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Dependents: BLE_Acceleration_Statejudging
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Diff: nordic/nrf-sdk/ble/ble_services/ble_ans_c.h
- Revision:
- 37:c29c330d942c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/nordic/nrf-sdk/ble/ble_services/ble_ans_c.h Mon Jul 07 13:43:31 2014 +0100 @@ -0,0 +1,351 @@ +/* Copyright (c) 2012 Nordic Semiconductor. All Rights Reserved. + * + * The information contained herein is property of Nordic Semiconductor ASA. + * Terms and conditions of usage are described in detail in NORDIC + * SEMICONDUCTOR STANDARD SOFTWARE LICENSE AGREEMENT. + * + * Licensees are granted free, non-transferable use of the information. NO + * WARRANTY of ANY KIND is provided. This heading must NOT be removed from + * the file. + */ + +/** @file + * + * @defgroup ble_sdk_srv_ans_c Alert Notification Service Client + * @{ + * @ingroup ble_sdk_srv + * @brief Alert Notification module. + * + * @details This module implements the Alert Notification Client according to the + * Alert Notification Profile. + * + * @note The application must propagate BLE stack events to the Alert Notification Client module + * by calling ble_ans_c_on_ble_evt() from the from the @ref ble_stack_handler callback. + * + * @note Attention! + * To maintain compliance with Nordic Semiconductor ASA Bluetooth profile + * qualification listings, this section of source code must not be modified. + */ +#ifndef BLE_ANS_C_H__ +#define BLE_ANS_C_H__ + +#include "ble.h" +#include "ble_gatts.h" +#include "ble_types.h" +#include "ble_srv_common.h" +#include "device_manager.h" + +#define ANS_NB_OF_CHARACTERISTICS 5 /**< Number of characteristics as defined by Alert Notification Service specification. */ +#define ANS_NB_OF_SERVICES 1 /**< Number of services supported in one central. */ +#define INVALID_SERVICE_HANDLE_BASE 0xF0 /**< Base for indicating invalid service handle. */ +#define INVALID_SERVICE_HANDLE (INVALID_SERVICE_HANDLE_BASE + 0x0F) /**< Indication that the current service handle is invalid. */ +#define INVALID_SERVICE_HANDLE_DISC (INVALID_SERVICE_HANDLE_BASE + 0x0E) /**< Indication that the current service handle is invalid but the service has been discovered. */ +#define BLE_ANS_INVALID_HANDLE 0xFF /**< Indication that the current service handle is invalid. */ + +// Forward declaration of the ble_ans_c_t type. +typedef struct ble_ans_c_s ble_ans_c_t; + +/** Alerts types as defined in the alert category id; UUID: 0x2A43. */ +typedef enum +{ + ANS_TYPE_SIMPLE_ALERT = 0, /**< General text alert or non-text alert.*/ + ANS_TYPE_EMAIL = 1, /**< Alert when email messages arrives.*/ + ANS_TYPE_NEWS = 2, /**< News feeds such as RSS, Atom.*/ + ANS_TYPE_NOTIFICATION_CALL = 3, /**< Incoming call.*/ + ANS_TYPE_MISSED_CALL = 4, /**< Missed call.*/ + ANS_TYPE_SMS_MMS = 5, /**< SMS/MMS message arrives.*/ + ANS_TYPE_VOICE_MAIL = 6, /**< Voice mail.*/ + ANS_TYPE_SCHEDULE = 7, /**< Alert occurred on calendar, planner.*/ + ANS_TYPE_HIGH_PRIORITIZED_ALERT = 8, /**< Alert that should be handled as high priority.*/ + ANS_TYPE_INSTANT_MESSAGE = 9, /**< Alert for incoming instant messages.*/ + ANS_TYPE_ALL_ALERTS = 0xFF /**< Identifies All Alerts. */ +} ble_ans_category_id_t; + +/** Alerts notification control point commands as defined in the Alert Notification Specification; + * UUID: 0x2A44. + */ +typedef enum +{ + ANS_ENABLE_NEW_INCOMING_ALERT_NOTIFICATION = 0, /**< Enable New Incoming Alert Notification.*/ + ANS_ENABLE_UNREAD_CATEGORY_STATUS_NOTIFICATION = 1, /**< Enable Unread Category Status Notification.*/ + ANS_DISABLE_NEW_INCOMING_ALERT_NOTIFICATION = 2, /**< Disable New Incoming Alert Notification.*/ + ANS_DISABLE_UNREAD_CATEGORY_STATUS_NOTIFICATION = 3, /**< Disable Unread Category Status Notification.*/ + ANS_NOTIFY_NEW_INCOMING_ALERT_IMMEDIATELY = 4, /**< Notify New Incoming Alert immediately.*/ + ANS_NOTIFY_UNREAD_CATEGORY_STATUS_IMMEDIATELY = 5, /**< Notify Unread Category Status immediately.