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Raspberry Pi Pico SDK and Examples![]()
Bluetooth LE Stack![]()
gatt_client_request_to_send_gatt_query()
gatt_client_request_to_send_gatt_query() function
Request callback when regular gatt query can be sent
Syntax
uint8_t gatt_client_request_to_send_gatt_query(btstack_context_callback_registration_t * callback_registration,
hci_con_handle_t con_handle);
Implemented in ![]()
gatt_client.c:2840
Return value
ERROR_CODE_SUCCESS if ok, ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER if handle unknown, and ERROR_CODE_COMMAND_DISALLOWED if callback already registered
Notes
callback might happen during call to this function
Related Functions
Found 9 other functions taking a ![]()
btstack_context_callback_registration_t
argument:
Function
Description
Request callback when sending is possible
Request callback when sending notifcation is possible
Registers callback with run loop and mark main thread as ready
Request callback when writing characteristic value without response is possible
@bried Add Callbacks to list of callbacks to execute with btstack_run_loop_base_execute_callbacks
Request callback when sending indication is possible
Queue send request. When called, one packet can be send via nordic_spp_service_send below
Queue send request. When called, one packet can be send via ublox_spp_service_send below
Requests a callback, when the SDP Client is ready and can be used