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== https://github.com/msillano/UD18-protocol-and-node-red/blob/master/UD18_protocol.txt
============= commands PC => UD18
[WHreset] ff 55 11 03 01 00 00 00 00 51
[AHreset] ff 55 11 03 02 00 00 00 00 52
[resetTIME] ff 55 11 03 03 00 00 00 00 53
[resetALL] ff 55 11 03 05 00 00 00 00 5d
.
[SETUP] ff 55 11 03 31 00 00 00 00 01
[ENTER] ff 55 11 03 32 00 00 00 00 02
[+]command ff 55 11 03 33 00 00 00 00 03
[-]command ff 55 11 03 34 00 00 00 00 0c
============== ack-comands UD18 => PC
(ok-WHreset)ff 55 02 01 01 00 00 40
============== data push (1 sec) UD18 => PC
Offset(h) 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F
00000050 FF 55 01 03 00 01 F3 00 00 00 00 06 38 00 00 03
00000060 11 00 07 00 0A 00 00 00 12 2E 33 3C 00 00 00 00
00000070 00 00 00 4E
000000E0 FF 55 01 03 00 01 F3 00 00 00 00 06 38 00 00 03
000000F0 11 00 07 00 0A 00 00 00 12 2E 33 3C 00 00 00 00
00000100 00 00 00 4E
============== data map (big endien)
0000 FF
0001 55
0002 01 type: 01: data, 0x11: command, 02: ack-command
0003 03 ??
0004 00 V
0005 00 V
0006 00 V, as INT24, /100
0007 00 I
0008 00 I
0009 00 I, as INT24, /100
000A 00 mAh
000B 00 mAh
000C 00 mAh, as INT24,
000D 00 Wh
000E 00 Wh
000F 00 Wh
0010 00 Wh, as INT32, /100
0011 00 D-
0012 07 D- as INT16, /100
0013 00 D+
0014 0A D+ as INT16, /100
0015 00
0016 00
0017 00
0018 12 t-h, as BYTE, hour
0019 2E t-m, as BYTE, min
001A 33 t-s, as BYTE, sec.
001B 3C
001C 00
001D 00
001E 00
001F 00
0020 00
0021 00
0022 00
0023 4E CRC ?? unknow algorithm
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