scan_results
bssid / frequency / signal level / flags / ssid
ip link 可以看到芯片信息:
wlan0: <NO-CARRIER,BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state DORMANT mode DORMANT group default qlen 1000
link/ether b0:f1:ec:68:77:06 brd ff:ff:ff:ff:ff:ff
设备状态为up,可以说明芯片已经工作了吗?扫描不到wifi信号的原因可能有哪些呢?