i2cspi_write_register
int i2cspi_write_register(int, bool, int, uint8_t, uint8_t);
EXTERN int i2cspi_write_register(int, bool, int, uint8_t, uint8_t);
func_block.func_phy_write = &i2cspi_write_register;
error = i2cspi_write_register(fd,debug,module,reg,reg_value);