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Diff: source/btle/btle.cpp
- Revision:
- 381:c997e9717fb7
- Parent:
- 374:d57070489710
diff -r 2261d409921e -r c997e9717fb7 source/btle/btle.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/source/btle/btle.cpp Mon Jul 06 10:21:03 2015 +0100 @@ -0,0 +1,202 @@ +/* mbed Microcontroller Library + * Copyright (c) 2006-2013 ARM Limited + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include "common/common.h" +#include "nordic_common.h" + +#include "btle.h" + +#include "ble_stack_handler_types.h" +#include "ble_flash.h" +#include "ble_conn_params.h" + +#include "btle_gap.h" +#include "btle_advertising.h" +#include "custom/custom_helper.h" + +#include "softdevice_handler.h" +#include "pstorage.h" + +#include "ble/GapEvents.h" +#include "nRF51Gap.h" +#include "nRF51GattServer.h" +#include "nRF51SecurityManager.h" + +#include "device_manager.h" + +#include "ble_hci.h" +#include "btle_discovery.h" + +extern "C" void assert_nrf_callback(uint16_t line_num, const uint8_t *p_file_name); +void app_error_handler(uint32_t error_code, uint32_t line_num, const uint8_t *p_file_name); + +static void btle_handler(ble_evt_t *p_ble_evt); + +static void sys_evt_dispatch(uint32_t sys_evt) +{ + pstorage_sys_event_handler(sys_evt); +} + +error_t btle_init(void) +{ +#if defined(TARGET_DELTA_DFCM_NNN40) || defined(TARGET_HRM1017) + SOFTDEVICE_HANDLER_INIT(NRF_CLOCK_LFCLKSRC_RC_250_PPM_4000MS_CALIBRATION, NULL); +#else + SOFTDEVICE_HANDLER_INIT(NRF_CLOCK_LFCLKSRC_XTAL_20_PPM, NULL); +#endif + + // Enable BLE stack + /** + * Using this call, the application can select whether to include the + * Service Changed characteristic in the GATT Server. The default in all + * previous releases has been to include the Service Changed characteristic, + * but this affects how GATT clients behave. Specifically, it requires + * clients to subscribe to this attribute and not to cache attribute handles + * between connections unless the devices are bonded. If the application + * does not need to change the structure of the GATT server attributes at + * runtime this adds unnecessary complexity to the interaction with peer + * clients. If the SoftDevice is enabled with the Service Changed + * Characteristics turned off, then clients are allowed to cache attribute + * handles making applications simpler on both sides. + */ + static const bool IS_SRVC_CHANGED_CHARACT_PRESENT = true; + ble_enable_params_t enableParams = { + .gatts_enable_params = { + .service_changed = IS_SRVC_CHANGED_CHARACT_PRESENT + } + }; + if (sd_ble_enable(&enableParams) != NRF_SUCCESS) { + return ERROR_INVALID_PARAM; + } + + ble_gap_addr_t addr; + if (sd_ble_gap_address_get(&addr) != NRF_SUCCESS) { + return ERROR_INVALID_PARAM; + } + if (sd_ble_gap_address_set(BLE_GAP_ADDR_CYCLE_MODE_NONE, &addr) != NRF_SUCCESS) { + return ERROR_INVALID_PARAM; + } + + ASSERT_STATUS( softdevice_ble_evt_handler_set(btle_handler)); + ASSERT_STATUS( softdevice_sys_evt_handler_set(sys_evt_dispatch)); + + btle_gap_init(); + + return ERROR_NONE; +} + +static void btle_handler(ble_evt_t *p_ble_evt) +{ + /* Library service handlers */ +#if SDK_CONN_PARAMS_MODULE_ENABLE + ble_conn_params_on_ble_evt(p_ble_evt); +#endif + + dm_ble_evt_handler(p_ble_evt); + + bleGattcEventHandler(p_ble_evt); + + /* Custom event handler */ + switch (p_ble_evt->header.evt_id) { + case BLE_GAP_EVT_CONNECTED: { + Gap::Handle_t handle = p_ble_evt->evt.gap_evt.conn_handle; + nRF51Gap::getInstance().setConnectionHandle(handle); + const Gap::ConnectionParams_t *params = reinterpret_cast<Gap::ConnectionParams_t *>(&(p_ble_evt->evt.gap_evt.params.connected.conn_params)); + const ble_gap_addr_t *peer = &p_ble_evt->evt.gap_evt.params.connected.peer_addr; + const ble_gap_addr_t *own = &p_ble_evt->evt.gap_evt.params.connected.own_addr; + nRF51Gap::getInstance().processConnectionEvent(handle, + static_cast<Gap::Role_t>(p_ble_evt->evt.gap_evt.params.connected.role), + static_cast<Gap::AddressType_t>(peer->addr_type), peer->addr, + static_cast<Gap::AddressType_t>(own->addr_type), own->addr, + params); + break; + } + + case BLE_GAP_EVT_DISCONNECTED: { + Gap::Handle_t handle = p_ble_evt->evt.gap_evt.conn_handle; + // Since we are not in a connection and have not started advertising, + // store bonds + nRF51Gap::getInstance().setConnectionHandle (BLE_CONN_HANDLE_INVALID); + + Gap::DisconnectionReason_t reason; + switch (p_ble_evt->evt.gap_evt.params.disconnected.reason) { + case BLE_HCI_LOCAL_HOST_TERMINATED_CONNECTION: + reason = Gap::LOCAL_HOST_TERMINATED_CONNECTION; + break; + case BLE_HCI_REMOTE_USER_TERMINATED_CONNECTION: + reason = Gap::REMOTE_USER_TERMINATED_CONNECTION; + break; + case BLE_HCI_CONN_INTERVAL_UNACCEPTABLE: + reason = Gap::CONN_INTERVAL_UNACCEPTABLE; + break; + default: + /* Please refer to the underlying transport library for an + * interpretion of this reason's value. */ + reason = static_cast<Gap::DisconnectionReason_t>(p_ble_evt->evt.gap_evt.params.disconnected.reason); + break; + } + nRF51Gap::getInstance().processDisconnectionEvent(handle, reason); + break; + } + + case BLE_GAP_EVT_PASSKEY_DISPLAY: + nRF51SecurityManager::getInstance().processPasskeyDisplayEvent(p_ble_evt->evt.gap_evt.conn_handle, p_ble_evt->evt.gap_evt.params.passkey_display.passkey); + break; + + case BLE_GAP_EVT_TIMEOUT: + nRF51Gap::getInstance().processTimeoutEvent(static_cast<Gap::TimeoutSource_t>(p_ble_evt->evt.gap_evt.params.timeout.src)); + break; + + case BLE_GATTC_EVT_TIMEOUT: + case BLE_GATTS_EVT_TIMEOUT: + // Disconnect on GATT Server and Client timeout events. + // ASSERT_STATUS_RET_VOID (sd_ble_gap_disconnect(m_conn_handle, + // BLE_HCI_REMOTE_USER_TERMINATED_CONNECTION)); + break; + + case BLE_GAP_EVT_ADV_REPORT: { + const ble_gap_evt_adv_report_t *advReport = &p_ble_evt->evt.gap_evt.params.adv_report; + nRF51Gap::getInstance().processAdvertisementReport(advReport->peer_addr.addr, + advReport->rssi, + advReport->scan_rsp, + static_cast<GapAdvertisingParams::AdvertisingType_t>(advReport->type), + advReport->dlen, + advReport->data); + break; + } + + default: + break; + } + + nRF51GattServer::getInstance().hwCallback(p_ble_evt); +} + +/*! @brief Callback when an error occurs inside the SoftDevice */ +void assert_nrf_callback(uint16_t line_num, const uint8_t *p_file_name) +{ + ASSERT(false, (void) 0); +} + +/*! + @brief Handler for general errors above the SoftDevice layer. + Typically we can' recover from this so we do a reset. +*/ +void app_error_handler(uint32_t error_code, uint32_t line_num, const uint8_t *p_file_name) +{ + ASSERT_STATUS_RET_VOID( error_code ); + NVIC_SystemReset(); +} \ No newline at end of file