Nordic stack and drivers for the mbed BLE API
Dependents: Sensen-classic-v8-IAQ_copy_4
Fork of nRF51822 by
TARGET_MCU_NRF51822/sdk/source/ble/common/ble_conn_params.h@639:7f459d371b75, 2017-11-10 (annotated)
- Committer:
- amithy
- Date:
- Fri Nov 10 20:27:44 2017 +0000
- Revision:
- 639:7f459d371b75
- Parent:
- 638:c90ae1400bf2
t
Who changed what in which revision?
User | Revision | Line number | New contents of line |
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Vincent Coubard |
638:c90ae1400bf2 | 1 | /* |
Vincent Coubard |
638:c90ae1400bf2 | 2 | * Copyright (c) Nordic Semiconductor ASA |
Vincent Coubard |
638:c90ae1400bf2 | 3 | * All rights reserved. |
Vincent Coubard |
638:c90ae1400bf2 | 4 | * |
Vincent Coubard |
638:c90ae1400bf2 | 5 | * Redistribution and use in source and binary forms, with or without modification, |
Vincent Coubard |
638:c90ae1400bf2 | 6 | * are permitted provided that the following conditions are met: |
Vincent Coubard |
638:c90ae1400bf2 | 7 | * |
Vincent Coubard |
638:c90ae1400bf2 | 8 | * 1. Redistributions of source code must retain the above copyright notice, this |
Vincent Coubard |
638:c90ae1400bf2 | 9 | * list of conditions and the following disclaimer. |
Vincent Coubard |
638:c90ae1400bf2 | 10 | * |
Vincent Coubard |
638:c90ae1400bf2 | 11 | * 2. Redistributions in binary form must reproduce the above copyright notice, this |
Vincent Coubard |
638:c90ae1400bf2 | 12 | * list of conditions and the following disclaimer in the documentation and/or |
Vincent Coubard |
638:c90ae1400bf2 | 13 | * other materials provided with the distribution. |
Vincent Coubard |
638:c90ae1400bf2 | 14 | * |
Vincent Coubard |
638:c90ae1400bf2 | 15 | * 3. Neither the name of Nordic Semiconductor ASA nor the names of other |
Vincent Coubard |
638:c90ae1400bf2 | 16 | * contributors to this software may be used to endorse or promote products |
Vincent Coubard |
638:c90ae1400bf2 | 17 | * derived from this software without specific prior written permission. |
Vincent Coubard |
638:c90ae1400bf2 | 18 | * |
Vincent Coubard |
638:c90ae1400bf2 | 19 | * |
Vincent Coubard |
638:c90ae1400bf2 | 20 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND |
Vincent Coubard |
638:c90ae1400bf2 | 21 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
Vincent Coubard |
638:c90ae1400bf2 | 22 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
Vincent Coubard |
638:c90ae1400bf2 | 23 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR |
Vincent Coubard |
638:c90ae1400bf2 | 24 | * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
Vincent Coubard |
638:c90ae1400bf2 | 25 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
Vincent Coubard |
638:c90ae1400bf2 | 26 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON |
Vincent Coubard |
638:c90ae1400bf2 | 27 | * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
Vincent Coubard |
638:c90ae1400bf2 | 28 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
Vincent Coubard |
638:c90ae1400bf2 | 29 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
Vincent Coubard |
638:c90ae1400bf2 | 30 | * |
Vincent Coubard |
638:c90ae1400bf2 | 31 | */ |
Vincent Coubard |
638:c90ae1400bf2 | 32 | |
Vincent Coubard |
638:c90ae1400bf2 | 33 | /** @file |
Vincent Coubard |
638:c90ae1400bf2 | 34 | * |
Vincent Coubard |
638:c90ae1400bf2 | 35 | * @defgroup ble_sdk_lib_conn_params Connection Parameters Negotiation |
Vincent Coubard |
638:c90ae1400bf2 | 36 | * @{ |
Vincent Coubard |
638:c90ae1400bf2 | 37 | * @ingroup ble_sdk_lib |
Vincent Coubard |
638:c90ae1400bf2 | 38 | * @brief Module for initiating and executing a connection parameters negotiation procedure. |
Vincent Coubard |
638:c90ae1400bf2 | 39 | */ |
Vincent Coubard |
638:c90ae1400bf2 | 40 | |
Vincent Coubard |
638:c90ae1400bf2 | 41 | #ifndef BLE_CONN_PARAMS_H__ |
Vincent Coubard |
638:c90ae1400bf2 | 42 | #define BLE_CONN_PARAMS_H__ |
Vincent Coubard |
638:c90ae1400bf2 | 43 | |
Vincent Coubard |
638:c90ae1400bf2 | 44 | #include <stdint.h> |
Vincent Coubard |
638:c90ae1400bf2 | 45 | #include "nrf_ble.h" |
Vincent Coubard |
638:c90ae1400bf2 | 46 | #include "ble_srv_common.h" |
