diff options
| -rw-r--r-- | pins/mega/pins_arduino.h | 25 | ||||
| -rw-r--r-- | pins/standard/pins_arduino.h | 5 |
2 files changed, 30 insertions, 0 deletions
diff --git a/pins/mega/pins_arduino.h b/pins/mega/pins_arduino.h index acbd28f..b25f858 100644 --- a/pins/mega/pins_arduino.h +++ b/pins/mega/pins_arduino.h @@ -53,6 +53,31 @@ const static uint8_t A13 = 67; const static uint8_t A14 = 68; const static uint8_t A15 = 69; +// 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 + +#define digitalPinToPCICR(p) ( (((p) >= 10) && ((p) <= 13)) || \ + (((p) >= 50) && ((p) <= 53)) || \ + (((p) >= 62) && ((p) <= 69)) ? (&PCICR) : ((uint8_t *)0) ) + +#define digitalPinToPCICRbit(p) ( (((p) >= 10) && ((p) <= 13)) || (((p) >= 50) && ((p) <= 53)) ? 0 : \ + ( (((p) >= 62) && ((p) <= 69)) ? 2 : \ + 0 ) ) + +#define digitalPinToPCMSK(p) ( (((p) >= 10) && ((p) <= 13)) || (((p) >= 50) && ((p) <= 53)) ? (&PCMSK0) : \ + ( (((p) >= 62) && ((p) <= 69)) ? (&PCMSK2) : \ + ((uint8_t *)0) ) ) + +#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 ) ) ) ) ) ) + #ifdef ARDUINO_MAIN const uint16_t PROGMEM port_to_mode_PGM[] = { diff --git a/pins/standard/pins_arduino.h b/pins/standard/pins_arduino.h index b42755d..8e25435 100644 --- a/pins/standard/pins_arduino.h +++ b/pins/standard/pins_arduino.h @@ -45,6 +45,11 @@ const static uint8_t A5 = 19; const static uint8_t A6 = 20; const static uint8_t A7 = 21; +#define digitalPinToPCICR(p) (((p) >= 0 && (p) <= 21) ? (&PCICR) : ((uint8_t *)0)) +#define digitalPinToPCICRbit(p) (((p) <= 7) ? 2 : (((p) <= 13) ? 0 : 1)) +#define digitalPinToPCMSK(p) (((p) <= 7) ? (&PCMSK2) : (((p) <= 13) ? (&PCMSK0) : (((p) <= 21) ? (&PCMSK1) : ((uint8_t *)0)))) +#define digitalPinToPCMSKbit(p) (((p) <= 7) ? (p) : (((p) <= 13) ? ((p) - 8) : ((p) - 14))) + #ifdef ARDUINO_MAIN // On the Arduino board, digital pins are also used |