First UNO R4 support

.github/workflows/LibraryBuild.yml

@@ -55,6 +55,7 @@ jobs:
           - arduino:avr:leonardo
           - arduino:megaavr:nona4809:mode=off
           - arduino:samd:arduino_zero_native
+          - arduino:renesas_uno:unor4wifi
           - adafruit:samd:adafruit_metro_m4:cache=on,speed=120,opt=small,maxqspi=50,usbstack=arduino,debug=off
           - arduino:mbed:nano33ble
           - arduino:mbed_rp2040:pico
@@ -138,6 +139,11 @@ jobs:
             build-properties: # the flags were put in compiler.cpp.extra_flags
               IRremoteExtensionTest: -DRAW_BUFFER_LENGTH=100
 
+          - arduino-boards-fqbn: arduino:renesas_uno:unor4wifi
+            sketches-exclude: TinyReceiver,IRDispatcherDemo
+            build-properties: # the flags were put in compiler.cpp.extra_flags
+              IRremoteExtensionTest: -DRAW_BUFFER_LENGTH=700
+
           - arduino-boards-fqbn: adafruit:samd:adafruit_metro_m4:cache=on,speed=120,opt=small,maxqspi=50,usbstack=arduino,debug=off
             platform-url: https://adafruit.github.io/arduino-board-index/package_adafruit_index.json
             sketches-exclude: TinyReceiver,IRDispatcherDemo

examples/AllProtocolsOnLCD/PinDefinitionsAndMore.h

@@ -153,6 +153,15 @@
 #    endif
 #  endif // defined(__AVR_ATtiny25__)...
 
+#elif defined(ARDUINO_ARCH_RENESAS_UNO) // UNO R4
+// To be compatible with UNO R3.
+#define IR_RECEIVE_PIN      2
+#define IR_SEND_PIN         3
+#define TONE_PIN            4
+#define APPLICATION_PIN     5
+#define ALTERNATIVE_IR_FEEDBACK_LED_PIN 6 // E.g. used for examples which use LED_BUILDIN for example output.
+#define _IR_TIMING_TEST_PIN 7
+
 #elif defined(ESP8266)
 #define FEEDBACK_LED_IS_ACTIVE_LOW // The LED on my board (D4) is active LOW
 #define IR_RECEIVE_PIN          14 // D5

examples/ControlRelay/PinDefinitionsAndMore.h

@@ -153,6 +153,15 @@
 #    endif
 #  endif // defined(__AVR_ATtiny25__)...
 
+#elif defined(ARDUINO_ARCH_RENESAS_UNO) // UNO R4
+// To be compatible with UNO R3.
+#define IR_RECEIVE_PIN      2
+#define IR_SEND_PIN         3
+#define TONE_PIN            4
+#define APPLICATION_PIN     5
+#define ALTERNATIVE_IR_FEEDBACK_LED_PIN 6 // E.g. used for examples which use LED_BUILDIN for example output.
+#define _IR_TIMING_TEST_PIN 7
+
 #elif defined(ESP8266)
 #define FEEDBACK_LED_IS_ACTIVE_LOW // The LED on my board (D4) is active LOW
 #define IR_RECEIVE_PIN          14 // D5

examples/IRDispatcherDemo/PinDefinitionsAndMore.h

@@ -153,6 +153,15 @@
 #    endif
 #  endif // defined(__AVR_ATtiny25__)...
 
+#elif defined(ARDUINO_ARCH_RENESAS_UNO) // UNO R4
+// To be compatible with UNO R3.
+#define IR_RECEIVE_PIN      2
+#define IR_SEND_PIN         3
+#define TONE_PIN            4
+#define APPLICATION_PIN     5
+#define ALTERNATIVE_IR_FEEDBACK_LED_PIN 6 // E.g. used for examples which use LED_BUILDIN for example output.
+#define _IR_TIMING_TEST_PIN 7
+
 #elif defined(ESP8266)
 #define FEEDBACK_LED_IS_ACTIVE_LOW // The LED on my board (D4) is active LOW
 #define IR_RECEIVE_PIN          14 // D5

examples/IRremoteExtensionTest/PinDefinitionsAndMore.h

@@ -153,6 +153,15 @@
 #    endif
 #  endif // defined(__AVR_ATtiny25__)...
 
