diff options
Diffstat (limited to 'thirdparty/nRF5_SDK_15.0.0_a53641a/components/ble/ble_services/ble_lls')
| -rw-r--r-- | thirdparty/nRF5_SDK_15.0.0_a53641a/components/ble/ble_services/ble_lls/ble_lls.c | 260 | ||||
| -rw-r--r-- | thirdparty/nRF5_SDK_15.0.0_a53641a/components/ble/ble_services/ble_lls/ble_lls.h | 175 |
2 files changed, 435 insertions, 0 deletions
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/ble/ble_services/ble_lls/ble_lls.c b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/ble/ble_services/ble_lls/ble_lls.c new file mode 100644 index 0000000..ceb3102 --- /dev/null +++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/ble/ble_services/ble_lls/ble_lls.c @@ -0,0 +1,260 @@ +/** + * 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. + * + */ +/* Attention! + * To maintain compliance with Nordic Semiconductor ASA's Bluetooth profile + * qualification listings, this section of source code must not be modified. + */ +#include "sdk_common.h" +#if NRF_MODULE_ENABLED(BLE_LLS) +#include "ble_lls.h" +#include <string.h> +#include "ble_hci.h" +#include "ble_srv_common.h" + + +/**@brief Function for handling the Connect event. + * + * @param[in] p_lls Link Loss Service structure. + * @param[in] p_ble_evt Event received from the BLE stack. + */ +static void on_connect(ble_lls_t * p_lls, ble_evt_t const * p_ble_evt) +{ + // Link reconnected, notify application with a no_alert event + ble_lls_evt_t evt; + + p_lls->conn_handle = p_ble_evt->evt.gap_evt.conn_handle; + + evt.evt_type = BLE_LLS_EVT_LINK_LOSS_ALERT; + evt.params.alert_level = BLE_CHAR_ALERT_LEVEL_NO_ALERT; + p_lls->evt_handler(p_lls, &evt); +} + + +/**@brief Function for handling the Disconnect event. + * + * @param[in] p_lls Link Loss Service structure. + * @param[in] p_ble_evt Event received from the BLE stack. + */ +static void on_disconnect(ble_lls_t * p_lls, ble_evt_t const * p_ble_evt) +{ + uint8_t reason = p_ble_evt->evt.gap_evt.params.disconnected.reason; + + if (reason == BLE_HCI_CONNECTION_TIMEOUT) + { + // Link loss detected, notify application + uint32_t err_code; + ble_lls_evt_t evt; + + evt.evt_type = BLE_LLS_EVT_LINK_LOSS_ALERT; + + err_code = ble_lls_alert_level_get(p_lls, &evt.params.alert_level); + if (err_code == NRF_SUCCESS) + { + p_lls->evt_handler(p_lls, &evt); + } + else + { + if (p_lls->error_handler != NULL) + { + p_lls->error_handler(err_code); + } + } + } +} + + +/**@brief Function for handling the Authentication Status event. + * + * @param[in] p_lls Link Loss Service structure. + * @param[in] p_ble_evt Event received from the BLE stack. + */ +static void on_auth_status(ble_lls_t * p_lls, ble_evt_t const * p_ble_evt) +{ + if (p_ble_evt->evt.gap_evt.params.auth_status.auth_status == BLE_GAP_SEC_STATUS_SUCCESS) + { + ble_lls_evt_t evt; + + evt.evt_type = BLE_LLS_EVT_LINK_LOSS_ALERT; + evt.params.alert_level = BLE_CHAR_ALERT_LEVEL_NO_ALERT; + + p_lls->evt_handler(p_lls, &evt); + } +} + + +void ble_lls_on_ble_evt(ble_evt_t const * p_ble_evt, void * p_context) +{ + ble_lls_t * p_lls = (ble_lls_t *)p_context; + + if (p_lls == NULL || p_ble_evt == NULL) + { + return; + } + + switch (p_ble_evt->header.evt_id) + { + case BLE_GAP_EVT_CONNECTED: + on_connect(p_lls, p_ble_evt); + break; + + case BLE_GAP_EVT_DISCONNECTED: + on_disconnect(p_lls, p_ble_evt); + break; + + case BLE_GAP_EVT_AUTH_STATUS: + on_auth_status(p_lls, p_ble_evt); + break; + + default: + // No implementation needed. + break; + } +} + + +/**@brief Function for adding Alert Level characteristics. + * + * @param[in] p_lls Link Loss Service structure. + * @param[in] p_lls_init Information needed to initialize the service. + * + * @return NRF_SUCCESS on success, otherwise