fix hwSerial tx only flush (#4263)

bertmelis · web-flow · commit f98fc7ee9f26 · 2020-10-01T15:30:45.000+03:00
diff --git a/cores/esp32/esp32-hal-uart.c b/cores/esp32/esp32-hal-uart.c
@@ -371,7 +371,7 @@ void uartWriteBuf(uart_t* uart, const uint8_t * data, size_t len)
 
 void uartFlush(uart_t* uart)
 {
-    uartFlushTxOnly(uart,false);
+    uartFlushTxOnly(uart,true);
 }
 
 void uartFlushTxOnly(uart_t* uart, bool txOnly)

Original file line number	Diff line number	Diff line change
`@@ -371,7 +371,7 @@ void uartWriteBuf(uart_t* uart, const uint8_t * data, size_t len)`
`371`	`371`
`372`	`372`	`void uartFlush(uart_t* uart)`
`373`	`373`	`{`
`374`		`- uartFlushTxOnly(uart,false);`
	`374`	`+ uartFlushTxOnly(uart,true);`
`375`	`375`	`}`
`376`	`376`
`377`	`377`	`void uartFlushTxOnly(uart_t* uart, bool txOnly)`