diff options
| author | David A. Mellis <d.mellis@arduino.cc> | 2011-08-12 17:31:22 -0400 |
|---|---|---|
| committer | David A. Mellis <d.mellis@arduino.cc> | 2011-08-12 17:31:22 -0400 |
| commit | cafbc48008ec9cb5cd68b29a93f59b81423322f7 (patch) | |
| tree | 2a19661b7144ad2c1a29984b1e150e589705d0a3 /pins/standard/pins_arduino.h | |
| parent | ca1f64682a51c9097ab699694f85aa0a47bee1d0 (diff) | |
Adding pin-change interrupt pin mapping macros to pins_arduino.h.
http://code.google.com/p/arduino/issues/detail?id=490
Diffstat (limited to 'pins/standard/pins_arduino.h')
| -rw-r--r-- | pins/standard/pins_arduino.h | 5 |
1 files changed, 5 insertions, 0 deletions
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 |