Thank you Sterling.  I will take a look at the information you pointed me
to.

Cheers
James


On Sat, May 28, 2016 at 2:54 PM, Sterling Hughes <[email protected]>
wrote:

> Hi James,
>
> Callouts are perfect for this type of function.  I’d recommend
> multiplexing this within the task context you are running out of.
>  Essentially the logic works like:
>
> - Turn the LED on
> - Set a callout for 1 second to turn the LED back off
>
> If your task is waiting on an event queue, it will process that event in
> one second.
>
> More information on callouts and event queues can be found here:
>
> - Tutorial on using these:
> http://mynewt.apache.org/os/tutorials/event_queue/
> - Callouts: http://mynewt.apache.org/os/core_os/callout/callout/
> - Event Queues:
> http://mynewt.apache.org/os/core_os/event_queue/event_queue/
>
> You don’t need to add a specific task for the LED function, you can just
> multiplex it as an event.  If you want to create a separate task (so that
> it has higher priority, or doesn’t block/isn’t blocked by other functions),
> you can.
>
> Sterling
>
>
> On 28 May 2016, at 14:39, James Howarth wrote:
>
> Hi,
>>
>> I want to be able to flash an LED on for ~1 second when some condition
>> occurs.  I don't want this to be flashing all the time like the blinky
>> example.
>>
>> What's the right way to add a task that runs only once?  Or should I not
>> be
>> using a task at all for this?
>>
>> Cheers
>> James
>>
>

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