Nordic stack and drivers for the mbed BLE API
Dependents: BLE_ANCS_SDAPI BLE_temperature BLE_HeartRate writable_gatt ... more
Diff: TARGET_MCU_NRF51822/sdk/source/libraries/bootloader_dfu/dfu_ble_svc.h
- Revision:
- 638:c90ae1400bf2
diff -r f7faad332abc -r c90ae1400bf2 TARGET_MCU_NRF51822/sdk/source/libraries/bootloader_dfu/dfu_ble_svc.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/TARGET_MCU_NRF51822/sdk/source/libraries/bootloader_dfu/dfu_ble_svc.h Wed Sep 14 14:39:43 2016 +0100 @@ -0,0 +1,100 @@ +/* + * Copyright (c) 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 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 other + * contributors to this software may be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER 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 nrf_dfu_ble_svc DFU BLE SVC + * @{ + * + * @brief DFU BLE SVC in bootloader. The DFU BLE SuperVisor Calls allow an application to execute + * functions in the installed bootloader. + * + * @details This module implements handling of SuperVisor Calls in the bootloader. + * SuperVisor Calls allow for an application to execute calls into the bootloader. + * Currently, it is possible to exchange bonding information (like keys) from the + * application to a bootloader supporting DFU OTA using BLE, so the update process can be + * done through an already existing bond. + * + * @note The application must make sure that all SuperVisor Calls (SVC) are forwarded to the + * bootloader to ensure correct behavior. Forwarding of SVCs to the bootloader is + * done using the SoftDevice SVC @ref sd_softdevice_vector_table_base_set with the value + * present in @c NRF_UICR->BOOTLOADERADDR. + */ + +#ifndef DFU_BLE_SVC_H__ +#define DFU_BLE_SVC_H__ + +#include "nrf_svc.h" +#include <stdint.h> +#include "ble_gap.h" +#include "nrf.h" +#include "nrf_soc.h" +#include "nrf_error_sdm.h" + +#define BOOTLOADER_SVC_BASE 0x0 /**< The number of the lowest SVC number reserved for the bootloader. */ +#define SYSTEM_SERVICE_ATT_SIZE 8 /**< Size of the system service attribute length including CRC-16 at the end. */ + +/**@brief The SVC numbers used by the SVC functions in the SoC library. */ +enum BOOTLOADER_SVCS +{ + DFU_BLE_SVC_PEER_DATA_SET = BOOTLOADER_SVC_BASE, /**< SVC number for the setting of peer data call. */ + BOOTLOADER_SVC_LAST +}; + +/**@brief DFU Peer data structure. + * + * @details This structure contains peer data needed for connection to a bonded device during DFU. + * The peer data must be provided by the application to the bootloader during buttonless + * update. See @ref dfu_ble_svc_peer_data_set. It contains bond information about the + * desired DFU peer. + */ +typedef struct +{ + ble_gap_addr_t addr; /**< BLE GAP address of the device that initiated the DFU process. */ + ble_gap_irk_t irk; /**< IRK of the device that initiated the DFU process if this device uses Private Resolvable Addresses. */ + ble_gap_enc_key_t enc_key; /**< Encryption key structure containing encrypted diversifier and LTK for re-establishing the bond. */ + uint8_t sys_serv_attr[SYSTEM_SERVICE_ATT_SIZE]; /**< System service attributes for restoring of Service Changed Indication setting in DFU mode. */ +} dfu_ble_peer_data_t; + +/**@brief SVC Function for setting peer data containing address, IRK, and LTK to establish bonded + * connection in DFU mode. + * + * @param[in] p_peer_data Pointer to the peer data containing keys for the connection. + * + * @retval NRF_ERROR_NULL If a NULL pointer was provided as argument. + * @retval NRF_SUCCESS If the function completed successfully. + */ +SVCALL(DFU_BLE_SVC_PEER_DATA_SET, uint32_t, dfu_ble_svc_peer_data_set(dfu_ble_peer_data_t * p_peer_data)); + +#endif // DFU_BLE_SVC_H__ + +/** @} */