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Update 'USB config & command protocol'

Triss 2021-08-26 18:25:06 +00:00
parent af818a3b22
commit 361404f940
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USB-config-%26-command-protocol.md

@ -26,6 +26,12 @@ These commands work at any moment and are used to query the general device state
* Set cur mode (`0x03`): sets the current mode. One extra request byte (the mode number), no response payload.
* Get info string (`0x04`): get a null-terminated string containing human-readable info about the device. For display purposes only.
### Persistent storage commands
* Get storage info (`0x0c`): returns the 256-byte header data of the persistent storage. No arguments.
* Get mode storage data (`0x0d`): returns the (variable-length) data of a mode. One argument byte, the mode.
* Flush data to storage medium (`0x0e`): writes the storage data when changed. Automatically called on OS USB detach/unmount (as long as there is still power supplied to the device).
## Common mode commands
These commands work for any mode, and have the same effect across all of them.