an error code. + */ +static uint32_t alert_level_char_add(ble_lls_t * p_lls, const ble_lls_init_t * p_lls_init) +{ + ble_gatts_char_md_t char_md; + ble_gatts_attr_t attr_char_value; + ble_uuid_t ble_uuid; + ble_gatts_attr_md_t attr_md; + uint8_t initial_alert_level; + + memset(&char_md, 0, sizeof(char_md)); + + char_md.char_props.read = 1; + char_md.char_props.write = 1; + char_md.p_char_user_desc = NULL; + char_md.p_char_pf = NULL; + char_md.p_user_desc_md = NULL; + char_md.p_cccd_md = NULL; + char_md.p_sccd_md = NULL; + + BLE_UUID_BLE_ASSIGN(ble_uuid, BLE_UUID_ALERT_LEVEL_CHAR); + memset(&attr_md, 0, sizeof(attr_md)); + + attr_md.read_perm = p_lls_init->lls_attr_md.read_perm; + attr_md.write_perm = p_lls_init->lls_attr_md.write_perm; + attr_md.vloc = BLE_GATTS_VLOC_STACK; + attr_md.rd_auth = 0; + attr_md.wr_auth = 0; + attr_md.vlen = 0; + + memset(&attr_char_value, 0, sizeof(attr_char_value)); + initial_alert_level = p_lls_init->initial_alert_level; + + attr_char_value.p_uuid = &ble_uuid; + attr_char_value.p_attr_md = &attr_md; + attr_char_value.init_len = sizeof (uint8_t); + attr_char_value.init_offs = 0; + attr_char_value.max_len = sizeof (uint8_t); + attr_char_value.p_value = &initial_alert_level; + + return sd_ble_gatts_characteristic_add(p_lls->service_handle, + &char_md, + &attr_char_value, + &p_lls->alert_level_handles); +} + + +uint32_t ble_lls_init(ble_lls_t * p_lls, const ble_lls_init_t * p_lls_init) +{ + uint32_t err_code; + ble_uuid_t ble_uuid; + + if (p_lls == NULL || p_lls_init == NULL) + { + return NRF_ERROR_NULL; + } + + if (p_lls_init->evt_handler == NULL) + { + return NRF_ERROR_INVALID_PARAM; + } + + // Initialize service structure + p_lls->evt_handler = p_lls_init->evt_handler; + p_lls->error_handler = p_lls_init->error_handler; + + // Add service + BLE_UUID_BLE_ASSIGN(ble_uuid, BLE_UUID_LINK_LOSS_SERVICE); + + err_code = sd_ble_gatts_service_add(BLE_GATTS_SRVC_TYPE_PRIMARY, + &ble_uuid, + &p_lls->service_handle); + + if (err_code != NRF_SUCCESS) + { + return err_code; + } + + // Add alert level characteristic + return alert_level_char_add(p_lls, p_lls_init); +} + + +uint32_t ble_lls_alert_level_get(ble_lls_t * p_lls, uint8_t * p_alert_level) +{ + ble_gatts_value_t gatts_value; + + if (p_lls == NULL || p_alert_level == NULL) + { + return NRF_ERROR_NULL; + } + + // Initialize value struct. + memset(&gatts_value, 0, sizeof(gatts_value)); + + gatts_value.len = sizeof(uint8_t); + gatts_value.offset = 0; + gatts_value.p_value = p_alert_level; + + return sd_ble_gatts_value_get(p_lls->conn_handle, + p_lls->alert_level_handles.value_handle, + &gatts_value); +} +#endif // NRF_MODULE_ENABLED(BLE_LLS) diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/ble/ble_services/ble_lls/ble_lls.h b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/ble/ble_services/ble_lls/ble_lls.h new file mode 100644 index 0000000..22ea716 --- /dev/null +++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/ble/ble_services/ble_lls/ble_lls.h @@ -0,0 +1,175 @@ +/** + * 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_lls Link Loss Service + * @{ + * @ingroup ble_sdk_srv + * @brief Link Loss Service module. + * + * @details This module implements the Link Loss Service with the Alert Level characteristic. + * During initialization it adds the Link Loss Service and Alert Level characteristic + * to the BLE stack database. + * + * The application must supply an event handler for receiving Link Loss Service + * events. Using this handler, the service will notify the application when the + * link has been lost, and which Alert Level has been set. + * + * The service also provides a function for letting the application poll the current + * value