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Fix STM32 flush of TX (used by UBL) #16197

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Merged
thinkyhead merged 3 commits into from
Dec 22, 2019
Merged

Fix STM32 flush of TX (used by UBL) #16197

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13109fc
Allow STM32 to compile with TX_BUFFER_SIZE > 0
randellhodges Dec 12, 2019
7230599
Updated to flush on SERIAL_FLUSHTX like __STM32F1__ does inside serial.h
randellhodges Dec 13, 2019
b7a11bf
Making it simplier based on ARDUINO_ARCH_STM32
randellhodges Dec 13, 2019
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2 changes: 1 addition & 1 deletion Marlin/src/core/serial.h
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Original file line number Diff line number Diff line change
Expand Up @@ -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)
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