mbed-os/libraries/ble/nRF51822/btle/btle.cpp

221 lines
7.2 KiB
C++

/* 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:
nRF51Gap::getInstance().setConnectionHandle( 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
nRF51Gap::getInstance().setConnectionHandle (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(nRF51Gap::getInstance().getConnectionHandle(), 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();
}