nochanges
Dependents: BLE_Acceleration_Statejudging
Fork of nRF51822 by
Diff: btle/btle.cpp
- Revision:
- 0:eff01767de02
- Child:
- 1:f84abedbf4fb
diff -r 000000000000 -r eff01767de02 btle/btle.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/btle/btle.cpp Wed Mar 26 14:38:17 2014 +0000 @@ -0,0 +1,220 @@ +/* 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 "app_timer.h" +#include "btle.h" + +#include "ble_stack_handler_types.h" +#include "ble_radio_notification.h" +#include "ble_flash.h" +#include "ble_bondmngr.h" +#include "ble_conn_params.h" + +#include "btle_gap.h" +#include "btle_advertising.h" +#include "custom/custom_helper.h" + +#include "nordic_common.h" +#include "softdevice_handler.h" +#include "pstorage.h" + +#include "hw/GapEvents.h" +#include "nRF51Gap.h" +#include "nRF51GattServer.h" + +static void service_error_callback(uint32_t nrf_error); +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 error_t bond_manager_init(void); + +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); +} + +/**************************************************************************/ +/*! + @brief Initialises BTLE and the underlying HW/SoftDevice + + @returns +*/ +/**************************************************************************/ +error_t btle_init(void) +{ + APP_TIMER_INIT(0, 8, 5, false); + SOFTDEVICE_HANDLER_INIT(NRF_CLOCK_LFCLKSRC_XTAL_20_PPM, false); + + ASSERT_STATUS( softdevice_ble_evt_handler_set(btle_handler) ); + ASSERT_STATUS( softdevice_sys_evt_handler_set(sys_evt_dispatch) ); + + bond_manager_init(); + btle_gap_init(); + + return ERROR_NONE; +} + +/**************************************************************************/ +/*! + @brief + + @param[in] p_ble_evt + + @returns +*/ +/**************************************************************************/ +static void btle_handler(ble_evt_t * p_ble_evt) +{ + /* Library service handlers */ + ble_bondmngr_on_ble_evt(p_ble_evt); + ble_conn_params_on_ble_evt(p_ble_evt); + + /* Custom event handler */ + switch (p_ble_evt->header.evt_id) + { + case BLE_GAP_EVT_CONNECTED: + nRF51GattServer::getInstance().m_connectionHandle = p_ble_evt->evt.gap_evt.conn_handle; + nRF51Gap::getInstance().handleEvent(GapEvents::GAP_EVENT_CONNECTED); + break; + + case BLE_GAP_EVT_DISCONNECTED: + // Since we are not in a connection and have not started advertising, store bonds + nRF51GattServer::getInstance().m_connectionHandle = BLE_CONN_HANDLE_INVALID; + ASSERT_STATUS_RET_VOID ( ble_bondmngr_bonded_centrals_store() ); + nRF51Gap::getInstance().handleEvent(GapEvents::GAP_EVENT_DISCONNECTED); + break; + + case BLE_GAP_EVT_SEC_PARAMS_REQUEST: + { + ble_gap_sec_params_t sec_params = { 0 }; + + sec_params.timeout = 30 ; /**< Timeout for Pairing Request or Security Request (in seconds). */ + sec_params.bond = 1 ; /**< Perform bonding. */ + sec_params.mitm = CFG_BLE_SEC_PARAM_MITM ; + sec_params.io_caps = CFG_BLE_SEC_PARAM_IO_CAPABILITIES ; + sec_params.oob = CFG_BLE_SEC_PARAM_OOB ; + sec_params.min_key_size = CFG_BLE_SEC_PARAM_MIN_KEY_SIZE ; + sec_params.max_key_size = CFG_BLE_SEC_PARAM_MAX_KEY_SIZE ; + + ASSERT_STATUS_RET_VOID ( sd_ble_gap_sec_params_reply(nRF51GattServer::getInstance().m_connectionHandle, BLE_GAP_SEC_STATUS_SUCCESS, &sec_params) ); + } + break; + + case BLE_GAP_EVT_TIMEOUT: + if (p_ble_evt->evt.gap_evt.params.timeout.src == BLE_GAP_TIMEOUT_SRC_ADVERTISEMENT) + { + nRF51Gap::getInstance().handleEvent(GapEvents::GAP_EVENT_TIMEOUT); + } + 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; + + default: + break; + } + + nRF51GattServer::getInstance().hwCallback(p_ble_evt); +} + +/**************************************************************************/ +/*! + @brief Initialises the bond manager + + @note Bond data will be cleared on reset if the bond delete + button is pressed during initialisation (the button is + defined as CFG_BLE_BOND_DELETE_BUTTON_NUM). + + @returns +*/ +/**************************************************************************/ +static error_t bond_manager_init(void) +{ + ble_bondmngr_init_t bond_para = { 0 }; + + ASSERT_STATUS ( pstorage_init() ); + + bond_para.flash_page_num_bond = CFG_BLE_BOND_FLASH_PAGE_BOND ; + bond_para.flash_page_num_sys_attr = CFG_BLE_BOND_FLASH_PAGE_SYS_ATTR ; + //bond_para.bonds_delete = boardButtonCheck(CFG_BLE_BOND_DELETE_BUTTON_NUM) ; + bond_para.evt_handler = NULL ; + bond_para.error_handler = service_error_callback ; + + ASSERT_STATUS( ble_bondmngr_init( &bond_para ) ); + + /* Init radio active/inactive notification to flash (to only perform flashing when the radio is inactive) */ + // ASSERT_STATUS( ble_radio_notification_init(NRF_APP_PRIORITY_HIGH, + // NRF_RADIO_NOTIFICATION_DISTANCE_4560US, + // ble_flash_on_radio_active_evt) ); + + return ERROR_NONE; +} + +/**************************************************************************/ +/*! + @brief + @param[in] nrf_error + @returns +*/ +/**************************************************************************/ +static void service_error_callback(uint32_t nrf_error) +{ + ASSERT_STATUS_RET_VOID( nrf_error ); +} + +/**************************************************************************/ +/*! + @brief Callback when an error occurs inside the SoftDevice + + @param[in] line_num + @param[in] p-file_name + + @returns +*/ +/**************************************************************************/ +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. + + @param[in] error_code + @param[in] line_num + @param[in] p-file_name + + @returns +*/ +/**************************************************************************/ +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(); +}