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IanHarvey / bluepy

Python interface to Bluetooth LE on Linux
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cannot connect using btle.py #83

Open 10hsin opened 9 years ago

10hsin commented 9 years ago

Hi Ian, I've met some problems when trying to connect to BLE device via btle.py I can have a success connection using gatttool But failed by using btle.py, both public mode and random mode

Below are error messages: -------------------------------------------public mode----------------------------------------------------- Connecting to: F3:12:55:AE:64:11, address type: public Traceback (most recent call last): File "btle.py", line 482, in conn = Peripheral(devAddr, addrType) File "btle.py", line 194, in init self.connect(deviceAddr, addrType) File "btle.py", line 328, in connect "Failed to connect to peripheral %s, addr type: %s" % (addr, addrType)) main.BTLEException: Failed to connect to peripheral F3:12:55:AE:64:11, addr type: public

-------------------------------------------random mode----------------------------------------------------- Connecting to: F3:12:55:AE:64:11, address type: random Service : Traceback (most recent call last): File "btle.py", line 486, in for ch in svc.getCharacteristics(): File "btle.py", line 103, in getCharacteristics self.chars = self.peripheral.getCharacteristics(self.hndStart, self.hndEnd) File "btle.py", line 379, in getCharacteristics rsp = self._getResp('find') File "btle.py", line 306, in _getResp raise BTLEException(BTLEException.COMM_ERROR, "Error from Bluetooth stack (%s)" % errcode) main.BTLEException: Error from Bluetooth stack (comerr)

The device I use is CSR 4.0 dongle on RPi and Red Bear BLE Shiled I use Debian Wheezy and Bluez 5.29 I've tried to modify btle.py discussed in issue 27, but still not working Any suggestion? Thanks for your contribution

IanHarvey commented 9 years ago

Could you try opening a second terminal window, and running

sudo hcidump -t

in it, and then try running btle.py in the first window. This should give lots of debug output - if you can post this I'll take a look at it. It would also be useful if you could post the output when you connect with gatttool.

If hcidump isn't found, you might need to install it with 

sudo apt-get install bluez-hcidump

Thanks Ian

10hsin commented 9 years ago

Hello Ian, below are some output of hcidump

gatttool connection

HCI Command: LE Read Remote Used Features (0x08|0x0016) plen 2 0000: 46 00 F. 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 70 Features: 0x01 0x00 0x00 0x00 0x00 0x00 0x00 0x00

btle public mode

HCI Command: LE Create Connection Cancel (0x08|0x000e) plen 0 HCI Event: Command Complete (0x0e) plen 4 LE Create Connection Cancel (0x08|0x000e) ncmd 1 0000: 00 . HCI Event: LE Meta Event (0x3e) plen 19 LE Connection Complete status 0x02 handle 0, role master bdaddr F3:12:55:AE:64:11 (Public) < HCI Command: LE Create Connection Cancel (0x08|0x000e) plen 0

btle random mode

HCI Event: Command Status (0x0f) plen 4 Unknown (0x00|0x0000) status 0x00 ncmd 1 HCI Event: LE Meta Event (0x3e) plen 12 LE Read Remote Used Features Complete status 0x00 handle 70 Features: 0x01 0x00 0x00 0x00 0x00 0x00 0x00 0x00 < ACL data: handle 70 flags 0x00 dlen 11 ATT: Read By Group req (0x10) start 0x0001, end 0xffff type-uuid 0x2800 HCI Event: Number of Completed Packets (0x13) plen 5 handle 70 packets 1 ACL data: handle 70 flags 0x02 dlen 18 ATT: Read By Group resp (0x11) attr handle 0x0001, end group handle 0x0007 value 0x00 0x18 attr handle 0x0008, end group handle 0x0008 value 0x01 0x18 < ACL data: handle 70 flags 0x00 dlen 11 ATT: Read By Group req (0x10) start 0x0009, end 0xffff type-uuid 0x2800 HCI Event: Number of Completed Packets (0x13) plen 5 handle 70 packets 1 ACL data: handle 70 flags 0x02 dlen 26 ATT: Read By Group resp (0x11) attr handle 0x0009, end group handle 0x000e value 0x1e 0x94 0x8d 0xf1 0x48 0x31 0x94 0xba 0x75 0x4c 0x3e 0x50 0x00 0x00 0x3d 0x71 < ACL data: handle 70 flags 0x00 dlen 11 ATT: Read By Group req (0x10) start 0x000f, end 0xffff type-uuid 0x2800 HCI Event: Number of Completed Packets (0x13) plen 5 handle 70 packets 1 ACL data: handle 70 flags 0x02 dlen 12 ATT: Read By Group resp (0x11) attr handle 0x000f, end group handle 0xffff value 0x0a 0x18 < ACL data: handle 70 flags 0x00 dlen 11 ATT: Read By Type req (0x08) start 0x0008, end 0x0008 type-uuid 0x2803 HCI Event: Number of Completed Packets (0x13) plen 5 handle 70 packets 1 ACL data: handle 70 flags 0x02 dlen 9 ATT: Error (0x01) Error: Attribute not found (10) Read By Type req (0x08) on handle 0x0008 < HCI Command: Disconnect (0x01|0x0006) plen 3 handle 70 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 70 reason 0x16 Reason: Connection Terminated by Local Host