+#elif defined(ARDUINO_ARCH_RENESAS_UNO) // UNO R4
+// To be compatible with UNO R3.
+#define IR_RECEIVE_PIN      2
+#define IR_SEND_PIN         3
+#define TONE_PIN            4
+#define APPLICATION_PIN     5
+#define ALTERNATIVE_IR_FEEDBACK_LED_PIN 6 // E.g. used for examples which use LED_BUILDIN for example output.
+#define _IR_TIMING_TEST_PIN 7
+
 #elif defined(ESP8266)
 #define FEEDBACK_LED_IS_ACTIVE_LOW // The LED on my board (D4) is active LOW
 #define IR_RECEIVE_PIN          14 // D5

examples/MicroGirs/PinDefinitionsAndMore.h

@@ -153,6 +153,15 @@
 #    endif
 #  endif // defined(__AVR_ATtiny25__)...
 
+#elif defined(ARDUINO_ARCH_RENESAS_UNO) // UNO R4
+// To be compatible with UNO R3.
+#define IR_RECEIVE_PIN      2
+#define IR_SEND_PIN         3
+#define TONE_PIN            4
+#define APPLICATION_PIN     5
+#define ALTERNATIVE_IR_FEEDBACK_LED_PIN 6 // E.g. used for examples which use LED_BUILDIN for example output.
+#define _IR_TIMING_TEST_PIN 7
+
 #elif defined(ESP8266)
 #define FEEDBACK_LED_IS_ACTIVE_LOW // The LED on my board (D4) is active LOW
 #define IR_RECEIVE_PIN          14 // D5

examples/ReceiveAndSend/PinDefinitionsAndMore.h

@@ -153,6 +153,15 @@
 #    endif
 #  endif // defined(__AVR_ATtiny25__)...
 
+#elif defined(ARDUINO_ARCH_RENESAS_UNO) // UNO R4
+// To be compatible with UNO R3.
+#define IR_RECEIVE_PIN      2
+#define IR_SEND_PIN         3
+#define TONE_PIN            4
+#define APPLICATION_PIN     5
+#define ALTERNATIVE_IR_FEEDBACK_LED_PIN 6 // E.g. used for examples which use LED_BUILDIN for example output.
+#define _IR_TIMING_TEST_PIN 7
+
 #elif defined(ESP8266)
 #define FEEDBACK_LED_IS_ACTIVE_LOW // The LED on my board (D4) is active LOW
 #define IR_RECEIVE_PIN          14 // D5

examples/ReceiveAndSendDistanceWidth/PinDefinitionsAndMore.h

@@ -153,6 +153,15 @@
 #    endif
 #  endif // defined(__AVR_ATtiny25__)...
 
+#elif defined(ARDUINO_ARCH_RENESAS_UNO) // UNO R4
+// To be compatible with UNO R3.
+#define IR_RECEIVE_PIN      2
+#define IR_SEND_PIN         3
+#define TONE_PIN            4
+#define APPLICATION_PIN     5
+#define ALTERNATIVE_IR_FEEDBACK_LED_PIN 6 // E.g. used for examples which use LED_BUILDIN for example output.
+#define _IR_TIMING_TEST_PIN 7
+
 #elif defined(ESP8266)
 #define FEEDBACK_LED_IS_ACTIVE_LOW // The LED on my board (D4) is active LOW
 #define IR_RECEIVE_PIN          14 // D5

examples/ReceiveDemo/PinDefinitionsAndMore.h

@@ -153,6 +153,15 @@
 #    endif
 #  endif // defined(__AVR_ATtiny25__)...
 