Vincent Coubard |
638:c90ae1400bf2 | 47 | |
Vincent Coubard |
638:c90ae1400bf2 | 48 | /**@brief Connection Parameters Module event type. */ |
Vincent Coubard |
638:c90ae1400bf2 | 49 | typedef enum |
Vincent Coubard |
638:c90ae1400bf2 | 50 | { |
Vincent Coubard |
638:c90ae1400bf2 | 51 | BLE_CONN_PARAMS_EVT_FAILED , /**< Negotiation procedure failed. */ |
Vincent Coubard |
638:c90ae1400bf2 | 52 | BLE_CONN_PARAMS_EVT_SUCCEEDED /**< Negotiation procedure succeeded. */ |
Vincent Coubard |
638:c90ae1400bf2 | 53 | } ble_conn_params_evt_type_t; |
Vincent Coubard |
638:c90ae1400bf2 | 54 | |
Vincent Coubard |
638:c90ae1400bf2 | 55 | /**@brief Connection Parameters Module event. */ |
Vincent Coubard |
638:c90ae1400bf2 | 56 | typedef struct |
Vincent Coubard |
638:c90ae1400bf2 | 57 | { |
Vincent Coubard |
638:c90ae1400bf2 | 58 | ble_conn_params_evt_type_t evt_type; /**< Type of event. */ |
Vincent Coubard |
638:c90ae1400bf2 | 59 | } ble_conn_params_evt_t; |
Vincent Coubard |
638:c90ae1400bf2 | 60 | |
Vincent Coubard |
638:c90ae1400bf2 | 61 | /**@brief Connection Parameters Module event handler type. */ |
Vincent Coubard |
638:c90ae1400bf2 | 62 | typedef void (*ble_conn_params_evt_handler_t) (ble_conn_params_evt_t * p_evt); |
Vincent Coubard |
638:c90ae1400bf2 | 63 | |
Vincent Coubard |
638:c90ae1400bf2 | 64 | /**@brief Connection Parameters Module init structure. This contains all options and data needed for |
Vincent Coubard |
638:c90ae1400bf2 | 65 | * initialization of the connection parameters negotiation module. */ |
Vincent Coubard |
638:c90ae1400bf2 | 66 | typedef struct |
Vincent Coubard |
638:c90ae1400bf2 | 67 | { |
Vincent Coubard |
638:c90ae1400bf2 | 68 | ble_gap_conn_params_t * p_conn_params; /**< Pointer to the connection parameters desired by the application. When calling ble_conn_params_init, if this parameter is set to NULL, the connection parameters will be fetched from host. */ |
Vincent Coubard |
638:c90ae1400bf2 | 69 | uint32_t first_conn_params_update_delay; /**< Time from initiating event (connect or start of notification) to first time sd_ble_gap_conn_param_update is called (in number of timer ticks). */ |
Vincent Coubard |
638:c90ae1400bf2 | 70 | uint32_t next_conn_params_update_delay; /**< Time between each call to sd_ble_gap_conn_param_update after the first (in number of timer ticks). Recommended value 30 seconds as per BLUETOOTH SPECIFICATION Version 4.0. */ |
Vincent Coubard |
638:c90ae1400bf2 | 71 | uint8_t max_conn_params_update_count; /**< Number of attempts before giving up the negotiation. */ |
Vincent Coubard |
638:c90ae1400bf2 | 72 | uint16_t start_on_notify_cccd_handle; /**< If procedure is to be started when notification is started, set this to the handle of the corresponding CCCD. Set to BLE_GATT_HANDLE_INVALID if procedure is to be started on connect event. */ |
Vincent Coubard |
638:c90ae1400bf2 | 73 | bool disconnect_on_fail; /**< Set to TRUE if a failed connection parameters update shall cause an automatic disconnection, set to FALSE otherwise. */ |
Vincent Coubard |
638:c90ae1400bf2 | 74 | ble_conn_params_evt_handler_t evt_handler; /**< Event handler to be called for handling events in the Connection Parameters. */ |
Vincent Coubard |
638:c90ae1400bf2 | 75 | ble_srv_error_handler_t error_handler; /**< Function to be called in case of an error. */ |
Vincent Coubard |
638:c90ae1400bf2 | 76 | } ble_conn_params_init_t; |
Vincent Coubard |
638:c90ae1400bf2 | 77 | |
Vincent Coubard |
638:c90ae1400bf2 | 78 | |
Vincent Coubard |
638:c90ae1400bf2 | 79 | /**@brief Function for initializing the Connection Parameters module. |
Vincent Coubard |
638:c90ae1400bf2 | 80 | * |
Vincent Coubard |
638:c90ae1400bf2 | 81 | * @note If the negotiation procedure should be triggered when notification/indication of |
Vincent Coubard |
638:c90ae1400bf2 | 82 | * any characteristic is enabled by the peer, then this function must be called after |
Vincent Coubard |
638:c90ae1400bf2 | 83 | * having initialized the services. |
Vincent Coubard |
638:c90ae1400bf2 | 84 | * |
Vincent Coubard |
