ShineWiFi-S compatibility #1

the-butterfry · 2021-04-22T17:59:16Z

Hey I don't expect you to know this, but maybe you do. I've got what I'm guessing is an older WiFi-F USB model. In your research on building this, did you come across anything that supports the protocol being the same? the -X seems to be an updated unit but I'm assuming they're interacting with the same growatt API, thus communicate identically.

Also, mine is reported as a -S model, but all online documentation and images match the -F linked above. I donno.

If you don't know, I'm willing to give it a go. I've got your script installed on a MQTT listening RPi onsite. but just need to go onsite and configure the module.

I think your approach is the best one of the many out there for getting data from these things and avoiding the bad growatt interface and communications.

knowthelist · 2021-04-22T18:38:01Z

Sorry, I don't know. I just tested it with my wifi stick. But I guess it's compatible with older versions of the protocol as well.
Just give it a try: Start it with full debug mode:

perl growatt_server.pl --debug=3

With this setting you can see if the client get connected and every message that come in.

the-butterfry · 2021-04-22T18:41:22Z

got it, I'll report back when i get there later.

the-butterfry · 2021-04-22T19:02:05Z

I think the difference between these is the inverter models.. I've got one of the All In One Charger/Inverter: SPF 3000TL LVM

P.S. in the readme you've got /ftui/ in the URL for install on your clone line.

the-butterfry · 2021-04-22T20:54:27Z

Ok, here's the output:

`pi@Farm-pi:~/Growatt-server $ perl growatt_server.pl --debug=3
2021-04-22 13:52:07 Starting Growatt server on 0.0.0.0:5279
2021-04-22 13:52:09 Connection from 192.168.55.3 accepted
2021-04-22 13:52:11 ======= CLIENT ==== REQUEST =====
process_message type 0x16
process_message data
0000: 44 44 44 30 41 33 39 31 32 51 DDD0A3912Q
2021-04-22 13:52:11 == received PING from DDD0A3912Q, sending reply ==

2021-04-22 13:52:11 ======= SERVER ==== REPLY =====
2021-04-22 13:52:11 ======= CLIENT ==== REQUEST =====
process_message type 0x03
process_message data
0000: 44 44 44 30 41 33 39 31 32 51 55 4b 44 41 41 35 DDD0A3912QUKDAA5
0010: 31 30 33 37 15 04 16 0c 33 0b 02 00 00 00 2c 00 1037....3.....,.
0020: 01 00 01 00 01 00 00 00 00 00 00 00 00 00 00 00 ................
0030: 02 35 30 32 2e 30 37 30 30 32 2e 30 34 00 00 ff .502.07002.04...
0040: ff 00 00 00 06 00 01 00 00 00 00 00 00 55 4b 44 .............UKD
0050: 41 41 35 31 30 33 37 00 00 00 00 00 01 01 00 00 AA51037.........
0060: 00 00 00 00 50 01 1b 01 10 00 e6 00 1e 00 02 00 ....P...........
0070: 00 00 00 00 00 4e 25 00 00 00 2d 00 59 07 e5 00 .....N%...-.Y...
0080: 04 00 16 00 0c 00 2a 00 31 00 00 00 00 00 00 00 ......*.1.......
0090: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
|
00b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 75 30 00 .............u0.
00c0: 00 75 30 00 00 00 00 00 d2 00 00 04 b0 02 58 01 .u0...........X.
00d0: e0 02 58 01 2c 04 b0 ..X.,..
Month '-1' out of range 0..11 at growatt_server.pl line 410.`

the-butterfry · 2021-04-22T22:21:00Z

I also tried changing date format, that didn't seem to help. I'll leave it like this for now to see if you have ideas.

knowthelist · 2021-04-22T23:17:59Z

your ANNOUNCE message doesn't contain a valid date. It is all zeros.
The script should ignore that. Could you add this lines before line 410?

