public void setDriverStart(boolean enable) {
        if (enable) {
            sendMessage(CMD_START_DRIVER);
        } else {
            sendMessage(CMD_STOP_DRIVER);
        }
    }
public void setDriverStart(boolean enable) {
        if (enable) {
            sendMessage(CMD_START_DRIVER);
        } else {
            sendMessage(CMD_STOP_DRIVER);
        }
    }
public void setdriverstart(boolean enable) { if (enable) { sendmessage(cmd_start_driver); } else { sendmessage(cmd_stop_driver); } }