Hi Ytai Thank you. The problem is fixed. I paired 2 Bluetooth dongle with the PAD, when 1 of them is working with IOIO, the android will regularly check if another one is available. I unpaired the unuseful dongle, then the problem disappeared.
在 2014年3月5日星期三UTC-5下午8时09分21秒，Ytai写道： > I don't have a specific recommended dongle. Look at the "supported > dongles" page on the Wiki. > > Configuration wipe is *not* reprogramming. It involves entering > bootloader mode with pin 1 shorted to GND. Please read the IOIODude wiki > page for more info. > > > On Wed, Mar 5, 2014 at 8:56 AM, Ping li <[email protected] > <javascript:>>wrote: > >> 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]> 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]. >>>> 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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