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mgeorgi

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mgeorgi
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  • Did you already upload the r0.2 schematics? We could only find the r0.2 for MetaMotionC so far, but not for MetaMotionR. If the datasheet specs did not change between MetaMotionR r0.2 and r0.1, does that include the "Module to SoC Pin Mappings"? …
    in Datasheet MetaMotionR 0.2 Comment by mgeorgi May 2020
  • Thanks, I'll have a look into that!
    in Timer creation sporadically fails Comment by mgeorgi March 2019
  • Understood. But is there any way to find out after connecting a sensor whether any macros were already setup on that specific device? I am asking because we want to ensure backwards compatibility of our software to sensors we did not yet setup…
    in Timer creation sporadically fails Comment by mgeorgi March 2019
  • @Eric said: You can manipulate the board however you want if you are using the same SDK. I did replicate the macro setup using the C++ SDK to try and change the dataprocessors I created. The code for setting up the macro is the followi…
    in Timer creation sporadically fails Comment by mgeorgi March 2019
  • Alright, thanks @Eric said: The only cross device usage we support is downloading logged data. You could do it if the applications are using the same SDK but not in the general case. Can you tell me more about that? Would it be pos…
    in Timer creation sporadically fails Comment by mgeorgi March 2019
  • Thank you for clearing up the confusion, I assumed that the reset in MetaBase would only issue a simple reset. When not using MetaBase reset but only a "simple" reset, this actually works and the macro survives. One follow-up question though: …
    in Timer creation sporadically fails Comment by mgeorgi March 2019
  • I just tried this. I wrote a macro that turns on the LED on boot (much like the example from the android docs) and it worked after putting the device to sleep (I used metabase, so I assume it uses enablePowersave) and rebooting with the button. …
    in Timer creation sporadically fails Comment by mgeorgi March 2019
  • Sorry to bump this, but do you have any more feedback regarding the topic? Especially regarding: * is it possible to create macros that survive a reset? * if not, is it possible to reliably delete all timers and processors on board in case …
    in Timer creation sporadically fails Comment by mgeorgi March 2019
  • The reset is not issued inside the macro. Our current setup is the following: * the android code I posted above is from a small setup app we use to configure and setup our sensors (names, firmware updates, etc.), this is where we would like …
    in Timer creation sporadically fails Comment by mgeorgi February 2019
  • Hi, I have the following code in an Android App that tries to write previously stored calibration data and a (simple, not yet really functional) reaction to a power status change as a macro public void writeCalibrationData() { final Macro …
    in Timer creation sporadically fails Comment by mgeorgi February 2019
  • Hi Eric, I setup a process to program charge events (as well as writing calibration data for sensor fusion) using the macro module as you advised. This is working, in that I receive a valid macro ID and it seems these macros also survive a dis…
    in Timer creation sporadically fails Comment by mgeorgi February 2019
  • Hi Eric, thank you for your answer. I tried to introduce delays during the setup process, but that did actually not solve the problem. But I actually found the culprit: In my original snippet I omitted some lines I thought were not relevant…
    in Always receiving TIMEOUT on disconnect event recording Comment by mgeorgi February 2019
  • Hi, sorry to reopen this stale thread, but I have question more or less regarding the topics already discussed here. Currently we chose to follow your suggestion and to just reset the board on disconnect to remove all timers and processors sho…
    in Timer creation sporadically fails Comment by mgeorgi February 2019
  • Hi Eric, I attached a pcap and a pcapng (both have the same data, I just wasn't sure which format is better for you) from Wireshark. Is this okay as a activity log? Or do you need something else? During the recording I searched for sensors and c…
    in Always receiving TIMEOUT on disconnect event recording Comment by mgeorgi February 2019
  • I am also wondering about the effect of the mbl_mw_metawearboard_tear_down I am doing directly after connecting to the board. In the API it is described as Removes all data processors and timers from the MetaWear board. But it seems not t…
    in Timer creation sporadically fails Comment by mgeorgi August 2018
  • I think I found the problem. I am setting up a disconnect handler on board, that disables the modules I activate, as well as trying to remove any timers and processors. Currently the following code is executed: disconnect_promise = std::pro…
    in Timer creation sporadically fails Comment by mgeorgi August 2018
  • HI, sorry for not replying sooner. I read out the IDs I receive before getting a nullptr and got the following: 14.08.2018 12:46:55.349 [debug] MetaWearDevice Setting up modules 14.08.2018 12:46:55.349 [debug] MetaWearDevice Enabling battery 1…
    in Timer creation sporadically fails Comment by mgeorgi August 2018
  • I forgot to mention that I remove the created timers and processors before disconnecting, e.g. to remove the mentioned battery timer I use: if (m_battery_timer != nullptr) { m_logger.debug("removing battery timer"); auto timer = mbl_mw_ti…
    in Timer creation sporadically fails Comment by mgeorgi August 2018
  • Hi, I can also recommend to have a look at https://github.com/edrosten/libblepp We were able to implement BLE communication with MetaMotionR using this library and found it easier to use than gattlib.
