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Type: Posts; User: Robin Whittle

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    Thanks Paul for this information. As it is...

    Thanks Paul for this information. As it is pertinent to the Teensy 4.0 discussion I quoted what you wrote there:...
  2. Debug probe using JTAG rather than SWD?

    Just because I wrote a lot of words here should not be taken as an indication that I know what I am doing. A post today by Paul made me even more aware of my lack of knowledge in this field, so I...
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    I did not proceed any further testing this with a...

    I did not proceed any further testing this with a debug adaptor, due to other priorities. Now my interest is in connecting an SWD debugger to the Teensy...
  4. AndyCap, thanks very much for this. I looked at...

    AndyCap, thanks very much for this. I looked at the schematics of the MIMXRT1060-EVK and the same seems to be true. This is bit 13 of the LCD interface: GPIO_B0_13, solder ball D10.

    D10 is...
  5. Hi Pete, Most Teensy 4.0 users don't need SWD...

    Hi Pete,

    Most Teensy 4.0 users don't need SWD since they are happy to program it via Arduino. The lack of SWD debugging is only a problem for people such as me who want to use normal,...
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    Further to my message #81: Thanks very much...

    Further to my message #81: Thanks very much lowglow for this information and offer of purchasing the connectors for me.

    Short version: Samtec enables us to order any quantity of any connector,...
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    lowglow, can you suggest where I can order the...

    lowglow, can you suggest where I can order the Samtec connectors?

    For the low profile sockets, I found single row, 40 holes, SLW-140-01-T-S and 5 x 2 row (D) SLW-105-01-T-D at element14.

    I...
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    Thanks lowglow for the spreadsheets and pinout...

    Thanks lowglow for the spreadsheets and pinout charts, especially the ALT0 to ALT9, ADC & ACMP one. Thanks too for mentioning the part numbers for the Samtec low-profile socket strips and male...
  9. Plan D is like Plan B, but the RT1062 chip is...

    Plan D is like Plan B, but the RT1062 chip is removed and a new one, with no fuses blown, is reflowed in its place. Some info on the MAP-BGA package:

    ...
  10. Hi Paul, Thanks very much for your reply. ...

    Hi Paul,

    Thanks very much for your reply.

    As far as I know, SWD with a debug probe / adapter such as the LPC-Link2 is the only way to program and debug the RT1062 MCU with GCC and GDB.
    ...
  11. I explained my reasons for doing this in...

    I explained my reasons for doing this in https://forum.pjrc.com/threads/57340-Teensy-4-0-is-programmable-debuggable-with-Atmel-Studio-7 . In summary, I want to use GCC, GDB and so proper debugging...
  12. Here is Plan A approach: Modify the Teensy 4.0 so...

    Here is Plan A approach: Modify the Teensy 4.0 so we can plug an LPC-Link2 directly into it. This involves removing the MKL02 with a hot air gun and soldering to some of its pads (0.5mm spacing)...
  13. For another thread concerning why some people...

    For another thread concerning why some people want to use the full GCC, GDB, debug adaptor and SWD debug connection to the Teensy 4.0, see:
    ...
  14. Here is why I want to connect an SWD debugger to...

    Here is why I want to connect an SWD debugger to the Teensy 4.0. I want it for a future product in which the user would be able to install new firmware via the Teensy loader program on their PC, Mac...
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    Thanks Theremingenieur for your answers. By...

    Thanks Theremingenieur for your answers. By Googling I found message #519 which mentions that SAI1 works and that there was a problem with SAI2 - which message #6 indicates is solved. I will wait...
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    Teensy Loader; SAI audio signals; gdb debugging with SWD/JTAG

    Will the Teensy 4.0 support an end-user writing new firmware into it via USB and the Teensy Loader https://www.pjrc.com/teensy/loader.html or similar?

    I am interested in the Teensy 4.0 for audio...
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    Hi Andy, I haven't tested my arrangement since...

    Hi Andy,

    I haven't tested my arrangement since I have not had time to learn the NXP IDE, the debugger, this particular CPU etc. I will post a message here when I do.

    Removing the KL02Z might...
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    Actually, the soldering iron contact point is...

    Actually, the soldering iron contact point is 0.8mm or so above the PCB - just below where the strand bends to become vertical.

    This photo is from just before I applied the iron.

    13121
  19. Here is how I soldered to pad 15 of the KL02Z. ...

    Here is how I soldered to pad 15 of the KL02Z. Grounding this pin should reset the KL02Z and so free the debug pins so we can use them. The heat to complete the joint was conducted through the...
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    While I think that conductive epoxy is probably a...

    While I think that conductive epoxy is probably a good way of connecting to pin 15 of the KL02Z, here is how I soldered to it. This requires a stereo zoom microscope, but does not place extreme...
  21. Link to Teensy 3.6 glossy cheatsheet PDF from its page on the website

    My Teensy 3.6 arrived from Mouser this morning, with an attractive and informative glossy double-sided card depicting the major functions of all its through-hole and SMT pads. I hadn't seen this...
  22. Paul, thanks to you and Robin for the Teensies. ...

    Paul, thanks to you and Robin for the Teensies.

    My only experience with them is the Teensy++ 2.0 in the Quicksilver 303 retrofit kits [1]. The user-friendly firmware upgrade process, using USB...
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    Hi MattMatic and BBenj, Thanks for your work...

    Hi MattMatic and BBenj,

    Thanks for your work on connecting a debug probe to the Teensy 3.6. I started a new thread:
    ...
  24. Teensy 3.6 with $xx NXP LPC-Link3 debug probe & $0 MCUXpresso IDE with GCC, GDB etc.

    I want to use GCC, GDB, C/C++ etc. with the Teensy 3.6. I think I have no need to use or learn about Arduino.

    The first step is to modify the Teensy 3.6 (the 3.5 is the same) to expose the SDC...
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