From 3be8766408575adf5fb3177771cb43c097007c37 Mon Sep 17 00:00:00 2001
From: Nathan Seidle <nathan@sparkfun.com>
Date: Tue, 28 Dec 2021 14:49:23 -0700
Subject: [PATCH] Do not rebegin serial port if user assigned it before lib
 begin. Add end() to beginSerial to allow ESP32 software serial.

---
 src/SparkFun_u-blox_SARA-R5_Arduino_Library.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/SparkFun_u-blox_SARA-R5_Arduino_Library.cpp b/src/SparkFun_u-blox_SARA-R5_Arduino_Library.cpp
index 1cd973a..7bc3c06 100644
--- a/src/SparkFun_u-blox_SARA-R5_Arduino_Library.cpp
+++ b/src/SparkFun_u-blox_SARA-R5_Arduino_Library.cpp
@@ -3044,7 +3044,8 @@ SARA_R5_error_t SARA_R5::init(unsigned long baud,
 
     if (_printDebug == true) _debugPort->println(F("Begin module init."));
 
-    beginSerial(baud); // Begin serial
+    if(hwAvailable() == -1)
+        beginSerial(baud); // If port is null, begin serial
 
     if (initType == SARA_R5_INIT_AUTOBAUD)
     {
@@ -3594,6 +3595,7 @@ void SARA_R5::beginSerial(unsigned long baud)
 #ifdef SARA_R5_SOFTWARE_SERIAL_ENABLED
     else if (_softSerial != NULL)
     {
+        _softSerial->end();
         _softSerial->begin(baud);
     }
 #endif