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Diffstat (limited to 'thirdparty/nRF5_SDK_15.0.0_a53641a/components/ble/ble_services/ble_hids/ble_hids.h')
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diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/ble/ble_services/ble_hids/ble_hids.h b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/ble/ble_services/ble_hids/ble_hids.h new file mode 100644 index 0000000..d53de82 --- /dev/null +++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/ble/ble_services/ble_hids/ble_hids.h @@ -0,0 +1,430 @@ +/** + * 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_hids Human Interface Device Service + * @{ + * @ingroup ble_sdk_srv + * @brief Human Interface Device Service module. + * + * @details This module implements the Human Interface Device Service with the corresponding set of + * characteristics. During initialization it adds the Human Interface Device Service and + * a set of characteristics as per the Human Interface Device Service specification and + * the user requirements to the BLE stack database. + * + * If enabled, notification of Input Report characteristics is performed when the + * application calls the corresponding ble_hids_xx_input_report_send() function. + * + * If an event handler is supplied by the application, the Human Interface Device Service + * will generate Human Interface Device Service events to the application. + * + * @note The application must register this module as BLE event observer using the + * NRF_SDH_BLE_OBSERVER macro. Example: + * @code + * ble_hids_t instance; + * NRF_SDH_BLE_OBSERVER(anything, BLE_HIDS_BLE_OBSERVER_PRIO, + * ble_hids_on_ble_evt, &instance); + * @endcode + * + * @note Attention! + * To maintain compliance with Nordic Semiconductor ASA Bluetooth profile + * qualification listings, this section of source code must not be modified. + */ + +#ifndef BLE_HIDS_H__ +#define BLE_HIDS_H__ + +#include <stdint.h> +#include <stdbool.h> +#include "ble.h" +#include "ble_srv_common.h" +#include "ble_link_ctx_manager.h" +#include "nrf_sdh_ble.h" + +#ifdef __cplusplus +extern "C" { +#endif + +/**@brief Allocate static data for keeping host connection contexts. + * + * @param _name Name of BLE HIDS instance. + * @param[in] _hids_max_clients Maximum number of HIDS clients connected at a time. + * @param[in] ... Lengths of HIDS reports. + * + * @details + * Mapping of HIDS reports in the HIDS report context: + * - Structure of type @ref ble_hids_client_context_t + * - Boot keyboard input report + * - Boot keyboard output report + * - Boot mouse input report + * - Input reports + * - Output reports + * - Feature reports + * @hideinitializer + */ +#define BLE_HIDS_DEF(_name, \ + _hids_max_clients, \ + ...) \ + BLE_LINK_CTX_MANAGER_DEF(CONCAT_2(_name, _link_ctx_storage), \ + (_hids_max_clients), \ + BLE_HIDS_LINK_CTX_SIZE_CALC(__VA_ARGS__)); \ + static ble_hids_t _name = \ + { \ + .p_link_ctx_storage = &CONCAT_2(_name, _link_ctx_storage) \ + }; \ + NRF_SDH_BLE_OBSERVER(_name ## _obs, \ + BLE_HIDS_BLE_OBSERVER_PRIO, \ + ble_hids_on_ble_evt, \ + &_name) + +/**@brief Helping macro for @ref BLE_HIDS_DEF, that calculates the link context size for BLE HIDS + * instance. + * + * @param[in] ... Lengths of HIDS reports + * @hideinitializer + */ +#define BLE_HIDS_LINK_CTX_SIZE_CALC(...) \ + (sizeof(ble_hids_client_context_t) + \ + MACRO_MAP_REC(BLE_HIDS_REPORT_ADD, __VA_ARGS__) \ + (BOOT_KB_INPUT_REPORT_MAX_SIZE) + \ + (BOOT_KB_OUTPUT_REPORT_MAX_SIZE) + \ + (BOOT_MOUSE_INPUT_REPORT_MAX_SIZE)) \ + +/**@brief Helping macro for @ref BLE_HIDS_LINK_CTX_SIZE_CALC, that adds Input/Output/Feature report + * lengths. + * + * @param[in] _report_size Length of the specific report. + * @hideinitializer + */ +#define BLE_HIDS_REPORT_ADD(_report_size) (_report_size) + + +/** @name