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If I leave the log active for some long time there are all sorts of pathological findings...this one is clearly cut off. I let it sit recording on my desk for a minute or two and then moved it around a bit right at the end... there are only about tw…
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Here is my code for retrieving the log data: Logging loggingModule = mwBoard.getModule(Logging.class); final Bmi160Accelerometer bmi160AccModule = mwBoard.getModule(Bmi160Accelerometer.class); // first stop the accel: loggingModu…
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Thanks for pointing out the part about the splitter. Code works fine without it. When I read from the sensor it does not return the oldest element first. Compare the following (the top is the same movement as read in the log...it takes about two…
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On a blog I see it written:It’s important to note that you cannot stream and log on the same route. Also, simultaneously streaming and logging data is not a recommended use case. However I was able to implement it and it is both streaming and log…
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Maybe I can use splitting and branching? I will try something like the following: bmi160AccModule.routeData().fromAxes() .split() .branch().log(LOG_KEY) .branch().stream(STREAM_KEY) .end().commit().onComplete(new CompletionHandle…
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So I wrote some code, and I can see that the return value of getLogCapacity is 12160. If I record three accel values (x,y,z) does this mean that I can store the last (approximately) 12160/3/1600=2.5s of entries at max sampling? Or am I being naive? …
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The problems seems to be that I was attempting to re-initialize the board once it had already been initialized.
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Yes it connects via the metawear app.
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Implemented. When I try to connect, I get 133 errors and I have to reset the BT adapter to see the device again. Any idea what the issue might be?
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Some notes. Just trying to get the device to connect. In the documentation it says setOutputDataRange but setOutputDataRate is correct. The class which I mentioned above is spelt not CompleteHandler but CompletionHandler.
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I was using the API version 1.8.0. From reading the updated documentation it seems that the callback code model was discarded entirely in later API calls in favor of some other implementaiton. There is an error in the documentation: final S…
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Hi Eric, the second device is a SM-T320. It can connect via the metawear app and for example read the firmware version and print battery life.
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Thanks Eric, I have added a 1s delay.
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To clarify, I currently stop the device in the following way:
mwService.unregisterReceiver(MetaWearBleService.getMetaWearBroadcastReceiver()); Accelerometer accelCtrllr =(Accelerometer) mwCtrllr.getModuleController(Module.ACCELEROMETER); acc…
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Hi Laura, To clarify: the first board was working fine at first. Even now, although I have kept the (new) MW device plugged in by cable almost all day, it is not broadcasting. Perhaps that is because I unplugged it briefly (<30s). How …
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Hi, I ordered some new boards and again this morning I had trouble connecting to one of them. I am recording accelerometer data with high frequency: I suspect there is some bug in the code keeping it running when I disconnect from the device and…
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Hello, I still cannot see the board. Any support? If you are shy you can PM me
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And now the device does not show up at all. I am powering via computer USB, which worked fine yesterday. Board only, no attachments. Have not added the batter back yet, HW switch or no. I cannot get the board to show up at all. Restarted BT, resta…
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As per the discussion on another page, I have disconnected the battery and connected the device by USB only. After restarting the phone, the device connects. One solution to this problem where the battery discharges completely is to add a hardwar…
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Hello, I have been reading about Triggers in the SDK. Is there any way to return the N ms of accelerometer data immediately preceding a Trigger?
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Hi Laura, Thanks for the quick response. I have one more question. Suppose I connect only one device. I would like to transmit 800Hz data whenever the total acceleration is above some threshhold. It is fine if the data is delayed by some amoun…