printf_P(PSTR(" command_size=%d\r\n"), command_size);
printf_P(PSTR(" command_dest=%d\r\n"), command_dest);
printf_P(PSTR(" i2c_status=%x\r\n"), i2c_status());
printf_P(PSTR(" command_size=%d\r\n"), command_size);
printf_P(PSTR(" command_dest=%d\r\n"), command_dest);
printf_P(PSTR(" i2c_status=%x\r\n"), i2c_status());