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⚡️ Add'l PCINTs for Mega Extended (MarlinFirmware#23019)
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ellensp authored and thinkyhead committed Oct 26, 2021
1 parent 2b8a804 commit a7ea6b5
Showing 1 changed file with 11 additions and 5 deletions.
Original file line number Diff line number Diff line change
Expand Up @@ -85,27 +85,33 @@ static const uint8_t A15 = PIN_A15;
// A majority of the pins are NOT PCINTs, SO BE WARNED (i.e. you cannot use them as receive pins)
// Only pins available for RECEIVE (TRANSMIT can be on any pin):
// (I've deliberately left out pin mapping to the Hardware USARTs - seems senseless to me)
// Pins: 10, 11, 12, 13, 50, 51, 52, 53, 62, 63, 64, 65, 66, 67, 68, 69
// Pins: 10, 11, 12, 13, 50, 51, 52, 53, 62, 63, 64, 65, 66, 67, 68, 69, 72, 73, 75, 76, 77

#define digitalPinToPCICR(p) ( (((p) >= 10) && ((p) <= 13)) || \
(((p) >= 50) && ((p) <= 53)) || \
(((p) >= 62) && ((p) <= 69)) ? (&PCICR) : nullptr )
(((p) >= 62) && ((p) <= 69)) || \
(((p) >= 72) && ((p) <= 73)) || \
(((p) >= 75) && ((p) <= 77)) ? (&PCICR) : nullptr )

#define digitalPinToPCICRbit(p) ( (((p) >= 10) && ((p) <= 13)) || (((p) >= 50) && ((p) <= 53)) ? 0 : \
( (((p) >= 62) && ((p) <= 69)) ? 2 : \
0 ) )
( (((p) >= 72) && ((p) <= 73)) || (((p) >= 75) && ((p) <= 77)) ? 1 : \
0 ) ) )

#define digitalPinToPCMSK(p) ( (((p) >= 10) && ((p) <= 13)) || (((p) >= 50) && ((p) <= 53)) ? (&PCMSK0) : \
( (((p) >= 62) && ((p) <= 69)) ? (&PCMSK2) : \
nullptr ) )
( (((p) >= 72) && ((p) <= 73)) || (((p) >= 75) && ((p) <= 77)) ? (&PCMSK1) : \
nullptr ) ) )

#define digitalPinToPCMSKbit(p) ( (((p) >= 10) && ((p) <= 13)) ? ((p) - 6) : \
( ((p) == 50) ? 3 : \
( ((p) == 51) ? 2 : \
( ((p) == 52) ? 1 : \
( ((p) == 53) ? 0 : \
( (((p) >= 62) && ((p) <= 69)) ? ((p) - 62) : \
0 ) ) ) ) ) )
( (((p) >= 72) && ((p) <= 73)) ? ((p) - 69) : \
( (((p) >= 75) && ((p) <= 77)) ? ((p) - 70) : \
0 ) ) ) ) ) ) ) )

#define digitalPinToInterrupt(p) ((p) == 2 ? 0 : ((p) == 3 ? 1 : ((p) >= 18 && (p) <= 21 ? 23 - (p) : NOT_AN_INTERRUPT)))

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