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MindMap Gallery Software development-MM-earbud-registration and message-driven mechanism

Software development-MM-earbud-registration and message-driven mechanism

Qualcomm earbud SDK learning framework and knowledge, Qualcomm earbud SDK is a software development kit (SDK) provided by Qualcomm for developers to develop wireless earbud devices (such as true wireless headphones).

Edited at 2023-11-30 22:47:07

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Software development-MM-earbud-registration and message-driven mechanism

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message registration

Injection method

Way 1

Directly register the client pointer or client_list pointer of the task

The message is sent to the task pointed to by the client pointer

Example: Charger_ClientRegister

Way 2

The message is sent to the task corresponding to the message group ID within the message group.

Example: Ui_RegisterUiInputConsumer callback chargerMonitor_RegisterMessageGroup registration function to focus on a message group

ui.c

Define static registry: MESSAGE_BROKER_GROUP_REGISTRATION_MAKE(group_name, Ui_RegisterUiInputsMessageGroup, NULL);

ui_inputs message registration and reception

ui_input_consumers_task_list

Record registered client tasks

Ui_RegisterUiInputConsumer

MessageBroker_RegisterInterestInMsgGroups

Task registration interface, query broker registry, callback Ui_RegisterUiInputsMessageGroup

Ui_RegisterUiInputsMessageGroup

Execute Ui_RegisterUiInputConsumer registration requirements to complete the registration

ui_SendUiInputToConsumerGroupTaskList

Send message to client task

ui provider

registered_ui_providers

Record the provider ID and its callback function to obtain status

Ui_RegisterUiProvider

The function module registers its own task and status acquisition callback functions

Ui_GetUiProviderContext

Get status based on provider ID callback status get function

audio_curation.c

Define a static registry: MESSAGE_BROKER_GROUP_REGISTRATION_MAKE(AUDIO_CURATION_SERVICE, audioCuration_RegisterMessageGroup, NULL);

UI consumer

LED context registration implements attention to UI context

API functions

ui_provider_context_consumers

Record client task and ui provider in pairs

Ui_RegisterContextConsumers

The consumer task is registered to ui_provider_context_consumers as client task and ui provider ID.

Ui_InformContextChange

Send the ui provider ID and its status to the task in the registered ui_provider_context_consumers

The Led module calls the registration interface to register all ui provider IDs and Led module tasks in the configuration table to ui_provider_context_consumers

Registration process

UiLeds_SetLedConfiguration

UiIndicator_RegisterInterestInConfiguredProviderContexts

Ui_RegisterContextConsumers

Query broker static registry registration->ui consumer event registration and reception UiLeds_SetLedConfiguration UiPrompts_SetPromptConfiguration UiTones_SetToneConfiguration

audioCuration

client_task_list

UiIndicator_RegisterInterestInConfiguredSystemEvents

MessageBroker_RegisterInterestInMsgGroups

audioCuration_RegisterMessageGroup

audioCuration_SendEvent

Charger

charger_client_tasks

UiIndicator_RegisterInterestInConfiguredSystemEvents

MessageBroker_RegisterInterestInMsgGroups

chargerMonitor_RegisterMessageGroup

Charger_ClientRegister

Charger_ClientRegister is called back by the broker and is also directly called by other function modules.

Charger_NotifyClients

The function module opens the registration API interface for ui consumer task to call and implement. The ui consumer task is registered as a client task in the client task list of the task to which the event belongs in its configuration table to receive function module task messages.

Registration process

UiIndicator_RegisterInterestInConfiguredReminderSystemEvents

UiIndicator_RegisterInterestInConfiguredSystemEvents

MessageBroker_RegisterInterestInMsgGroups

Query Broker static registry