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/mega | |
| 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/mega')
| -rw-r--r-- | pins/mega/pins_arduino.h | 25 |
1 files changed, 25 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[] = { |