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Support a third serial port (#21784)

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This commit is contained in:
ellensp
2021-05-07 17:31:45 +12:00
committed by Scott Lahteine
parent 4518506559
commit 9fa9eebe51
20 changed files with 212 additions and 47 deletions
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11
Marlin/src/HAL/STM32F1/HAL.h
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@ -98,6 +98,17 @@
#endif
#endif
#ifdef SERIAL_PORT_3
#if SERIAL_PORT_3 == -1
#define MYSERIAL3 UsbSerial
#elif WITHIN(SERIAL_PORT_3, 1, NUM_UARTS)
#define MYSERIAL3 MSERIAL(SERIAL_PORT_3)
#else
#define MYSERIAL3 MSERIAL(1) // dummy port
static_assert(false, "SERIAL_PORT_3 must be from 1 to " STRINGIFY(NUM_UARTS) ". You can also use -1 if the board supports Native USB.")
#endif
#endif
#ifdef MMU2_SERIAL_PORT
#if MMU2_SERIAL_PORT == -1
#define MMU2_SERIAL UsbSerial