From d1f7c182402ecc1a2e6a1eba95115d19e9d539aa Mon Sep 17 00:00:00 2001
From: jgromes <jan.gromes@gmail.com>
Date: Tue, 27 Jun 2023 07:28:57 +0200
Subject: [PATCH] Added support for Arduino Uno R4

---
 .github/workflows/main.yml | 1 +
 README.md                  | 1 +
 src/BuildOpt.h             | 7 +++++++
 3 files changed, 9 insertions(+)

diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index c75cdc6c..4bcb17b1 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -105,6 +105,7 @@ jobs:
             run: echo "index-url=--additional-urls https://mcudude.github.io/MegaCore/package_MCUdude_MegaCore_index.json" >> $GITHUB_OUTPUT
           - id: teensy:avr:teensy41
             run: echo "index-url=--additional-urls https://www.pjrc.com/teensy/td_156/package_teensy_index.json" >> $GITHUB_OUTPUT
+          - id: arduino:renesas_uno:minima
 
     runs-on: ubuntu-latest
     name: ${{ matrix.id }}
diff --git a/README.md b/README.md
index 36228634..ede24434 100644
--- a/README.md
+++ b/README.md
@@ -50,6 +50,7 @@ SX127x, RFM9x, RF69, SX1231, CC1101, nRF24L01, RFM2x and Si443x
   * [__megaAVR__](https://github.com/arduino/ArduinoCore-megaavr) - Arduino Uno WiFi Rev.2 and Nano Every
   * [__SAM__](https://github.com/arduino/ArduinoCore-sam) - Arduino Due
   * [__SAMD__](https://github.com/arduino/ArduinoCore-samd) - Arduino Zero, MKR boards, M0 Pro etc.
+  * [__Renesas__](https://github.com/arduino/ArduinoCore-renesas) - Arduino Uno R4
 
 * __Adafruit__
   * [__SAMD__](https://github.com/adafruit/ArduinoCore-samd) - Adafruit Feather M0 and M4 boards (Feather, Metro, Gemma, Trinket etc.)
diff --git a/src/BuildOpt.h b/src/BuildOpt.h
index d0572f69..53d104d0 100644
--- a/src/BuildOpt.h
+++ b/src/BuildOpt.h
@@ -242,6 +242,13 @@
   // Teensy
   #define RADIOLIB_PLATFORM                           "Teensy"
 
+#elif defined(ARDUINO_ARCH_RENESAS)
+  // Arduino Renesas (UNO R4)
+  #define RADIOLIB_PLATFORM                           "Arduino Renesas (UNO R4)"
+  #define RADIOLIB_ARDUINOHAL_PIN_MODE_CAST           (PinMode)
+  #define RADIOLIB_ARDUINOHAL_PIN_STATUS_CAST         (PinStatus)
+  #define RADIOLIB_ARDUINOHAL_INTERRUPT_MODE_CAST     (PinStatus)
+
 #else
   // other Arduino platforms not covered by the above list - this may or may not work
   #define RADIOLIB_PLATFORM                           "Unknown Arduino"