# 1 "/home/oliver/AVR/io/test.cc"
# 1 "<built-in>"
# 1 "<command-line>"
# 1 "/home/oliver/AVR/io/test.cc"

# 1 "/usr/local/avr/lib/gcc/avr/4.7.0/../../../../avr/include/inttypes.h" 1 3
# 37 "/usr/local/avr/lib/gcc/avr/4.7.0/../../../../avr/include/inttypes.h" 3
# 1 "/usr/local/avr/lib/gcc/avr/4.7.0/include/stdint.h" 1 3 4


# 1 "/usr/local/avr/lib/gcc/avr/4.7.0/../../../../avr/include/stdint.h" 1 3 4
# 121 "/usr/local/avr/lib/gcc/avr/4.7.0/../../../../avr/include/stdint.h" 3 4
typedef int int8_t __attribute__((__mode__(__QI__)));
typedef unsigned int uint8_t __attribute__((__mode__(__QI__)));
typedef int int16_t __attribute__ ((__mode__ (__HI__)));
typedef unsigned int uint16_t __attribute__ ((__mode__ (__HI__)));
typedef int int32_t __attribute__ ((__mode__ (__SI__)));
typedef unsigned int uint32_t __attribute__ ((__mode__ (__SI__)));

typedef int int64_t __attribute__((__mode__(__DI__)));
typedef unsigned int uint64_t __attribute__((__mode__(__DI__)));
# 142 "/usr/local/avr/lib/gcc/avr/4.7.0/../../../../avr/include/stdint.h" 3 4
typedef int16_t intptr_t;




typedef uint16_t uintptr_t;
# 159 "/usr/local/avr/lib/gcc/avr/4.7.0/../../../../avr/include/stdint.h" 3 4
typedef int8_t int_least8_t;




typedef uint8_t uint_least8_t;




typedef int16_t int_least16_t;




typedef uint16_t uint_least16_t;




typedef int32_t int_least32_t;




typedef uint32_t uint_least32_t;







typedef int64_t int_least64_t;






typedef uint64_t uint_least64_t;
# 213 "/usr/local/avr/lib/gcc/avr/4.7.0/../../../../avr/include/stdint.h" 3 4
typedef int8_t int_fast8_t;




typedef uint8_t uint_fast8_t;




typedef int16_t int_fast16_t;




typedef uint16_t uint_fast16_t;




typedef int32_t int_fast32_t;




typedef uint32_t uint_fast32_t;







typedef int64_t int_fast64_t;






typedef uint64_t uint_fast64_t;
# 273 "/usr/local/avr/lib/gcc/avr/4.7.0/../../../../avr/include/stdint.h" 3 4
typedef int64_t intmax_t;




typedef uint64_t uintmax_t;
# 4 "/usr/local/avr/lib/gcc/avr/4.7.0/include/stdint.h" 2 3 4
# 38 "/usr/local/avr/lib/gcc/avr/4.7.0/../../../../avr/include/inttypes.h" 2 3
# 77 "/usr/local/avr/lib/gcc/avr/4.7.0/../../../../avr/include/inttypes.h" 3
typedef int32_t int_farptr_t;



typedef uint32_t uint_farptr_t;
# 3 "/home/oliver/AVR/io/test.cc" 2
# 1 "/usr/local/avr/lib/gcc/avr/4.7.0/../../../../avr/include/avr/io.h" 1 3
# 99 "/usr/local/avr/lib/gcc/avr/4.7.0/../../../../avr/include/avr/io.h" 3
# 1 "/usr/local/avr/lib/gcc/avr/4.7.0/../../../../avr/include/avr/sfr_defs.h" 1 3
# 100 "/usr/local/avr/lib/gcc/avr/4.7.0/../../../../avr/include/avr/io.h" 2 3
# 274 "/usr/local/avr/lib/gcc/avr/4.7.0/../../../../avr/include/avr/io.h" 3
# 1 "/usr/local/avr/lib/gcc/avr/4.7.0/../../../../avr/include/avr/iom8.h" 1 3
# 275 "/usr/local/avr/lib/gcc/avr/4.7.0/../../../../avr/include/avr/io.h" 2 3
# 432 "/usr/local/avr/lib/gcc/avr/4.7.0/../../../../avr/include/avr/io.h" 3
# 1 "/usr/local/avr/lib/gcc/avr/4.7.0/../../../../avr/include/avr/portpins.h" 1 3
# 433 "/usr/local/avr/lib/gcc/avr/4.7.0/../../../../avr/include/avr/io.h" 2 3