Report Type values + * @anchor BLE_HIDS_REPORT_TYPE @{ + */ +// Report Type values +#define BLE_HIDS_REP_TYPE_INPUT 1 +#define BLE_HIDS_REP_TYPE_OUTPUT 2 +#define BLE_HIDS_REP_TYPE_FEATURE 3 +/** @} */ + +// Maximum number of the various Report Types +#define BLE_HIDS_MAX_INPUT_REP 10 +#define BLE_HIDS_MAX_OUTPUT_REP 10 +#define BLE_HIDS_MAX_FEATURE_REP 10 + +// Information Flags +#define HID_INFO_FLAG_REMOTE_WAKE_MSK 0x01 +#define HID_INFO_FLAG_NORMALLY_CONNECTABLE_MSK 0x02 + +#define BOOT_KB_INPUT_REPORT_MAX_SIZE 8 /**< Maximum size of a Boot Keyboard Input Report (as per Appendix B in Device Class Definition for Human Interface Devices (HID), Version 1.11). */ +#define BOOT_KB_OUTPUT_REPORT_MAX_SIZE 1 /**< Maximum size of a Boot Keyboard Output Report (as per Appendix B in Device Class Definition for Human Interface Devices (HID), Version 1.11). */ +#define BOOT_MOUSE_INPUT_REPORT_MIN_SIZE 3 /**< Minimum size of a Boot Mouse Input Report (as per Appendix B in Device Class Definition for Human Interface Devices (HID), Version 1.11). */ +#define BOOT_MOUSE_INPUT_REPORT_MAX_SIZE 8 /**< Maximum size of a Boot Mouse Input Report (as per Appendix B in Device Class Definition for Human Interface Devices (HID), Version 1.11). */ + +/**@brief HID Service characteristic id. */ +typedef struct +{ + uint16_t uuid; /**< UUID of characteristic. */ + uint8_t rep_type; /**< Type of report (only used for BLE_UUID_REPORT_CHAR, see @ref BLE_HIDS_REPORT_TYPE). */ + uint8_t rep_index; /**< Index of the characteristic (only used for BLE_UUID_REPORT_CHAR). */ +} ble_hids_char_id_t; + +/**@brief HID Service event type. */ +typedef enum +{ + BLE_HIDS_EVT_HOST_SUSP, /**< Suspend command received. */ + BLE_HIDS_EVT_HOST_EXIT_SUSP, /**< Exit suspend command received. */ + BLE_HIDS_EVT_NOTIF_ENABLED, /**< Notification enabled event. */ + BLE_HIDS_EVT_NOTIF_DISABLED, /**< Notification disabled event. */ + BLE_HIDS_EVT_REP_CHAR_WRITE, /**< A new value has been written to an Report characteristic. */ + BLE_HIDS_EVT_BOOT_MODE_ENTERED, /**< Boot mode entered. */ + BLE_HIDS_EVT_REPORT_MODE_ENTERED, /**< Report mode entered. */ + BLE_HIDS_EVT_REPORT_READ /**< Read with response */ +} ble_hids_evt_type_t; + +/**@brief HID Service event. */ +typedef struct +{ + ble_hids_evt_type_t evt_type; /**< Type of event. */ + union + { + struct + { + ble_hids_char_id_t char_id; /**< Id of characteristic for which notification has been started. */ + } notification; + struct + { + ble_hids_char_id_t char_id; /**< Id of characteristic having been written. */ + uint16_t offset; /**< Offset for the write operation. */ + uint16_t len; /**< Length of the incoming data. */ + uint8_t const * data; /**< Incoming data, variable length */ + } char_write; + struct + { + ble_hids_char_id_t char_id; /**< Id of characteristic being read. */ + } char_auth_read; + } params; + ble_evt_t const * p_ble_evt; /**< corresponding received ble event, NULL if not relevant */ +} ble_hids_evt_t; + +// Forward declaration of the ble_hids_t type. +typedef struct ble_hids_s ble_hids_t; + +/**@brief HID Service event handler type. */ +typedef void (*ble_hids_evt_handler_t) (ble_hids_t * p_hids, ble_hids_evt_t * p_evt); + +/**@brief HID Information characteristic value. */ +typedef struct +{ + uint16_t bcd_hid; /**< 16-bit unsigned integer representing version number of base USB HID Specification implemented by HID Device */ + uint8_t b_country_code; /**< Identifies which country the hardware is localized for. Most hardware is not localized and thus this value would be zero (0). */ + uint8_t flags; /**< See http://developer.bluetooth.org/gatt/characteristics/Pages/CharacteristicViewer.aspx?u=org.bluetooth.characteristic.hid_information.xml */ + ble_srv_security_mode_t security_mode; /**< Security