    if ( $day < 1 ) { $day = 1; }
    if ( $month < 1 ) { $month = 1; }
    if ( $year < 1 ) { $year = 1970; }

the-butterfry · 2021-04-22T23:30:20Z

this is what I ended up with:

my $now =
   timelocal( $tm[0], $tm[1], $tm[2], $tm[3], $tm[4], 1900 + $tm[5] );
 if ( $day < 1 ) { $day = 1; }
 if ( $month < 1 ) { $month = 1; }
 if ( $year < 1 ) { $year = 1970; }
 my $time = timelocal( $sec, $min, $hour, $day, $month -1, $year );

which now produces:
pi@Farm-pi:~/Growatt-server $ perl growatt_server.pl --debug=3
2021-04-22 16:29:37 Starting Growatt server on 0.0.0.0:5279
2021-04-22 16:29:39 Connection from 192.168.55.3 accepted
2021-04-22 16:29:39 ======= CLIENT ==== REQUEST =====
process_message type 0x19
process_message data
0000: 44 44 44 30 41 33 39 31 32 51 00 05 00 01 31 DDD0A3912Q....1
'x' outside of string in unpack at growatt_server.pl line 425.

the-butterfry · 2021-04-22T23:36:17Z

interesting, sometimes if i run it I get what looks like usable data:

pi@Farm-pi:~/Growatt-server $ sudo perl growatt_server.pl --debug=3
2021-04-22 16:35:22 Starting Growatt server on 0.0.0.0:5279
2021-04-22 16:35:25 Connection from 192.168.55.3 accepted
2021-04-22 16:35:25 ======= CLIENT ==== REQUEST =====
process_message type 0x19
process_message data
0000: 44 44 44 30 41 33 39 31 32 51 00 0b 00 1d 23 23 DDD0A3912Q....##
0010: 31 39 32 2e 31 36 38 2e 33 2e 33 35 2f 61 70 70 192.168.3.35/app
0020: 2f 78 6d 6c 2f 23 38 30 38 31 23 /xml/#8081#
CONFIG of DDD0A3912Q 0x70 ml/#8081#
2021-04-22 16:35:26 ======= CLIENT ==== REQUEST =====
process_message type 0x16
process_message data
0000: 44 44 44 30 41 33 39 31 32 51 DDD0A3912Q
2021-04-22 16:35:26 == received PING from DDD0A3912Q, sending reply ==

2021-04-22 16:35:26 ======= SERVER ==== REPLY =====
2021-04-22 16:35:26 ======= CLIENT ==== REQUEST =====
process_message type 0x50
process_message data
0000: 44 44 44 30 41 33 39 31 32 51 55 4b 44 41 41 35 DDD0A3912QUKDAA5
0010: 31 30 33 37 15 04 16 0c 35 0b 02 00 00 00 2c 00 1037....5.....,.
0020: 0c 03 78 00 00 00 00 0a 00 00 00 00 00 00 5a 00 ..x...........Z.
0030: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
0040: 00 0a 8e 00 64 09 8c 00 00 00 00 04 b0 17 70 00 ....d.........p.
0050: 00 00 dd 00 da 00 00 00 00 00 00 00 00 00 00 00 ................
0060: db 00 f5 00 00 00 0b 00 00 00 00 00 00 00 00 00 ................
0070: 00 00 00 00 00 00 00 4e 25 00 2d 00 59 00 01 00 .......N%.-.Y...
0080: 00 00 00 00 00 00 09 00 00 00 59 00 00 00 00 00 ..........Y.....
0090: 00 00 00 00 00 00 00 00 00 00 33 00 00 00 01 00 ..........3.....
00a0: 00 00 04 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 ff ff f6 ................
00c0: 78 00 00 00 00 00 00 00 17 00 5a 00 00 00 00 00 x.........Z.....
00d0: 01 00 00 00 07 00 00 .......
2021-04-22 16:35:26 == received BUFFERED_DATA from DDD0A3912Q, sending reply ==

timestamp: 2000-00-00 00:00:10
Eac_today: 0.0
Eac_total: 0.0
Ppv1: 1448367.4
Ipv1: 0.0
Vpv1: 600.0
Fac: 0.45
Vac1: 8.9
Iac1: 0.1
Pac1: 0.0
2021-04-22 16:35:26 ======= SERVER ==== REPLY =====
2021-04-22 16:35:27 ======= CLIENT ==== REQUEST =====
process_message type 0x19
process_message data
0000: 44 44 44 30 41 33 39 31 32 51 00 0c 00 0f 58 58 DDD0A3912Q....XX
0010: 58 58 58 58 58 58 58 58 58 58 58 58 58 XXXXXXXXXXXXX
'x' outside of string in unpack at growatt_server.pl line 425.

knowthelist · 2021-04-23T05:23:32Z

Not really. Something must be shifted when decoding. We need a little more verbose log.

