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Use of TimerMillis seems to interfere with LoRaWAN join #33
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There should not be any conention.
Mind sharing the sketch here, so that I can take a peek ?
…On Wed, Aug 22, 2018 at 2:46 PM Eric Poulsen ***@***.***> wrote:
I have a TimerMillis that I'm using to blink LEDs -- it triggers every
100ms. If I do *not* activate this timer, the the join seems to occur
immediately. When it's in use, join can take several minutes.
Having the timer > 1000 ms helps considerably.
Is there some sort of timer contention on the STM32L0?
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It's ... very large. I'll try to make a minimum sketch that will re-create. |
Oki. What board is that on ?
…On Wed, Aug 22, 2018, 5:10 PM Eric Poulsen ***@***.***> wrote:
It's ... very large. I'll try to make a minimum sketch that will re-create.
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It's a custom board running the CMWX1ZZABZ-078. Variant is B-L072Z-LRWAN1. Actual MCU is STM32L082. Note that I have not nailed it down to any root cause. I do notice that when I disable the LED timer, then it often connects immediately after the first (sometimes second) join request. Before, the wait was 5-6 join requests. The physical gateway is 5 feet away, and we're using TTN. |
Is there a quick repro I could take a peek at ? |
Yes, sorry, I've been out-of-town since Wednesday. |
I'm going to close this for now. I think TTN is just slow at responding sometimes. |
I have a TimerMillis that I'm using to blink LEDs -- it triggers every 100ms. If I do not activate this timer, the the join seems to occur immediately. When it's in use, join can take several minutes.
Having the timer > 1000 ms helps considerably.
Is there some sort of timer contention on the STM32L0?
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