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/* i2cgpio.c */
int i2c_write_byte(uchar addr, uchar data);
int i2c_read_byte(uchar addr, uchar *data);
void i2c_reset(void);
extern unsigned char i2c_iactl[];
int i2c_setpin(int b);
int i2c_clrpin(int b);
int i2c_getpin(int b);
/* GPIO pin assignments (0->31) - defined in arch????.c */
extern int gpio_i2c_sda; /* in/out, as per i2c protocol */
extern int gpio_i2c_scl; /* in/out, as per i2c protocol */
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