Sensor questions

[Ben Rubinstein]

Hi Graham,

By no means a complete answer to your question, but if you have a bluetooth 
sensor to work with, take a look at mergBLE. I don't think I'd be confident 
enough to code with it for an abstract case, but if you have an actual unit to 
test I would expect you should be able to interface to it.

Ben

On 13/11/2020 13:26, Graham Samuel via use-livecode wrote:
> A couple of more general questions about mobile sensor functions in LC.
> 
> 1. The dictionary seems to offer messages only from those sensors which are associated with native sensors in the device such as an accelerometer. Suppose I have an external sensor, for example a heart monitor connected via Bluetooth - how do I access that?
> 
> 2. If a script processes sensor input by responding to messages from the sensor as they come in (as for example it does with locationChanged messages associated with GPS), what happens when the processing time for the sensor message exceeds the time between sensor inputs? Is it necessary for the script to detect that an instance of the message is already running, or does LC itself inhibit this recursion-like behaviour? Up to now I have kind of dealt with this by limiting the processing of locationChanged messages via a timer, but this is not a general solution. Can anyone explain what happens - I think the answer lies in the message queue, which I don’t fully understand.
> 
> Graham
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