像 ping 一樣動作的 l2ping:
先用 hcitool scan 掃一下 附近 device 的 Address
用 l2ping XX:XX:XX:XX:XX:XX
就像網路的 ping 一樣，會回報回應時間。
也有類似 iperf 一樣的 持續 send, rec 的 client -- server mode testing program:
l2test
Usage:
l2test [options] [bdaddr]
Modes:
-r listen and receive
-w listen and send
-d listen and dump incoming data
-x listen, then send, then dump incoming data
-t listen, then send and receive at the same time
-q connect, then send and receive at the same time
-s connect and send
-u connect and receive
-n connect and be silent
-y connect, then send, then dump incoming data
-c connect, disconnect, connect, ...
-m multiple connects
-p trigger dedicated bonding
-z information request
Options:
[-b bytes] [-i device] [-P psm]
[-I imtu] [-O omtu]
[-L seconds] enable SO_LINGER
[-W seconds] enable deferred setup
[-B filename] use data packets from file
[-N num] send num frames (default = infinite)
[-C num] send num frames before delay (default = 1)
[-D milliseconds] delay after sending num frames (default = 0)
[-X mode] select retransmission/flow-control mode
[-F fcs] use CRC16 check (default = 1)
[-Q num] Max Transmit value (default = 3)
[-Z size] Transmission Window size (default = 63)
[-R] reliable mode
[-G] use connectionless channel (datagram)
[-U] use sock stream
[-A] request authentication
[-E] request encryption
[-S] secure connection
[-M] become master
[-T] enable timestamps
實際使用：
Server 的 command:
l2test -I 2000 -r
Client 的 command:
l2test -O 2000 -s XX:XX:XX:XX:XX:XX
ref:
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