updated per comments

Author: ngist

cores/rp2040/SerialUART.cpp

@@ -239,7 +239,7 @@ void SerialUART::begin(unsigned long baud, uint16_t config) {
         gpio_set_inover(_cts, _invertControl ? 1 : 0);
     }
 
-    _achievedBaud = uart_init(_uart, baud);
+    _actualBaud = uart_init(_uart, baud);
     int bits, stop;
     uart_parity_t parity;
     switch (config & SERIAL_PARITY_MASK) {

cores/rp2040/SerialUART.h

@@ -94,8 +94,8 @@ class SerialUART : public arduino::HardwareSerial {
     bool getBreakReceived();
 
     // Returns the baud rate the uart is actually operating at vs the desired baud rate specified to begin()
-    int getAcheivedBaud() {
-        return _achievedBaud;
+    int getActualBaud() {
+        return _running ? _actualBaud : 0;
     }
 
 private:
@@ -105,7 +105,7 @@ class SerialUART : public arduino::HardwareSerial {
     pin_size_t _rts, _cts;
     gpio_function_t _fcnTx, _fcnRx, _fcnRts, _fcnCts;
     int _baud;
-    int _achievedBaud;
+    int _actualBaud;
     mutex_t _mutex;
     bool _polling = false;
     bool _overflow;