blob: 54fef161fae12bc5e561df0d75bafb4ee5f5e1b4 [file] [log] [blame]
- Priority scale: High, Medium and Low
- Complexity scale: C1, C2, C4 and C8. The complexity scale is exponential,
with complexity 1 being the lowest complexity. Complexity is a function
of both task 'complexity' and task 'scope'.
The general rule of thumb is that a complexity 1 task should take 1-2 weeks
for a person very familiar with BlueZ codebase. Higher complexity tasks
require more time and have higher uncertainty.
Higher complexity tasks should be refined into several lower complexity tasks
once the task is better understood.
Low Energy
- Avoid Characteristic discovery for non connectable devices. Proper parsing
of LE Advertising Report Event is missing. Event_Type field needs to be
extracted and its value shall be considered before to start the LE
connection on the channel 4. Characteristic discovery should not be
started for non connectable devices.
Priority: Medium
Complexity: C2
- Advertising management. Adapter interface needs to be changed to manage
connection modes, adapter type and advertising policy. See Volume 3,
Part C, section 9.3. If Attribute Server is enabled the LE capable
adapter shall to start advertising. Further investigation is necessary
to define which connectable mode needs to be supported: Non-connectable,
directed connectable and undirected connectable. Basically, two connectable
scenarios shall be addressed:
1. GATT client is disconnected, but intends to become a Peripheral to
receive indications/notifications.
2. GATT server intends to accept connections.
Priority: Medium
Complexity: C2
- Define Auto Connection Establishment Procedure. Some profiles such as
Proximity requires an active link to identify path lost situation. It is
necessary to define how to manage connections, it seems that White List
is appropriated to address auto connections, however is not clear if the
this procedure shall be a profile specific detail or if the remote device
object can expose a property "WhiteList", maybe "Trusted" property can be
also used for this purpose. Another alternative is to define a method to
allow application to request/register the wanted scanning/connection
parameters. Before start this task, a RFC/PATCH shall be sent to the ML.
See Volume 3, Part C, section 9.3.5 for more information.
Priority: Medium
Complexity: C2
- Device Name Characteristic is a GAP characteristic for Low Energy. This
characteristic shall be integrated/used in the discovery procedure. The
ideia is to report the value of this characteristic using DeviceFound signals.
Discussion with the community is needed before to start this task. Other GAP
characteristics for LE needs to follow a similar approach. It is not clear
if all GAP characteristics can be exposed using properties instead of a primary
service characteristics.
See Volume 3, Part C, section 12.1 for more information.
Priority: Low
Complexity: C2
- Add ATT/GATT parsing to hcidump
Priority: Medium
Complexity: C2
- GATT server: fix MTU exchange
Priority: Medium
Complexity: C2
- gatttool: add an interactive command prompt mode. Many LE devices
expect the connection to stay up a long time and disable advertising
after a disconnection so it's inconvenient to use gatttool in the
current "single operation at a time" mode.
Priority: Medium
Complexity: C2
- gatttool should have the ability to wait for req responses before
quitting (some servers require a small sleep even with cmd's). Maybe a
--delay-exit or --timeout command line switch.
Priority: Low
Complexity: C1
- Client needs to export a property in the Device Characteristic hierarchy
to manage characteristic value changes reports in the remote device.
Currently, Client Characteristic Configuration attribute is not exposed
as an object. The user needs to use gatttool to change the value of the
this attribute to receive notification/indications. Export this attribute
as a property is a proposal that needs further discussion.
Priority: Low
Complexity: C1
- Attribute server should process queued GATT/ATT commands if the
client disconnects. The client can simply send a command and quit,
without wait for a response(ex: Write Command). For this scenario
that the client disconnects the link quickly the queued received
command is ignored.
Priority: Low
Complecity: C1
- Add sdp discovery support to gattool with BR (--sdp, default is 0x1f)
Priority: Low
Complexity: C1
- Implement Server characteristic Configuration support in the attribute
server to manage characteristic value broadcasting. There is a single
instance of the Server Characteristic Configuration for all clients.
See Volume 3, Part G, section for more information.
Priority: Low
Complexity: C1
- Long reads/writes don't work (consisting of multiple request packets)
Priority: Low
Complexity: C2
- Implement Client Characteristic Configuration support in the attribute
server to manage indications and notications. This is a per client attribute
to control how the client wants to receive reports of changes in a given
characteristic value.
See Volume 3, Part G, section for more information
Priority: Low
Complexity: C2
- Define attribute server API. External applications needs to register,
change attributes and to be notified about changes. Example: Proximity,
Time and Alert Profiles. "Local Service hierarchy" in the attribute-api
needs to be proposed and a RFC shall be sent to the ML.
Priority: Low
Complexity: C2
- gattrib needs to be extended to handle Attribute Protocol Transactions
timeout. See Volume 3, Part F, section 3.3.3 and Part G, section 4.14
for more information.
Priority: Low
Complexity: C2