Please start with log level 4 to get the raw messages

perl growatt_server.pl --debug=4

the-butterfry · 2021-04-23T05:54:07Z

pi@Farm-pi:~/Growatt-server $ perl growatt_server.pl --debug=4
2021-04-22 22:59:51 Starting Growatt server on 0.0.0.0:5279
2021-04-22 22:59:57 Connection from 192.168.55.3 accepted
2021-04-22 22:59:57 ======= CLIENT ==== REQUEST =====
RAW
0000: 00 02 00 05 00 0c 01 16 03 36 2b 47 20 47 4d 76 .........6+G GMv
0010: 40 3e 08 bd @>..

split_message buffer_length 20
split_message protocol_id5
split_message message size12
decode_message message CRC 2237 calculated CRC 2237
process_message type 0x16
process_message data
0000: 44 44 44 30 41 33 39 31 32 51 DDD0A3912Q
2021-04-22 22:59:57 == received PING from DDD0A3912Q, sending reply ==

2021-04-22 22:59:57 ======= SERVER ==== REPLY =====
RAW
0000: 00 02 00 05 00 0c 01 16 03 36 2b 47 20 47 4d 76 .........6+G GMv
0010: 40 3e 08 bd @>..

split_message buffer_length 0
2021-04-22 23:00:05 ======= CLIENT ==== REQUEST =====
RAW
0000: 00 02 00 05 00 d9 01 03 03 36 2b 47 20 47 4d 76 .........6+G GMv
0010: 40 3e 22 2a 30 35 06 47 5e 47 52 43 74 47 72 6f @>"*05.G^GRCtGro
0020: 77 61 76 74 47 72 43 77 60 74 75 47 73 6f 77 61 wavtGrCwtuGsowa 0030: 74 74 47 72 6f 77 61 74 76 72 42 5d 59 51 43 44 ttGrowatvrB]YQCD 0040: 77 40 41 47 55 74 74 b8 8d 6f 77 61 72 74 46 72 [email protected] 0050: 6f 77 61 74 74 12 39 2b 36 20 41 45 77 41 58 77 owatt.9+6 AEwAXw 0060: 61 74 74 47 73 6e 77 61 74 74 47 72 3f 76 7a 75 attGsnwattGr?vzu 0070: 64 47 94 6f 69 61 76 74 47 72 6f 77 61 3a 51 47 dG.oiavtGrowa:QG 0080: 72 6f 5a 61 2d 73 a2 72 6b 77 77 74 62 47 48 6f roZa-s.rkwwtbGHo 0090: 68 61 74 74 47 72 6f 77 61 74 74 47 72 6f 77 61 hattGrowattGrowa 00a0: 74 74 47 72 6f 77 61 74 74 47 72 6f 77 61 74 74 ttGrowattGrowatt 00b0: 47 72 6f 77 61 74 74 47 72 6f 77 61 74 74 47 72 GrowattGrowattGr 00c0: 6f 77 61 74 74 32 42 6f 77 14 44 74 47 72 6f 77 owatt2Bow.DtGrow 00d0: b3 74 74 43 c2 6d 2f 60 94 76 1f 73 43 73 d1 91 .ttC.m/.v.sCs..
00e0: 8c .