*/ +} ble_ans_command_id_t; + +/**@brief Alert Notification Event types that are passed from client to application on an event. */ +typedef enum +{ + BLE_ANS_C_EVT_DISCOVER_COMPLETE, /**< A successful connection has been established and the characteristics of the server has been fetched. */ + BLE_ANS_C_EVT_DISCOVER_FAILED, /**< It was not possible to discover service or characteristics of the connected peer. */ + BLE_ANS_C_EVT_RECONNECT, /**< A re-connection to a known and previously discovered central has occurred. */ + BLE_ANS_C_EVT_DISCONN_COMPLETE, /**< The connection has been taken down. */ + BLE_ANS_C_EVT_NOTIFICATION, /**< A valid Alert Notification has been received from the server.*/ + BLE_ANS_C_EVT_READ_RESP, /**< A read response has been received from the server.*/ + BLE_ANS_C_EVT_WRITE_RESP /**< A write response has been received from the server.*/ +} ble_ans_c_evt_type_t; + +/**@brief Alert Notification Control Point structure. */ +typedef struct +{ + ble_ans_command_id_t command; /**< The command to be written to the control point, see @ref ble_ans_command_id_t. */ + ble_ans_category_id_t category; /**< The category for the control point for which the command applies, see @ref ble_ans_category_id_t. */ +} ble_ans_control_point_t; + +/**@brief Alert Notification Setting structure containing the supported alerts in the service. + * + *@details + * The structure contains bit fields describing which alerts that are supported: + * 0 = Unsupported + * 1 = Supported + */ +typedef struct +{ + uint8_t ans_simple_alert_support : 1; /**< Support for General text alert or non-text alert.*/ + uint8_t ans_email_support : 1; /**< Support for Alert when email messages arrives.*/ + uint8_t ans_news_support : 1; /**< Support for News feeds such as RSS, Atom.*/ + uint8_t ans_notification_call_support : 1; /**< Support for Incoming call.*/ + uint8_t ans_missed_call_support : 1; /**< Support for Missed call.*/ + uint8_t ans_sms_mms_support : 1; /**< Support for SMS/MMS message arrives.*/ + uint8_t ans_voice_mail_support : 1; /**< Support for Voice mail.*/ + uint8_t ans_schedule_support : 1; /**< Support for Alert occurred on calendar, planner.*/ + uint8_t ans_high_prioritized_alert_support : 1; /**< Support for Alert that should be handled as high priority.*/ + uint8_t ans_instant_message_support : 1; /**< Support for Alert for incoming instant messages.*/ + uint8_t reserved : 6; /**< Reserved for future use. */ +} ble_ans_alert_settings_t; + +/**@brief Alert Notification structure + */ +typedef struct +{ + uint8_t alert_category; /**< Alert category to which this alert belongs.*/ + uint8_t alert_category_count; /**< Number of alerts in the category. */ + uint32_t alert_msg_length; /**< Length of optional text message send by the server. */ + uint8_t * p_alert_msg_buf; /**< Pointer to buffer containing the optional text message. */ +} ble_ans_alert_notification_t; + +/**@brief Alert Notification Event structure + * + * @details The structure contains the event that should be handled, as well as + * additional information. + */ +typedef struct +{ + ble_ans_c_evt_type_t evt_type; /**< Type of event. */ + ble_uuid_t uuid; /**< UUID of the event in case of an alert or notification. */ + union + { + ble_ans_alert_settings_t settings; /**< Setting returned from server on read request. */ + ble_ans_alert_notification_t alert; /**< Alert Notification data sent by the server. */ + uint32_t error_code; /**< Additional status/error code if the event was caused by a stack error or gatt status, e.g. during service discovery. */ + } data; +} ble_ans_c_evt_t; + +/**@brief Alert Notification event handler type. */ +typedef void (*ble_ans_c_evt_handler_t) (ble_ans_c_evt_t * p_evt); + +/**@brief Alert Notification structure. This contains various status information for the client. */ +typedef struct ble_ans_c_s +{ + ble_ans_c_evt_handler_t evt_handler; /**< Event handler to be called for handling events in the Alert Notification Client Application. */ + ble_srv_error_handler_t error_handler; /**< Function to be called in case of an error. */ + uint16_t conn_handle; /**< Handle of the current connection (as provided by the BLE stack, is BLE_CONN_HANDLE_INVALID if not in a connection). */ + uint8_t central_handle; /**< Handle for the currently connected central if peer is bonded. */ + uint8_t service_handle; /**< Handle to the service in the database to use for this instance. */ + uint32_t message_buffer_size; /**< Size of message buffer to hold the additional text messages received on notifications. */ + uint8_t * p_message_buffer; /**< Pointer to the buffer to be used for additional text message handling. */ +} ble_ans_c_t; + +/**@brief Alert Notification init structure. This contains all options and data needed for + * initialization of the client.