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Type: Posts; User: Darcy

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  1. Replies
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    I use the hardware to go into listen only mode on...

    I use the hardware to go into listen only mode on a SN65HVD230 (or poss is the VD231 variant) amd just pull a pin low in software.
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    I like your idea. I have often wished for display...

    I like your idea. I have often wished for display breakout boards for 3.2 and 3.6 to tidy-up my breadboard prototyping. If you can make it work well stand-alone but also still bread-board compatible...
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    Not sure what you have tried in software or what...

    Not sure what you have tried in software or what hardware you have, but I have had good success speeding up a 2.4" Monochrome Oled 128x64 on SSD1309:
    1) I2C clock speed from 400khz to 2000khz
    2)...
  4. Nice project. My first 'hand-waving' would be...

    Nice project.

    My first 'hand-waving' would be to try a stronger pull-up, I think 2k4 is recommended for 3.3v Teensy, 4k7 is for 5v.

    I have had 5 I2C devices wired in serial with 400mm to the...
  5. Yes and no. As far as I am aware (I'm just a...

    Yes and no.
    As far as I am aware (I'm just a novice though) You cannot have MTP and Serial. Get MTP in your code and working, then comment out / compile with serial for your continued development...
  6. You need to change USB type to MTP (EXPERIMENTAL)...

    You need to change USB type to MTP (EXPERIMENTAL)
    in Teensyduino, and add a few lines of code at the beginning of your sketch.
    If you search PJRC for MTP RESPONDER you will find details.
    There...
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    No, CAN H and L 'can' see much more than 2.5v and...

    No, CAN H and L 'can' see much more than 2.5v and both positive and negative, the transeiver is there partly to protect the teensy from these high voltages. CAN TX and CAN RX lines are 0 to 3.3v and...
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    Ok I should have researched before posting my...

    Ok I should have researched before posting my last question.

    It appears that reprogram initialisation can be done in software:

    _reboot_Teensyduino_();

    I am guessing: if the security byte is...
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    Very interested in all the above, thanks for the...

    Very interested in all the above, thanks for the info.
    Am I right in thinking that connecting the program signal (from pad on right hand side of board) to a spare pin and supplying it with 3.3v via...
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    Imminent Kickstarter - how to subscribe?

    I almost missed the 3.5/3.6 kickStarter and got on board with an hour to go.
    It looks like T4 is quite close now. I know that it really is of no consequence as the availability and price will...
  11. Tested and same result here. Workaround is drag...

    Tested and same result here. Workaround is drag config file from SD to windows desktop, file edit and save to desktop, drag file to SD and the modifications are there OK.
  12. Sorry I have not tried putty or other OS's other...

    Sorry I have not tried putty or other OS's other than Win7. I am interested in anything you discover though so please post any success or limitations you find.
  13. No - this issue with modifications to SD files by...

    No - this issue with modifications to SD files by the Teensy not being seen by the PC I think is normal behaviour and is not solved by disabling re-enabling the interupt.
    (This is OK for my...
  14. I have only done limited testing so far, but from...

    I have only done limited testing so far, but from my experience, yes you can do all that you want to do.
    If you make sure all of your SD card access starts with an interupt disable and finishes with...
  15. Yes, but the code is still at experimental level....

    Yes, but the code is still at experimental level.

    Search this forum for MTP RESPONDER.

    I found I had to disable the MTP interupt whenever accessing the SD card for logging or my logs would stop...
  16. Ok I have made some progress just by throwing...

    Ok I have made some progress just by throwing lines in randomly as I really do not know how SDfat or MTP work...

    The addition of :
    File root;
    setup { root = SD.open("/"); }
    loop { ...
  17. MTP Responder in real SDfat environment problem

    I tested MTP and it works great stand-alone, but now I have it in my project it appears to interfere with the current working directory or maybe the volume working directory.
    My File structure is...
  18. Have only glanced at your board breifly and I'm a...

    Have only glanced at your board breifly and I'm a novice with no real world experience, but it looks like you have a lot of large caps on your board and bare wires running to the underside pads of...
  19. I have seen teensy 3.6 with 3 canbus + single...

    I have seen teensy 3.6 with 3 canbus + single wire comms + Datalogging. CAN0 and CAN1 were using the FLEXCAN controller incorporated in the teensy, CAN2 was handled using MCP2517FD.
    You should have...
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    [QUOTE=defragster;193211] { "shell_cmd":...

    [QUOTE=defragster;193211]


    {
    "shell_cmd": ".\\Compile.cmd 1",
    "file_regex": "^(..[^:]*):([0-9]+):?([0-9]+)?:? (.*)$",
    "working_dir": "${file_path}",
    "selector": "source.c,...
  21. 'in a dangerous and time critical...

    'in a dangerous and time critical application/environment' probably sounds too professional, and I agree would suggest a more bespoke solution would be more appropriate.

    However, I class myself...
  22. Can a Computer connect to the teensy 36's 2nd...

    Can a Computer connect to the teensy 36's 2nd USB? I thought the second port was only good for MIDI or Mice or Keyboards?

    I thought the maximum data transfer with a PC was ~12MB/s and this...
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    So it appears Arduino always has the 'Main' .ino...

    So it appears Arduino always has the 'Main' .ino file as the first tab, no matter which .ino you actually open. All other files in that folder are automatically opened as tabs. The compile is...
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    I found my problem! I was having an issue where...

    I found my problem! I was having an issue where the Arduino IDE would build, but Sublime would fail with missing declarations of variables.
    I have a dozen sketches in a folder called MyProject. The...
  25. Thread: Teensy Qt

    by Darcy
    Replies
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    127,033

    Thanks for the support, I can't find my problem...

