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Merge pull request #426 from akuker/patch-1

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Add clarification to short circuit list feature
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Gilles Boccon-Gibod
2024-02-12 21:22:14 -08:00
committed by GitHub
parent 02180088b3 cde6d48690
commit de8f3d9c1e
1 changed files with 14 additions and 0 deletions
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docs/mkdocs/src/apps_and_tools/hci_bridge.md
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@@ -12,12 +12,25 @@ a host that send custom HCI commands that the controller may not understand.
```
python hci_bridge.py <host-transport-spec> <controller-transport-spec> [command-short-circuit-list]
```
The command-short-circuit-list field is specified by a series of comma separated Opcode Group
Field (OGF) : OpCode Command Field (OCF) pairs. The OGF/OCF values are specified in the Blutooth
core specification.
For the commands that are listed in the short-circuit-list, the HCI bridge will always generate
a Command Complete Event for the specified op code. The return parameter will be HCI_SUCCESS.
This feature can only be used for commands that return Command Complete. Other events will not be
generated by the HCI bridge tool.
!!! example "UDP to Serial"
```
python hci_bridge.py udp:0.0.0.0:9000,127.0.0.1:9001 serial:/dev/tty.usbmodem0006839912171,1000000 0x3f:0x0070,0x3f:0x0074,0x3f:0x0077,0x3f:0x0078
```
In this example, the short circuit list is specified to respond to the Vendor-specific Opcode Group
Field (0x3f) commands 0x70, 0x74, 0x77, 0x78 with Command Complete. The short circuit list can be
used where the Host uses some HCI commands that are not supported/implemented by the Controller.
!!! example "PTY to Link Relay"
```
python hci_bridge.py serial:emulated_uart_pty,1000000 link-relay:ws://127.0.0.1:10723/test
@@ -28,3 +41,4 @@ a host that send custom HCI commands that the controller may not understand.
(through which the communication with other virtual controllers will be mediated).
NOTE: this assumes you're running a Link Relay on port `10723`.