camduino.h

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#ifndef __CAMDUINO_H__
#define __CAMDUINO_H__

#include "i2c.h"

enum psensor {
    PSENSOR_A = 0x1,
    PSENSOR_B = 0x2,
    PSENSOR_C = 0x4,
    PSENSOR_D = 0x8,
    PSENSOR_E = 0x10
};

#define NO_DETECTED_OBJECT 31

struct position {
    int x;
    int y; /* y coordinate of the ball */
};


extern u8 i2c_data[I2C_PORT_N][I2C_DATA_N];

int arduino_port;

int pstate = NO_DETECTED_OBJECT;

void init_camduino(int);

void get_ball_position(struct position*);

int object_detected();

int get_pstate(enum psensor);

#endif // __CAMDUINO_H__