638:c90ae1400bf2 | 85 | * @param[in] p_init This contains information needed to initialize this module. |
Vincent Coubard |
638:c90ae1400bf2 | 86 | * |
Vincent Coubard |
638:c90ae1400bf2 | 87 | * @return NRF_SUCCESS on successful initialization, otherwise an error code. |
Vincent Coubard |
638:c90ae1400bf2 | 88 | */ |
Vincent Coubard |
638:c90ae1400bf2 | 89 | uint32_t ble_conn_params_init(const ble_conn_params_init_t * p_init); |
Vincent Coubard |
638:c90ae1400bf2 | 90 | |
Vincent Coubard |
638:c90ae1400bf2 | 91 | /**@brief Function for stopping the Connection Parameters module. |
Vincent Coubard |
638:c90ae1400bf2 | 92 | * |
Vincent Coubard |
638:c90ae1400bf2 | 93 | * @details This function is intended to be used by the application to clean up the connection |
Vincent Coubard |
638:c90ae1400bf2 | 94 | * parameters update module. This will stop the connection parameters update timer if |
Vincent Coubard |
638:c90ae1400bf2 | 95 | * running, thereby preventing any impending connection parameters update procedure. This |
Vincent Coubard |
638:c90ae1400bf2 | 96 | * function must be called by the application when it needs to clean itself up (for |
Vincent Coubard |
638:c90ae1400bf2 | 97 | * example, before disabling the bluetooth SoftDevice) so that an unwanted timer expiry |
Vincent Coubard |
638:c90ae1400bf2 | 98 | * event can be avoided. |
Vincent Coubard |
638:c90ae1400bf2 | 99 | * |
Vincent Coubard |
638:c90ae1400bf2 | 100 | * @return NRF_SUCCESS on successful initialization, otherwise an error code. |
Vincent Coubard |
638:c90ae1400bf2 | 101 | */ |
Vincent Coubard |
638:c90ae1400bf2 | 102 | uint32_t ble_conn_params_stop(void); |
Vincent Coubard |
638:c90ae1400bf2 | 103 | |
Vincent Coubard |
638:c90ae1400bf2 | 104 | /**@brief Function for changing the current connection parameters to a new set. |
Vincent Coubard |
638:c90ae1400bf2 | 105 | * |
Vincent Coubard |
638:c90ae1400bf2 | 106 | * @details Use this function to change the connection parameters to a new set of parameter |
Vincent Coubard |
638:c90ae1400bf2 | 107 | * (ie different from the ones given at init of the module). |
Vincent Coubard |
638:c90ae1400bf2 | 108 | * This function is usefull for scenario where most of the time the application |
Vincent Coubard |
638:c90ae1400bf2 | 109 | * needs a relatively big connection interval, and just sometimes, for a temporary |
Vincent Coubard |
638:c90ae1400bf2 | 110 | * period requires shorter connection interval, for example to transfer a higher |
Vincent Coubard |
638:c90ae1400bf2 | 111 | * amount of data. |
Vincent Coubard |
638:c90ae1400bf2 | 112 | * If the given parameters does not match the current connection's parameters |
Vincent Coubard |
638:c90ae1400bf2 | 113 | * this function initiates a new negotiation. |
Vincent Coubard |
638:c90ae1400bf2 | 114 | * |
Vincent Coubard |
638:c90ae1400bf2 | 115 | * @param[in] new_params This contains the new connections parameters to setup. |
Vincent Coubard |
638:c90ae1400bf2 | 116 | * |
Vincent Coubard |
638:c90ae1400bf2 | 117 | * @return NRF_SUCCESS on successful initialization, otherwise an error code. |
Vincent Coubard |
638:c90ae1400bf2 | 118 | */ |
Vincent Coubard |
638:c90ae1400bf2 | 119 | uint32_t ble_conn_params_change_conn_params(ble_gap_conn_params_t *new_params); |
Vincent Coubard |
638:c90ae1400bf2 | 120 | |
Vincent Coubard |
638:c90ae1400bf2 | 121 | /**@brief Function for handling the Application's BLE Stack events. |
Vincent Coubard |
638:c90ae1400bf2 | 122 | * |
Vincent Coubard |
638:c90ae1400bf2 | 123 | * @details Handles all events from the BLE stack that are of interest to this module. |
Vincent Coubard |
638:c90ae1400bf2 | 124 | * |
Vincent Coubard |
638:c90ae1400bf2 | 125 | * @param[in] p_ble_evt The event received from the BLE stack. |
Vincent Coubard |
638:c90ae1400bf2 | 126 | */ |
Vincent Coubard |
638:c90ae1400bf2 | 127 | void ble_conn_params_on_ble_evt(ble_evt_t * p_ble_evt); |
Vincent Coubard |
638:c90ae1400bf2 | 128 | |
Vincent Coubard |
638:c90ae1400bf2 | 129 | #endif // BLE_CONN_PARAMS_H__ |
Vincent Coubard |
638:c90ae1400bf2 | 130 | |
Vincent Coubard |
638:c90ae1400bf2 | 131 | /** @} */ |