Peter Gao / nRF51822

Nordic stack and drivers for the mbed BLE API

Dependents:   idd_hw5_bleFanProto

Fork of nRF51822 by Nordic Semiconductor

btle/btle.cpp@0:eff01767de02, 2014-03-26 (annotated)

Committer:
bogdanm
Date:
Wed Mar 26 14:38:17 2014 +0000
Revision:
0:eff01767de02
Child:
1:f84abedbf4fb
Initial import of the nRF51822 code

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bogdanm 0:eff01767de02 1 /* mbed Microcontroller Library
bogdanm 0:eff01767de02 2 * Copyright (c) 2006-2013 ARM Limited
bogdanm 0:eff01767de02 3 *
bogdanm 0:eff01767de02 4 * Licensed under the Apache License, Version 2.0 (the "License");
bogdanm 0:eff01767de02 5 * you may not use this file except in compliance with the License.
bogdanm 0:eff01767de02 6 * You may obtain a copy of the License at
bogdanm 0:eff01767de02 7 *
bogdanm 0:eff01767de02 8 * http://www.apache.org/licenses/LICENSE-2.0
bogdanm 0:eff01767de02 9 *
bogdanm 0:eff01767de02 10 * Unless required by applicable law or agreed to in writing, software
bogdanm 0:eff01767de02 11 * distributed under the License is distributed on an "AS IS" BASIS,
bogdanm 0:eff01767de02 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
bogdanm 0:eff01767de02 13 * See the License for the specific language governing permissions and
bogdanm 0:eff01767de02 14 * limitations under the License.
bogdanm 0:eff01767de02 15 */
bogdanm 0:eff01767de02 16 #include "common/common.h"
bogdanm 0:eff01767de02 17
bogdanm 0:eff01767de02 18 #include "app_timer.h"
bogdanm 0:eff01767de02 19 #include "btle.h"
bogdanm 0:eff01767de02 20
bogdanm 0:eff01767de02 21 #include "ble_stack_handler_types.h"
bogdanm 0:eff01767de02 22 #include "ble_radio_notification.h"
bogdanm 0:eff01767de02 23 #include "ble_flash.h"
bogdanm 0:eff01767de02 24 #include "ble_bondmngr.h"
bogdanm 0:eff01767de02 25 #include "ble_conn_params.h"
bogdanm 0:eff01767de02 26
bogdanm 0:eff01767de02 27 #include "btle_gap.h"
bogdanm 0:eff01767de02 28 #include "btle_advertising.h"
bogdanm 0:eff01767de02 29 #include "custom/custom_helper.h"
bogdanm 0:eff01767de02 30
bogdanm 0:eff01767de02 31 #include "nordic_common.h"
bogdanm 0:eff01767de02 32 #include "softdevice_handler.h"
bogdanm 0:eff01767de02 33 #include "pstorage.h"
bogdanm 0:eff01767de02 34
bogdanm 0:eff01767de02 35 #include "hw/GapEvents.h"
bogdanm 0:eff01767de02 36 #include "nRF51Gap.h"
bogdanm 0:eff01767de02 37 #include "nRF51GattServer.h"
bogdanm 0:eff01767de02 38
bogdanm 0:eff01767de02 39 static void service_error_callback(uint32_t nrf_error);
bogdanm 0:eff01767de02 40 void assert_nrf_callback(uint16_t line_num, const uint8_t * p_file_name);
bogdanm 0:eff01767de02 41 void app_error_handler(uint32_t error_code, uint32_t line_num, const uint8_t * p_file_name);
bogdanm 0:eff01767de02 42
bogdanm 0:eff01767de02 43 static error_t bond_manager_init(void);
bogdanm 0:eff01767de02 44
bogdanm 0:eff01767de02 45 static void btle_handler(ble_evt_t * p_ble_evt);
bogdanm 0:eff01767de02 46
bogdanm 0:eff01767de02 47 /**************************************************************************/
bogdanm 0:eff01767de02 48 /*!
bogdanm 0:eff01767de02 49
bogdanm 0:eff01767de02 50 */
bogdanm 0:eff01767de02 51 /**************************************************************************/
bogdanm 0:eff01767de02 52 static void sys_evt_dispatch(uint32_t sys_evt)
bogdanm 0:eff01767de02 53 {
bogdanm 0:eff01767de02 54 pstorage_sys_event_handler(sys_evt);
bogdanm 0:eff01767de02 55 }
bogdanm 0:eff01767de02 56
bogdanm 0:eff01767de02 57 /**************************************************************************/
bogdanm 0:eff01767de02 58 /*!
