+protocol:
+
+send:
+
+LL TT XX XX EE CC
+
+LL - length of message (including checksum)
+TT - type of message
+ 00 - main
+ 01 - error checksum
+ 02 - hardware version
+ 03 - error?
+ 0A - software version
+ 80 - change params
+XX - data
+EE - expected return value (length of reply - 3 bytes)
+CC - checksum
+
+
# hardware version
> 07 02 00 00 00 04 C4
< 08 00 00 [ 93 0B 09 ] FB 0B
# 0147_11.09
+
> 07 00 00 00 16 00 CC
< 06 00 02 0E 00 74
> 07 00 00 00 14 00 C8
< 04 00 02 12
> 07 02 00 00 00 04 C4
< 08 00 00 93 0B 09 FB 0B
+
> 14 80 01 00 06 01 00 00 00 00 00 00 00 00 00 00 00 00 00 52
< 03 56 50
< 0D 00 1D 1D 16 16 18 16 14 14 96 64 7C
> 07 00 01 00 06 0E EA
< 11 00 35 28 32 C5 C5 4A 34 B5 3B 16 00 00 00 00 ED
+
> 07 02 00 00 00 04 C4
< 08 00 00 93 0B 09 FB 0B
> 07 00 00 00 26 0A A6
< 0D 00 1D 1D 16 16 18 16 14 14 96 64 7C
> 07 00 01 00 06 0E EA
< 11 00 35 28 32 C5 C5 4A 34 B5 3B 16 00 00 00 00 ED
+
> 07 02 00 00 00 04 C4
< 08 00 00 93 0B 09 FB 0B
> 07 00 00 00 26 0A A6
< 0D 00 1D 1D 16 16 18 16 14 14 96 64 7C
> 07 02 00 00 00 04 C4
< 08 00 00 93 0B 09 FB 0B
+
> 07 00 00 00 39 02 90
< 05 00 04 06 26
> 07 00 00 00 18 03 D3