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Diffstat (limited to 'thirdparty/nRF5_SDK_15.0.0_a53641a/components/ble/ble_services/ble_bas_c/ble_bas_c.h')
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diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/ble/ble_services/ble_bas_c/ble_bas_c.h b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/ble/ble_services/ble_bas_c/ble_bas_c.h new file mode 100644 index 0000000..10eb126 --- /dev/null +++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/ble/ble_services/ble_bas_c/ble_bas_c.h @@ -0,0 +1,274 @@ +/** + * Copyright (c) 2012 - 2018, Nordic Semiconductor ASA + * + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form, except as embedded into a Nordic + * Semiconductor ASA integrated circuit in a product or a software update for + * such product, must reproduce the above copyright notice, this list of + * conditions and the following disclaimer in the documentation and/or other + * materials provided with the distribution. + * + * 3. Neither the name of Nordic Semiconductor ASA nor the names of its + * contributors may be used to endorse or promote products derived from this + * software without specific prior written permission. + * + * 4. This software, with or without modification, must only be used with a + * Nordic Semiconductor ASA integrated circuit. + * + * 5. Any software provided in binary form under this license must not be reverse + * engineered, decompiled, modified and/or disassembled. + * + * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS + * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ +/**@file + * + * @defgroup ble_bas_c Battery Service Client + * @{ + * @ingroup ble_sdk_srv + * @brief Battery Service Client module. + * + * @details This module contains APIs to read and interact with the Battery Service of a remote + * device. + * + * @note The application must register this module as BLE event observer using the + * NRF_SDH_BLE_OBSERVER macro. Example: + * @code + * ble_bas_c_t instance; + * NRF_SDH_BLE_OBSERVER(anything, BLE_BAS_C_BLE_OBSERVER_PRIO, + * ble_bas_c_on_ble_evt, &instance); + * @endcode + */ + +#ifndef BLE_BAS_C_H__ +#define BLE_BAS_C_H__ + +#include <stdint.h> +#include "ble.h" +#include "ble_db_discovery.h" +#include "nrf_sdh_ble.h" + +#ifdef __cplusplus +extern "C" { +#endif + +/**@brief Macro for defining a ble_bas_c instance. + * + * @param _name Name of the instance. + * @hideinitializer + */ +#define BLE_BAS_C_DEF(_name) \ +static ble_bas_c_t _name; \ +NRF_SDH_BLE_OBSERVER(_name ## _obs, \ + BLE_BAS_C_BLE_OBSERVER_PRIO, \ + ble_bas_c_on_ble_evt, &_name) + +/** @brief Macro for defining multiple ble_bas_c instances. + * + * @param _name Name of the array of instances. + * @param _cnt Number of instances to define. + * @hideinitializer + */ +#define BLE_BAS_C_ARRAY_DEF(_name, _cnt) \ +static ble_bas_c_t _name[_cnt]; \ +NRF_SDH_BLE_OBSERVERS(_name ## _obs, \ + BLE_BAS_C_BLE_OBSERVER_PRIO, \ + ble_bas_c_on_ble_evt, &_name, _cnt) + +/** + * @defgroup bas_c_enums Enumerations + * @{ + */ + +/**@brief Battery Service Client event type. */ +typedef enum +{ + BLE_BAS_C_EVT_DISCOVERY_COMPLETE, /**< Event indicating that the Battery Service has been discovered at the peer. */ + BLE_BAS_C_EVT_BATT_NOTIFICATION, /**< Event indicating that a notification of the Battery Level characteristic has been received from the peer. */ + BLE_BAS_C_EVT_BATT_READ_RESP /**< Event indicating that a read response on Battery Level characteristic has been received from peer. */ +} ble_bas_c_evt_type_t; + +/** @} */ + +/** + * @defgroup bas_c_structs Structures + * @{ + */ + +/**@brief Structure containing the handles related to the Battery Service found on the peer. */ +typedef struct +{ + uint16_t bl_cccd_handle; /**< Handle of the CCCD of the Battery Level characteristic. */ + uint16_t bl_handle; /**< Handle of the Battery Level characteristic as provided by the SoftDevice. */ +} ble_bas_c_db_t; + +/**@brief Battery Service Client Event structure. */ +typedef struct +{ + ble_bas_c_evt_type_t evt_type; /**< Event Type. */ + uint16_t conn_handle; /**< Connection handle relevent to this event.*/ + union + { + ble_bas_c_db_t bas_db; /**< Battery Service related handles found on the peer device. This will be filled if the evt_type is @ref BLE_BAS_C_EVT_DISCOVERY_COMPLETE.*/ + uint8_t battery_level; /**< Battery level received from peer. This field will be used for the events @ref BLE_BAS_C_EVT_BATT_NOTIFICATION and @ref BLE_BAS_C_EVT_BATT_READ_RESP.