Update HardwareSerial.cpp

patricklaf · web-flow · commit 7b24c43ccd2f · 2025-04-15T16:12:29.000+02:00
Signed-off-by: patricklaf &lt;patrick.lafarguette@gmail.com&gt;
diff --git a/cores/arduino/HardwareSerial.cpp b/cores/arduino/HardwareSerial.cpp
@@ -449,10 +449,14 @@ void HardwareSerial::begin(unsigned long baud, byte config)
   uart_init(&_serial, (uint32_t)baud, databits, parity, stopbits, _rx_invert, _tx_invert, _data_invert);
   enableHalfDuplexRx();
   uart_attach_rx_callback(&_serial, _rx_complete_irq);
+
+  _ready = true;
 }
 
 void HardwareSerial::end()
 {
+  _ready = false;
+  
   // wait for transmission of outgoing data
   flush(TX_TIMEOUT);
 

Original file line number	Diff line number	Diff line change
`@@ -449,10 +449,14 @@ void HardwareSerial::begin(unsigned long baud, byte config)`
`449`	`449`	`uart_init(&_serial, (uint32_t)baud, databits, parity, stopbits, _rx_invert, _tx_invert, _data_invert);`
`450`	`450`	`enableHalfDuplexRx();`
`451`	`451`	`uart_attach_rx_callback(&_serial, _rx_complete_irq);`
	`452`	`+`
	`453`	`+ _ready = true;`
`452`	`454`	`}`
`453`	`455`
`454`	`456`	`void HardwareSerial::end()`
`455`	`457`	`{`
	`458`	`+ _ready = false;`
	`459`	`+`
`456`	`460`	`// wait for transmission of outgoing data`
`457`	`461`	`flush(TX_TIMEOUT);`
`458`	`462`