From ebdf8b6b1a04f0f211c5d3fd2c73f2d902485105 Mon Sep 17 00:00:00 2001 From: randellhodges Date: Sun, 22 Dec 2019 03:08:17 -0600 Subject: [PATCH] Fix STM32 flush of TX (used by UBL) (#16197) --- Marlin/src/core/serial.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/Marlin/src/core/serial.h b/Marlin/src/core/serial.h index c2745e972..bdf3ba468 100644 --- a/Marlin/src/core/serial.h +++ b/Marlin/src/core/serial.h @@ -75,7 +75,7 @@ extern uint8_t marlin_debug_flags; #define SERIAL_PRINTF(V...) SERIAL_OUT(printf, V) #define SERIAL_FLUSH() SERIAL_OUT(flush) -#ifdef __STM32F1__ +#ifdef ARDUINO_ARCH_STM32 #define SERIAL_FLUSHTX() SERIAL_OUT(flush) #elif TX_BUFFER_SIZE > 0 #define SERIAL_FLUSHTX() SERIAL_OUT(flushTX)