Hi Ytai I did not see the same problem when using a USB connection. What is your recommended dongle? And "Do a configuration wipe on the IOIO in order to recalibrate the oscillator " means to reprogram the firmware of IOIO and connect to a PC or Android device?
Thank you 在 2014年3月4日星期二UTC-5下午5时56分44秒，Ytai写道： > By overloading the connection I meant trying to push data at a higher rate > than the channel can handle. If all you have is I2C transactions this > should never happen. Opening a lot of analog inputs or digital inputs that > change very rapidly etc. are examples for things that can generate high > data rates. > > Anyway, try over USB. > > - If you don't see those problems over USB, the things to try are: > - Use a different dongle. > - Do a configuration wipe on the IOIO in order to recalibrate the > oscillator (see wiki). > - If you are still having those problems over USB, it is likely a > problem with your app. Try to reduce the app until you isolate the > problem. > If you can't, send the minimum possible code that exhibits this problem > and > I'll take a look. > > > > On Tue, Mar 4, 2014 at 2:26 PM, Ping li <[email protected] > <javascript:>>wrote: > >> The app is to read a accelerometer(ADXL345) and a gyroscope(ITG3200) via >> the same I2C port. After every read, there is 10ms sleep. What is meanning >> of the "overloading the connection"? how to fix it? >> >> 在 2014年3月4日星期二UTC-5下午5时20分34秒，Ytai写道： >>> >>> What does the app do? You might be overloading the connection. >>> >>> >>> On Tue, Mar 4, 2014 at 2:10 PM, Ping li <[email protected]> wrote: >>> >>>> Hi Ytai >>>> >>>> I have a problem when using Bluetooth to read the IOIO. After Bluetooth >>>> connection, the program can work well and can read the sensors by IOIO >>>> via I2C. But, during running, the android device attemp to connect with >>>> IOIO again, that will cause the Wireless communication becaming slow so >>>> that I lost some data. I copied the log for you reference. Can you help me >>>> understand what is the reason? >>>> >>>> The Blue log shows the now speed; >>>> The RED log is the attempting to connect again >>>> The PINK log shows the read&write becomes slow. >>>> >>>> Thank you >>>> >>>> Li Ping >>>> >>>> Log: >>>> 03-04 16:57:44.391: V/BluetoothSocket.cpp(7187): readNative >>>> 03-04 16:57:44.406: V/BluetoothSocket.cpp(7187): writeNative >>>> 03-04 16:57:44.414: V/BluetoothSocket.cpp(7187): readNative >>>> 03-04 16:57:44.414: V/BluetoothSocket.cpp(7187): writeNative >>>> 03-04 16:57:44.422: V/BluetoothSocket.cpp(7187): readNative >>>> 03-04 16:57:44.438: V/BluetoothSocket.cpp(7187): writeNative >>>> 03-04 16:57:44.446: V/BluetoothSocket.cpp(7187): readNative >>>> 03-04 16:57:44.446: V/BluetoothSocket.cpp(7187): writeNative >>>> 03-04 16:57:44.453: V/BluetoothSocket.cpp(7187): readNative >>>> 03-04 16:57:44.469: V/BluetoothSocket.cpp(7187): writeNative >>>> 03-04 16:57:44.477: V/BluetoothSocket.cpp(7187): readNative >>>> 03-04 16:57:44.477: V/BluetoothSocket.cpp(7187): writeNative >>>> 03-04 16:57:44.485: V/BluetoothSocket.cpp(7187): readNative >>>> 03-04 16:57:44.500: V/BluetoothSocket.cpp(7187): writeNative >>>> 03-04 16:57:44.508: V/BluetoothSocket.cpp(7187): readNative >>>> 03-04 16:57:44.508: V/BluetoothSocket.cpp(7187): writeNative >>>> 03-04 16:57:44.516: V/BluetoothSocket.cpp(7187): readNative >>>> 03-04 16:57:44.524: V/BluetoothIOIOConnection(7187): Attempting to >>>> connect to Bluetooth device: IOIO (A3:10) >>>> 03-04 16:57:44.531: I/BluetoothPolicyService(334): >>>> getBluetoothDataTransferAllowed >>>> 03-04 16:57:44.531: V/BluetoothSocket.cpp(7187): writeNative >>>> 03-04 16:57:44.539: D/BluetoothPolicyService(334): MDM: >>>> isProfileEnabled = true >>>> 03-04 16:57:44.539: V/BluetoothSocket.cpp(7187): readNative >>>> 03-04 16:57:44.539: V/BluetoothSocket.cpp(7187): writeNative >>>> 03-04 16:57:44.547: D/BluetoothUtils(7187): >>>> isSocketAllowedBySecurityPolicy