*/ +typedef struct +{ + ble_ans_c_evt_handler_t evt_handler; /**< Event handler to be called for handling events in the Battery Service. */ + ble_srv_error_handler_t error_handler; /**< Function to be called in case of an error. */ + uint32_t message_buffer_size; /**< Size of buffer to handle messages. */ + uint8_t * p_message_buffer; /**< Pointer to buffer for passing messages. */ +} ble_ans_c_init_t; + + +/**@brief Function for handling the Application's BLE Stack events. + * + * @details Handles all events from the BLE stack of interest to the Alert Notification Client. + * + * @param[in] p_ans Alert Notification Client structure. + * @param[in] p_ble_evt Event received from the BLE stack. + */ +void ble_ans_c_on_ble_evt(ble_ans_c_t * p_ans, const ble_evt_t * p_ble_evt); + + +/**@brief Function for handling the Alert Notification Client - Device Manager Event. + * + * @details Handles all events from the Bond Manager of interest to the Alert Notification Client. + * The Alert Notification Client will use the events of re-connection to existing central + * and creation of new bonds for handling of service discovery and writing of the Alert + * Notification Control Point for re-send of New Alert and Unread Alert notifications. + * + * @param[in] p_ans Alert Notification Client structure. + * @param[in] p_bond_mgmr_evt Event received from the Bond Manager. + */ +void ble_ans_c_on_device_manager_evt(ble_ans_c_t * p_ans, + dm_handle_t const * p_handle, + dm_event_t const * p_dm_evt); + + +/**@brief Function for initializing the Alert Notification Client. + * + * @param[out] p_ans Alert Notification Client structure. This structure will have to be + * supplied by the application. It will be initialized by this function, + * and will later be used to identify this particular client instance. + * @param[in] p_ans_init Information needed to initialize the client. + * + * @return NRF_SUCCESS on successful initialization of client, otherwise an error code. + */ +uint32_t ble_ans_c_init(ble_ans_c_t * p_ans, const ble_ans_c_init_t * p_ans_init); + + +/**@brief Function for writing the to CCCD to enable new alert notifications from the Alert Notification Service. + * + * @param[in] p_ans Alert Notification structure. This structure will have to be supplied by + * the application. It identifies the particular client instance to use. + * + * @return NRF_SUCCESS on successful writing of the CCCD, otherwise an error code. + */ +uint32_t ble_ans_c_enable_notif_new_alert(const ble_ans_c_t * p_ans); + + +/**@brief Function for writing to the CCCD to enable unread alert notifications from the Alert Notification Service. + * + * @param[in] p_ans Alert Notification structure. This structure will have to be supplied by + * the application. It identifies the particular client instance to use. + * + * @return NRF_SUCCESS on successful writing of the CCCD, otherwise an error code. + */ +uint32_t ble_ans_c_enable_notif_unread_alert(const ble_ans_c_t * p_ans); + + +/**@brief Function for writing to the CCCD to disable new alert notifications from the Alert Notification Service. + * + * @param[in] p_ans Alert Notification structure. This structure will have to be supplied by + * the application. It identifies the particular client instance to use. + * + * @return NRF_SUCCESS on successful writing of the CCCD, otherwise an error code. + */ +uint32_t ble_ans_c_disable_notif_new_alert(const ble_ans_c_t * p_ans); + + +/**@brief Function for writing to the CCCD to disable unread alert notifications from the Alert Notification Service. + * + * @param[in] p_ans Alert Notification structure. This structure will have to be supplied by + * the application. It identifies the particular client instance to use. + * + * @return NRF_SUCCESS on successful writing of the CCCD, otherwise an error code. + */ +uint32_t ble_ans_c_disable_notif_unread_alert(const ble_ans_c_t * p_ans); + + +/**@brief Function for writing to the Alert Notification Control Point to specify alert notification behavior in the + * Alert Notification Service on the Central. + * + * @param[in] p_ans Alert Notification structure. This structure will have to be + * supplied