Second, for its insufficiencies in nodes controlling, we add a new module BTExtend above the BTHost modual, through which can controll the Bluetooth nodes behaviour flexibly.

• 其次,针对该仿真模块在灵活控制蓝牙节点的接口方面存在不足,在原架构下的BTHost模块之上添加了一个可以灵活控制蓝牙节点行为的新模块BTExtend。