start : device null >>>> 03-04 16:57:44.555: V/BluetoothService.cpp(334): createDeviceNative >>>> 03-04 16:57:44.555: V/BluetoothService.cpp(334): createDeviceNative >>>> 03-04 16:57:44.555: V/BluetoothSocket.cpp(7187): readNative >>>> 03-04 16:57:44.555: V/BluetoothEventLoop.cpp(334): onCreateDeviceResult >>>> 03-04 16:57:44.555: V/BluetoothEventLoop.cpp(334): onCreateDeviceResult >>>> 03-04 16:57:44.555: E/BluetoothEventLoop.cpp(334): >>>> onCreateDeviceResult: D-Bus error: org.bluez.Error.AlreadyExists (Already >>>> Exists) >>>> 03-04 16:57:44.555: V/BluetoothService.cpp(334): discoverServicesNative >>>> 03-04 16:57:44.555: V/BluetoothService.cpp(334): ... Object Path = >>>> /org/bluez/1179/hci0/dev_00_15_83_15_A3_10 >>>> 03-04 16:57:44.555: V/BluetoothService.cpp(334): ... Pattern = , strlen >>>> = 0 >>>> 03-04 16:57:44.571: V/BluetoothSocket.cpp(7187): writeNative >>>> 03-04 16:57:44.766: V/BluetoothSocket.cpp(7187): readNative >>>> 03-04 16:57:44.766: V/BluetoothSocket.cpp(7187): writeNative >>>> 03-04 16:57:44.789: D/STATUSBAR-NetworkController(429): onReceive() - >>>> RSSI_CHANGED_ACTION, WIFI_STATE, NETWORK_STATE >>>> 03-04 16:57:44.789: D/STATUSBAR-NetworkController(429): >>>> refreshSignalCluster: data=0 bt=false >>>> 03-04 16:57:44.797: D/STATUSBAR-SignalClusterView(429): >>>> mSeparateMobileGroup=8 >>>> 03-04 16:57:44.797: D/STATUSBAR-SignalClusterView(429): >>>> mSeparateMobileGroup=8 >>>> 03-04 16:57:44.797: D/STATUSBAR-SignalClusterView(429): >>>> mSeparateMobileGroup=8 >>>> 03-04 16:57:44.797: D/STATUSBAR-NetworkController(429): >>>> refreshSignalCluster: data=0 bt=false >>>> 03-04 16:57:44.797: D/STATUSBAR-SignalClusterView(429): >>>> mSeparateMobileGroup=8 >>>> 03-04 16:57:44.797: D/STATUSBAR-SignalClusterView(429): >>>> mSeparateMobileGroup=8 >>>> 03-04 16:57:44.805: D/STATUSBAR-SignalClusterView(429): >>>> mSeparateMobileGroup=8 >>>> 03-04 16:57:44.906: V/BluetoothSocket.cpp(7187): readNative >>>> 03-04 16:57:44.922: V/BluetoothSocket.cpp(7187): writeNative >>>> 03-04 16:57:45.039: V/BluetoothSocket.cpp(7187): readNative >>>> 03-04 16:57:45.039: V/BluetoothSocket.cpp(7187): writeNative >>>> 03-04 16:57:45.383: V/BluetoothSocket.cpp(7187): readNative >>>> 03-04 16:57:45.399: V/BluetoothSocket.cpp(7187): writeNative >>>> 03-04 16:57:45.531: V/BluetoothSocket.cpp(7187): readNative >>>> 03-04 16:57:45.531: V/BluetoothSocket.cpp(7187): writeNative >>>> 03-04 16:57:45.688: V/BluetoothSocket.cpp(7187): readNative >>>> 03-04 16:57:45.703: V/BluetoothSocket.cpp(7187): writeNative >>>> 03-04 16:57:45.789: V/BluetoothSocket.cpp(7187): readNative >>>> 03-04 16:57:45.789: V/BluetoothSocket.cpp(7187): writeNative >>>> 03-04 16:57:45.930: V/BluetoothSocket.cpp(7187): readNative >>>> 03-04 16:57:45.946: V/BluetoothSocket.cpp(7187): writeNative >>>> 03-04 16:57:46.086: V/BluetoothSocket.cpp(7187): readNative >>>> 03-04 16:57:46.086: V/BluetoothSocket.cpp(7187): writeNative >>>> >>>> -- >>>> You received this message because you are subscribed to the Google >>>> Groups "ioio-users" group. >>>> To unsubscribe from this group and stop receiving emails from it, send >>>> an email to [email protected]. >>>> To post to this group, send email to [email protected]. >>>> >>>> Visit this group at http://groups.google.com/group/ioio-users. >>>> For more options, visit https://groups.google.com/groups/opt_out. >>>> >>> >>> -- >> You received this message because you are subscribed to the Google Groups >> "ioio-users" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected] <javascript:>. >> To post to this group, send email to [email protected]<javascript:> >> . >> Visit this group at http://groups.google.com/group/ioio-users. >> For more options, visit https://groups.google.com/groups/opt_out. >> > > -- You received this message because you are subscribed to the Google Groups "ioio-users" group. 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