+#elif defined(ARDUINO_ARCH_RENESAS_UNO) // UNO R4
+// To be compatible with UNO R3.
+#define IR_RECEIVE_PIN      2
+#define IR_SEND_PIN         3
+#define TONE_PIN            4
+#define APPLICATION_PIN     5
+#define ALTERNATIVE_IR_FEEDBACK_LED_PIN 6 // E.g. used for examples which use LED_BUILDIN for example output.
+#define _IR_TIMING_TEST_PIN 7
+
 #elif defined(ESP8266)
 #define FEEDBACK_LED_IS_ACTIVE_LOW // The LED on my board (D4) is active LOW
 #define IR_RECEIVE_PIN          14 // D5

examples/ReceiveDump/PinDefinitionsAndMore.h

@@ -153,6 +153,15 @@
 #    endif
 #  endif // defined(__AVR_ATtiny25__)...
 
+#elif defined(ARDUINO_ARCH_RENESAS_UNO) // UNO R4
+// To be compatible with UNO R3.
+#define IR_RECEIVE_PIN      2
+#define IR_SEND_PIN         3
+#define TONE_PIN            4
+#define APPLICATION_PIN     5
+#define ALTERNATIVE_IR_FEEDBACK_LED_PIN 6 // E.g. used for examples which use LED_BUILDIN for example output.
+#define _IR_TIMING_TEST_PIN 7
+
 #elif defined(ESP8266)
 #define FEEDBACK_LED_IS_ACTIVE_LOW // The LED on my board (D4) is active LOW
 #define IR_RECEIVE_PIN          14 // D5

examples/ReceiveOneAndSendMultiple/PinDefinitionsAndMore.h

@@ -153,6 +153,15 @@
 #    endif
 #  endif // defined(__AVR_ATtiny25__)...
 
+#elif defined(ARDUINO_ARCH_RENESAS_UNO) // UNO R4
+// To be compatible with UNO R3.
+#define IR_RECEIVE_PIN      2
+#define IR_SEND_PIN         3
+#define TONE_PIN            4
+#define APPLICATION_PIN     5
+#define ALTERNATIVE_IR_FEEDBACK_LED_PIN 6 // E.g. used for examples which use LED_BUILDIN for example output.
+#define _IR_TIMING_TEST_PIN 7
+
 #elif defined(ESP8266)
 #define FEEDBACK_LED_IS_ACTIVE_LOW // The LED on my board (D4) is active LOW
 #define IR_RECEIVE_PIN          14 // D5

examples/SendAndReceive/PinDefinitionsAndMore.h

@@ -153,6 +153,15 @@
 #    endif
 #  endif // defined(__AVR_ATtiny25__)...
 
+#elif defined(ARDUINO_ARCH_RENESAS_UNO) // UNO R4
+// To be compatible with UNO R3.
+#define IR_RECEIVE_PIN      2
+#define IR_SEND_PIN         3
+#define TONE_PIN            4
+#define APPLICATION_PIN     5
+#define ALTERNATIVE_IR_FEEDBACK_LED_PIN 6 // E.g. used for examples which use LED_BUILDIN for example output.
+#define _IR_TIMING_TEST_PIN 7
+
 #elif defined(ESP8266)
 #define FEEDBACK_LED_IS_ACTIVE_LOW // The LED on my board (D4) is active LOW
 #define IR_RECEIVE_PIN          14 // D5

examples/SendBoseWaveDemo/PinDefinitionsAndMore.h

@@ -153,6 +153,15 @@
 #    endif
 #  endif // defined(__AVR_ATtiny25__)...
 
