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Apply the UARTE workaround for nrf91 and nrf53 #319

Merged
merged 8 commits into from
May 14, 2021
Merged

Apply the UARTE workaround for nrf91 and nrf53 #319

merged 8 commits into from
May 14, 2021

Commits on May 14, 2021

  1. Don't check for txstopped when writing to UART. 

    It seems like endtx and txstopped race, and if we see txstopped first
we return an error, causing writeln!(...).unwrap() to panic.

This changes makes the UART work reliably on the nRF9160-PDK.
    Jonathan Pallant (42 Technology) committed May 14, 2021
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  2. Apply the UARTE workaround. 

    See https://github.com/NordicSemiconductor/nrfx/blob/master/drivers/src/nrfx_uarte.c#L197
    Jonathan Pallant (42 Technology) committed May 14, 2021
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  3. Disable UART if we find it already enabled.

    Jonathan Pallant (42 Technology) committed May 14, 2021
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  4. Fix warnings on non-anomalous platforms.

    Jonathan Pallant (42 Technology) committed May 14, 2021
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  5. We no longer use this event so don't need to reset it.

    Jonathan Pallant (42 Technology) committed May 14, 2021
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  6. Stop the right task in the anomaly workaround.

    Jonathan Pallant (42 Technology) committed May 14, 2021
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  7. Stop TX before we wait for TX to stop.

    Jonathan Pallant (42 Technology) committed May 14, 2021
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  8. Move the event resets closer to where we check the events.

    Jonathan Pallant (42 Technology) committed May 14, 2021
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