split_message buffer_length 225
split_message protocol_id5
split_message message size217
decode_message message CRC 37260 calculated CRC 37260
process_message type 0x03
process_message data
0000: 44 44 44 30 41 33 39 31 32 51 55 4b 44 41 41 35 DDD0A3912QUKDAA5
0010: 31 30 33 37 00 00 00 00 00 00 02 00 00 00 2c 00 1037..........,.
0020: 01 00 01 00 01 00 00 00 00 00 00 00 00 00 00 00 ................
0030: 02 35 30 32 2e 30 37 30 30 32 2e 30 34 00 00 ff .502.07002.04...
0040: ff 00 00 00 06 00 01 00 00 00 00 00 00 55 4b 44 .............UKD
0050: 41 41 35 31 30 33 37 00 00 00 00 00 01 01 00 00 AA51037.........
0060: 00 00 00 00 50 01 1b 01 10 00 e6 00 1e 00 02 00 ....P...........
0070: 00 00 00 00 00 4e 25 00 00 00 2d 00 59 07 e5 00 .....N%...-.Y...
0080: 04 00 16 00 16 00 3a 00 1f 00 00 00 00 00 00 00 ......:.........
0090: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
|
00b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 75 30 00 .............u0.
00c0: 00 75 30 00 00 00 00 00 d2 00 00 04 b0 02 58 01 .u0...........X.
00d0: e0 02 58 01 2c 04 b0 ..X.,..
2021-04-22 23:00:05 == received ANNOUNCE from DDD0A3912Q for inverter ,��, sending reply ==

time diff:1619128805
diff > 60 => correct time on client now.
2021-04-22 23:00:05 ======= SERVER ==== REPLY =====
RAW
0000: 00 02 00 05 00 23 01 18 03 36 2b 47 20 47 4d 76 .....#...6+G GMv
0010: 40 3e 77 7e 74 67 75 42 5d 46 4c 44 40 6a 40 5d @>w~tguB]FLD@j@]
0020: 57 53 47 4e 77 42 55 47 54 5a 83 WSGNwBUGTZ.

2021-04-22 23:00:05 ======= SERVER ==== REPLY =====
RAW
0000: 00 02 00 05 00 03 01 03 47 3a 9a ........G:.

2021-04-22 23:00:05 ======= SERVER ==== REPLY =====
RAW
0000: 00 02 00 05 00 10 01 19 03 36 2b 47 20 47 4d 76 .........6+G GMv
0010: 40 3e 77 65 74 6b 28 4f @>wetk(O

split_message buffer_length 0
2021-04-22 23:00:08 ======= CLIENT ==== REQUEST =====
RAW
0000: 00 02 00 05 00 d9 01 50 03 36 2b 47 20 47 4d 76 .......P.6+G GMv
0010: 40 3e 22 2a 30 35 06 47 5e 47 52 43 61 43 64 62 @>"*05.G^GRCaCdb
0020: 76 7f 76 74 47 72 43 77 6d 77 dd 47 72 6f 77 6b v.vtGrCwmw.Growk
0030: 74 74 47 72 6f 77 3c 74 74 47 72 6f 77 61 74 74 ttGrow<ttGrowatt
0040: 47 72 6f 77 61 74 74 47 72 65 e2 61 10 7d ca 72 GrowattGre.a.}.r
0050: 6f 77 61 70 c5 50 1d 6f 77 61 aa 74 9c 72 6f 77 owap.P.owa.t.row
0060: 61 74 74 47 72 6f 77 61 a8 74 b1 72 6f 77 6d 74 attGrowa.t.rowmt
0070: 74 47 72 6f 77 61 74 74 47 72 6f 77 61 74 74 09 tGrowattGrowatt.
0080: 57 6f 5a 61 2d 74 46 72 6f 77 61 74 74 47 78 6f WoZa-tFrowattGxo
0090: 77 61 2e 74 47 72 6f 77 61 74 74 47 72 6f 77 61 wa.tGrowattGrowa
00a0: 74 74 74 72 6f 77 60 74 74 47 76 6f 77 61 74 74 tttrow`ttGvowatt
00b0: 47 72 6f 77 61 74 74 47 72 6f 77 61 74 74 47 72 GrowattGrowattGr
00c0: 6f 77 61 74 74 b8 8d 98 05 61 74 74 47 72 6f 77 owatt....attGrow
00d0: 77 74 25 47 72 6f 77 61 75 74 47 72 68 77 61 70 wt%GrowautGrhwap
00e0: 6a j

