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Error on writing characteristic (133)

michel

Hi

I'm testing the nRF Toolbox for Android. But I get this error when I try to connect using the proximity feature:

image description

I'm using the nrf51822 EK with the s110 ble_app_proximity and the phone is a Samsung Galaxy S4 with android 4.4.2

I have also made some debugging, but I don't know how to fix this problem:

image description

Thanks

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  • 0

    Hi Michel,

    Once a while we saw this error code. It's not described in the Android BLE documentation. However, the error usually come from the Att table being cached. So if you turn off and on bluetooth on the phone, it should usually fix the issue.

    If the error occurs programmatically (that you can reproduce it again and again) please let me know.

    Example hex file that worked for me ble_app_proximity.hex

  • 0 in reply to Hung Bui

    Hi Michel,

    Could you try to remove bond (and turnoff and on bluetooth) and let them bond again ? One of the main different between the nRFMaster Control Panel and nRFToolbox is that the nRF Master Control Panel use a non-official API refresh() to clear the GATT table cache.

    I'm testing here with the S4, Android 4.4.2 and proximity example SDK 6.1 S110 v7.0 and don't see the same error, the setup worked fine with nRFToolbox app.

    Update: After trying for awhile I'm seeing the error now. I will test more and let you now if I can find smth.

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  • 0 in reply to Hung Bui

    Hi Michel,

    Could you try to remove bond (and turnoff and on bluetooth) and let them bond again ? One of the main different between the nRFMaster Control Panel and nRFToolbox is that the nRF Master Control Panel use a non-official API refresh() to clear the GATT table cache.

    I'm testing here with the S4, Android 4.4.2 and proximity example SDK 6.1 S110 v7.0 and don't see the same error, the setup worked fine with nRFToolbox app.

    Update: After trying for awhile I'm seeing the error now. I will test more and let you now if I can find smth.

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