Interactive Device Design / simpleBLEControl

mediCAL's first BLE project

Dependents:   BLE_mediCAL

Fork of nRF51822 by Nordic Semiconductor

btle/btle.cpp@41:6e66cd970659, 2014-07-10 (annotated)

Committer:
Rohit Grover
Date:
Thu Jul 10 12:12:18 2014 +0100
Revision:
41:6e66cd970659
Parent:
40:1cb3707fa798
Child:
52:120bd37b9d0d
connection and disconnection callbacks need to take a connection handle

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Rohit Grover 22:c6ee8136847e 1 /* mbed Microcontroller Library
Rohit Grover 22:c6ee8136847e 2 * Copyright (c) 2006-2013 ARM Limited
Rohit Grover 22:c6ee8136847e 3 *
Rohit Grover 22:c6ee8136847e 4 * Licensed under the Apache License, Version 2.0 (the "License");
Rohit Grover 22:c6ee8136847e 5 * you may not use this file except in compliance with the License.
Rohit Grover 22:c6ee8136847e 6 * You may obtain a copy of the License at
Rohit Grover 22:c6ee8136847e 7 *
Rohit Grover 22:c6ee8136847e 8 * http://www.apache.org/licenses/LICENSE-2.0
Rohit Grover 22:c6ee8136847e 9 *
Rohit Grover 22:c6ee8136847e 10 * Unless required by applicable law or agreed to in writing, software
Rohit Grover 22:c6ee8136847e 11 * distributed under the License is distributed on an "AS IS" BASIS,
Rohit Grover 22:c6ee8136847e 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
Rohit Grover 22:c6ee8136847e 13 * See the License for the specific language governing permissions and
Rohit Grover 22:c6ee8136847e 14 * limitations under the License.
Rohit Grover 22:c6ee8136847e 15 */
Rohit Grover 22:c6ee8136847e 16 #include "common/common.h"
Rohit Grover 37:c29c330d942c 17 #include "nordic_common.h"
Rohit Grover 22:c6ee8136847e 18
Rohit Grover 22:c6ee8136847e 19 #include "app_timer.h"
Rohit Grover 22:c6ee8136847e 20 #include "btle.h"
Rohit Grover 22:c6ee8136847e 21
Rohit Grover 22:c6ee8136847e 22 #include "ble_stack_handler_types.h"
Rohit Grover 22:c6ee8136847e 23 #include "ble_radio_notification.h"
Rohit Grover 22:c6ee8136847e 24 #include "ble_flash.h"
Rohit Grover 37:c29c330d942c 25 #if NEED_BOND_MANAGER
Rohit Grover 22:c6ee8136847e 26 #include "ble_bondmngr.h"
Rohit Grover 37:c29c330d942c 27 #endif
Rohit Grover 22:c6ee8136847e 28 #include "ble_conn_params.h"
Rohit Grover 22:c6ee8136847e 29
Rohit Grover 22:c6ee8136847e 30 #include "btle_gap.h"
Rohit Grover 22:c6ee8136847e 31 #include "btle_advertising.h"
Rohit Grover 22:c6ee8136847e 32 #include "custom/custom_helper.h"
Rohit Grover 22:c6ee8136847e 33
Rohit Grover 22:c6ee8136847e 34 #include "softdevice_handler.h"
Rohit Grover 22:c6ee8136847e 35 #include "pstorage.h"
Rohit Grover 22:c6ee8136847e 36
Rohit Grover 22:c6ee8136847e 37 #include "hw/GapEvents.h"
Rohit Grover 22:c6ee8136847e 38 #include "nRF51Gap.h"
Rohit Grover 22:c6ee8136847e 39 #include "nRF51GattServer.h"
Rohit Grover 22:c6ee8136847e 40
Rohit Grover 32:84dea0924a63 41 #if NEED_BOND_MANAGER /* disabled by default */
Rohit Grover 22:c6ee8136847e 42 static void service_error_callback(uint32_t nrf_error);
Rohit Grover 32:84dea0924a63 43 #endif
Rohit Grover 22:c6ee8136847e 44 void assert_nrf_callback(uint16_t line_num, const uint8_t *p_file_name);
Rohit Grover 22:c6ee8136847e 45 void app_error_handler(uint32_t error_code,