*/ + } params; +} ble_bas_c_evt_t; + +/** @} */ + +/** + * @defgroup bas_c_types Types + * @{ + */ + +// Forward declaration of the ble_bas_t type. +typedef struct ble_bas_c_s ble_bas_c_t; + +/**@brief Event handler type. + * + * @details This is the type of the event handler that should be provided by the application + * of this module in order to receive events. + */ +typedef void (* ble_bas_c_evt_handler_t) (ble_bas_c_t * p_bas_bas_c, ble_bas_c_evt_t * p_evt); + +/** @} */ + +/** + * @addtogroup bas_c_structs + * @{ + */ + +/**@brief Battery Service Client structure. */ +struct ble_bas_c_s +{ + uint16_t conn_handle; /**< Connection handle as provided by the SoftDevice. */ + ble_bas_c_db_t peer_bas_db; /**< Handles related to BAS on the peer*/ + ble_bas_c_evt_handler_t evt_handler; /**< Application event handler to be called when there is an event related to the Battery service. */ +}; + +/**@brief Battery Service Client initialization structure. */ +typedef struct +{ + ble_bas_c_evt_handler_t evt_handler; /**< Event handler to be called by the Battery Service Client module whenever there is an event related to the Battery Service. */ +} ble_bas_c_init_t; + +/** @} */ + +/** + * @defgroup bas_c_functions Functions + * @{ + */ + +/**@brief Function for initializing the Battery Service Client module. + * + * @details This function will initialize the module and set up Database Discovery to discover + * the Battery Service. After calling this function, call @ref ble_db_discovery_start + * to start discovery once a link with a peer has been established. + * + * @param[out] p_ble_bas_c Pointer to the Battery Service client structure. + * @param[in] p_ble_bas_c_init Pointer to the Battery Service initialization structure containing + * the initialization information. + * + * @retval NRF_SUCCESS Operation success. + * @retval NRF_ERROR_NULL A parameter is NULL. + * Otherwise, an error code returned by @ref ble_db_discovery_evt_register. + */ +uint32_t ble_bas_c_init(ble_bas_c_t * p_ble_bas_c, ble_bas_c_init_t * p_ble_bas_c_init); + + +/**@brief Function for handling BLE events from the SoftDevice. + * + * @details This function will handle the BLE events received from the SoftDevice. If the BLE + * event is relevant for the Battery Service Client module, then it is used to update + * interval variables and, if necessary, send events to the application. + * + * @note This function must be called by the application. + * + * @param[in] p_ble_evt Pointer to the BLE event. + * @param[in] p_context Pointer to the Battery Service client structure. + */ +void ble_bas_c_on_ble_evt(ble_evt_t const * p_ble_evt, void * p_context); + + +/**@brief Function for enabling notifications on the Battery Level characteristic. + * + * @details This function will enable to notification of the Battery Level characteristic at the + * peer by writing to the CCCD of the Battery Level Characteristic. + * + * @param p_ble_bas_c Pointer to the Battery Service client structure. + * + * @retval NRF_SUCCESS If the SoftDevice has been requested to write to the CCCD of the peer. + * NRF_ERROR_NULL Parameter is NULL. + * Otherwise, an error code returned by the SoftDevice API @ref + * sd_ble_gattc_write. + */ +uint32_t ble_bas_c_bl_notif_enable(ble_bas_c_t * p_ble_bas_c); + + +/**@brief Function for reading the Battery Level characteristic. + * + * @param p_ble_bas_c Pointer to the Battery Service client structure. + * + * @retval NRF_SUCCESS If the read request was successfully queued to be sent to peer. + */ +uint32_t ble_bas_c_bl_read(ble_bas_c_t * p_ble_bas_c); + + +/**@brief Function for handling events from the database discovery module. + * + * @details Call this function when getting a callback event from the DB discovery modue. + * This function will handle an event from the database discovery module, and determine + * if it relates to the discovery of Battery service at the peer. If so, it will + * call the application's event handler indicating that the Battery service has been + * discovered at the peer. It also populates the event with the service related + * information before providing it to the application. + * + * @param p_ble_bas_c Pointer to the Battery Service client structure. + * @param[in] p_evt Pointer to the event received from the database discovery module. + * + */ +void ble_bas_on_db_disc_evt(ble_bas_c_t * p_ble_bas_c, ble_db_discovery_evt_t const * p_evt); + + +/**@brief Function for assigning handles to a this instance of bas_c. + * + * @details Call this function when a link has been established with a peer to + * associate this link to this instance of the module. This makes it + * possible to handle several link and associate each link to a particular + * instance of this module. The connection handle and attribute handles will be + * provided from the discovery event @ref BLE_BAS_C_EVT_DISCOVERY_COMPLETE. + * + * @param[in] p_ble_bas_c Pointer to the Battery client structure instance to associate. + * @param[in] conn_handle Connection handle to associated with the given Battery Client Instance. + * @param[in] p_peer_handles Attribute handles on the BAS server you want this BAS client to + * interact with. + */ +uint32_t ble_bas_c_handles_assign(ble_bas_c_t * p_ble_bas_c, + uint16_t conn_handle, + ble_bas_c_db_t * p_peer_handles); + +/** @} */ // End tag for Function group. + +#ifdef __cplusplus +} +#endif + +#endif // BLE_BAS_C_H__ + +/** @} */ // End tag for the file. |