HardwareSerial: use correct UART HW for TX #180

jobitjoseph · web-flow · commit fa62d6d4c295 · 2025-10-28T12:21:59.000+05:30
diff --git a/cores/arduino/HardwareSerial.cpp b/cores/arduino/HardwareSerial.cpp
@@ -170,14 +170,17 @@ int HardwareSerial::read(void)
 size_t HardwareSerial::write(const uint8_t *buffer, size_t size)
 {
 
-    return  uart_debug_write((uint8_t *)buffer, size);
+    for (size_t i = 0; i < size; i++) {
+      write(buffer[i]);
+    }
+
+    return size;
 }
 
 
 size_t HardwareSerial::write(uint8_t c)
 {
-  uint8_t buff = c;
-  return write(&buff, 1);
+  return uart_putc(&_serial, c);
 }
 
 void HardwareSerial::setRx(uint32_t _rx)

Original file line number	Diff line number	Diff line change
`@@ -170,14 +170,17 @@ int HardwareSerial::read(void)`
`170`	`170`	`size_t HardwareSerial::write(const uint8_t *buffer, size_t size)`
`171`	`171`	`{`
`172`	`172`
`173`		`- return uart_debug_write((uint8_t *)buffer, size);`
	`173`	`+ for (size_t i = 0; i < size; i++) {`
	`174`	`+ write(buffer[i]);`
	`175`	`+ }`
	`176`	`+`
	`177`	`+ return size;`
`174`	`178`	`}`
`175`	`179`
`176`	`180`
`177`	`181`	`size_t HardwareSerial::write(uint8_t c)`
`178`	`182`	`{`
`179`		`- uint8_t buff = c;`
`180`		`- return write(&buff, 1);`
	`183`	`+ return uart_putc(&_serial, c);`
`181`	`184`	`}`
`182`	`185`
`183`	`186`	`void HardwareSerial::setRx(uint32_t _rx)`