Add Arduino UNO R4 support

xreef · Jul 11, 2023 · dac17ed · dac17ed
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Showing 7 changed files with 100 additions and 9 deletions.
diff --git a/.project b/.project
@@ -5,7 +5,97 @@
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diff --git a/PCF8574.cpp b/PCF8574.cpp
@@ -53,7 +53,7 @@ PCF8574::PCF8574(uint8_t address, uint8_t interruptPin,  void (*interruptFunctio
 	_usingInterrupt = true;
 };
 
-#if !defined(__AVR) && !defined(ARDUINO_ARCH_SAMD) && !defined(TEENSYDUINO)
+#if !defined(__AVR) && !defined(ARDUINO_ARCH_SAMD) && !defined(TEENSYDUINO) && !defined(ARDUINO_ARCH_RENESAS)
 	/**
 	 * Constructor
 	 * @param address: i2c address
@@ -90,7 +90,7 @@ PCF8574::PCF8574(uint8_t address, uint8_t interruptPin,  void (*interruptFunctio
 	};
 #endif
 
-#if defined(ESP32) || defined(ARDUINO_ARCH_SAMD)|| defined(ARDUINO_ARCH_RP2040)  || defined(ARDUINO_ARCH_STM32)
+#if defined(ESP32) || defined(ARDUINO_ARCH_SAMD)|| defined(ARDUINO_ARCH_RP2040)  || defined(ARDUINO_ARCH_STM32) || defined(ARDUINO_ARCH_RENESAS)
 	/**
 	 * Constructor
 	 * @param address: i2c address
@@ -186,7 +186,7 @@ PCF8574::PCF8574(uint8_t address, uint8_t interruptPin,  void (*interruptFunctio
  */
 bool PCF8574::begin(){
 	this->transmissionStatus = 4;
-	#if !defined(__AVR)  && !defined(ARDUINO_ARCH_SAMD)  && !defined(TEENSYDUINO)
+	#if !defined(__AVR)  && !defined(ARDUINO_ARCH_SAMD)  && !defined(TEENSYDUINO) && !defined(ARDUINO_ARCH_RENESAS)
 		DEBUG_PRINT(F("begin(sda, scl) -> "));DEBUG_PRINT(_sda);DEBUG_PRINT(F(" "));DEBUG_PRINTLN(_scl);
 //		_wire->begin(_sda, _scl);
 #ifdef ARDUINO_ARCH_STM32

diff --git a/PCF8574.h b/PCF8574.h
@@ -2,7 +2,7 @@
  * PCF8574 GPIO Port Expand
  *
  * AUTHOR:  Renzo Mischianti
- * VERSION: 2.3.5
+ * VERSION: 2.3.6
  *
  * https://www.mischianti.org/2019/01/02/pcf8574-i2c-digital-i-o-expander-fast-easy-usage/
  *
@@ -109,12 +109,12 @@ class PCF8574 {
 	PCF8574(uint8_t address);
 	PCF8574(uint8_t address, uint8_t interruptPin,  void (*interruptFunction)() );
 
-#if !defined(__AVR) && !defined(ARDUINO_ARCH_SAMD) && !defined(TEENSYDUINO)
+#if !defined(__AVR) && !defined(ARDUINO_ARCH_SAMD) && !defined(TEENSYDUINO) && !defined(ARDUINO_ARCH_RENESAS)
 	PCF8574(uint8_t address, int sda, int scl);
 	PCF8574(uint8_t address, int sda, int scl, uint8_t interruptPin,  void (*interruptFunction)());
 #endif
 
-#if defined(ESP32) || defined(ARDUINO_ARCH_SAMD) || defined(ARDUINO_ARCH_RP2040) || defined(ARDUINO_ARCH_STM32)
+#if defined(ESP32) || defined(ARDUINO_ARCH_SAMD) || defined(ARDUINO_ARCH_RP2040) || defined(ARDUINO_ARCH_STM32) || defined(ARDUINO_ARCH_RENESAS)
 	///// changes for second i2c bus
 	PCF8574(TwoWire *pWire, uint8_t address);
 	PCF8574(TwoWire *pWire, uint8_t address, uint8_t interruptPin,  void (*interruptFunction)() );

diff --git a/PCF8574_library.h b/PCF8574_library.h
@@ -2,7 +2,7 @@
  * PCF8574 GPIO Port Expand
  *
  * AUTHOR:  Renzo Mischianti
- * VERSION: 2.3.5
+ * VERSION: 2.3.6
  *
  * https://www.mischianti.org/2019/01/02/pcf8574-i2c-digital-i-o-expander-fast-easy-usage/
  *

diff --git a/README.md b/README.md
@@ -18,6 +18,7 @@
 #### If you need more pins [here](https://www.mischianti.org/2019/07/22/pcf8575-i2c-16-bit-digital-i-o-expander/) you can find the pcf8575 16bit version of the IC.
 
 ## Changelog
+ - 10/07/2023: v2.3.6 Support for Arduino UNO R4
  - 08/02/2023: v2.3.5 Fix STM32 support and add support for Raspberry Pi Pico and other rp2040 boards
  - 10/08/2022: v2.3.4 Add support for custom SERCOM interface of Arduino SAMD devices. Force SDA SCL to use GPIO numeration for STM32 bug (https://www.mischianti.org/forums/topic/compatible-with-stm32duino/). 
  - 28/07/2022: v2.3.3 Force SDA SCL to use GPIO numeration (https://www.mischianti.org/forums/topic/cannot-set-sda-clk-on-esp8266/).

diff --git a/library.json b/library.json
@@ -1,6 +1,6 @@
 {
   "name": "PCF8574 library",
-  "version": "2.3.5",
+  "version": "2.3.6",
   "keywords": "digital, i2c, encoder, expander, pcf8574, pcf8574a, esp32, esp8266, stm32, SAMD, Arduino, wire, rp2040, Raspberry",
   "description": "Most starred PCF8574 library. i2c digital expander for Arduino, Raspberry Pi Pico and rp2040 boards, esp32, SMT32 and ESP8266. Can read write digital values with only 2 wire. Very simple to use and encoder support.",
   "homepage": "https://www.mischianti.org/category/my-libraries/pcf8574/",

diff --git a/library.properties b/library.properties
@@ -1,5 +1,5 @@
 name=PCF8574 library
-version=2.3.5
+version=2.3.6
 author=Renzo Mischianti <[email protected]>
 maintainer=Renzo Mischianti <[email protected]>
 sentence=Most starred PCF8574 library for Arduino (standard and SAMD), Raspberry Pi Pico and rp2040 boards, ESP8266, smt32 and esp32