feat(uart): debug configured in half duplex mode

fpistm · fpistm · commit d974fb2a80b5 · 2022-09-23T09:20:57.000+02:00
Only TX pin is required.

Signed-off-by: Frederic Pillon &lt;frederic.pillon@st.com&gt;
diff --git a/libraries/SrcWrapper/src/stm32/uart.c b/libraries/SrcWrapper/src/stm32/uart.c
@@ -686,13 +686,12 @@ void uart_config_lowpower(serial_t *obj)
 void uart_debug_init(void)
 {
   if (DEBUG_UART != NP) {
-    serial_debug.pin_rx = pinmap_pin(DEBUG_UART, PinMap_UART_RX);
 #if defined(DEBUG_PINNAME_TX)
     serial_debug.pin_tx = DEBUG_PINNAME_TX;
 #else
     serial_debug.pin_tx = pinmap_pin(DEBUG_UART, PinMap_UART_TX);
 #endif
-
+    /* serial_debug.pin_rx set by default to NC to configure in half duplex mode */
     uart_init(&serial_debug, DEBUG_UART_BAUDRATE, UART_WORDLENGTH_8B, UART_PARITY_NONE, UART_STOPBITS_1);
   }
 }

Original file line number	Diff line number	Diff line change
`@@ -686,13 +686,12 @@ void uart_config_lowpower(serial_t *obj)`
`686`	`686`	`void uart_debug_init(void)`
`687`	`687`	`{`
`688`	`688`	`if (DEBUG_UART != NP) {`
`689`		`- serial_debug.pin_rx = pinmap_pin(DEBUG_UART, PinMap_UART_RX);`
`690`	`689`	`#if defined(DEBUG_PINNAME_TX)`
`691`	`690`	`serial_debug.pin_tx = DEBUG_PINNAME_TX;`
`692`	`691`	`#else`
`693`	`692`	`serial_debug.pin_tx = pinmap_pin(DEBUG_UART, PinMap_UART_TX);`
`694`	`693`	`#endif`
`695`		`-`
	`694`	`+ /* serial_debug.pin_rx set by default to NC to configure in half duplex mode */`
`696`	`695`	`uart_init(&serial_debug, DEBUG_UART_BAUDRATE, UART_WORDLENGTH_8B, UART_PARITY_NONE, UART_STOPBITS_1);`
`697`	`696`	`}`
`698`	`697`	`}`