by the application. It identifies the particular client + * instance to use. + * @param[in] p_control_point Alert Notification Control Point structure. This structure + * specifies the values to write to the Alert Notification Control + * Point, UUID 0x2A44. + * + * @return NRF_SUCCESS on successful writing of the Control Point, otherwise an error code. + */ +uint32_t ble_ans_c_control_point_write(const ble_ans_c_t * p_ans, + const ble_ans_control_point_t * p_control_point); + + +/**@brief Function for reading the Supported New Alert characteristic value of the service. + * The value describes the alerts supported in the central. + * + * @param[in] p_ans Alert Notification structure. This structure will have to be supplied by + * the application. It identifies the particular client instance to use. + * + * @return NRF_SUCCESS on successful transmission of the read request, otherwise an error code. + */ +uint32_t ble_ans_c_new_alert_read(const ble_ans_c_t * p_ans); + + +/**@brief Function for reading the Supported Unread Alert characteristic value of the service. + * The value describes the alerts supported in the central. + * + * @param[in] p_ans Alert Notification structure. This structure will have to be supplied by + * the application. It identifies the particular client instance to use. + * + * @return NRF_SUCCESS on successful transmission of the read request, otherwise an error code. + */ +uint32_t ble_ans_c_unread_alert_read(const ble_ans_c_t * p_ans); + + +/**@brief Function for requesting the peer to notify the New Alert characteristics immediately. + * + * @param[in] p_ans Alert Notification structure. This structure will have to be supplied by + * the application. It identifies the particular client instance to use. + * @param[in] category The category ID for which the peer should notify the client. + * + * @return NRF_SUCCESS on successful transmission of the read request, otherwise an error code. + */ +uint32_t ble_ans_c_new_alert_notify(const ble_ans_c_t * p_ans, ble_ans_category_id_t category); + + +/**@brief Function for requesting the peer to notify the Unread Alert characteristics immediately. + * + * @param[in] p_ans Alert Notification structure. This structure will have to be supplied by + * the application. It identifies the particular client instance to use. + * @param[in] category The category ID for which the peer should notify the client. + * + * @return NRF_SUCCESS on successful transmission of the read request, otherwise an error code. + */ +uint32_t ble_ans_c_unread_alert_notify(const ble_ans_c_t * p_ans, ble_ans_category_id_t category); + + +/**@brief Function for loading previous discovered service and characteristic handles for bonded centrals from + * flash into RAM. + * + * @details Read the database of all discovered service and characteristic handles from flash. + * If the flash does not contain any valid data, the array of discovered service handles in + * RAM will be empty. + * + * @param[in] p_ans Alert Notification structure. This structure will have to be supplied by the + * application. It identifies the particular client instance to use. + * + * @note Currently the Alert Notification Client uses only one page in flash. + * + * @return NRF_SUCCESS if all operations went successfully, an error_code otherwise. + */ +uint32_t ble_ans_c_service_load(const ble_ans_c_t * p_ans); + + +/**@brief Function for storing discovered service and characteristic handles for bonded centrals into flash memory. + * + * @details This function will erase the flash page (if the data to store + * are diferent than the one already stored) and then write into flash. Those + * operations could prevent the radio to run. + * + * @note Do not call this function while in a connection or when advertising. If you do, the + * behavior is undefined. + * + * @return NRF_SUCCESS if all operations went successfully, an error_code otherwise. + */ +uint32_t ble_ans_c_service_store(void); + + +/**@brief Function for deleting the Alert Notification Client database from flash. + * + * @details After calling this function you should call ble_ans_c_init(...) to re-initialize + * the RAM database. + * + * @return NRF_SUCCESS if all operations went successfully. + */ +uint32_t ble_ans_c_service_delete(void); + +#endif // BLE_ANS_C_H__ + +/** @} */ +