what's the difference between disconnection reason 0x13 and 0x16?

Question

what's the detail difference between BLE_HCI_REMOTE_USER_TERMINATED_CONNECTION and BLE_HCI_LOCAL_HOST_TERMINATED_CONNECTION?

Ole Morten · Accepted Answer

When you pass a disconnect reason, you should always use what you want the peer device to see. This means that when you disconnect from your side, you should pass BLE_HCI_REMOTE_USER_TERMINATED_CONNECTION. However, when you then get the disconnect event, you'll see that it has the BLE_HCI_LOCAL_HOST_TERMINATED_CONNECTION reason, as seen by the link layer. 
 The same can be seen if you do a disconnect from MCP. In the disconnected event on the nRF51 side, you'll see BLE_HCI_REMOTE_USER_TERMINATED_CONNECTION as reason, but if you look in MCP's log pane, you'll see BLE_HCI_LOCAL_HOST_TERMINATED_CONNECTION. 
 Edit: Complete rewrite, as my initial answer was plain wrong.

what's the difference between disconnection reason 0x13 and 0x16?

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