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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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8
Marlin/src/inc/SanityCheck.h
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@@ -607,6 +607,14 @@
#error "SERIAL_PORT must be defined."
#elif defined(SERIAL_PORT_2) && SERIAL_PORT_2 == SERIAL_PORT
#error "SERIAL_PORT_2 cannot be the same as SERIAL_PORT."
#elif defined(SERIAL_PORT_3)
#ifndef SERIAL_PORT_2
#error "Use SERIAL_PORT_2 before using SERIAL_PORT_3"
#elif SERIAL_PORT_3 == SERIAL_PORT
#error "SERIAL_PORT_3 cannot be the same as SERIAL_PORT."
#elif SERIAL_PORT_3 == SERIAL_PORT_2
#error "SERIAL_PORT_3 cannot be the same as SERIAL_PORT_2."
#endif
#endif
#if !(defined(__AVR__) && defined(USBCON))
#if ENABLED(SERIAL_XON_XOFF) && RX_BUFFER_SIZE < 1024