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    Also need to figure out how to induce a DTC so...

    Also need to figure out how to induce a DTC so that I can fully test the capability to query the service 0x02 DTC freeze frame data . . .

    Mark J Culross
    KD5RXT

    P.S. will also implement the...
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    [ Had to create two separate posts. When I...

    [ Had to create two separate posts. When I attempted to include both the sketch code & the example capture, it exceeded the maximum allowable size for a single post !! ]

    Yet to be implemented:
    -...
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    Latest additions: - reassigned menu selection...

    Latest additions:

    - reassigned menu selection "F": ability to request service 0x02 freeze frame data (queries the DTC count, then if != 0, reports the DTC for each freeze frame, followed by the...
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    You're welcome. Glad I could help. Good luck...

    You're welcome. Glad I could help.

    Good luck & have fun !! Feel free to ask any other questions that may come up. There are lots of members on here that would be glad to help.

    Mark J Culross...
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    Try "myPID.SetOutputLimits(0, 1000)" Mark J...

    Try "myPID.SetOutputLimits(0, 1000)"

    Mark J Culross
    KD5RXT
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    The ...

    The <release notes> for the formal TD 1.57 list the following: "Add Serial+MTP USB Type". Don't know specifically when / which beta version of TD 1.57bX included this capability, so best to get the...
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    TD 1.57 or later is required for "Serial + MTP...

    TD 1.57 or later is required for "Serial + MTP Disk".

    Mark J Culross
    KD5RXT
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    In case anyone is either following along with...

    In case anyone is either following along with this thread, or stumbles across it sometime in the future, I'm posting another update to my TeensyCANmonitor utility sketch. The version that I last...
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    TeensyCANmonitor is working GREAT !!

    @Paul:

    I have completed the decoding of all CAN responses (using the wiki information that you pointed me to earler) in the latest version of my TeensyCANmonitor utility using a T4.0 + SN65HVD230...
  10. Connecting T4.x thru USB-C hub causes extra serial reset, missing initial serial data

    "Programming T4.x thru USB-C hub causes extra serial reset, missing initial serial data" would be a better title !!

    I recently bought a new ASUS laptop that has only 2 x USB-A ports on it, but it...
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    DOH !! Now that I'm decoding the bit specifics in...

    DOH !! Now that I'm decoding the bit specifics in some of the messages, I notice the PID 0x01 Service 0x05 is not supported in my 2020 Honda Civic. That would definitely explain why I'm not getting...
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    Successfully querying PID 0x01 & getting responses !!

    @PaulS:

    Here's the latest testing results:


    =============================================
    Teensy CAN bus monitor utility
    version 1.0 dated 09/16/2022 @1530
    designed & written by...
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    Paul: I am certainly enjoying this !! My...

    Paul:

    I am certainly enjoying this !! My major objectives as I entered this adventure were as follows:

    1) learn about the CAN bus, using my 2020 Honda Civic as the target (every day & every...
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    Here's the latest version of my TeensyCANmonitor...

    Here's the latest version of my TeensyCANmonitor utility sketch:


    //
    // Teensy 4.x CAN bus monitor utility - version 1.0 dated 20220914-1415
    //
    // - designed & written by Mark J Culross...
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    @PaulS: Progress continues to be made: I have...

    @PaulS:

    Progress continues to be made: I have now successfully sent both the 11-bit wakeup command (0x7DF) & the extended 29-bit wakeup command (0x18DB33F1).

    The expected extended 29-bit...
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    Paul: I have updated my TeensyCANmonitor...

    Paul:

    I have updated my TeensyCANmonitor utility to support generating the 5 baud init sequence from the command menu.

    I don't have a permanent workbench, so digging around for my widely...
  17. What if you were to check for 'c' 'a' 'l' in the...

    What if you were to check for 'c' 'a' 'l' in the first three EEPROM locations. If you don't find it (which is almost certainly guaranteed on a brand new T4.1), then perform your calibration routine,...
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    Paul: The data that I included was everything...

    Paul:

    The data that I included was everything which was captured when the ELM327 activated the CAN bus. My particular ELM327 unit makes a bluetooth connection with my phone. Prior to my phone &...
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    Paul: I added the ability to send that 0x7e0...

    Paul:

    I added the ability to send that 0x7e0 02 10 03 00 00 00 00 00 of length 08 diagnostic session packet, but that alone did not activate the CAN bus in my 2020 Honda Civic. Next, I'll try the...
  20. For my TeensyMIDIPolySynth (now two separate...

    For my TeensyMIDIPolySynth (now two separate modules connected via 500kbps shared Serial4: Teensy-MIDI-RA8875-PolySynth-Audio running on a T4.0 as "Serial", & Teensy-MIDI-RA8875-PolySynth-Display...
  21. I may not be completely understanding what you're...

    I may not be completely understanding what you're describing (my experience with the audio library is strictly as used in my TeensyMIDIPolySynth project, discussed elsewhere here on the forum), but...
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    Paul: Thanks for finding that golden nugget of...

    Paul:

    Thanks for finding that golden nugget of info !! It will be after the Labor Day holiday before I can get back home to test this . . . we're camping for the week (my annual extended...
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    This may help :...

    This may help : https://github.com/TeensyUser/doc/wiki/VisualTeensy

    Mark J Culross
    KD5RXT
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    Paul: I have successfully demonstrated that my...

    Paul:

    I have successfully demonstrated that my T4.0 CAN setup reads data from pins 6/14, but only by connecting in parallel with an OBD Diagnostic Interface. I haven't figured out what magic the...
  25. For future reference, the limits imposed on...

    For future reference, the limits imposed on attachments (as reported by the forum) can be found in <this> link.

