direct_pin_read.h

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#ifndef direct_pin_read_h_
#define direct_pin_read_h_

#if defined(__AVR__) || defined(__MK20DX128__) || defined(__MK20DX256__)

#define IO_REG_TYPE         uint8_t
#define PIN_TO_BASEREG(pin)             (portInputRegister(digitalPinToPort(pin)))
#define PIN_TO_BITMASK(pin)             (digitalPinToBitMask(pin))
#define DIRECT_PIN_READ(base, mask)     (((*(base)) & (mask)) ? 1 : 0)

#elif defined(__SAM3X8E__)

#define IO_REG_TYPE         uint32_t
#define PIN_TO_BASEREG(pin)             (portInputRegister(digitalPinToPort(pin)))
#define PIN_TO_BITMASK(pin)             (digitalPinToBitMask(pin))
#define DIRECT_PIN_READ(base, mask)     (((*(base)) & (mask)) ? 1 : 0)

#elif defined(__PIC32MX__)

#define IO_REG_TYPE         uint32_t
#define PIN_TO_BASEREG(pin)             (portModeRegister(digitalPinToPort(pin)))
#define PIN_TO_BITMASK(pin)             (digitalPinToBitMask(pin))
#define DIRECT_PIN_READ(base, mask) (((*(base+4)) & (mask)) ? 1 : 0)

#endif

#endif