s-t-e-f-a-n commented 8 years ago

I have a similar problem on my Synology DS211+ NAS when trying to put a CC2650 into operation - hcitool lescan and lecc works - also the scan.py:

python scan.py
Scanning for devices...
    Device (new): b0:b4:48:be:d1:01 (public), -82 dBm
        Flags: <05>
        Incomplete 16b Services: <80aa>
        Manufacturer: <0d00030000>
    Device (update): b0:b4:48:be:d1:01 (public), -82 dBm
        Flags: <05>
        Incomplete 16b Services: <80aa>
        Complete Local Name: 'CC2650 SensorTag'
        Tx Power: <00>
        0x12: <08002003>
        Manufacturer: <0d00030000>

Here is the errornoues output of btle.py (all debugs switched on):

python btle.py B0:B4:48:BE:D1:01
Connecting to: B0:B4:48:BE:D1:01, address type: public
Running  /volume1/EarthG/projects/SensorTag/bluepy/bluepy/bluepy-helper
Sent:  conn B0:B4:48:BE:D1:01 public

Got: '# main() :bluepy-helper.c built at 00:20:29 on Dec  9 2015\n'
Got: '# main() :Starting loop\n'
Got: "rsp=$stat state=$tryconn dst='B0:B4:48:BE:D1:01 mtu=h0 sec='low\n"
Got: '# cmd_connect() :gatt_connect returned 0x36ef8\n'
Got: '# connect_cb() :io = 0x36ef8, err = (nil)\n'
Got: "# Can't detect MTU, using defaultrsp=$stat state=$conn dst='B0:B4:48:BE:D1:01 mtu=h0 sec='low\n"
Got: '# channel_watcher() :chan = 0x36ef8\n'
Got: "rsp=$stat state=$disc mtu=h0 sec='low\n"
Stopping  /volume1/EarthG/projects/SensorTag/bluepy/bluepy/bluepy-helper
Traceback (most recent call last):
  File "btle.py", line 683, in <module>
    conn = Peripheral(devAddr, addrType)
  File "btle.py", line 323, in __init__
    self.connect(addr, self.addrType, self.iface)
  File "btle.py", line 370, in connect
    "Failed to connect to peripheral %s, addr type: %s" % (addr, addrType))
__main__.BTLEException: Failed to connect to peripheral B0:B4:48:BE:D1:01, addr type: public

Sometimes there is no traceback and it runs without further output, and sometimes the traceback is output immediately. The problem occurrs with python 2.7 as well as with 3.2. hcidump is not available easily - ipkg-bootstrap does not offer it....It was already hard for me to get the bluepy-helper to be compiled on the NAS...

Inachis commented 8 years ago

Hi Ian, I have similar problem. I can connect with gatttool and hcitool lecc.

python btle.py 98:4F:EE:0D:06:1A

Connecting to: 98:4F:EE:0D:06:1A, address type: public Service : Traceback (most recent call last): File "btle.py", line 687, in for ch in svc.getCharacteristics(): File "btle.py", line 106, in getCharacteristics self.chars = self.peripheral.getCharacteristics(self.hndStart, self.hndEnd) File "btle.py", line 420, in getCharacteristics rsp = self._getResp('find') File "btle.py", line 334, in _getResp resp = self._waitResp(wantType + ['ntfy', 'ind'], timeout) File "btle.py", line 296, in _waitResp raise BTLEException(BTLEException.COMM_ERROR, "Error from Bluetooth stack (%s)" % errcode) main.BTLEException: Error from Bluetooth stack (comerr)

hcidump -t:

HCI sniffer - Bluetooth packet analyzer ver 5.37 device: hci0 snap_len: 1500 filter: 0xffffffff 2016-02-06 21:59:47.963605 < HCI Command: LE Create Connection (0x08|0x000d) plen 25 bdaddr 98:4F:EE:0D:06:1A type 0 interval 96 window 48 initiator_filter 0 own_bdaddr_type 0 min_interval 40 max_interval 56 latency 0 supervision_to 42 min_ce 0 max_ce 0 2016-02-06 21:59:47.969782 > HCI Event: Command Status (0x0f) plen 4 LE Create Connection (0x08|0x000d) status 0x00 ncmd 1 2016-02-06 21:59:47.995735 > HCI Event: LE Meta Event (0x3e) plen 19 LE Connection Complete status 0x00 handle 71, role master bdaddr 98:4F:EE:0D:06:1A (Public) 2016-02-06 21:59:47.996304 < HCI Command: LE Read Remote Used Features (0x08|0x0016) plen 2 2016-02-06 21:59:48.001769 > HCI Event: Command Status (0x0f) plen 4 LE Read Remote Used Features (0x08|0x0016) status 0x00 ncmd 0 2016-02-06 21:59:48.239780 > HCI Event: Command Status (0x0f) plen 4 Unknown (0x00|0x0000) status 0x00 ncmd 1 2016-02-06 21:59:48.379800 > HCI Event: LE Meta Event (0x3e) plen 12 LE Read Remote Used Features Complete status 0x00 handle 71 Features: 0x01 0x00 0x00 0x00 0x00 0x00 0x00 0x00 2016-02-06 21:59:48.399172 < ACL data: handle 71 flags 0x00 dlen 11 ATT: Read By Group req (0x10) start 0x0001, end 0xffff type-uuid 0x2800 2016-02-06 21:59:48.449816 > HCI Event: Number of Completed Packets (0x13) plen 5 handle 71 packets 1 2016-02-06 21:59:48.590232 > ACL data: handle 71 flags 0x02 dlen 24 ATT: Read By Group resp (0x11) attr handle 0x0001, end group handle 0x0007 value 0x00 0x18 attr handle 0x0008, end group handle 0x0008 value 0x01 0x18 attr handle 0x0009, end group handle 0xffff value 0x0d 0x18 2016-02-06 21:59:48.601999 < ACL data: handle 71 flags 0x00 dlen 11 ATT: Read By Type req (0x08) start 0x0008, end 0x0008 type-uuid 0x2803 2016-02-06 21:59:48.659853 > HCI Event: Number of Completed Packets (0x13) plen 5 handle 71 packets 1 2016-02-06 21:59:48.729112 > ACL data: handle 71 flags 0x02 dlen 9 ATT: Error (0x01) Error: Attribute not found (10) Read By Type req (0x08) on handle 0x0008 2016-02-06 21:59:50.729659 < HCI Command: Disconnect (0x01|0x0006) plen 3 handle 71 reason 0x13 Reason: Remote User Terminated Connection 2016-02-06 21:59:50.731086 > HCI Event: Command Status (0x0f) plen 4 Disconnect (0x01|0x0006) status 0x00 ncmd 1 2016-02-06 21:59:50.760132 > HCI Event: Disconn Complete (0x05) plen 4 status 0x00 handle 71 reason 0x16 Reason: Connection Terminated by Local Host

If it helps, here's a successful gatttool output gatttool -b 98:4F:EE:0D:06:1A -I