    in Bluetooth LE Library (Linux) Comment by mgeorgi April 2018
  • Alright, I'll try that. Thanks!
    in High CPU load on repeated battery read Comment by mgeorgi August 2017
  • I just changed the time between readings from 500ms to 10s, and up until now, I don't have any problems anymore. I'm not sure whether this is actually a fix, or whether this behaviour is due to a timing effect between other calls to the library and …
    in High CPU load on repeated battery read Comment by mgeorgi August 2017
  • Sure, you can find them here and here
    in Accelerometer not reporting gravity accurately Comment by mgeorgi February 2017
  • Thank you for reproducing our settings! We will try to stream on Android to see if we can also get it to work there, and then to duplicate it under linux. Just to clarify some things: We already reduced the max connection interval by calli…
    in High Frequency Streams for Processed Signals Comment by mgeorgi February 2017
  • Hi Eric,  thanks for your reply. I just read your (C++) docs on Sensor Fusion again, and it is stated there: "When using the sensor fusion algorithm, it is important that you do not simultaenously use the Accelerometer, Gyro, and Magnetometer…
    in High Frequency Streams for Processed Signals Comment by mgeorgi February 2017
  • If I do not activate the data processor (and only stream one channel at a time) I will get the following: 2017-02-03 10:02:17,059 DEBUG Notify 0x001f: 19 04 80 36 15 43 a0 59 75 44 00 6e 6a 42 03 ACC [1486112537059] X: 0.149212896824, Y: 0.9814…
    in Incorrect data when using time data processor on sensor fusion signals Comment by mgeorgi February 2017
  • ACC [1486112398040] X: 0.150677740574, Y: 7.78850846143e+31, Z: 4.08326740475e-11, ACCU: 107 2017-02-03 09:59:58,040 DEBUG Notify 0x001f: 09 03 01 a4 3d 79 3d 87 GYRO [1486112398041] X: 0.0608498007059, Y: 7.78851213656e+34, Z: 7.17464813734e-43, …
    in Incorrect data when using time data processor on sensor fusion signals Comment by mgeorgi February 2017
  • excerpt from data_callback: if data.contents.type_id == DataTypeId.CARTESIAN_FLOAT:             epoch = int(data.contents.epoch)             data_ptr = cast(data.contents.value, POINTER(CartesianFloat))             func((epoch, (data_ptr.content…
    in Incorrect data when using time data processor on sensor fusion signals Comment by mgeorgi February 2017
  • Hi, I just received a similar error again (now related to the gyro, not the acc), this time in line 4211.  I am using API 2.7.2 E/AndroidRuntime: FATAL EXCEPTION: main                                                    Process: de.kinemic.me…
    in Unable to connect after unexpected application closure Comment by mgeorgi December 2016
  • I tried to have a look into DefaultMetaWearBoard.java and the exception occurs inside the receivedModuleInfo(ModuleInfo info) method, specifically inside the branch if (info.id() == InfoRegister.ACCELEROMETER.moduleOpcode()) and case Constant.BMI160…
    in Unable to connect after unexpected application closure Comment by mgeorgi November 2016
  • Thank you for your fast reply Eric. Unfortunately, we want to do real time streaming, so logging is not really an alternative for us. Is there a possibility to use Processors to downsample the DataSignal streams fromCorrectedGyro, fromCorrectedA…
    in Sensor Fusion Raw Data Sampling Rates Comment by mgeorgi November 2016