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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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7
Marlin/src/HAL/AVR/HAL.h
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@ -103,6 +103,13 @@ typedef int8_t pin_t;
#endif
#define MYSERIAL2 customizedSerial2
#endif
#ifdef SERIAL_PORT_3
#if !WITHIN(SERIAL_PORT_3, -1, 3)
#error "SERIAL_PORT_3 must be from 0 to 3, or -1 for USB Serial."
#endif
#define MYSERIAL3 customizedSerial3
#endif
#endif
#ifdef MMU2_SERIAL_PORT

16
Marlin/src/HAL/AVR/MarlinSerial.cpp
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@ -585,6 +585,22 @@ MSerialT1 customizedSerial1(MSerialT1::HasEmergencyParser);
#endif // SERIAL_PORT_2
#ifdef SERIAL_PORT_3
// Hookup ISR handlers
ISR(SERIAL_REGNAME(USART, SERIAL_PORT_3, _RX_vect)) {
MarlinSerial<MarlinSerialCfg<SERIAL_PORT_3>>::store_rxd_char();
}
ISR(SERIAL_REGNAME(USART, SERIAL_PORT_3, _UDRE_vect)) {
MarlinSerial<MarlinSerialCfg<SERIAL_PORT_3>>::_tx_udr_empty_irq();
}
template class MarlinSerial< MarlinSerialCfg<SERIAL_PORT_3> >;
MSerialT3 customizedSerial3(MSerialT3::HasEmergencyParser);
#endif // SERIAL_PORT_3
#ifdef MMU2_SERIAL_PORT
ISR(SERIAL_REGNAME(USART, MMU2_SERIAL_PORT, _RX_vect)) {

5
Marlin/src/HAL/AVR/MarlinSerial.h
View File

@ -246,6 +246,11 @@
extern MSerialT2 customizedSerial2;
#endif
#ifdef SERIAL_PORT_3
typedef Serial1Class< MarlinSerial< MarlinSerialCfg<SERIAL_PORT_3> > > MSerialT3;
extern MSerialT3 customizedSerial3;
#endif
#endif // !USBCON
#ifdef MMU2_SERIAL_PORT