ble_gap_adv_start() function

The type of address the stack should use for itself. Valid values are: - BLE_OWN_ADDR_PUBLIC - BLE_OWN_ADDR_RANDOM - BLE_OWN_ADDR_RPA_PUBLIC_DEFAULT - BLE_OWN_ADDR_RPA_RANDOM_DEFAULT

The peer's address for directed advertising. This parameter shall be non-NULL if directed advertising is being used.

The duration of the advertisement procedure. On expiration, the procedure ends and a BLE_GAP_EVENT_ADV_COMPLETE event is reported. Units are milliseconds. Specify BLE_HS_FOREVER for no expiration.

Additional arguments specifying the particulars of the advertising procedure.

The callback to associate with this advertising procedure. If advertising ends, the event is reported through this callback. If advertising results in a connection, the connection inherits this callback as its event-reporting mechanism.

The optional argument to pass to the callback function.