# Image transfer
[01][02][0x10][07]      # image start id=7
<raw image bytes>
[01][02][0x12][07][CRC32]
[02][01][0x30][07]      # ack

# Video transfer
[01][02][0x20][09]
<chunk>
[01][02][0x21][09]
<chunk>
[01][02][0x22][09][CRC32]
[02][01][0x30][09]

# ID change
[01][FF][0x40][0x09]
[FF][09][0x30]
