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Type: Posts; User: r5gordini

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  1. I should add that neither startup_early_hook, nor...

    I should add that neither startup_early_hook, nor startup_late_hook worked for me. Using startup_early_hook, there isn't enough of the Teensy code to enable my timer driven ISR to work. Using...
  2. Hi All, I've taken another look at this - now...

    Hi All,

    I've taken another look at this - now I understand why startup_early_hook was hanging - it's because (as rightly stated by @UhClem) that the default start_early_hook disables the chip's...
  3. Thanks! Good to know some of these details - will...

    Thanks! Good to know some of these details - will definitely help in the case of troubleshooting. I'm just testing SPI and the watchdog together, with watchdog run by IntervalTimer. The two seem to...
  4. Actually - would a timer interrupt interfere with...

    Actually - would a timer interrupt interfere with SPI comms? Or is it a lower priority? If the timer interrupt occurs, will it wait until other ISR's are serviced? Hmm.... I don't know!

    So can I...
  5. Thanks guys! Really interesting stuff. I will...

    Thanks guys! Really interesting stuff. I will take another look at startup_early_hook... It seems the examples of using this functionality don't mention the need to disable the watchdog! This must be...
  6. Weeellll I figured it out. In the end, after lots...

    Weeellll I figured it out. In the end, after lots and lots of messing around!

    I removed the delays in pins_teensy.c around usb_init() - if anyone else has these issues, I would recommend doing...
  7. Teensy 3.2 startup_early_hook appears to hang?

    Hi All,

    I've designed and built my own custom Teensy 3.2 and all appears to be working fine with it - been running many different sketches on it over the last few weeks.

    However, I now have a...
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