Update HardwareSerial.h

patricklaf · web-flow · commit 1af5c46fc03c · 2025-04-15T16:09:56.000+02:00
Signed-off-by: patricklaf &lt;patrick.lafarguette@gmail.com&gt;
diff --git a/cores/arduino/HardwareSerial.h b/cores/arduino/HardwareSerial.h
@@ -146,7 +146,7 @@ class HardwareSerial : public Stream {
     using Print::write; // pull in write(str) from Print
     operator bool()
     {
-      return true;
+      return _ready;
     }
 
     void setRx(uint32_t _rx);
@@ -189,6 +189,7 @@ class HardwareSerial : public Stream {
 #endif // HAL_UART_MODULE_ENABLED && !HAL_UART_MODULE_ONLY
 
   private:
+    bool _ready;
     bool _rx_enabled;
     uint8_t _config;
     unsigned long _baud;

Original file line number	Diff line number	Diff line change
`@@ -146,7 +146,7 @@ class HardwareSerial : public Stream {`
`146`	`146`	`using Print::write; // pull in write(str) from Print`
`147`	`147`	`operator bool()`
`148`	`148`	`{`
`149`		`- return true;`
	`149`	`+ return _ready;`
`150`	`150`	`}`
`151`	`151`
`152`	`152`	`void setRx(uint32_t _rx);`
`@@ -189,6 +189,7 @@ class HardwareSerial : public Stream {`
`189`	`189`	`#endif // HAL_UART_MODULE_ENABLED && !HAL_UART_MODULE_ONLY`
`190`	`190`
`191`	`191`	`private:`
	`192`	`+ bool _ready;`
`192`	`193`	`bool _rx_enabled;`
`193`	`194`	`uint8_t _config;`
`194`	`195`	`unsigned long _baud;`