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Update 'USB config & command protocol'

Triss 2021-07-15 02:47:14 +00:00
parent c852f58231
commit d7d05a655d
1 changed files with 2 additions and 2 deletions
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USB-config-%26-command-protocol.md

@ -23,13 +23,13 @@ These commands work at any moment and are used to query the general device state
* Get modes (`0x01`): returns 2 bytes with a bitmap containing all supported modes. Bit 0 is for general config (aka this command group) and must always be 1.
* Get cur mode (`0x02`): returns a single byte containing the current mode number.
* Set cur mode (`0x03`): sets the current mode. One extra request byte (the mode number), no response payload.
* Get info string (`0x04`): get a string containing human-readable info about the device. For display purposes only. Should not exceed the USB buffer size (64 bytes).
* Get info string (`0x04`): get a null-terminated string containing human-readable info about the device. For display purposes only.
## Common mode commands
These commands work for any mode, and have the same effect across all of them.
* Get name (`0xM0`): returns a name or other descriptive string in the payload. For display purposes only. Should not exceed the USB buffer size (64 bytes).
* Get name (`0xM0`): returns a name or other descriptive string in the payload. Null-terminated, for display purposes only.
* Get version (`0xM1`): returns a 2-byte version number in the payload.
* Get features (`0xM2`): gets a bitmap of supported features. Length and meaning of the bits depends on the mode.