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CC2540 自身如何读取 RSSI



HCI_ReadRssiCmd();应该使用到这个函数吧,可是不知道这个函数如何使用?

GAPRole_GetParameter(GAPROLE_CONNHANDLE, &temp1 );  

temp2 = HCI_ReadRssiCmd(temp1);

这样试了一下可是不太对,似乎有回调函数,但是不知道怎么用,求高人指点。