HEX-NET sporadically drops values

   #1  
alexnoe

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When logging with HEX-NET (CB 0.4555, FW 1.64), once in a while a row in the resulting CSV file is shorter than it is supposed to be:
Code: 
Fri,Dec,10,2021,08:37:40 -VCID:28135BA3CDC20B2BF482A78-807D,VCDS Mobile: 0.4555
03G 906 013 K,ADVMB,R4 1,9L EDC G000SG   2940,
,,G002,F3,G006,F0,G015,F0,G015,F1,G015,F2,G041,F1,G041,F2,G062,F2,G073,F1,G074,F1,G000,F0,G000,F0,

Marker,TIME,Group 2 - Field 3,TIME,Group 6 - Field 0,TIME,Group 15 - Field 0,TIME,Group 15 - Field 1,TIME,Group 15 - Field 2,TIME,Group 41 - Field 1,TIME,Group 41 - Field 2,TIME,Group 62 - Field 2,TIME,Group 73 - Field 1,TIME,Group 74 - Field 1,,,,,
,STAMP,Coolant Temperature (G62),STAMP,Vehicle Speed (actual),STAMP,Engine Speed (G28),STAMP,Engine Torque ,STAMP,Fuel Consumption,STAMP,Position (spec.) EGR-Actuator,STAMP,Position (act.) EGR-Actuator,STAMP,Ambient Temperature,STAMP,Distance since Regeneration,STAMP,Temperature bef. Turbo Charger,,,,,
,, °C,, km/h,, /min,, Nm,, l/h,, %,, %,, °C,, km,, °C,,,,,
,0.38,5.4,0.58,0.0,0.79,903,0.79,51.0,0.79,0.84,0.99,13.8,0.99,10.7,1.20,3.6,1.40,100,0.17,168.0,,,,,
,1.81,5.4,2.02,0.0,2.22,903,2.22,51.0,2.22,0.84,2.43,12.2,2.43,10.7,2.63,3.6,2.84,100,1.61,162.0,,,,,
,3.25,5.4,3.45,0.0,3.66,1491,3.66,138.0,3.66,5.04,3.86,0.0,3.86,0.0,4.07,3.6,4.27,100,3.04,156.0,,,,,
...
,189.80,39.6,190.01,82.0,190.21,1491,190.21,240.0,190.21,9.03,190.42,0.0,190.42,0.0,190.62,0.0,190.83,100,189.60,354.0,,,,,
,191.24,40.5,191.44,85.0,191.65,1554,191.65,243.0,191.65,9.45,191.85,0.0,191.85,0.0,192.06,0.0,192.26,100,191.03,420.0,,,,,
,192.67,40.5,192.88,88.0,193.08,243.0,193.08,9.66,193.29,0.0,193.29,0.0,193.49,0.9,193.70,100,192.47,444.0,,,,,
,194.11,40.5,194.31,92.0,194.52,1680,194.52,240.0,194.52,10.08,194.72,0.0,194.72,0.0,194.93,0.9,195.13,100,193.92,444.0,,,,,
,195.54,40.5,195.75,95.0,195.95,1722,195.95,126.0,195.95,5.25,196.16,12.2,196.16,9.7,196.36,1.8,196.57,100,195.34,450.0,,,,,
...
In this specific case, the engine speed time stamp and value are missing from the line starting with ",192.67". Other values from the same group (engine torque and fuel consumption) are there. The problem is that this breaks the entire line. If the value obtained from the ECU was invalid, I would prefer that it maintains the CSV column structure.

I stumbled over this when making an application that creates a gnuplot data file from a VCDS recording (plotting with LibreOffice is way too much manual work). In one file with 8690 lines, there are 6 lines showing this problem, and it's not always the engine speed that was dropped. As a workaround, I'm only using rows where the number of columns is the same as in most other rows.

I've also looked through older recordings I've made, and it's been there in CB 0.4543 as well. VCDS on Windows doesn't seem to show this behaviour.
 
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   #2  
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Shaun

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Can you try CB V0.4608 that is currently on beta?
 
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   #3  
alexnoe

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Shaun said:
Can you try CB V0.4608 that is currently on beta?
Click to expand...
I can. Given the likelihood at which it happens, a conclusive test must be quite long. Next Friday I'll be on a 3,5 hours drive, which is perfect for this.
 
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alexnoe

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The problem is there also in CB 0.4608.
 
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Ok I'm looking into this. Given how sporadic it is, it may take a while to test.
 
