diff options
Diffstat (limited to 'variants/mega/pins_arduino.h')
| -rw-r--r-- | variants/mega/pins_arduino.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/variants/mega/pins_arduino.h b/variants/mega/pins_arduino.h index e3785e4..57ec97f 100644 --- a/variants/mega/pins_arduino.h +++ b/variants/mega/pins_arduino.h @@ -27,11 +27,20 @@ #include <avr/pgmspace.h> +#define NUM_DIGITAL_PINS 70 +#define NUM_ANALOG_INPUTS 16 +#define analogInputToDigitalPin(p) ((p < 16) ? (p) + 54 : -1) +#define digitalPinHasPWM(p) (((p) >= 2 && (p) <= 13) || ((p) >= 44 && (p)<= 46)) + const static uint8_t SS = 53; const static uint8_t MOSI = 51; const static uint8_t MISO = 50; const static uint8_t SCK = 52; +const static uint8_t SDA = 20; +const static uint8_t SCL = 21; +const static uint8_t LED_BUILTIN = 13; + const static uint8_t A0 = 54; const static uint8_t A1 = 55; const static uint8_t A2 = 56; @@ -49,6 +58,31 @@ 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[] = { |