#include void i2c_init(void) { } void i2c_set_frequency(int hz) { } int i2c_read(int address, char *data, int lengt, bool repeated) { return 0; } int i2c_read_byte(int ack) { return 0; } int i2c_write(int address, const char *data, int length, bool repeated) { return 0; } int i2c_write_byte(int data) { return 0; } void i2c_start(void) { } void i2c_stop(void) { }