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Problem writing to encrypted characteristic from Master Control Panel

Mike Thomspon

I'm adding the bond manager to an existing nRF51822 s110 soft device project to enable encryption when reading/writing certain characteristics of a BLE service.

As far as I can tell, the pairing and bonding is occurring properly. When I connect using either the Nordic Master Control Panel on Android or using LightBlue on an iOS device, I can pair, bond and write to the characteristic without errors. However, using the Nordic Master Control Panel application version 3.6.0.8331 with the PCA10000 v2.2.0 under Windows 7, I receiving the error "Could not update handle 0x0011 with new value" as shown in the log below:

[12:49:07.3] C63D296C3F4C
[12:49:13.4] ConnectToDevice()
[12:49:13.8] ----------------------------
[12:49:13.8] Connected to device
[12:49:13.8] Role: 0
[12:49:13.8] PeerAddressType: 1
[12:49:13.8] PeerAddress (MSB): C63D296C3F4C
[12:49:13.8] Connection Interval: 20.0ms
[12:49:13.8] Connection Latency: 0
[12:49:13.8] Supervision Timeout: 3000ms
[12:49:13.8] Clock Accuracy: (1)
[12:49:13.8] ----------------------------
[12:49:13.8] Starting encryption
[12:49:13.8] Connected to C63D296C3F4C
[12:49:14.0] SERVER: Received packet <HciEvent: eventCode=0x0B> - <HciEvent: eventCode=0x0B>
[12:49:14.0] SERVER: Received Encryption Change Event
[12:49:14.0] Encryption change: Link encryption is ON
[12:49:31.6] UpdateAttributeValue(mode=1)
[12:50:01.7] Could not update handle 0x0011 with new value.

Is there any obvious difference between the Android and iOS platform from the Windows platform that would account for why things might now work under Windows?

Thanks,

Mike

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  • 0

    Answering my own question here. Apparently the issue is with the v3.6.0 Master Control Panel x64 application for Windows. It doesn't seem to work with the Blood Glucose Application in the v5.2 SDK and the v6.0 S110 soft-device. Since my application is derived from how the Bond Manager works in the Blood Glucose Application, it was failing as well. Reverting back to the v3.5.0 Master Control Panel x64 for Windows and cleared up the problem of being unable to write to encrypted characteristics with both the sample Blood Glucose Application in the v5.2 SDK and with my application.

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  • 0

    Answering my own question here. Apparently the issue is with the v3.6.0 Master Control Panel x64 application for Windows. It doesn't seem to work with the Blood Glucose Application in the v5.2 SDK and the v6.0 S110 soft-device. Since my application is derived from how the Bond Manager works in the Blood Glucose Application, it was failing as well. Reverting back to the v3.5.0 Master Control Panel x64 for Windows and cleared up the problem of being unable to write to encrypted characteristics with both the sample Blood Glucose Application in the v5.2 SDK and with my application.

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