Web bluetooth breaks callbackResponse

[FPSUsername]

I am trying to get the characteristics using web bluetooth, but I receive this error when the javascript calls the service.

return device.gatt.connect().
            then(server => {
                return server.getPrimaryService('b923d807-d8de-469d-89aa-c0d61a4e59a4');
            }).
            then(service => {
                service.getCharacteristic('b923d807-d8de-469d-89aa-c0d61a4e59a5');
            })';

Error from the beacon:

Exception in thread HCISocketPoller:
Traceback (most recent call last):
File "/usr/lib/python3.6/threading.py", line 916, in _bootstrap_inner
self.run()
File "/usr/lib/python3.6/threading.py", line 864, in run
self._target(*self._args, **self._kwargs)
File "/home/ubuntu/.local/lib/python3.6/site-packages/pybleno/hci_socket/BluetoothHCI/BluetoothHCI.py", line 197, in _socket_poller
self._socket_on_data_user_callback(bytearray(data))
File "/home/ubuntu/.local/lib/python3.6/site-packages/pybleno/hci_socket/Hci.py", line 414, in onSocketData
self.emit('aclDataPkt', [handle, cid, pktData])
File "/home/ubuntu/.local/lib/python3.6/site-packages/pybleno/hci_socket/Emit.py", line 17, in emit
handler(*arguments)
File "/home/ubuntu/.local/lib/python3.6/site-packages/pybleno/hci_socket/Bindings.py", line 169, in onAclDataPkt
self._aclStream.push(cid, data)
File "/home/ubuntu/.local/lib/python3.6/site-packages/pybleno/hci_socket/AclStream.py", line 18, in push
self.emit('data', [cid, data])
File "/home/ubuntu/.local/lib/python3.6/site-packages/pybleno/hci_socket/Emit.py", line 17, in emit
handler(*arguments)
File "/home/ubuntu/.local/lib/python3.6/site-packages/pybleno/hci_socket/Gatt.py", line 228, in onAclStreamData
self.handleRequest(data)
File "/home/ubuntu/.local/lib/python3.6/site-packages/pybleno/hci_socket/Gatt.py", line 271, in handleRequest
response = self.handleReadOrReadBlobRequest(request)
File "/home/ubuntu/.local/lib/python3.6/site-packages/pybleno/hci_socket/Gatt.py", line 681, in handleReadOrReadBlobRequest
callback(result, data)
File "/home/ubuntu/.local/lib/python3.6/site-packages/pybleno/hci_socket/Gatt.py", line 620, in callback
callbackResponse[1 + i] = data[i]
TypeError: an integer is required (got type str)

[Adam-Langley]

Hi, Please provide your code which is returning the characteristic result. Thanks

