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https://issues.apache.org/jira/browse/MYNEWT-857?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andrzej Kaczmarek updated MYNEWT-857:
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Attachment: nimble_ios_1033.btt
nimble_ios_1103.btt
> BLE Controller - incompatibility with iOS 11
> --------------------------------------------
>
> Key: MYNEWT-857
> URL: https://issues.apache.org/jira/browse/MYNEWT-857
> Project: Mynewt
> Issue Type: Task
> Security Level: Public(Viewable by anyone)
> Components: Nimble
> Reporter: Christopher Collins
> Fix For: v1.3
>
> Attachments: ios2nimble.pcap, nimble_ios_1033.btt, nimble_ios_1103.btt
>
>
> Master: iPhone running iOS 11
> Slave: NimBLE device
> The iPhone successfully establishes a connection to the NimBLE device, but
> the CoreBluetooth {{didConnect()}} callback does not get called. A packet
> trace (see attached) shows that the iPhone never initiates service discovery.
> The problem seems to occur when the NimBLE controller initiates the Feature
> Exchange Procedure immediately after connection establishment. The
> {{LL_SLAVE_FEATURE_REQ}} PDU appears to cause a problem for the iOS device.
> When I comment out the call to {{ble_ll_ctrl_proc_start()}} at the bottom of
> {{ble_ll_conn_created()}}, the iOS device is able to connect and perform
> service discovery, resulting in the CoreBluetooth callback being executed.
> In the attached pcap file, the CONNECT_REQ is at packet #6211.
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