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      The more I learn about these large language models (LLM) used in "AI" the more I think they are huge sink holes for other peoples intellectual property that get spit out the backend in a somewhat coherent form but not necessarily anything useful...
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      Hi all, another update, things moving slowly but progress has been made. I have the break-marking sequence mostly working and the receiver code able to get the data back from the "virtual" sensor which is a Teensy taking the place of a SDI12...
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      I found an issue with inverted serial and half duplex mode where the current serial setup configures the pin for pull-up which causes an issue when you change the TX pin to RX by TXDIR bit in LPUART ctrl register. Using the sketch below and...
      • NewFile2.png
      • NewFile1.png
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      So I finally got some time to work on this and will have an update soon.
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      I just got my Teensy's ordered! Was looking at the ref manual and see that at least some of the lp-uarts have the "single-wire mode" that we need for SDI12 communications, so that is a good start. I haven't really dug into the T4's serial code in...
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