This directory contains command-line tools for Bluetooth development.
Note: to use the bluetooth tools with your Fuchsia build, add --with //src/connectivity/bluetooth/tools to your fx set command.
bt-snoop-cli is a command line client of the bt-snoop service. bt-snoop monitors snoop channels for all bluetooth controllers on the system. bt-snoop-cli subscribes to snoop logs for HCI devices and writes traffic to a file (stdout by default) supporting the pcap format. The captured packets can be visualized using any protocol analyzer that supports pcap (e.g. Wireshark).
This will fetch the current buffer of packets for all devices under /dev/class/bt-hci/, output the traffic to stdout, then exit:
$ bt-snoop-cli --dump --format pretty
To initiate a live capture using Wireshark (on host):
$ fx shell bt-snoop-cli | wireshark -k -i -
To specify a custom HCI device (“005”) and output location (on device):
$ bt-snoop-cli --output /my/custom/path --device 005
Logs can then be copied from the Fuchsia device and given to any tool that can parse BTSnoop (e.g. Wireshark):
$ fx cp --to-host :/tmp/btsnoop.log ./ $ wireshark ./btsnoop.log
See the tool's help for complete usage:
$ bt-snoop-cli --help
bt-cli is a command-line interface for the Generic Access Profile (using the fuchsia.bluetooth.sys FIDL interfaces). This can be used to query available Bluetooth controllers, to perform dual-mode discovery and connection procedures, and to respond to pairing requests.
The bluetooth process does not need to be run directly before using bt-cli, as it will be launched by sysmgr if necessary.
$ bt-cli
bt> controller
HostInfo:
identifier: 35700c9b-6748-4676-bd2c-1d863fd89210
addresses: [address (public) 28:C6:3F:2F:D4:14]
[address (random) 28:C6:3F:2F:D4:15]
active: true
technology: DualMode
local name: fuchsia fuchsia-unset-device-name
discoverable: false
discovering: false
This package contains additional tools. Refer to each tool's own README for more information.