bogdanm 0:eff01767de02 59 @brief Initialises BTLE and the underlying HW/SoftDevice
bogdanm 0:eff01767de02 60
bogdanm 0:eff01767de02 61 @returns
bogdanm 0:eff01767de02 62 */
bogdanm 0:eff01767de02 63 /**************************************************************************/
bogdanm 0:eff01767de02 64 error_t btle_init(void)
bogdanm 0:eff01767de02 65 {
bogdanm 0:eff01767de02 66 APP_TIMER_INIT(0, 8, 5, false);
bogdanm 0:eff01767de02 67 SOFTDEVICE_HANDLER_INIT(NRF_CLOCK_LFCLKSRC_XTAL_20_PPM, false);
bogdanm 0:eff01767de02 68
bogdanm 0:eff01767de02 69 ASSERT_STATUS( softdevice_ble_evt_handler_set(btle_handler) );
bogdanm 0:eff01767de02 70 ASSERT_STATUS( softdevice_sys_evt_handler_set(sys_evt_dispatch) );
bogdanm 0:eff01767de02 71
bogdanm 0:eff01767de02 72 bond_manager_init();
bogdanm 0:eff01767de02 73 btle_gap_init();
bogdanm 0:eff01767de02 74
bogdanm 0:eff01767de02 75 return ERROR_NONE;
bogdanm 0:eff01767de02 76 }
bogdanm 0:eff01767de02 77
bogdanm 0:eff01767de02 78 /**************************************************************************/
bogdanm 0:eff01767de02 79 /*!
bogdanm 0:eff01767de02 80 @brief
bogdanm 0:eff01767de02 81
bogdanm 0:eff01767de02 82 @param[in] p_ble_evt
bogdanm 0:eff01767de02 83
bogdanm 0:eff01767de02 84 @returns
bogdanm 0:eff01767de02 85 */
bogdanm 0:eff01767de02 86 /**************************************************************************/
bogdanm 0:eff01767de02 87 static void btle_handler(ble_evt_t * p_ble_evt)
bogdanm 0:eff01767de02 88 {
bogdanm 0:eff01767de02 89 /* Library service handlers */
bogdanm 0:eff01767de02 90 ble_bondmngr_on_ble_evt(p_ble_evt);
bogdanm 0:eff01767de02 91 ble_conn_params_on_ble_evt(p_ble_evt);
bogdanm 0:eff01767de02 92
bogdanm 0:eff01767de02 93 /* Custom event handler */
bogdanm 0:eff01767de02 94 switch (p_ble_evt->header.evt_id)
bogdanm 0:eff01767de02 95 {
bogdanm 0:eff01767de02 96 case BLE_GAP_EVT_CONNECTED:
bogdanm 0:eff01767de02 97 nRF51GattServer::getInstance().m_connectionHandle = p_ble_evt->evt.gap_evt.conn_handle;
bogdanm 0:eff01767de02 98 nRF51Gap::getInstance().handleEvent(GapEvents::GAP_EVENT_CONNECTED);
bogdanm 0:eff01767de02 99 break;
bogdanm 0:eff01767de02 100
bogdanm 0:eff01767de02 101 case BLE_GAP_EVT_DISCONNECTED:
bogdanm 0:eff01767de02 102 // Since we are not in a connection and have not started advertising, store bonds
bogdanm 0:eff01767de02 103 nRF51GattServer::getInstance().m_connectionHandle = BLE_CONN_HANDLE_INVALID;
bogdanm 0:eff01767de02 104 ASSERT_STATUS_RET_VOID ( ble_bondmngr_bonded_centrals_store() );
bogdanm 0:eff01767de02 105 nRF51Gap::getInstance().handleEvent(GapEvents::GAP_EVENT_DISCONNECTED);