    Mark J Culross
    KD5RXT
  26. Sounds like you need to temporarily forget all of...

    Sounds like you need to temporarily forget all of your other platforms, ignore all of your past experiences (hard to do), & just dive into the capabilities provided by & for the Teensy. Paul &...
  27. @b0lero: We don't actually use the entire...

    @b0lero:

    We don't actually use the entire original pack. Rather, we dismantle the pack (if you acquire these BA5590/U packs, be VERY careful so that you don't accidentally active the "shorting...
  28. @fralbo: OK, thanks for your recent posts....

    @fralbo:

    OK, thanks for your recent posts. Unfortunately, I don't have any experience with the ICM_20948, so I can't offer any specific recommendations. In general, if I were attacking the...
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    Here is my CAN test setup: 29185 29186 ...

    Here is my CAN test setup:

    29185

    29186

    The two purple wires are flying leads connected to CAN-H/CAN-L on the transceiver, which allows me to connect the transceiver to any of the OBDII pins....
  30. @fralbo: Welcome to the forum. There are lots...

    @fralbo:

    Welcome to the forum. There are lots of people here who truly want to help if/when/where we can.

    You didn't show your complete source code (see Forum Rule at the top of every forum...
  31. As a follow-up for the benefit of anyone reading...

    As a follow-up for the benefit of anyone reading this thread sometime in the future, I did successfully place an order for the BA5590/U battery pack from the <link> given above & have successfully...
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    Paul: Thanks !! I should have mentioned that...

    Paul:

    Thanks !! I should have mentioned that the car is not showing any problems . . . I built the T4.0 CAN setup just to tinker around & become more familiar with CAN. I also built my T4.0 CAN...
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    Sandra / PaulS: Sandra, not intending to...

    Sandra / PaulS:

    Sandra, not intending to hijack your thread, but I have recently started trying to read CAN bus data from the OBDII connector on my 2020 Honda Civic. So far, I have been unable to...
  34. @b0lero: Although we haven't executed a...

    @b0lero:

    Although we haven't executed a balloon launch for several years, the North Texas Balloon Project (NTBP) team previously launched at least one amateur radio experimental balloon per year. ...
  35. @rsoric: I don't know if what you are...

    @rsoric:

    I don't know if what you are experiencing originates from the same underlying cause, but in the latest version of my TeensyMIDIPolySynth (T4.1), I am also using a touch display using the...
  36. From the other post with the details of...

    From the other post with the details of successfully programming a Teensy from within an Ubuntu VM running under a Windows Host:

    7) Note that following the successful execution of the 15-second...
  37. @clinker8 / @PaulStoffregen: Please see

    @clinker8 / @PaulStoffregen:

    Please see <this> thread where I describe successfully programming a Teensy 4.1 from within an Ubuntu VM running under a Windows host. I haven't tried the Ubuntu VM...
  38. Programming a Teensy 4.1 from within a VM successfully

    Following discussion in another thread (<here>) regarding a lack of success running Arduino + TeensyLoader (including the ability to program the Teensy successfully) from within a virtual machine...
  39. As yet another data point, eliminating all of the...

    As yet another data point, eliminating all of the middle-man interference introduced by your VM environment, what about booting from a "live CD/DVD" & trying to program your Teensy from that, as the...
  40. I don't have any personal experience with the...

    I don't have any personal experience with the T3.5 (I've used T4.x for all of my projects). What optimization level are you building at ?? Does changing the optimization level cause any change in...
  41. Glad I could provide some help. Now, from what...

    Glad I could provide some help.

    Now, from what you've described earlier, as long as you haven't tried to program/load your Teensy, you shouldn't have to worry about racing time against any...
  42. [ Knowledge from the Windows environment . . ....

    [ Knowledge from the Windows environment . . . hopefully this info is the same for linux ]

    Make sure that TeensyLoader is running. Enable "Verbose Info" under the "Help" menu of the TeensyLoader....
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    I would not think that the error report is in any...

    I would not think that the error report is in any way connected to your buzzing, but it is certainly an issue that needs to be cleaned up by re-installing TeensyDuino.

    Mark J Culross
    KD5RXT
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    Guillaume: I am likewise interested in the...

    Guillaume:

    I am likewise interested in the newest Teensy 4.1 based PCB, so I contacted Edwin. Here is his kind reply (I removed some specific comments on current stock, etc. that may not...
  45. DOH !! Didn't even look at the date of the...

    DOH !! Didn't even look at the date of the original post . . . as you can probably already tell, I just responded to the "new post" notification !! I guess my suggestion can just lay there in wait...
  46. The map() function was improved in TD1.37 to...

    The map() function was improved in TD1.37 to allow use with float & double types. With the release of TD1.54 (see release notes <here>, & search for "map"), the map() function was improved again as...
  47. [ Sorry for the double-post . . . we're motoring...

    [ Sorry for the double-post . . . we're motoring down the highway, so internet (hotspot thru my phone) is coming & going ( & yes, my wife is driving at the moment, not me :p ) ]

    Mark J Culross...
  48. A couple of quick thoughts on one possibility: ...

    A couple of quick thoughts on one possibility:

    Run two signals (pinX & pinY, along with a common ground shared) from the Teensy to the relay location. Set pinX HIGH & pinY LOW for "ON". Set pinX...
  49. Another guess to try: map(adc_value, 718.0,...

    Another guess to try:


    map(adc_value, 718.0, 301.0, 0.0, 80.0)

    Mark J Culross
    KD5RXT
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    According to the MKL26Z64 datasheet...

    According to the MKL26Z64 datasheet, in Paragraph 3.6.11, Note 3, Table 25 states: "For packages without dedicated VREFH and VREFL pins, VREFH is internally tied to VDDA, and VREFL is internally tied...
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