diff options
| author | David A. Mellis <d.mellis@arduino.cc> | 2011-08-12 18:27:00 -0400 |
|---|---|---|
| committer | David A. Mellis <d.mellis@arduino.cc> | 2011-08-12 18:27:00 -0400 |
| commit | 39573e5cf7e5db5f0892fc6d33e0d53ede5e0d17 (patch) | |
| tree | b2ba307118df780dbf05c6e02889d4f2983511c9 /pins/standard | |
| parent | cafbc48008ec9cb5cd68b29a93f59b81423322f7 (diff) | |
Adding basic macros for analog + digital pin information.
http://code.google.com/p/arduino/issues/detail?id=495
Diffstat (limited to 'pins/standard')
| -rw-r--r-- | pins/standard/pins_arduino.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/pins/standard/pins_arduino.h b/pins/standard/pins_arduino.h index 8e25435..3999d1f 100644 --- a/pins/standard/pins_arduino.h +++ b/pins/standard/pins_arduino.h @@ -27,6 +27,16 @@ #include <avr/pgmspace.h> +#define NUM_DIGITAL_PINS 20 +#define NUM_ANALOG_INPUTS 6 +#define analogInputToDigitalPin(p) ((p < 6) ? (p) + 14 : -1) + +#if defined(__AVR_ATmega8__) +#define digitalPinHasPWM(p) ((p) == 9 || (p) == 10 || (p) == 11) +#else +#define digitalPinHasPWM(p) ((p) == 3 || (p) == 5 || (p) == 6 || (p) == 9 || (p) == 10 || (p) == 11) +#endif + const static uint8_t SS = 10; const static uint8_t MOSI = 11; const static uint8_t MISO = 12; |