bogdanm 0:eff01767de02 106 break;
bogdanm 0:eff01767de02 107
bogdanm 0:eff01767de02 108 case BLE_GAP_EVT_SEC_PARAMS_REQUEST:
bogdanm 0:eff01767de02 109 {
bogdanm 0:eff01767de02 110 ble_gap_sec_params_t sec_params = { 0 };
bogdanm 0:eff01767de02 111
bogdanm 0:eff01767de02 112 sec_params.timeout = 30 ; /**< Timeout for Pairing Request or Security Request (in seconds). */
bogdanm 0:eff01767de02 113 sec_params.bond = 1 ; /**< Perform bonding. */
bogdanm 0:eff01767de02 114 sec_params.mitm = CFG_BLE_SEC_PARAM_MITM ;
bogdanm 0:eff01767de02 115 sec_params.io_caps = CFG_BLE_SEC_PARAM_IO_CAPABILITIES ;
bogdanm 0:eff01767de02 116 sec_params.oob = CFG_BLE_SEC_PARAM_OOB ;
bogdanm 0:eff01767de02 117 sec_params.min_key_size = CFG_BLE_SEC_PARAM_MIN_KEY_SIZE ;
bogdanm 0:eff01767de02 118 sec_params.max_key_size = CFG_BLE_SEC_PARAM_MAX_KEY_SIZE ;
bogdanm 0:eff01767de02 119
bogdanm 0:eff01767de02 120 ASSERT_STATUS_RET_VOID ( sd_ble_gap_sec_params_reply(nRF51GattServer::getInstance().m_connectionHandle, BLE_GAP_SEC_STATUS_SUCCESS, &sec_params) );
bogdanm 0:eff01767de02 121 }
bogdanm 0:eff01767de02 122 break;
bogdanm 0:eff01767de02 123
bogdanm 0:eff01767de02 124 case BLE_GAP_EVT_TIMEOUT:
bogdanm 0:eff01767de02 125 if (p_ble_evt->evt.gap_evt.params.timeout.src == BLE_GAP_TIMEOUT_SRC_ADVERTISEMENT)
bogdanm 0:eff01767de02 126 {
bogdanm 0:eff01767de02 127 nRF51Gap::getInstance().handleEvent(GapEvents::GAP_EVENT_TIMEOUT);
bogdanm 0:eff01767de02 128 }
bogdanm 0:eff01767de02 129 break;
bogdanm 0:eff01767de02 130
bogdanm 0:eff01767de02 131 case BLE_GATTC_EVT_TIMEOUT:
bogdanm 0:eff01767de02 132 case BLE_GATTS_EVT_TIMEOUT:
bogdanm 0:eff01767de02 133 // Disconnect on GATT Server and Client timeout events.
bogdanm 0:eff01767de02 134 // ASSERT_STATUS_RET_VOID (sd_ble_gap_disconnect(m_conn_handle, BLE_HCI_REMOTE_USER_TERMINATED_CONNECTION));
bogdanm 0:eff01767de02 135 break;
bogdanm 0:eff01767de02 136
bogdanm 0:eff01767de02 137 default:
bogdanm 0:eff01767de02 138 break;
bogdanm 0:eff01767de02 139 }
bogdanm 0:eff01767de02 140
bogdanm 0:eff01767de02 141 nRF51GattServer::getInstance().hwCallback(p_ble_evt);
bogdanm 0:eff01767de02 142 }
bogdanm 0:eff01767de02 143
bogdanm 0:eff01767de02 144 /**************************************************************************/
bogdanm 0:eff01767de02 145 /*!
bogdanm 0:eff01767de02 146 @brief Initialises the bond manager
bogdanm 0:eff01767de02 147
bogdanm 0:eff01767de02 148 @note Bond data will be cleared on reset if the bond delete
bogdanm 0:eff01767de02 149 button is pressed during initialisation (the button is
bogdanm 0:eff01767de02 150 defined as CFG_BLE_BOND_DELETE_BUTTON_NUM).
