目前使用最多的低功耗蓝牙芯片CC2541，本源码是针对此芯片的蓝牙主机和从机切换，不用重启设备即可切换，希望可以帮到需要的人-Currently the most used bluetooth chip CC2541, low power consumption of this source code is for the chip bluetooth host and switch machine, without restarting equipment can switch, the h