mode for the HID Information characteristic. */ +} ble_hids_hid_information_t; + +/**@brief HID Service Input Report characteristic init structure. This contains all options and + * data needed for initialization of one Input Report characteristic. */ +typedef struct +{ + uint16_t max_len; /**< Maximum length of characteristic value. */ + ble_srv_report_ref_t rep_ref; /**< Value of the Report Reference descriptor. */ + ble_srv_cccd_security_mode_t security_mode; /**< Security mode for the HID Input Report characteristic, including cccd. */ +} ble_hids_inp_rep_init_t; + +/**@brief HID Service Output Report characteristic init structure. This contains all options and + * data needed for initialization of one Output Report characteristic. */ +typedef struct +{ + uint16_t max_len; /**< Maximum length of characteristic value. */ + ble_srv_report_ref_t rep_ref; /**< Value of the Report Reference descriptor. */ + ble_srv_cccd_security_mode_t security_mode; /**< Security mode for the HID Output Report characteristic, including cccd. */ +} ble_hids_outp_rep_init_t; + +/**@brief HID Service Feature Report characteristic init structure. This contains all options and + * data needed for initialization of one Feature Report characteristic. */ +typedef struct +{ + uint16_t max_len; /**< Maximum length of characteristic value. */ + ble_srv_report_ref_t rep_ref; /**< Value of the Report Reference descriptor. */ + ble_srv_cccd_security_mode_t security_mode; /**< Security mode for the HID Service Feature Report characteristic, including cccd. */ +} ble_hids_feature_rep_init_t; + +/**@brief HID Service Report Map characteristic init structure. This contains all options and data + * needed for initialization of the Report Map characteristic. */ +typedef struct +{ + uint8_t * p_data; /**< Report map data. */ + uint16_t data_len; /**< Length of report map data. */ + uint8_t ext_rep_ref_num; /**< Number of Optional External Report Reference descriptors. */ + ble_uuid_t const * p_ext_rep_ref; /**< Optional External Report Reference descriptor (will be added if != NULL). */ + ble_srv_security_mode_t security_mode; /**< Security mode for the HID Service Report Map characteristic. */ +} ble_hids_rep_map_init_t; + +/**@brief HID Report characteristic structure. */ +typedef struct +{ + ble_gatts_char_handles_t char_handles; /**< Handles related to the Report characteristic. */ + uint16_t ref_handle; /**< Handle of the Report Reference descriptor. */ +} ble_hids_rep_char_t; + +/**@brief HID Host context structure. It keeps information relevant to a single host. */ +typedef struct +{ + uint8_t protocol_mode; /**< Protocol mode. */ + uint8_t ctrl_pt; /**< HID Control Point. */ +} ble_hids_client_context_t; + +/**@brief HID Service init structure. This contains all options and data needed for initialization + * of the service. */ +typedef struct +{ + ble_hids_evt_handler_t evt_handler; /**< Event handler to be called for handling events in the HID Service. */ + ble_srv_error_handler_t error_handler; /**< Function to be called in case of an error. */ + bool is_kb; /**< TRUE if device is operating as a keyboard, FALSE if it is not. */ + bool is_mouse; /**< TRUE if device is operating as a mouse, FALSE if it is not. */ + uint8_t inp_rep_count; /**< Number of Input Report characteristics. */ + ble_hids_inp_rep_init_t const * p_inp_rep_array; /**< Information about the Input Report characteristics. */ + uint8_t outp_rep_count; /**< Number of Output Report characteristics. */ + ble_hids_outp_rep_init_t const * p_outp_rep_array; /**< Information about the Output Report characteristics. */ + uint8_t feature_rep_count; /**< Number of Feature Report characteristics. */ + ble_hids_feature_rep_init_t const * p_feature_rep_array; /**< Information about the Feature