…

On Sat, Feb 8, 2020 at 2:46 AM FPSUsername ***@***.***> wrote: I am trying to get the characteristics using web bluetooth, but I receive this error when the javascript calls the service. return device.gatt.connect(). then(server => { return server.getPrimaryService('b923d807-d8de-469d-89aa-c0d61a4e59a4'); }). then(service => { service.getCharacteristic('b923d807-d8de-469d-89aa-c0d61a4e59a5'); })'; Error from the beacon: Exception in thread HCISocketPoller: Traceback (most recent call last): File "/usr/lib/python3.6/threading.py", line 916, in _bootstrap_inner self.run() File "/usr/lib/python3.6/threading.py", line 864, in run self._target(*self._args, **self._kwargs) File "/home/ubuntu/.local/lib/python3.6/site-packages/pybleno/hci_socket/BluetoothHCI/BluetoothHCI.py", line 197, in _socket_poller self._socket_on_data_user_callback(bytearray(data)) File "/home/ubuntu/.local/lib/python3.6/site-packages/pybleno/hci_socket/Hci.py", line 414, in onSocketData self.emit('aclDataPkt', [handle, cid, pktData]) File "/home/ubuntu/.local/lib/python3.6/site-packages/pybleno/hci_socket/Emit.py", line 17, in emit handler(*arguments) File "/home/ubuntu/.local/lib/python3.6/site-packages/pybleno/hci_socket/Bindings.py", line 169, in onAclDataPkt self._aclStream.push(cid, data) File "/home/ubuntu/.local/lib/python3.6/site-packages/pybleno/hci_socket/AclStream.py", line 18, in push self.emit('data', [cid, data]) File "/home/ubuntu/.local/lib/python3.6/site-packages/pybleno/hci_socket/Emit.py", line 17, in emit handler(*arguments) File "/home/ubuntu/.local/lib/python3.6/site-packages/pybleno/hci_socket/Gatt.py", line 228, in onAclStreamData self.handleRequest(data) File "/home/ubuntu/.local/lib/python3.6/site-packages/pybleno/hci_socket/Gatt.py", line 271, in handleRequest response = self.handleReadOrReadBlobRequest(request) File "/home/ubuntu/.local/lib/python3.6/site-packages/pybleno/hci_socket/Gatt.py", line 681, in handleReadOrReadBlobRequest callback(result, data) File "/home/ubuntu/.local/lib/python3.6/site-packages/pybleno/hci_socket/Gatt.py", line 620, in callback callbackResponse[1 + i] = data[i] TypeError: an integer is required (got type str) — You are receiving this because you are subscribed to this thread. Reply to this email directly, view it on GitHub <https://u2567673.ct.sendgrid.net/ls/click?upn=tqQDaGrBSQqIjEc4PHVNCytArFpG0wBWrxX8rj9l5vwuxnO-2Fx1Qp6YpGUPl3oCKw6D7FO8acisQ4NJV-2BEj1iBs0jhhd6pM4jggZCAN-2FlL9NzBdTCkEfYDR1nRi5cxPbxQaUM-2FZn5nwdiQAGX4idRxiCgQztlGy89a02YgSVBCvw4JtrPiX-2F1b5LS1g1-2ByGrt8ZnCnND7HfZfHkAXlcUjE3kfWTpxNliT0tbl9KCIDxuCTCmHi-2BewgOY4LPTtu7Q1qgiY9LkZ6s4wR8GektEf-2Fg-3D-3DJQ7v_U31jt5HgHBh7k3Grc5s4l2CaK8vlz0Mz3vk33oTst5V8UicD8LEunbMVjP2LiFk03ItHF-2BT0uzXit-2B3l6kNEDVS-2BYr0cXAo-2BfqkgRbZJ9s-2FGol956o9O9m6tLvdL1ypkwP814nqee9f3sMSR8PJge5kL6mX68yPZrqHw5-2BDCXOIk-2FkW6x5ltjWSTk14909T-2BjZcVNUBZHISY6NxYj0khs8vS0OomZIVE44xDqHyXEAeRyBA-2B9KGu-2F-2FlwIWMsGpmvL6wkskI-2F8zQg4cOsFgtWiXnHUzLnwP8OHj6voSYxV3g-3D>, or unsubscribe <https://u2567673.ct.sendgrid.net/ls/click?upn=tqQDaGrBSQqIjEc4PHVNC16Ei41ODE2E8fJSuorRJxmfrPbL8QxdihhdTrVyaU0-2BAa7WxqmylejDayK-2BHLAScyrvEFVRD9kD6PbwSioFUbMJnv9Yf-2FvT4-2B8oEEbwmVq2ketgz5IXJFd0rjWVWDxQhw-3D-3D_0Iw_U31jt5HgHBh7k3Grc5s4l2CaK8vlz0Mz3vk33oTst5V8UicD8LEunbMVjP2LiFk03ItHF-2BT0uzXit-2B3l6kNEDVS-2BYr0cXAo-2BfqkgRbZJ9s-2FGol956o9O9m6tLvdL1ypkTXO83jDFvljGpJbOXRGYNECT836IjcgRWNPxlGPsQkFHFCrNNc9iqmaUUb680WxCPagCRB-2FYz-2FUJkFDRpcjh4EH4SY6v2kZqFH1K9sxEatZl3YivLMjzZXcfWCHreVlfgiotwDURdZXG0c24KwhjaI1-2FkE0gcUuJvRnP9YIlAbA-3D> .

[FPSUsername]

I only used the onReadRequest funtion from the echo example. Apparently adding self._updateValueCallback = None fixed the issue.

I also tried using the callback method from the pizza example (onReadRequest) callback(Characteristic.RESULT_SUCCESS, data); but that gave me some errors regarding the data (I defined data the same way it has been set in the class itself).

Last problem is that the descriptor doesn't work unless I put the uuid and value into a dict. This however produces the same TypeError when doing a read request for the descriptor (which I tried with BLE Scanner)