Re: Bluez with Raspberry Pi for BLE

[Mike <mailinglists@in-box.at>]

Hi Luiz,

it works now. Thank you!

BR
Mike

Am 14.09.2015 um 14:39 schrieb Luiz Augusto von Dentz:
> Hi Mike,
> 
> On Sun, Sep 13, 2015 at 2:23 PM, Mike <mailinglists@in-box.at> wrote:
>> Hi,
>>
>> I am trying to get my RPi to work with BLE. I downloaded and compiled
>> bluez-5.34.tar.xz.
>>
>> uname -a says: Linux raspberry 4.1.6-v7+ #810 SMP PREEMPT Tue Aug 18
>> 15:32:12 BST 2015 armv7l GNU/Linux
>>
>> My BLE-stick is recognized and hci0 is up and running. I can scan for
>> advertising peripherals with "sudo hcitool lescan". This works. But if I
>> try to connect to a peripheral I always get Connection refused (111). So
>> I looked at the output of hcidump and found that after the connection is
>> completed, I get disconnected by remote.
> 
> 
> If you are running bluetoothd using hcitool is _not_ recommended,
> please use bluetoothctl instead.
> 
> Note: Requiring root access should already warn you about that.
> 
>> < HCI Command: LE Create Connection (0x08|0x000d) plen 25
>>     bdaddr 34:B1:F7:D4:FE:F3 type 0
>>     interval 4 window 4 initiator_filter 0
>>     own_bdaddr_type 0 min_interval 15 max_interval 15
>>     latency 0 supervision_to 3200 min_ce 1 max_ce 1
>>> HCI Event: Command Status (0x0f) plen 4
>>     LE Create Connection (0x08|0x000d) status 0x00 ncmd 1
>>> HCI Event: LE Meta Event (0x3e) plen 19
>>     LE Connection Complete
>>       status 0x00 handle 72, role master
>>       bdaddr 34:B1:F7:D4:FE:F3 (Public)
>> < HCI Command: LE Read Remote Used Features (0x08|0x0016) plen 2
>>   0000: 48 00                                             H.
>>> HCI Event: Command Status (0x0f) plen 4
>>     LE Read Remote Used Features (0x08|0x0016) status 0x00 ncmd 1
>>> HCI Event: LE Meta Event (0x3e) plen 12
>>     LE Read Remote Used Features Complete
>>       status 0x00 handle 72
>>       Features: 0x01 0x00 0x00 0x00 0x00 0x00 0x00 0x00
>> < HCI Command: Disconnect (0x01|0x0006) plen 3
>>     handle 72 reason 0x13
>>     Reason: Remote User Terminated Connection
>>> HCI Event: Command Status (0x0f) plen 4
>>     Disconnect (0x01|0x0006) status 0x00 ncmd 1
>>> HCI Event: Disconn Complete (0x05) plen 4
>>     status 0x00 handle 72 reason 0x16
>>     Reason: Connection Terminated by Local Host
>>
>> I tried three different peripherals and I always get "Connection refused
>> (111)". Any ideas would be appreciated.
> 
> Perhaps are not running bluetoothd or any other tool to keep the
> connection alive, try starting bluetoothd and use bluetoothctl, in
> addition you can use org.bluez.GattManager1.RegisterProfile to mark
> the device to auto connect (passive scanning):
> 
> https://git.kernel.org/cgit/bluetooth/bluez.git/tree/doc/gatt-api.txt
> 
> or using the python test script:
> 
> https://git.kernel.org/cgit/bluetooth/bluez.git/tree/test/test-gatt-profile
> 
>