Report characteristics. */ + ble_hids_rep_map_init_t rep_map; /**< Information nedeed for initialization of the Report Map characteristic. */ + ble_hids_hid_information_t hid_information; /**< Value of the HID Information characteristic. */ + uint8_t included_services_count; /**< Number of services to include in HID service. */ + uint16_t * p_included_services_array; /**< Array of services to include in HID service. */ + ble_srv_security_mode_t security_mode_protocol; /**< Security settings for HID service protocol attribute */ + ble_srv_security_mode_t security_mode_ctrl_point; /**< Security settings for HID service Control Point attribute */ + ble_srv_cccd_security_mode_t security_mode_boot_mouse_inp_rep; /**< Security settings for HID service Mouse input report attribute */ + ble_srv_cccd_security_mode_t security_mode_boot_kb_inp_rep; /**< Security settings for HID service Keyboard input report attribute */ + ble_srv_security_mode_t security_mode_boot_kb_outp_rep; /**< Security settings for HID service Keyboard output report attribute */ +} ble_hids_init_t; + +/**@brief HID Service structure. This contains various status information for the service. */ +struct ble_hids_s +{ + ble_hids_evt_handler_t evt_handler; /**< Event handler to be called for handling events in the HID Service. */ + ble_srv_error_handler_t error_handler; /**< Function to be called in case of an error. */ + uint16_t service_handle; /**< Handle of HID Service (as provided by the BLE stack). */ + ble_gatts_char_handles_t protocol_mode_handles; /**< Handles related to the Protocol Mode characteristic (will only be created if ble_hids_init_t.is_kb or ble_hids_init_t.is_mouse is set). */ + uint8_t inp_rep_count; /**< Number of Input Report characteristics. */ + ble_hids_rep_char_t inp_rep_array[BLE_HIDS_MAX_INPUT_REP]; /**< Information about the Input Report characteristics. */ + uint8_t outp_rep_count; /**< Number of Output Report characteristics. */ + ble_hids_rep_char_t outp_rep_array[BLE_HIDS_MAX_OUTPUT_REP]; /**< Information about the Output Report characteristics. */ + uint8_t feature_rep_count; /**< Number of Feature Report characteristics. */ + ble_hids_rep_char_t feature_rep_array[BLE_HIDS_MAX_FEATURE_REP]; /**< Information about the Feature Report characteristics. */ + ble_gatts_char_handles_t rep_map_handles; /**< Handles related to the Report Map characteristic. */ + uint16_t rep_map_ext_rep_ref_handle; /**< Handle of the Report Map External Report Reference descriptor. */ + ble_gatts_char_handles_t boot_kb_inp_rep_handles; /**< Handles related to the Boot Keyboard Input Report characteristic (will only be created if ble_hids_init_t.is_kb is set). */ + ble_gatts_char_handles_t boot_kb_outp_rep_handles; /**< Handles related to the Boot Keyboard Output Report characteristic (will only be created if ble_hids_init_t.is_kb is set). */ + ble_gatts_char_handles_t boot_mouse_inp_rep_handles; /**< Handles related to the Boot Mouse Input Report characteristic (will only be created if ble_hids_init_t.is_mouse is set). */ + ble_gatts_char_handles_t hid_information_handles; /**< Handles related to the Report Map characteristic. */ + ble_gatts_char_handles_t hid_control_point_handles; /**< Handles related to the Report Map characteristic. */ + blcm_link_ctx_storage_t * const p_link_ctx_storage; /**< Link context storage with handles of all current connections and its data context. */ + ble_hids_inp_rep_init_t const * p_inp_rep_init_array; /**< Pointer to information about the Input Report characteristics. */ + ble_hids_outp_rep_init_t const * p_outp_rep_init_array; /**< Pointer to information about the Output Report characteristics. */ + ble_hids_feature_rep_init_t const * p_feature_rep_init_array; /**< Pointer to information about the Feature Report characteristics. */ +}; + +/**@brief Function for initializing the HID Service. + * + * @param[out] p_hids HID Service 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 service instance. + * @param[in] p_hids_init Information needed to initialize the service. + * + * @return NRF_SUCCESS on successful initialization of service, otherwise an error code. + */ +uint32_t ble_hids_init(ble_hids_t * p_hids, const ble_hids_init_t * p_hids_init); + +/**@brief Function for handling the Application's BLE Stack events. + * + * @details Handles all events from the BLE stack of interest to the HID Service. + * + * @param[in] p_ble_evt Event received from the BLE stack. + * @param[in] p_context HID Service structure. + */ +void ble_hids_on_ble_evt(ble_evt_t const * p_ble_evt, void * p_context); + +/**@brief Function for sending Input Report. + * + * @details Sends data on an Input Report characteristic. + * + * @param[in] p_hids HID Service structure. + * @param[in] rep_index Index of the characteristic (corresponding to the index in + * ble_hids_t.inp_rep_array as passed to ble_hids_init()). + * @param[in] len Length of data to be sent. + * @param[in] p_data Pointer to data to be sent. + * @param[in] conn_handle Connection handle, where the notification will be sent. + * + * @return NRF_SUCCESS on successful sending of input report, otherwise an error code. + */ +uint32_t ble_hids_inp_rep_send(ble_hids_t * p_hids, + uint8_t rep_index, + uint16_t len, + uint8_t * p_data, + uint16_t conn_handle); + +/**@brief Function for sending Boot Keyboard Input Report. + * + * @details Sends data on an Boot Keyboard Input Report characteristic. + * + * @param[in] p_hids HID Service structure. + * @param[in] len Length of data to be sent. + * @param[in] p_data Pointer to data to be sent. + * @param[in] conn_handle Connection handle, where the notification will be sent. + * + * @return NRF_SUCCESS on successful sending of the report, otherwise an error code. + */ +uint32_t ble_hids_boot_kb_inp_rep_send(ble_hids_t * p_hids, + uint16_t len, + uint8_t * p_data, + uint16_t conn_handle); + +/**@brief Function for sending Boot Mouse Input Report. + * + * @details Sends data on an Boot Mouse Input Report characteristic. + * + * @param[in] p_hids HID Service structure. + * @param[in] buttons State of mouse buttons. + * @param[in] x_delta Horizontal movement. + * @param[in] y_delta Vertical movement. + * @param[in] optional_data_len Length of optional part of Boot Mouse Input Report. + * @param[in] p_optional_data Optional part of Boot Mouse Input Report. + * @param[in] conn_handle Connection handle. + * + * @return NRF_SUCCESS on successful sending of the report, otherwise an error code. + */ +uint32_t ble_hids_boot_mouse_inp_rep_send(ble_hids_t * p_hids, + uint8_t buttons, + int8_t x_delta, + int8_t y_delta, + uint16_t optional_data_len, + uint8_t * p_optional_data, + uint16_t conn_handle); + +/**@brief Function for getting the current value of Output Report from the stack. + * + * @details Fetches the current value of the output report characteristic from the stack. + * + * @param[in] p_hids HID Service structure. + * @param[in] rep_index Index of the characteristic (corresponding to the index in + * ble_hids_t.outp_rep_array as passed to ble_hids_init()). + * @param[in] len Length of output report needed. + * @param[in] offset Offset in bytes to read from. + * @param[in] conn_handle Connection handle. + * @param[out] p_outp_rep Pointer to the output report. + * + * @return NRF_SUCCESS on successful read of the report, otherwise an error code. + */ +uint32_t ble_hids_outp_rep_get(ble_hids_t * p_hids, + uint8_t rep_index, + uint16_t len, + uint8_t offset, + uint16_t conn_handle, + uint8_t * p_outp_rep); + + +#ifdef __cplusplus +} +#endif + +#endif // BLE_HIDS_H__ + +/** @} */ |