[98:4F:EE:0D:06:1A][LE]> connect Attempting to connect to 98:4F:EE:0D:06:1A Connection successful [98:4F:EE:0D:06:1A][LE]> primary attr handle: 0x0001, end grp handle: 0x0007 uuid: 00001800-0000-1000-8000-00805f9b34fb attr handle: 0x0008, end grp handle: 0x0008 uuid: 00001801-0000-1000-8000-00805f9b34fb attr handle: 0x0009, end grp handle: 0xffff uuid: 0000180d-0000-1000-8000-00805f9b34fb [98:4F:EE:0D:06:1A][LE]> char-desc 0x0009 0xffff handle: 0x0009, uuid: 00002800-0000-1000-8000-00805f9b34fb handle: 0x000a, uuid: 00002803-0000-1000-8000-00805f9b34fb handle: 0x000b, uuid: 00002a37-0000-1000-8000-00805f9b34fb handle: 0x000c, uuid: 00002902-0000-1000-8000-00805f9b34fb [98:4F:EE:0D:06:1A][LE]> char-write-req 0x000b 0100 Error: Characteristic Write Request failed: Attribute can't be written [98:4F:EE:0D:06:1A][LE]> char-write-req 0x000c 0100 Characteristic value was written successfully Notification handle = 0x000b value: 00 4a Notification handle = 0x000b value: 00 4b Notification handle = 0x000b value: 00 4a Notification handle = 0x000b value: 00 4b Notification handle = 0x000b value: 00 4a Notification handle = 0x000b value: 00 4b Notification handle = 0x000b value: 00 4a Notification handle = 0x000b value: 00 4b Notification handle = 0x000b value: 00 4a Notification handle = 0x000b value: 00 4b Notification handle = 0x000b value: 00 4a [98:4F:EE:0D:06:1A][LE]> char-write-req 0x000c 0000 Characteristic value was written successfully [98:4F:EE:0D:06:1A][LE]>

Any suggestions? Kelvin

timcknowles commented 8 years ago

Hi Ian,

Thanks for the code and the really useful eLinux article. I have been following your instructions but I get the following error. I'm trying to connect to an Anova https://github.com/erikcw/pycirculate

Any help would be greatly appreciated.

Thanks in advance

Tim

pi@raspberrypi ~/bluepy/bluepy $ sudo hcitool lecc F4:B8:5E:AF:F8:D6 Connection handle 64 pi@raspberrypi ~/bluepy/bluepy $ python btle.py F4:B8:5E:AF:F8:D6 Connecting to: F4:B8:5E:AF:F8:D6, address type: public Traceback (most recent call last): File "btle.py", line 683, in conn = Peripheral(devAddr, addrType) File "btle.py", line 318, in init self.connect(deviceAddr, addrType, iface) File "btle.py", line 367, in connect "Failed to connect to peripheral %s, addr type: %s" % (addr, addrType)) main.BTLEException: Failed to connect to peripheral F4:B8:5E:AF:F8:D6, addr type: public

pi@raspberrypi ~ $ sudo hcidump -t HCI sniffer - Bluetooth packet analyzer ver 5.32 device: hci0 snap_len: 1500 filter: 0xffffffff 2016-03-19 10:27:43.039080 < HCI Command: LE Create Connection (0x08|0x000d) plen 25 bdaddr F4:B8:5E:AF:F8:D6 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 2016-03-19 10:27:43.041158 > HCI Event: Command Status (0x0f) plen 4 LE Create Connection (0x08|0x000d) status 0x00 ncmd 1 2016-03-19 10:27:44.025229 > HCI Event: LE Meta Event (0x3e) plen 19 LE Connection Complete status 0x00 handle 64, role master bdaddr F4:B8:5E:AF:F8:D6 (Public) 2016-03-19 10:27:44.025851 < HCI Command: LE Read Remote Used Features (0x08|0x0016) plen 2 2016-03-19 10:27:44.027273 > HCI Event: Command Status (0x0f) plen 4 LE Read Remote Used Features (0x08|0x0016) status 0x00 ncmd 1 2016-03-19 10:27:44.079255 > HCI Event: LE Meta Event (0x3e) plen 12 LE Read Remote Used Features Complete status 0x00 handle 64 Features: 0x01 0x00 0x00 0x00 0x00 0x00 0x00 0x00 2016-03-19 10:27:44.623595 > ACL data: handle 64 flags 0x02 dlen 16 L2CAP(d): cid 0x0005 len 12 [psm 0] 2016-03-19 10:27:44.623869 < ACL data: handle 64 flags 0x00 dlen 10 L2CAP(d): cid 0x0005 len 6 [psm 0] 2016-03-19 10:27:44.623954 < HCI Command: LE Connection Update (0x08|0x0013) plen 14 2016-03-19 10:27:44.626317 > HCI Event: Command Status (0x0f) plen 4 LE Connection Update (0x08|0x0013) status 0x00 ncmd 1 2016-03-19 10:27:44.960353 > HCI Event: LE Meta Event (0x3e) plen 10 LE Connection Update Complete status 0x00 handle 64 interval 37.50ms, latency 0.00ms, superv. timeout 6000.00ms 2016-03-19 10:27:44.974353 > HCI Event: Number of Completed Packets (0x13) plen 5 handle 64 packets 1 2016-03-19 10:27:46.074535 < HCI Command: Disconnect (0x01|0x0006) plen 3 handle 64 reason 0x13 Reason: Remote User Terminated Connection 2016-03-19 10:27:46.076495 > HCI Event: Command Status (0x0f) plen 4 Disconnect (0x01|0x0006) status 0x00 ncmd 1 2016-03-19 10:27:52.048181 > HCI Event: Disconn Complete (0x05) plen 4 status 0x00 handle 64 reason 0x22 Reason: LMP Response Timeout

