lucasgalton
diff --git a/‎cores/esp32/HardwareSerial.cpp
Copy file name to clipboardExpand all lines: cores/esp32/HardwareSerial.cpp
+4-3Lines changed: 4 additions & 3 deletions b/‎cores/esp32/HardwareSerial.cpp
Copy file name to clipboardExpand all lines: cores/esp32/HardwareSerial.cpp
+4-3Lines changed: 4 additions & 3 deletions
@@ -291,6 +291,10 @@ void HardwareSerial::begin(unsigned long baud, uint32_t config, int8_t rxPin, in
   }
 #endif
 
+  // map logical pins to GPIO numbers
+  rxPin = digitalPinToGPIONumber(rxPin);
+  txPin = digitalPinToGPIONumber(txPin);
+
   HSERIAL_MUTEX_LOCK();
   // First Time or after end() --> set default Pins
   if (!uartIsDriverInstalled(_uart)) {
@@ -326,9 +330,6 @@ void HardwareSerial::begin(unsigned long baud, uint32_t config, int8_t rxPin, in
     }
   }
 
-  // map logical pins to GPIO numbers
-  rxPin = digitalPinToGPIONumber(rxPin);
-  txPin = digitalPinToGPIONumber(txPin);
   // IDF UART driver keeps Pin setting on restarting. Negative Pin number will keep it unmodified.
   // it will detach previous UART attached pins
Original file line number	Diff line number	Diff line change
`@@ -291,6 +291,10 @@ void HardwareSerial::begin(unsigned long baud, uint32_t config, int8_t rxPin, in`
`291`	`291`	`}`
`292`	`292`	`#endif`
`293`	`293`
	`294`	`+ // map logical pins to GPIO numbers`
	`295`	`+ rxPin = digitalPinToGPIONumber(rxPin);`
	`296`	`+ txPin = digitalPinToGPIONumber(txPin);`
	`297`	`+`
`294`	`298`	`HSERIAL_MUTEX_LOCK();`
`295`	`299`	`// First Time or after end() --> set default Pins`
`296`	`300`	`if (!uartIsDriverInstalled(_uart)) {`
`@@ -326,9 +330,6 @@ void HardwareSerial::begin(unsigned long baud, uint32_t config, int8_t rxPin, in`
`326`	`330`	`}`
`327`	`331`	`}`
`328`	`332`
`329`		`- // map logical pins to GPIO numbers`
`330`		`- rxPin = digitalPinToGPIONumber(rxPin);`
`331`		`- txPin = digitalPinToGPIONumber(txPin);`
`332`	`333`	`// IDF UART driver keeps Pin setting on restarting. Negative Pin number will keep it unmodified.`
`333`	`334`	`// it will detach previous UART attached pins`
`334`	`335`