Rafi Khan	b0d15b6020	Modified library.json	2017-08-13 11:05:50 -06:00
Rafi Khan	622e28bf69	Update library.properties	2017-08-13 11:05:12 -06:00
Rafi Khan	e1768b4deb	Added changelog info	2017-08-10 17:01:44 -06:00
Rafi Khan	679348568d	merge #437	2017-08-10 16:57:54 -06:00