Rohit Grover 22:c6ee8136847e 46 uint32_t line_num,
Rohit Grover 22:c6ee8136847e 47 const uint8_t *p_file_name);
Rohit Grover 22:c6ee8136847e 48
Rohit Grover 32:84dea0924a63 49 #if NEED_BOND_MANAGER /* disabled by default */
Rohit Grover 22:c6ee8136847e 50 static error_t bond_manager_init(void);
Rohit Grover 32:84dea0924a63 51 #endif
Rohit Grover 22:c6ee8136847e 52
Rohit Grover 22:c6ee8136847e 53 static void btle_handler(ble_evt_t *p_ble_evt);
Rohit Grover 22:c6ee8136847e 54
Rohit Grover 22:c6ee8136847e 55 static void sys_evt_dispatch(uint32_t sys_evt)
Rohit Grover 22:c6ee8136847e 56 {
Rohit Grover 33:8efbbf54b66f 57 #if NEED_PSTORAGE /* disabled by default */
Rohit Grover 22:c6ee8136847e 58 pstorage_sys_event_handler(sys_evt);
Rohit Grover 33:8efbbf54b66f 59 #endif
Rohit Grover 22:c6ee8136847e 60 }
Rohit Grover 22:c6ee8136847e 61
Rohit Grover 22:c6ee8136847e 62 error_t btle_init(void)
Rohit Grover 22:c6ee8136847e 63 {
Rohit Grover 22:c6ee8136847e 64 APP_TIMER_INIT(0, 8, 5, false);
Rohit Grover 22:c6ee8136847e 65 SOFTDEVICE_HANDLER_INIT(NRF_CLOCK_LFCLKSRC_XTAL_20_PPM, false);
Rohit Grover 22:c6ee8136847e 66
Rohit Grover 22:c6ee8136847e 67 ASSERT_STATUS( softdevice_ble_evt_handler_set(btle_handler));
Rohit Grover 22:c6ee8136847e 68 ASSERT_STATUS( softdevice_sys_evt_handler_set(sys_evt_dispatch));
Rohit Grover 22:c6ee8136847e 69
Rohit Grover 32:84dea0924a63 70 #if NEED_BOND_MANAGER /* disabled by default */
Rohit Grover 22:c6ee8136847e 71 bond_manager_init();
Rohit Grover 32:84dea0924a63 72 #endif
Rohit Grover 22:c6ee8136847e 73 btle_gap_init();
Rohit Grover 22:c6ee8136847e 74
Rohit Grover 22:c6ee8136847e 75 return ERROR_NONE;
Rohit Grover 22:c6ee8136847e 76 }
Rohit Grover 22:c6ee8136847e 77
Rohit Grover 22:c6ee8136847e 78 static void btle_handler(ble_evt_t *p_ble_evt)
Rohit Grover 22:c6ee8136847e 79 {
Rohit Grover 22:c6ee8136847e 80 /* Library service handlers */
Rohit Grover 32:84dea0924a63 81 #if NEED_BOND_MANAGER /* disabled by default */
Rohit Grover 22:c6ee8136847e 82 ble_bondmngr_on_ble_evt(p_ble_evt);
Rohit Grover 32:84dea0924a63 83 #endif
Rohit Grover 22:c6ee8136847e 84 ble_conn_params_on_ble_evt(p_ble_evt);
Rohit Grover 22:c6ee8136847e 85
Rohit Grover 22:c6ee8136847e 86 /* Custom event handler */
Rohit Grover 22:c6ee8136847e 87 switch (p_ble_evt->header.evt_id) {
Rohit Grover 41:6e66cd970659 88 case BLE_GAP_EVT_CONNECTED: {
Rohit Grover 41:6e66cd970659 89 Gap::Handle_t handle = p_ble_evt->evt.gap_evt.conn_handle;
Rohit Grover 41:6e66cd970659 90 nRF51Gap::getInstance().setConnectionHandle(handle);
Rohit Grover 41:6e66cd970659 91 nRF51Gap::getInstance().processHandleSpecificEvent(GapEvents::GAP_EVENT_CONNECTED, handle);
Rohit Grover 22:c6ee8136847e 92 break;
Rohit Grover 41:6e66cd970659 93 }
Rohit Grover 22:c6ee8136847e 94
Rohit Grover 41:6e66cd970659 95 case BLE_GAP_EVT_DISCONNECTED: {
Rohit Grover 41:6e66cd970659 96 Gap::Handle_t handle = p_ble_evt->evt.gap_evt.conn_handle;
Rohit Grover 22:c6ee8136847e 97 // Since we are not in a connection and have not started advertising,
Rohit Grover 22:c6ee8136847e 98 // store bonds
Rohit Grover 22:c6ee8136847e 99 nRF51Gap::getInstance().setConnectionHandle (BLE_CONN_HANDLE_INVALID);
