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    • J
      That would make sense. I tried to lin.read this ID but get the error that this is PRIVATE. Not sure if that is even possible :)
    • J
      Not sure if it matters, but when I turn off 12V power to the heater and then turn it back on, here is the reading on ID 23 over the first few seconds: orderID:34,responseID:23,CRC:255 254,255,255,255,105,32,8,0 orderID:34,responseID:23,CRC:255...
    • J
      Yes, I did this. I removed the lin2x from the lin response commands to test out classic checksum and it did not change the response. Could it possibly be the delay timing? I have been using either a delay (10) or delay (20) because of the LDF...
    • J
      Hi Paul. I wanted to keep you updated on my progress with the HVH50 from the Chrysler Pacifica. Now that I am getting more comfortable with the coding and trying to incorporate what I have learned about what the slave is looking for and some...
    • J
      Hi Paul. I am now convinced I got hear through dumb luck and wish to re-create it but with solid understanding and the ability to re-create it on command. I went back to the beginning and followed all of our steps again. This time, I used...
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      • PXL_20240323_221355235.jpg
    • J
      Thanks for that explanation Paul. I was considering whether the HVH100 LDF file could be used for our purposes, but I think you are saying that the HVH50 programming may be completely different, so without the HVH50 LDF file, I am stuck with...
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    • J
      Hi Paul. I saw your comment about the Github fix that is needed for the bit shifting. Thanks! Also, I am embarrassed to say that the heater has not been working again and I am having trouble recreating the results I got on 3-3. I wanted to...
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    • J
      I HAVE HOT WATER!!!!!! So I went to bed last night thinking about what I was missing and woke up with the thought that there might be info hidden in DATA[0] since DATA[1] was used to calculate temp and I recall Johan mentioning that the on...
    • J
      Thanks Paul. I changed up the code to print out each of the numbered data lines [1]-[8] and this is the printout: 61,0,0,61,192,0,100,1 61,0,0,60,192,0,100,0 61,0,0,60,192,0,100,1 61,0,0,60,192,0,100,0 61,0,0,60,192,0,100,1...
    • J
      Hi Paul. Unfortunately not so. I am only testing one of the heaters at the moment and will try the other two today, but on the one that was returning 0s at ID 39, here is what I know at the moment. 1. On the linbus.cpp file, I modified this...
    • J
      OK! So I reinstated the original Open Inverter code with some modifications and hooked everything up to water, 320V and 12V and ground. I had the controller run through all IDs on the lin.order command and used ID 39 for the lin.response...
    • J
      I am renaming the forum that actually has more information about this topic, so please continue at this post . . . https://forum.pjrc.com/index.php?threads/teensy-4-0-high-voltage-heater.74432/
    • J
      I was reviewing that as well. Of course, it is the earlier version of lin (lin 2.0), so not sure if that changes the lin2.x checksum or it would be same. Hopefully not, but I would assume the manual is accurate as a framework and the only...
    • J
      Sorry, this started as a thread about the serial plotter issue I was having on a high voltage heater. I renamed the post.
    • J
      I tested all 3 of my HVH heaters and on all three of them at 19200 baud, at ID 27 (HEX), it finally popped some response when sending a brute force write to all of the IDs using 1,85, 0, 8. FF down the line on all other response ids, but Heater...
    • J
      I converted back from Hex to Decimal to make it easier for me and when writing to all IDs but letting the response go through ID 39, I see that the data comes through as follows: 0 0 62 0 124 61 80 0...
    • J
      I am not sure about a response from 0x27 but will look. Thanks for the time and have a nice evening. I will play around some more, but glad there is some communication I suppose . . . Here is one more frame I caught.
      • 1708890006136.png
    • J
      I just pasted your code and ran it. I did comment out the lin.order command.
    • J
      Since we are taking any lin.response, isn't it possible that the 0x3C and 0x3D are giving us status messages?
    • J
      zooming out more I get the lines with data:
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    • J
      OK! Here is the frame:
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    • J
      got the slope falling and zoomed in. Turned Trigger knob to increase to 6V.
      • 1708888235210.png
    • J
      I have to turn horizontal to the left to get data to show up.
      • 1708887207803.png
    • J
      4.5V
      • 1708886968941.png
    • J
      I reset the scope. Check out these readings. Hopefully more of what you were looking for:
      • 1708885105436.png
      • 1708885119007.png
    • J
      scope is definitely on 19200.
      • 1708884655781.png
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