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Ok I have a test fix in alpha CB V0.4610. I temporarily put your interface onto the alpha channel so that you can test this fix, if you check for updates you should now be able to update to that CB. We will be closed soon for the holidays, but if you get a chance to test this let us know how it goes.
 
   #8  
alexnoe

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Mon,Dec,27,2021,14:27:32 -VCID:28135BA3CDC20B2BF4829B1-807D,VCDS Mobile: 0.4610
03G 906 013 K,ADVMB,R4 1,9L EDC G000SG 2940,
,,G002,F3,G006,F0,G015,F0,G015,F1,G015,F2,G041,F2,G062,F2,G069,F0,G069,F3,G073,F1,G074,F1,G000,F0,

Marker,TIME,Group 2 - Field 3,TIME,Group 6 - Field 0,TIME,Group 15 - Field 0,TIME,Group 15 - Field 1,TIME,Group 15 - Field 2,TIME,Group 41 - Field 2,TIME,Group 62 - Field 2,TIME,Group 69 - Field 0,TIME,Group 69 - Field 3,TIME,Group 73 - Field 1,TIME,Group 74 - Field 1,,,
,STAMP,Coolant Temperature (G62),STAMP,Vehicle Speed (actual),STAMP,Engine Speed (G28),STAMP,Engine Torque ,STAMP,Fuel Consumption,STAMP,Position (act.) EGR-Actuator,STAMP,Ambient Temperature,STAMP,Status 1 Regeneration,STAMP,Status 4 Regeneration,STAMP,Distance since Regeneration,STAMP,Temperature bef. Turbo Charger,,,
,, °C,, km/h,, /min,, Nm,, l/h,, %,, °C,,,,,, km,, °C,,,
,1.41,63.0,1.62,0.0,1.82,0,1.82,-150.0,1.82,0.00,2.03,0.0,2.24,45.9,2.44,10000000,2.44,00000001,2.64,20,1.21,66.0,,,
,3.05,63.0,3.26,0.0,3.46,756,3.46,90.0,3.46,1.68,3.67,0.0,3.88,45.9,4.08,00000000,4.08,00000001,4.30,20,2.85,66.0,,,
,4.69,63.0,4.90,0.0,5.11,882,5.11,24.0,5.11,0.42,5.31,7.3,5.52,45.0,5.72,00000000,5.72,00000001,5.93,20,4.49,78.0,,,
...
,1192.06,87.3,1192.26,28.0,1192.48,882,1192.48,27.0,1192.48,0.63,1192.67,20.8,1192.88,12.6,1193.08,00000000,1193.08,00000001,1193.29,40,1191.85,126.0,,,
,1193.70,87.3,1193.90,23.0,1194.11,903,1194.11,27.0,1194.11,0.63,1194.31,20.8,1194.52,12.6,1194.72,00000000,1194.72,00000001,1194.93,40,1193.49,132.0,,,
,1195.34,87.3,1195.54,19.0,1195.75,903,1195.75,0.63,1195.95,20.8,1196.16,12.6,1196.36,00000000,1196.36,00000001,1196.57,40,1195.13,138.0,,,
,1196.98,87.3,1197.18,8.0,1197.39,882,1197.39,27.0,1197.39,0.63,1197.59,20.3,1197.80,12.6,1198.00,00000000,1198.00,00000001,1198.21,40,1196.77,144.0,,,
,1198.62,87.3,1198.82,3.0,1199.03,903,1199.03,27.0,1199.03,0.63,1199.23,19.9,1199.45,12.6,1199.64,00000000,1199.64,00000001,1199.85,40,1198.41,144.0,,,
...
Click to expand...
The line starting with ,1195.34 is too short.

Also, VCDS Interface Config wanted to update not only the CB version, but also DS version (from 30000060 to 20000062), however, the DS update doesn't finish. It shows
Downloading DS update
Getting 24218k
Download Finished

Then, it shows "gs timeout" in the status bar. After some time, I aborted, disconnected the USB cable, reconnected it, retried, but same result. So I did the test with CB 0.4610, but without DS update.
 
Last edited:
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   #9  
alexnoe

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The DS update was successful when triggering it directly in VCDS Mobile in Infrastructure mode. However, now after logging in the following is displayed beneath the "About" button:
Code: 
T7 ����6���E�,�ħq�a!Z`���0U}�W��M�NyV����2صg-B��"�Q�^��t�3��i_6"����0�A��m�'��:��^�����@�\CR;����c6Cɶ�
Otherwise, it still seems to work.
 
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