Rohit Grover 32:84dea0924a63 100 #if NEED_BOND_MANAGER /* disabled by default */
Rohit Grover 22:c6ee8136847e 101 ASSERT_STATUS_RET_VOID ( ble_bondmngr_bonded_centrals_store());
Rohit Grover 32:84dea0924a63 102 #endif
Rohit Grover 41:6e66cd970659 103 nRF51Gap::getInstance().processHandleSpecificEvent(GapEvents::GAP_EVENT_DISCONNECTED, handle);
Rohit Grover 22:c6ee8136847e 104 break;
Rohit Grover 41:6e66cd970659 105 }
Rohit Grover 22:c6ee8136847e 106
Rohit Grover 22:c6ee8136847e 107 case BLE_GAP_EVT_SEC_PARAMS_REQUEST: {
Rohit Grover 22:c6ee8136847e 108 ble_gap_sec_params_t sec_params = {0};
Rohit Grover 22:c6ee8136847e 109
Rohit Grover 22:c6ee8136847e 110 sec_params.timeout = 30; /*< Timeout for Pairing Request or
Rohit Grover 22:c6ee8136847e 111 * Security Request (in seconds). */
Rohit Grover 22:c6ee8136847e 112 sec_params.bond = 1; /**< Perform bonding. */
Rohit Grover 22:c6ee8136847e 113 sec_params.mitm = CFG_BLE_SEC_PARAM_MITM;
Rohit Grover 22:c6ee8136847e 114 sec_params.io_caps = CFG_BLE_SEC_PARAM_IO_CAPABILITIES;
Rohit Grover 22:c6ee8136847e 115 sec_params.oob = CFG_BLE_SEC_PARAM_OOB;
Rohit Grover 22:c6ee8136847e 116 sec_params.min_key_size = CFG_BLE_SEC_PARAM_MIN_KEY_SIZE;
Rohit Grover 22:c6ee8136847e 117 sec_params.max_key_size = CFG_BLE_SEC_PARAM_MAX_KEY_SIZE;
Rohit Grover 22:c6ee8136847e 118
Rohit Grover 22:c6ee8136847e 119 ASSERT_STATUS_RET_VOID(
Rohit Grover 22:c6ee8136847e 120 sd_ble_gap_sec_params_reply(nRF51Gap::getInstance().
Rohit Grover 22:c6ee8136847e 121 getConnectionHandle(),
Rohit Grover 22:c6ee8136847e 122 BLE_GAP_SEC_STATUS_SUCCESS,
Rohit Grover 22:c6ee8136847e 123 &sec_params));
Rohit Grover 22:c6ee8136847e 124 }
Rohit Grover 22:c6ee8136847e 125 break;
Rohit Grover 22:c6ee8136847e 126
Rohit Grover 22:c6ee8136847e 127 case BLE_GAP_EVT_TIMEOUT:
Rohit Grover 40:1cb3707fa798 128 if (p_ble_evt->evt.gap_evt.params.timeout.src == BLE_GAP_TIMEOUT_SRC_ADVERTISEMENT) {
Rohit Grover 41:6e66cd970659 129 nRF51Gap::getInstance().processEvent(GapEvents::GAP_EVENT_TIMEOUT);
Rohit Grover 22:c6ee8136847e 130 }
Rohit Grover 22:c6ee8136847e 131 break;
Rohit Grover 22:c6ee8136847e 132
Rohit Grover 22:c6ee8136847e 133 case BLE_GATTC_EVT_TIMEOUT:
Rohit Grover 22:c6ee8136847e 134 case BLE_GATTS_EVT_TIMEOUT:
Rohit Grover 22:c6ee8136847e 135 // Disconnect on GATT Server and Client timeout events.
Rohit Grover 22:c6ee8136847e 136 // ASSERT_STATUS_RET_VOID (sd_ble_gap_disconnect(m_conn_handle,
Rohit Grover 22:c6ee8136847e 137 // BLE_HCI_REMOTE_USER_TERMINATED_CONNECTION));
Rohit Grover 22:c6ee8136847e 138 break;
Rohit Grover 22:c6ee8136847e 139
Rohit Grover 22:c6ee8136847e 140 default:
Rohit Grover 22:c6ee8136847e 141 break;
Rohit Grover 22:c6ee8136847e 142 }
Rohit Grover 22:c6ee8136847e 143
Rohit Grover 22:c6ee8136847e 144 nRF51GattServer::getInstance().hwCallback(p_ble_evt);
Rohit Grover 22:c6ee8136847e 145 }
Rohit Grover 22:c6ee8136847e 146
Rohit Grover 32:84dea0924a63 147 #if NEED_BOND_MANAGER /* disabled by default */
Rohit Grover 22:c6ee8136847e 148 /**************************************************************************/
Rohit Grover 22:c6ee8136847e 149 /*!