+#elif defined(ARDUINO_ARCH_RENESAS_UNO) // UNO R4
+// To be compatible with UNO R3.
+#define IR_RECEIVE_PIN      2
+#define IR_SEND_PIN         3
+#define TONE_PIN            4
+#define APPLICATION_PIN     5
+#define ALTERNATIVE_IR_FEEDBACK_LED_PIN 6 // E.g. used for examples which use LED_BUILDIN for example output.
+#define _IR_TIMING_TEST_PIN 7
+
 #elif defined(ESP8266)
 #define FEEDBACK_LED_IS_ACTIVE_LOW // The LED on my board (D4) is active LOW
 #define IR_RECEIVE_PIN          14 // D5

examples/SendDemo/PinDefinitionsAndMore.h

@@ -153,6 +153,15 @@
 #    endif
 #  endif // defined(__AVR_ATtiny25__)...
 
+#elif defined(ARDUINO_ARCH_RENESAS_UNO) // UNO R4
+// To be compatible with UNO R3.
+#define IR_RECEIVE_PIN      2
+#define IR_SEND_PIN         3
+#define TONE_PIN            4
+#define APPLICATION_PIN     5
+#define ALTERNATIVE_IR_FEEDBACK_LED_PIN 6 // E.g. used for examples which use LED_BUILDIN for example output.
+#define _IR_TIMING_TEST_PIN 7
+
 #elif defined(ESP8266)
 #define FEEDBACK_LED_IS_ACTIVE_LOW // The LED on my board (D4) is active LOW
 #define IR_RECEIVE_PIN          14 // D5

examples/SendLGAirConditionerDemo/PinDefinitionsAndMore.h

@@ -153,6 +153,15 @@
 #    endif
 #  endif // defined(__AVR_ATtiny25__)...
 
+#elif defined(ARDUINO_ARCH_RENESAS_UNO) // UNO R4
+// To be compatible with UNO R3.
+#define IR_RECEIVE_PIN      2
+#define IR_SEND_PIN         3
+#define TONE_PIN            4
+#define APPLICATION_PIN     5
+#define ALTERNATIVE_IR_FEEDBACK_LED_PIN 6 // E.g. used for examples which use LED_BUILDIN for example output.
+#define _IR_TIMING_TEST_PIN 7
+
 #elif defined(ESP8266)
 #define FEEDBACK_LED_IS_ACTIVE_LOW // The LED on my board (D4) is active LOW
 #define IR_RECEIVE_PIN          14 // D5

examples/SendProntoDemo/PinDefinitionsAndMore.h

@@ -153,6 +153,15 @@
 #    endif
 #  endif // defined(__AVR_ATtiny25__)...
 
+#elif defined(ARDUINO_ARCH_RENESAS_UNO) // UNO R4
+// To be compatible with UNO R3.
+#define IR_RECEIVE_PIN      2
+#define IR_SEND_PIN         3
+#define TONE_PIN            4
+#define APPLICATION_PIN     5
+#define ALTERNATIVE_IR_FEEDBACK_LED_PIN 6 // E.g. used for examples which use LED_BUILDIN for example output.
+#define _IR_TIMING_TEST_PIN 7
+
 #elif defined(ESP8266)
 #define FEEDBACK_LED_IS_ACTIVE_LOW // The LED on my board (D4) is active LOW
 #define IR_RECEIVE_PIN          14 // D5

examples/SendRawDemo/PinDefinitionsAndMore.h

@@ -153,6 +153,15 @@
 #    endif
 #  endif // defined(__AVR_ATtiny25__)...
 
+#elif defined(ARDUINO_ARCH_RENESAS_UNO) // UNO R4
+// To be compatible with UNO R3.
+#define IR_RECEIVE_PIN      2
+#define IR_SEND_PIN         3
+#define TONE_PIN            4
+#define APPLICATION_PIN     5
+#define ALTERNATIVE_IR_FEEDBACK_LED_PIN 6 // E.g. used for examples which use LED_BUILDIN for example output.
+#define _IR_TIMING_TEST_PIN 7
+
 #elif defined(ESP8266)
 #define FEEDBACK_LED_IS_ACTIVE_LOW // The LED on my board (D4) is active LOW
 #define IR_RECEIVE_PIN          14 // D5

examples/SimpleReceiver/PinDefinitionsAndMore.h

@@ -153,6 +153,15 @@
 #    endif
 #  endif // defined(__AVR_ATtiny25__)...
 
