gatt_client_discover_characteristics_for_handle_range_by_uuid16() function

The following four functions are used to discover all characteristics within the specified service or handle range, and return those that match the given UUID. For each found characteristic a GATT_EVENT_CHARACTERISTIC_QUERY_RESULT event will emitted. The GATT_EVENT_QUERY_COMPLETE event marks the end of discovery.

Syntax

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Declaration

Definition

from gatt_client.h:466

uint8_t gatt_client_discover_characteristics_for_handle_range_by_uuid16(btstack_packet_handler_t callback, hci_con_handle_t con_handle, uint16_t start_handle, uint16_t end_handle, uint16_t uuid16);

Implemented in gatt_client.c:2352

Arguments

Argument

callback

con_handle

start_handle

end_handle

uuid16

Return value

status BTSTACK_MEMORY_ALLOC_FAILED, if no GATT client for con_handle is found GATT_CLIENT_IN_WRONG_STATE , if GATT client is not ready ERROR_CODE_SUCCESS , if query is successfully registered

Examples

References

from examples

gatt_client_discover_characteristics_for_handle_range_by_uuid16() function

Syntax

Arguments

Return value

Examples

References

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