From 60d086bb3ae734d1509acdecd315fd148747a19a Mon Sep 17 00:00:00 2001
From: khaled147 <elmalawanykhaled@gmail.com>
Date: Fri, 11 Mar 2022 01:13:12 -0700
Subject: [PATCH] Implementation of software serial using any pin

Implementation of function to allow user selection of SDA/SCL pins
---
 libraries/Wire/Wire.cpp | 6 ++++++
 libraries/Wire/Wire.h   | 1 +
 2 files changed, 7 insertions(+)

diff --git a/libraries/Wire/Wire.cpp b/libraries/Wire/Wire.cpp
index a17bb019a..ebcce59c9 100644
--- a/libraries/Wire/Wire.cpp
+++ b/libraries/Wire/Wire.cpp
@@ -31,6 +31,12 @@ void arduino::MbedI2C::begin() {
 	master = new mbed::I2C(_sda, _scl);
 }
 
+void arduino::MbedI2C::begin(int sda, int scl) {
+	_sda = digitalPinToPinName(sda);
+	_scl = digitalPinToPinName(scl);
+	master = new mbed::I2C(_sda, _scl);
+}
+
 void arduino::MbedI2C::begin(uint8_t slaveAddr) {
 #ifdef DEVICE_I2CSLAVE
 	slave = new mbed::I2CSlave((PinName)_sda, (PinName)_scl);
diff --git a/libraries/Wire/Wire.h b/libraries/Wire/Wire.h
index 63e174add..a0905a040 100644
--- a/libraries/Wire/Wire.h
+++ b/libraries/Wire/Wire.h
@@ -37,6 +37,7 @@ class MbedI2C : public HardwareI2C
     MbedI2C(int sda, int scl);
     MbedI2C(PinName sda, PinName scl);
     virtual void begin();
+    virtual void begin(int sda, int scl);
     #ifndef DEVICE_I2CSLAVE
     virtual void __attribute__ ((error("I2C Slave mode is not supported"))) begin(uint8_t address);
     #else