bogdanm 0:eff01767de02 151
bogdanm 0:eff01767de02 152 @returns
bogdanm 0:eff01767de02 153 */
bogdanm 0:eff01767de02 154 /**************************************************************************/
bogdanm 0:eff01767de02 155 static error_t bond_manager_init(void)
bogdanm 0:eff01767de02 156 {
bogdanm 0:eff01767de02 157 ble_bondmngr_init_t bond_para = { 0 };
bogdanm 0:eff01767de02 158
bogdanm 0:eff01767de02 159 ASSERT_STATUS ( pstorage_init() );
bogdanm 0:eff01767de02 160
bogdanm 0:eff01767de02 161 bond_para.flash_page_num_bond = CFG_BLE_BOND_FLASH_PAGE_BOND ;
bogdanm 0:eff01767de02 162 bond_para.flash_page_num_sys_attr = CFG_BLE_BOND_FLASH_PAGE_SYS_ATTR ;
bogdanm 0:eff01767de02 163 //bond_para.bonds_delete = boardButtonCheck(CFG_BLE_BOND_DELETE_BUTTON_NUM) ;
bogdanm 0:eff01767de02 164 bond_para.evt_handler = NULL ;
bogdanm 0:eff01767de02 165 bond_para.error_handler = service_error_callback ;
bogdanm 0:eff01767de02 166
bogdanm 0:eff01767de02 167 ASSERT_STATUS( ble_bondmngr_init( &bond_para ) );
bogdanm 0:eff01767de02 168
bogdanm 0:eff01767de02 169 /* Init radio active/inactive notification to flash (to only perform flashing when the radio is inactive) */
bogdanm 0:eff01767de02 170 // ASSERT_STATUS( ble_radio_notification_init(NRF_APP_PRIORITY_HIGH,
bogdanm 0:eff01767de02 171 // NRF_RADIO_NOTIFICATION_DISTANCE_4560US,
bogdanm 0:eff01767de02 172 // ble_flash_on_radio_active_evt) );
bogdanm 0:eff01767de02 173
bogdanm 0:eff01767de02 174 return ERROR_NONE;
bogdanm 0:eff01767de02 175 }
bogdanm 0:eff01767de02 176
bogdanm 0:eff01767de02 177 /**************************************************************************/
bogdanm 0:eff01767de02 178 /*!
bogdanm 0:eff01767de02 179 @brief
bogdanm 0:eff01767de02 180 @param[in] nrf_error
bogdanm 0:eff01767de02 181 @returns
bogdanm 0:eff01767de02 182 */
bogdanm 0:eff01767de02 183 /**************************************************************************/
bogdanm 0:eff01767de02 184 static void service_error_callback(uint32_t nrf_error)
bogdanm 0:eff01767de02 185 {
bogdanm 0:eff01767de02 186 ASSERT_STATUS_RET_VOID( nrf_error );
bogdanm 0:eff01767de02 187 }
bogdanm 0:eff01767de02 188
bogdanm 0:eff01767de02 189 /**************************************************************************/
bogdanm 0:eff01767de02 190 /*!
bogdanm 0:eff01767de02 191 @brief Callback when an error occurs inside the SoftDevice
bogdanm 0:eff01767de02 192
bogdanm 0:eff01767de02 193 @param[in] line_num
bogdanm 0:eff01767de02 194 @param[in] p-file_name
bogdanm 0:eff01767de02 195
bogdanm 0:eff01767de02 196 @returns
bogdanm 0:eff01767de02 197 */
bogdanm 0:eff01767de02 198 /**************************************************************************/
bogdanm 0:eff01767de02 199 void assert_nrf_callback(uint16_t line_num, const uint8_t * p_file_name)
bogdanm 0:eff01767de02 200 {
bogdanm 0:eff01767de02 201 ASSERT(false, (void) 0);
bogdanm 0:eff01767de02 202 }
bogdanm 0:eff01767de02 203
bogdanm 0:eff01767de02 204 /**************************************************************************/
bogdanm 0:eff01767de02 205 /*!
bogdanm 0:eff01767de02 206 @brief Handler for general errors above the SoftDevice layer.
bogdanm 0:eff01767de02 207 Typically we can' recover from this so we do a reset.
bogdanm 0:eff01767de02 208
bogdanm 0:eff01767de02 209 @param[in] error_code
bogdanm 0:eff01767de02 210 @param[in] line_num
bogdanm 0:eff01767de02 211 @param[in] p-file_name
bogdanm 0:eff01767de02 212
bogdanm 0:eff01767de02 213 @returns
bogdanm 0:eff01767de02 214 */
bogdanm 0:eff01767de02 215 /**************************************************************************/
bogdanm 0:eff01767de02 216 void app_error_handler(uint32_t error_code, uint32_t line_num, const uint8_t * p_file_name)
bogdanm 0:eff01767de02 217 {
bogdanm 0:eff01767de02 218 ASSERT_STATUS_RET_VOID( error_code );
bogdanm 0:eff01767de02 219 NVIC_SystemReset();
bogdanm 0:eff01767de02 220 }