    Thanks for the support, I can't find my problem yet. The examples are working fine, but I had a very cobbled SD/Sdfat/SdFatSDIO code and that seems to be where my problem is so I just need to break...
  26. Thread: Teensy Qt

    by Darcy
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    Many thanks for the Batch script. I'm feel I'm...

    Many thanks for the Batch script. I'm feel I'm close to my dream of using Sublime Text3 in place of the Arduino IDE.
    The Sublime Minimap and Find functions I see as a real plus for projects that...
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    A really difficult compromise, I don't envy your...

    A really difficult compromise, I don't envy your task Paul.
    I use both Can ports (and think Teensy is the only board available with Dual native controllers), but understand that something like...
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    The T36 is approximately 10mm too long for my...

    The T36 is approximately 10mm too long for my next project that needs dual Can Bus but where the SD is not essential.
    I would love to see something like this that was open source (assuming PJRC can...
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    I really like what you have done - I have...

    I really like what you have done - I have struggled to package T3.6 and to a lesser extent T3.2 and your alternative potentially gives options that are not available any other way.

    For me though,...
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    But the OP does say 'The circuit is completly...

    But the OP does say 'The circuit is completly seperated from the cars electronics', which would infer that it is not charged by the altenator, in which case I guess the supply would be pretty clean....
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    There is no 'Best' way. Cheap ways (< 2),...

    There is no 'Best' way. Cheap ways (< 2), Powerful ways (>500mA), Reliable ways (overvoltage protection), Robust ways (polarity protection). Google has them all, and then some.

    There are cheap...
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    Had a quick glance at Speeduino Project. Looks...

    Had a quick glance at Speeduino Project.
    Looks like you have Canbus already implemented.
    I would use the teensy 3.6, (ignoring 5v tolerance issues that might need to be addressed) as it has dual...
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    Definately not Ugly. Standard practice in...

    Definately not Ugly. Standard practice in Motorsport and Automotive industry - one controller for engine, one for gearbox, one for dash/instruments, one for logging.

    All core ECU functions are...
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    I have a small amount of experience from my...

    I have a small amount of experience from my current project, like you I needed to read distributed I2C and created a RS485 Arduino network, then converted to a Teensy Can Bus network.

    You have...
  35. Thread: Circular_Buffer

    by Darcy
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    I was just running the examples to try to get a...

    I was just running the examples to try to get a little understanding of what was going on.
    I'm not sure what difference is between a ring buffer and a circular ring buffer? If you meant Ring or...
  36. Thread: Circular_Buffer

    by Darcy
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    Many thanks for your great work. I'm trying to...

    Many thanks for your great work.
    I'm trying to use it to aid re-sync of Can Bus data with a remote sensor signal that has huge latency. I'm slowly getting there, maybe.

    The circular buffer...
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    Thanks - I will certainly consider the Sonalert. ...

    Thanks - I will certainly consider the Sonalert.
    Loss of variable pitch is not a deal-breaker, but it might be a little too tall a package. I have 3 PCBs stacked: main board + teensy + display and...
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    I have the same question as the OP (except I'm...

    I have the same question as the OP (except I'm using T3.6) The circuit above will be difficult to fit on my PCB.
    Is it really bad to try and drive the piezo directly?

    My application is for a...
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    Not sure RFID is going to work, the Go-kart is...

    Not sure RFID is going to work, the Go-kart is likely to be too far from the pit-wall and adding a loop under the track surface is not an option, unless you own the track.
    I don't know what...
  40. Oh yes please Fishy1, would love one!. Let me...

    Oh yes please Fishy1, would love one!.
    Let me know how to reimburse you.
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    Thanks for the info, very interesting - I am 95%...

    Thanks for the info, very interesting - I am 95% confident that I pressed the button for less than 10 seconds.
    In hindsight, I had just been blindly hacking the boards.txt and usb_desc.h (adding...
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    Hard reset - does it wipe the EEProm?

    I had to hard reset (hold button when inserting USB) my T36. (was connecting to a new PC to test a newer arduino/teensyduino build and it fell over the first time).
    All working fine now, but the...
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    I have a question regarding usage of the Rx...

    I have a question regarding usage of the Rx mailboxes, and how they can be configured to best manage incoming messages.
    I have filters and masks set to receive important messages in particular...
  44. Here is my 2p: I have not looked at Eagle, but...

    Here is my 2p:
    I have not looked at Eagle, but had read that its acquisition by AutoDesk was likely to have some money/development benefits but also some License/cost/freeware implications. The...
  45. Many thanks for the advice, 15mins after...

    Many thanks for the advice, 15mins after downloading TyCommander I was up running both boards and bug-hunting at twice my previous speed.
    I connected one at a time, renamed them to T32_001 and...
  46. I'm having this same? problem. "not compiled for...

    I'm having this same? problem. "not compiled for this board" - but yes it is!
    Win7 T3.2 and T3.6. I just cannot work with both at the same time. I have to unplug both, restart Arduino IDE and work...
  47. I am no expert, but my experience of...

    I am no expert, but my experience of (Chinese-sourced) heat-shrink while using I2C was that human touch would occasionally corrupt data on the bus, causing drop-out, lock-up or displays to flip. I...
  48. Theremingenieur I believe is right, but I would...

    Theremingenieur I believe is right, but I would put a 12 tooth trigger on the crank and a single tooth cam sensor for phase.
    Cam sensor initiates, then count 3 teeth, fire1, count five teeth, fire2,...
  49. You should not put the teensy in the distributor...

    You should not put the teensy in the distributor in my opinion - electrical noise will be the least of your worries! The harmonics from crank and camshaft will likely remove the components from the...
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    The advice above comes from the most experienced...

    The advice above comes from the most experienced + knowledgable + helpful in the Teensy world, so I am intrigued as to why Can Bus has not been mentioned?
    I've moved my work from 6x arduinos with...
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