of the Alert Level characteristic. + * + * @note The application must register this module as BLE event observer using the + * NRF_SDH_BLE_OBSERVER macro. Example: + * @code + * ble_lls_t instance; + * NRF_SDH_BLE_OBSERVER(anything, BLE_LLS_BLE_OBSERVER_PRIO, + * ble_lls_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_LLS_H__ +#define BLE_LLS_H__ + +#include <stdint.h> +#include "ble.h" +#include "ble_srv_common.h" +#include "nrf_sdh_ble.h" + +#ifdef __cplusplus +extern "C" { +#endif + +/**@brief Macro for defining a ble_lls instance. + * + * @param _name Name of the instance. + * @hideinitializer + */ +#define BLE_LLS_DEF(_name) \ +static ble_lls_t _name; \ +NRF_SDH_BLE_OBSERVER(_name ## _obs, \ + BLE_LLS_BLE_OBSERVER_PRIO, \ + ble_lls_on_ble_evt, &_name) + + +/**@brief Link Loss Service event type. */ +typedef enum +{ + BLE_LLS_EVT_LINK_LOSS_ALERT /**< Alert Level Updated event. */ +} ble_lls_evt_type_t; + +/**@brief Link Loss Service event. */ +typedef struct +{ + ble_lls_evt_type_t evt_type; /**< Type of event. */ + union + { + uint8_t alert_level; /**< New Alert Level value. */ + } params; +} ble_lls_evt_t; + +// Forward declaration of the ble_lls_t type. +typedef struct ble_lls_s ble_lls_t; + +/**@brief Link Loss Service event handler type. */ +typedef void (*ble_lls_evt_handler_t) (ble_lls_t * p_lls, ble_lls_evt_t * p_evt); + +/**@brief Link Loss Service init structure. This contains all options and data needed for initialization of the service. */ +typedef struct +{ + ble_lls_evt_handler_t evt_handler; /**< Event handler to be called for handling events in the Link Loss Service. */ + ble_srv_error_handler_t error_handler; /**< Function to be called in case of an error. */ + uint8_t initial_alert_level; /**< Initial value of the Alert Level characteristic. */ + ble_srv_security_mode_t lls_attr_md; /**< Initial Security Setting for Link Loss Service Characteristics. */ +} ble_lls_init_t; + +/**@brief Link Loss Service structure. This contains various status information for the service. */ +struct ble_lls_s +{ + ble_lls_evt_handler_t evt_handler; /**< Event handler to be called for handling events in the Link Loss Service. */ + ble_srv_error_handler_t error_handler; /**< Function to be called in case of an error. */ + uint16_t service_handle; /**< Handle of Link Loss Service (as provided by the BLE stack). */ + ble_gatts_char_handles_t alert_level_handles; /**< Handles related to the Alert Level characteristic. */ + 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). */ +}; + + +/**@brief Function for initializing the Link Loss Service. + * + * @param[out] p_lls Link Loss 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_lls_init Information needed to initialize the service. + * + * @return NRF_SUCCESS on successful initialization of service, otherwise an error code. + */ +uint32_t ble_lls_init(ble_lls_t * p_lls, const ble_lls_init_t * p_lls_init); + + +/**@brief Function for handling the Application's BLE Stack events. + * + * @details Handles all events from the BLE stack of interest to the Link Loss Service. + * + * @param[in] p_ble_evt Event received from the BLE stack. + * @param[in] p_context Link Loss Service structure. + */ +void ble_lls_on_ble_evt(ble_evt_t const * p_ble_evt, void * p_context); + + +/**@brief Function for getting current value of the Alert Level characteristic. + * + * @param[in] p_lls Link Loss Service structure. + * @param[out] p_alert_level Current Alert Level value. + * + * @return NRF_SUCCESS on success, otherwise an error code. + */ +uint32_t ble_lls_alert_level_get(ble_lls_t * p_lls, uint8_t * p_alert_level); + + +#ifdef __cplusplus +} +#endif + +#endif // BLE_LLS_H__ + +/** @} */ |