+#elif defined(ARDUINO_ARCH_RENESAS_UNO) // UNO R4
+// To be compatible with UNO R3.
+#define IR_RECEIVE_PIN      2
+#define IR_SEND_PIN         3
+#define TONE_PIN            4
+#define APPLICATION_PIN     5
+#define ALTERNATIVE_IR_FEEDBACK_LED_PIN 6 // E.g. used for examples which use LED_BUILDIN for example output.
+#define _IR_TIMING_TEST_PIN 7
+
 #elif defined(ESP8266)
 #define FEEDBACK_LED_IS_ACTIVE_LOW // The LED on my board (D4) is active LOW
 #define IR_RECEIVE_PIN          14 // D5

examples/SimpleReceiverWithCallback/PinDefinitionsAndMore.h

@@ -153,6 +153,15 @@
 #    endif
 #  endif // defined(__AVR_ATtiny25__)...
 
+#elif defined(ARDUINO_ARCH_RENESAS_UNO) // UNO R4
+// To be compatible with UNO R3.
+#define IR_RECEIVE_PIN      2
+#define IR_SEND_PIN         3
+#define TONE_PIN            4
+#define APPLICATION_PIN     5
+#define ALTERNATIVE_IR_FEEDBACK_LED_PIN 6 // E.g. used for examples which use LED_BUILDIN for example output.
+#define _IR_TIMING_TEST_PIN 7
+
 #elif defined(ESP8266)
 #define FEEDBACK_LED_IS_ACTIVE_LOW // The LED on my board (D4) is active LOW
 #define IR_RECEIVE_PIN          14 // D5

examples/SimpleSender/PinDefinitionsAndMore.h

@@ -153,6 +153,15 @@
 #    endif
 #  endif // defined(__AVR_ATtiny25__)...
 
+#elif defined(ARDUINO_ARCH_RENESAS_UNO) // UNO R4
+// To be compatible with UNO R3.
+#define IR_RECEIVE_PIN      2
+#define IR_SEND_PIN         3
+#define TONE_PIN            4
+#define APPLICATION_PIN     5
+#define ALTERNATIVE_IR_FEEDBACK_LED_PIN 6 // E.g. used for examples which use LED_BUILDIN for example output.
+#define _IR_TIMING_TEST_PIN 7
+
 #elif defined(ESP8266)
 #define FEEDBACK_LED_IS_ACTIVE_LOW // The LED on my board (D4) is active LOW
 #define IR_RECEIVE_PIN          14 // D5

examples/UnitTest/PinDefinitionsAndMore.h

@@ -153,6 +153,15 @@
 #    endif
 #  endif // defined(__AVR_ATtiny25__)...
 
+#elif defined(ARDUINO_ARCH_RENESAS_UNO) // UNO R4
+// To be compatible with UNO R3.
+#define IR_RECEIVE_PIN      2
+#define IR_SEND_PIN         3
+#define TONE_PIN            4
+#define APPLICATION_PIN     5
+#define ALTERNATIVE_IR_FEEDBACK_LED_PIN 6 // E.g. used for examples which use LED_BUILDIN for example output.
+#define _IR_TIMING_TEST_PIN 7
+
 #elif defined(ESP8266)
 #define FEEDBACK_LED_IS_ACTIVE_LOW // The LED on my board (D4) is active LOW
 #define IR_RECEIVE_PIN          14 // D5