split_message buffer_length 225
split_message protocol_id5
split_message message size217
decode_message message CRC 28778 calculated CRC 28778
process_message type 0x50
process_message data
0000: 44 44 44 30 41 33 39 31 32 51 55 4b 44 41 41 35 DDD0A3912QUKDAA5
0010: 31 30 33 37 15 04 16 0d 01 1e 02 00 00 00 2c 00 1037..........,.
0020: 0c 03 a9 00 00 00 00 0a 00 00 00 00 00 00 5d 00 ..............].
0030: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
0040: 00 0a 95 00 64 09 8d 00 00 00 00 04 b1 17 6f 00 ....d.........o.
0050: 00 00 de 00 db 00 00 00 00 00 00 00 00 00 00 00 ................
0060: dc 00 f6 00 00 00 0c 00 00 00 00 00 00 00 00 00 ................
0070: 00 00 00 00 00 00 00 4e 25 00 2d 00 59 00 01 00 .......N%.-.Y...
0080: 00 00 00 00 00 00 0a 00 00 00 5a 00 00 00 00 00 ..........Z.....
0090: 00 00 00 00 00 00 00 00 00 00 33 00 00 00 01 00 ..........3.....
00a0: 00 00 04 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 ff ff f7 ................
00c0: 72 00 00 00 00 00 00 00 16 00 51 00 00 00 00 00 r.........Q.....
00d0: 01 00 00 00 07 00 00 .......
2021-04-22 23:00:08 == received BUFFERED_DATA from DDD0A3912Q, sending reply ==

timestamp: 2000-00-00 00:00:10
Eac_today: 0.0
Eac_total: 0.0
Ppv1: 1454921.1
Ipv1: 0.0
Vpv1: 599.9
Fac: 0.45
Vac1: 8.9
Iac1: 0.1
Pac1: 0.0
2021-04-22 23:00:08 ======= SERVER ==== REPLY =====
RAW
0000: 00 02 00 05 00 03 01 50 47 ca a6 .......PG..

split_message buffer_length 0
2021-04-22 23:00:08 ======= CLIENT ==== REQUEST =====
RAW
0000: 00 02 00 05 00 0f 01 18 03 36 2b 47 20 47 4d 76 .........6+G GMv
0010: 40 3e 77 7e 74 46 49 @>w~tFI

split_message buffer_length 23
split_message protocol_id5
split_message message size15
decode_message message CRC 17993 calculated CRC 17993
process_message type 0x18
process_message data
0000: 44 44 44 30 41 33 39 31 32 51 00 1f 00 DDD0A3912Q...
2021-04-22 23:00:08 == unhandled message ==

split_message buffer_length 0
2021-04-22 23:00:08 ======= CLIENT ==== REQUEST =====
RAW
0000: 00 02 00 05 00 11 01 19 03 36 2b 47 20 47 4d 76 .........6+G GMv
0010: 40 3e 77 65 74 75 76 4e b0 @>wetuvN.

split_message buffer_length 25
split_message protocol_id5
split_message message size17
decode_message message CRC 20144 calculated CRC 20144
process_message type 0x19
process_message data
0000: 44 44 44 30 41 33 39 31 32 51 00 04 00 01 31 DDD0A3912Q....1
'x' outside of string in unpack at growatt_server.pl line 425.

knowthelist · 2021-04-24T16:08:03Z

you have protocol version 5. This have to be decodes differently. I try to figure it out and adapt the code accordingly.

the-butterfry · 2021-04-26T13:45:44Z

Don't spend too much time on it, I think someone has already figured it out. Check out the project over at Grott https://github.com/johanmeijer/grott

knowthelist · 2021-04-26T19:37:08Z

I added some protocol 5 specifics, but the output values for your examples of message 0x50 make no sense to me. I tried a lot of position and also the settings from other projects.
Can you say what values can be expected?

Eac_today: e.g. 3KWh
Eac_total: ?
Ppv1: ?
Ipv1: ?
Vpv1: ?
Fac: 50 or 60Hz
Vac1: 120V or 230V
Iac1: ?
Pac1: ?

gabrielpc1190 · 2021-12-02T03:02:12Z

Maybe you need to talk to JohanMeijer to coordinate a better version of both codes.
He's pretty active on his project and your idea it's pretty good

Lasszo · 2023-03-07T20:44:35Z

Hello guys,

Did some one managed to get it work recently ?

Month '88' out of range 0..11 at growatt_server.pl line 416.

Provide feedback

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ShineWiFi-S compatibility #1

ShineWiFi-S compatibility #1

the-butterfry commented Apr 22, 2021 •

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Lasszo commented Mar 7, 2023

ShineWiFi-S compatibility #1

ShineWiFi-S compatibility #1

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