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CC2540扫描手机蓝牙信号

Other Parts Discussed in Thread: CC2540, CC2564

       使用CC2540作为主机,能否扫描到手机的蓝牙信号??

      我的理解:CC2540为BLE4.0,手机一般都是双模蓝牙(最新的手机为BLE5.0,一般的手机都是BLE4.2),但是BLE向上兼容,应该可以建立连接。

     本人实测了很多遍,还是扫描不到手机的蓝牙信号。求大神给个准确的答案我。谢谢!