fix(FEATHER_F405): Serial definition

Fixes #1990

Signed-off-by: Frederic Pillon <frederic.pillon@st.com>

Author: fpistm

variants/STM32F4xx/F405RGT_F415RGT/PeripheralPins_FEATHER_F405.c

@@ -192,7 +192,7 @@ WEAK const PinMap PinMap_UART_TX[] = {
 #ifdef HAL_UART_MODULE_ENABLED
 WEAK const PinMap PinMap_UART_RX[] = {
   // {PA_1,       UART4,  STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF8_UART4)},
-  {PA_3,       USART2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART2)},
+  // {PA_3,       USART2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART2)},
   // {PA_10,      USART1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART1)},
   {PB_7,       USART1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART1)},
   {PB_11,      USART3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART3)},

variants/STM32F4xx/F405RGT_F415RGT/variant_FEATHER_F405.h

@@ -208,6 +208,6 @@
     #define SERIAL_PORT_MONITOR   Serial
   #endif
   #ifndef SERIAL_PORT_HARDWARE
-    #define SERIAL_PORT_HARDWARE  Serial1
+    #define SERIAL_PORT_HARDWARE  Serial3
   #endif
 #endif