library.properties

@@ -6,5 +6,5 @@ sentence=Send and receive infrared signals with multiple protocols
 paragraph=Currently included protocols: Denon / Sharp, JVC, LG / LG2,  NEC / Onkyo / Apple, Panasonic / Kaseikyo, RC5, RC6, Samsung, Sony, (Pronto), BangOlufsen, BoseWave, Lego, Whynter, FAST, MagiQuest.<br/><br/><b>New: </b>Added FAST Protocol. Changed some function signatures. Improved handling of PULSE_DISTANCE + PULSE_WIDTH protocols.<br/><a href="https://github.com/Arduino-IRremote/Arduino-IRremote/blob/master/changelog.md">Release notes</a><br/>
 category=Communication
 url=https://github.com/Arduino-IRremote/Arduino-IRremote
-architectures=avr,megaavr,samd,esp8266,esp32,stm32,STM32F1,mbed,mbed_nano,rp2040,mbed_rp2040
+architectures=avr,megaavr,samd,esp8266,esp32,stm32,STM32F1,mbed,mbed_nano,rp2040,mbed_rp2040,renesas_uno
 includes=IRremote.hpp

src/private/IRTimer.hpp

@@ -85,6 +85,7 @@ void timerConfigForSend(uint16_t aFrequencyKHz);
 //#define __STM32F1__
 //#define STM32F1xx
 //#define PARTICLE
+//#define ARDUINO_ARCH_RENESAS
 
 #if defined (DOXYGEN)
 /**
@@ -1084,6 +1085,68 @@ void timerConfigForSend(uint16_t aFrequencyKHz) {
  * End of AVR timers
  **********************************************************************************************************************/
 
+/**********************************************
+ * UNO R4 boards
+ * The FspTimer uses undocumented
+ **********************************************/
+#elif defined(ARDUINO_ARCH_RENESAS)
+#include "FspTimer.h"
+FspTimer s50usTimer;
+
+// Undefine ISR, because we register/call the plain function IRReceiveTimerInterruptHandler()
+#  if defined(ISR)
+#undef ISR
+#  endif
+
+// callback method used by timer
+void IRTimerInterruptHandlerHelper(timer_callback_args_t __attribute((unused)) *p_args) {
+    IRReceiveTimerInterruptHandler();
+}
+void timerEnableReceiveInterrupt() {
+//    s50usTimer.enable_overflow_irq();
+    s50usTimer.start();
+}
+void timerDisableReceiveInterrupt() {
+//    s50usTimer.disable_overflow_irq();
+    s50usTimer.stop(); // May save power
+}
+
+void timerConfigForReceive() {
+    uint8_t tTimerType = GPT_TIMER;
+    int8_t tIndex = FspTimer::get_available_timer(tTimerType); // Get first unused channel. Here we need the address of tTimerType
+    if (tIndex < 0 || tTimerType != GPT_TIMER) {
+        // here we found no unused GPT channel
+        tIndex = FspTimer::get_available_timer(tTimerType, true); // true to force use of already used PWM channel. Sets "force_pwm_reserved" if timer found
+        if (tIndex < 0) {
+            // If we already get an tIndex < 0 we have an error, but do not know how to handle :-(
+            return;
+        }
+    }
+    s50usTimer.begin(TIMER_MODE_PERIODIC, tTimerType, tIndex, MICROS_IN_ONE_SECOND / MICROS_PER_TICK, 0.0,
+            IRTimerInterruptHandlerHelper);
+    s50usTimer.setup_overflow_irq();
+    s50usTimer.open(); // In turn calls R_GPT_Enable()
+    s50usTimer.stop(); // May save power
+}
+
+#  if defined(SEND_PWM_BY_TIMER)
+#error PWM generation by hardware not yet implemented for Arduino Uno R4
+// Not yet implemented
+void enableSendPWMByTimer() {
+}
+void disableSendPWMByTimer() {
+}
+
+/*
+ * timerConfigForSend() is used exclusively by IRsend::enableIROut()
+ */
+void timerConfigForSend(uint16_t aFrequencyKHz) {
+#    if defined(IR_SEND_PIN)
+#    else
+#    endif
+}
+#  endif
+
 /**********************************************
  * Teensy 3.0 / Teensy 3.1 / Teensy 3.2 boards
  **********************************************/