diff --git a/src/main/drivers/serial_uart_stm32f30x.c b/src/main/drivers/serial_uart_stm32f30x.c index 0fa6bed3a3..7a42d6a01c 100644 --- a/src/main/drivers/serial_uart_stm32f30x.c +++ b/src/main/drivers/serial_uart_stm32f30x.c @@ -215,7 +215,7 @@ void serialUARTInitIO(IO_t txIO, IO_t rxIO, portMode_e mode, portOptions_e optio ((options & SERIAL_INVERTED) || (options & SERIAL_BIDIR_PP)) ? GPIO_OType_PP : GPIO_OType_OD, (options & SERIAL_INVERTED) ? GPIO_PuPd_DOWN : GPIO_PuPd_UP ); - + IOInit(txIO, OWNER_SERIAL_TX, RESOURCE_INDEX(index)); IOConfigGPIOAF(txIO, ioCfg, af);