pi_i2c.h

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#ifndef PI_I2C_H
#define PI_I2C_H

int i2c_init ();
int i2c_init_name (char *devname);
int i2c_select_device (unsigned int fd, unsigned int addr);
int i2c_write (unsigned int fd, unsigned int addr, unsigned char *data, unsigned int len);
int i2c_read (unsigned int fd, unsigned int addr, unsigned char *data, unsigned int len);

#endif