Comments (8)
undera
commented on July 18, 2024
This looks similar to peplin/pygatt#196
What exactly do you have in your demo.py file?
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asbayer
commented on July 18, 2024
I just copied your demo.py file
https://github.com/undera/pylgbst/blob/master/examples/demo.py
After the first trail I changed the line:
connection = get_connection_auto()
to
connection = get_connection_bluegiga(hub_mac='00:16:53:A5:5A:0B')
Both scenarios prduce the output shown above.
I'm using a Kali-Linux system.
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undera
commented on July 18, 2024
That demo file has no job to do, because it has demo_all() commented out. Try uncommenting it and run again.
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asbayer
commented on July 18, 2024
This I already did. But nothing changed. This i my current code at the bottom of your demo.py file which produces the message:
if __name__ == '__main__':
logging.basicConfig(level=logging.INFO)
try:
connection = DebugServerConnection()
except BaseException:
logging.debug("Failed to use debug server: %s", traceback.format_exc())
connection = get_connection_bluegiga(hub_mac='00:16:53:A5:5A:0B')
#connection = get_connection_auto()
try:
hub = MoveHub(connection)
sleep(1)
demo_all(hub)
finally:
connection.disconnect()
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undera
commented on July 18, 2024
Ok, I see. Can you try with another backend BLE lib?
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asbayer
commented on July 18, 2024
This is the output when I try get_connection_gattool
/usr/bin/python2.7 /root/PycharmProjects/mypy/lego/demo.py
Can't get device info: No such device
INFO:pygatt.backends.gatttool.gatttool:Running...
INFO:comms-pygatt:Discovering devices...
INFO:pygatt.backends.gatttool.gatttool:Starting BLE scan
ERROR:pygatt.backends.gatttool.gatttool:No BLE adapter found
Traceback (most recent call last):
File "/root/PycharmProjects/mypy/lego/demo.py", line 193, in <module>
connection = get_connection_gattool(hub_mac='00:16:53:A5:5A:0B')
File "/usr/local/lib/python2.7/dist-packages/pylgbst/__init__.py", line 18, in get_connection_gattool
return GattoolConnection(controller).connect(hub_mac)
File "/usr/local/lib/python2.7/dist-packages/pylgbst/comms/cpygatt.py", line 31, in connect
devices = adapter.scan(1)
File "/usr/local/lib/python2.7/dist-packages/pygatt/backends/gatttool/gatttool.py", line 326, in scan
raise BLEError(message)
pygatt.exceptions.BLEError: No BLE adapter found
and with
connection = get_connection_gatt(hub_mac='00:16:53:A5:5A:0B')
i receive this:
/usr/bin/python2.7 /root/PycharmProjects/mypy/lego/demo.py
Traceback (most recent call last):
File "/root/PycharmProjects/mypy/lego/demo.py", line 192, in <module>
connection = get_connection_gatt(hub_mac='00:16:53:A5:5A:0B')
File "/usr/local/lib/python2.7/dist-packages/pylgbst/__init__.py", line 24, in get_connection_gatt
return GattConnection(controller).connect(hub_mac)
File "/usr/local/lib/python2.7/dist-packages/pylgbst/comms/cgatt.py", line 93, in connect
self._manager.start_discovery()
File "/usr/local/lib/python2.7/dist-packages/gatt/gatt_linux.py", line 149, in start_discovery
raise _error_from_dbus_error(e)
gatt.errors.Failed: Method "SetDiscoveryFilter" with signature "a{ss}" on interface "org.bluez.Adapter1" doesn't exist
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undera
commented on July 18, 2024
pygatt might require sudo to run properly
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asbayer
commented on July 18, 2024
I am logged in as user root on that machine. But I also tried now:
sudo python2.7 demo.py
unfortunately with the same result. I will continue investigating
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