# 1 "/usr/local/avr/lib/gcc/avr/4.7.0/../../../../avr/include/avr/common.h" 1 3
# 435 "/usr/local/avr/lib/gcc/avr/4.7.0/../../../../avr/include/avr/io.h" 2 3

# 1 "/usr/local/avr/lib/gcc/avr/4.7.0/../../../../avr/include/avr/version.h" 1 3
# 437 "/usr/local/avr/lib/gcc/avr/4.7.0/../../../../avr/include/avr/io.h" 2 3


# 1 "/usr/local/avr/lib/gcc/avr/4.7.0/../../../../avr/include/avr/fuse.h" 1 3
# 248 "/usr/local/avr/lib/gcc/avr/4.7.0/../../../../avr/include/avr/fuse.h" 3
typedef struct
{
    unsigned char low;
    unsigned char high;
} __fuse_t;
# 440 "/usr/local/avr/lib/gcc/avr/4.7.0/../../../../avr/include/avr/io.h" 2 3


# 1 "/usr/local/avr/lib/gcc/avr/4.7.0/../../../../avr/include/avr/lock.h" 1 3
# 443 "/usr/local/avr/lib/gcc/avr/4.7.0/../../../../avr/include/avr/io.h" 2 3
# 4 "/home/oliver/AVR/io/test.cc" 2

class Port {
public:
    Port(volatile uint8_t* const ddr_address,
         volatile uint8_t* const port_address);

    bool get_pin(uint8_t pin_number) const;
    void set_pin(uint8_t pin_number) const;
private:
    volatile uint8_t* const ddr_address_;
    volatile uint8_t* const port_address_;
};

inline Port::Port(volatile uint8_t* const ddr_address,
                  volatile uint8_t* const port_address)
: ddr_address_(ddr_address),
  port_address_(port_address)
{

    return;
}

inline bool Port::get_pin(uint8_t pin_number) const
{
    bool result = *port_address_ & (1 << pin_number);

    return result;
}

inline void Port::set_pin(uint8_t pin_number) const
{
    *port_address_ |= (1 << pin_number);

    return;
}

class Button
{
public:
    Button(Port* port, const uint8_t pin_number, bool active_high);

    bool is_active() const;
    bool has_changed() const;
    bool activated() const;
    bool deactivated() const;
    void Poll();

private:
    const Port* const port_;
    const uint8_t pin_number_;
    const bool active_high_;

    bool active_;
    bool has_changed_;
};


inline Button::Button(Port* port, uint8_t pin_number, bool active_high)
: port_(port),
  pin_number_(pin_number),
  active_high_(active_high),
  active_(false),
  has_changed_(false)
{

    return;
}

inline bool Button::is_active() const
{
    return active_;
}

inline bool Button::has_changed() const
{
    return has_changed_;
}

inline bool Button::activated() const
{
    bool activated = (is_active() && has_changed());

    return activated;
}

inline bool Button::deactivated() const
{
    bool deactivated = ((!is_active()) && has_changed());

    return deactivated;
}

inline void Button::Poll()
{
    bool new_state = (port_->get_pin(3) == active_high_);

    has_changed_ = (new_state != active_);

    active_ = new_state;

    return;
}


int main(void)
{
    const uint8_t pin = 3;
    Port PortB = Port(&(*(volatile uint8_t *)((0x18) + 0x20)), &(*(volatile uint8_t *)((0x17) + 0x20)));
    Button ButtonB2 = Button(&PortB, pin, true);

    ButtonB2.Poll();
    bool active = ButtonB2.is_active();
    bool has_changed = ButtonB2.has_changed();
    bool activated = ButtonB2.activated();
    bool deactivated = ButtonB2.deactivated();

    bool x = (active && has_changed && activated);

    if (x) PortB.set_pin(2);

    while (true) { }

    return 0;
}