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Libreflip protocol

• Prepare machine (thingy all the way up + lights on)
• Flip page (╯°□°）╯︵ ┻━┻
• Finish scan Part 1 (Thingy all the way up)
• Finish scan Part 2 (Thingy all the way down + lights off)

Commands

Protocol is split into 1 byte command code and additional byte of instruction code. The protocol communication is terminated by a 0-bit.

Command table

Command	Instruction	Code
Move Box	Up	00000010 - 00000001
Move Box	Down	00000010 - 00000000
Lighting	Activate	00000100 - 00000001
Lighting	Deactivate	00000100 - 00000000
Flip Page	Size in mm	00001000 - xxxxxxxx

Responses

• 1 byte (Ok/ not ok, 0 == Ok)
• 1 byte (Payload length)
• Then n bytes payload

Payloads

Move Box (Up/Down)

• Some error codes
• No Payload

Lighting (On/ Off)

• SAY YES OR OKAY
• No Payload

Flip Table (Page)

• Error codes 0 - 2 (incl)
  • Number is number of retries (but still successful)
  • 3: Max number of retries exceeded. Flip failed
  • 4 - 254: Implementation specific hardware error code
• Payload length (probably) 4 bytes
  • u32 ambient pressure sensor value