martinegginton commented 8 years ago

Hi, I don't know if this is the same issue but I had the same error when using the CC2650 code. I am using Spyder to run the python part. I opened a shell, disabled a usb not related to blue le ($ sudo hciconfig hci1 down). Restarted hci1 (up then down) and then re-ran the script. After that I was able to access the Tag again. Martin

ElectronicWalks commented 3 years ago

"Failed to connect to peripheral %s, addr type: %s" % (addr, addrType)) main.BTLEException: Failed to connect to peripheral B0:B4:48:BE:D1:01, addr type: public

solutuion:- sudo python btle.py B0:B4:48:BE:D1:01 random

ElectronicWalks commented 3 years ago

I have a similar problem on my Synology DS211+ NAS when trying to put a CC2650 into operation - hcitool lescan and lecc works - also the scan.py:

python scan.py
Scanning for devices...
    Device (new): b0:b4:48:be:d1:01 (public), -82 dBm
        Flags: <05>
        Incomplete 16b Services: <80aa>
        Manufacturer: <0d00030000>
    Device (update): b0:b4:48:be:d1:01 (public), -82 dBm
        Flags: <05>
        Incomplete 16b Services: <80aa>
        Complete Local Name: 'CC2650 SensorTag'
        Tx Power: <00>
        0x12: <08002003>
        Manufacturer: <0d00030000>

Here is the errornoues output of btle.py (all debugs switched on):

python btle.py B0:B4:48:BE:D1:01
Connecting to: B0:B4:48:BE:D1:01, address type: public
Running  /volume1/EarthG/projects/SensorTag/bluepy/bluepy/bluepy-helper
Sent:  conn B0:B4:48:BE:D1:01 public

Got: '# main() :bluepy-helper.c built at 00:20:29 on Dec  9 2015\n'
Got: '# main() :Starting loop\n'
Got: "rsp=$stat state=$tryconn dst='B0:B4:48:BE:D1:01 mtu=h0 sec='low\n"
Got: '# cmd_connect() :gatt_connect returned 0x36ef8\n'
Got: '# connect_cb() :io = 0x36ef8, err = (nil)\n'
Got: "# Can't detect MTU, using defaultrsp=$stat state=$conn dst='B0:B4:48:BE:D1:01 mtu=h0 sec='low\n"
Got: '# channel_watcher() :chan = 0x36ef8\n'
Got: "rsp=$stat state=$disc mtu=h0 sec='low\n"
Stopping  /volume1/EarthG/projects/SensorTag/bluepy/bluepy/bluepy-helper
Traceback (most recent call last):
  File "btle.py", line 683, in <module>
    conn = Peripheral(devAddr, addrType)
  File "btle.py", line 323, in __init__
    self.connect(addr, self.addrType, self.iface)
  File "btle.py", line 370, in connect
    "Failed to connect to peripheral %s, addr type: %s" % (addr, addrType))
__main__.BTLEException: Failed to connect to peripheral B0:B4:48:BE:D1:01, addr type: public

Sometimes there is no traceback and it runs without further output, and sometimes the traceback is output immediately. The problem occurrs with python 2.7 as well as with 3.2. hcidump is not available easily - ipkg-bootstrap does not offer it....It was already hard for me to get the bluepy-helper to be compiled on the NAS...

solutuion:- sudo python btle.py B0:B4:48:BE:D1:01 random

cypheron commented 2 years ago

Was getting the same error. It works with ADDR_TYPE_RANDOM!

bwomsm1 commented 1 year ago

Hi @IanHarvey I am also facing this issue, I am running with sudo permissions, Any advice here?