Rohit Grover 22:c6ee8136847e 150 @brief Initialises the bond manager
Rohit Grover 22:c6ee8136847e 151
Rohit Grover 22:c6ee8136847e 152 @note Bond data will be cleared on reset if the bond delete
Rohit Grover 22:c6ee8136847e 153 button is pressed during initialisation (the button is
Rohit Grover 22:c6ee8136847e 154 defined as CFG_BLE_BOND_DELETE_BUTTON_NUM).
Rohit Grover 22:c6ee8136847e 155
Rohit Grover 22:c6ee8136847e 156 @returns
Rohit Grover 22:c6ee8136847e 157 */
Rohit Grover 22:c6ee8136847e 158 /**************************************************************************/
Rohit Grover 22:c6ee8136847e 159 static error_t bond_manager_init(void)
Rohit Grover 22:c6ee8136847e 160 {
Rohit Grover 22:c6ee8136847e 161 ble_bondmngr_init_t bond_para = {0};
Rohit Grover 22:c6ee8136847e 162
Rohit Grover 22:c6ee8136847e 163 ASSERT_STATUS ( pstorage_init());
Rohit Grover 22:c6ee8136847e 164
Rohit Grover 22:c6ee8136847e 165 bond_para.flash_page_num_bond = CFG_BLE_BOND_FLASH_PAGE_BOND;
Rohit Grover 22:c6ee8136847e 166 bond_para.flash_page_num_sys_attr = CFG_BLE_BOND_FLASH_PAGE_SYS_ATTR;
Rohit Grover 22:c6ee8136847e 167 //bond_para.bonds_delete = boardButtonCheck(CFG_BLE_BOND_DELETE_BUTTON_NUM) ;
Rohit Grover 22:c6ee8136847e 168 bond_para.evt_handler = NULL;
Rohit Grover 22:c6ee8136847e 169 bond_para.error_handler = service_error_callback;
Rohit Grover 22:c6ee8136847e 170
Rohit Grover 22:c6ee8136847e 171 ASSERT_STATUS( ble_bondmngr_init( &bond_para ));
Rohit Grover 22:c6ee8136847e 172
Rohit Grover 22:c6ee8136847e 173 /* Init radio active/inactive notification to flash (to only perform flashing when the radio is inactive) */
Rohit Grover 22:c6ee8136847e 174 // ASSERT_STATUS( ble_radio_notification_init(NRF_APP_PRIORITY_HIGH,
Rohit Grover 22:c6ee8136847e 175 // NRF_RADIO_NOTIFICATION_DISTANCE_4560US,
Rohit Grover 22:c6ee8136847e 176 // ble_flash_on_radio_active_evt) );
Rohit Grover 22:c6ee8136847e 177
Rohit Grover 22:c6ee8136847e 178 return ERROR_NONE;
Rohit Grover 22:c6ee8136847e 179 }
Rohit Grover 32:84dea0924a63 180 #endif // #if NEED_BOND_MANAGER
Rohit Grover 22:c6ee8136847e 181
Rohit Grover 32:84dea0924a63 182 #if NEED_BOND_MANAGER /* disabled by default */
Rohit Grover 22:c6ee8136847e 183 /**************************************************************************/
Rohit Grover 22:c6ee8136847e 184 /*!
Rohit Grover 22:c6ee8136847e 185 @brief
Rohit Grover 22:c6ee8136847e 186 @param[in] nrf_error
Rohit Grover 22:c6ee8136847e 187 @returns
Rohit Grover 22:c6ee8136847e 188 */
Rohit Grover 22:c6ee8136847e 189 /**************************************************************************/
Rohit Grover 22:c6ee8136847e 190 static void service_error_callback(uint32_t nrf_error)
Rohit Grover 22:c6ee8136847e 191 {
Rohit Grover 22:c6ee8136847e 192 ASSERT_STATUS_RET_VOID( nrf_error );
Rohit Grover 22:c6ee8136847e 193 }
Rohit Grover 32:84dea0924a63 194 #endif // #if NEED_BOND_MANAGER
Rohit Grover 22:c6ee8136847e 195
Rohit Grover 22:c6ee8136847e 196 /**************************************************************************/
Rohit Grover 22:c6ee8136847e 197 /*!
Rohit Grover 22:c6ee8136847e 198 @brief Callback when an error occurs inside the SoftDevice
Rohit Grover 22:c6ee8136847e 199
Rohit Grover 22:c6ee8136847e 200 @param[in] line_num
Rohit Grover 22:c6ee8136847e 201 @param[in] p-file_name
Rohit Grover 22:c6ee8136847e 202
Rohit Grover 22:c6ee8136847e 203 @returns
Rohit Grover 22:c6ee8136847e 204 */
Rohit Grover 22:c6ee8136847e 205 /**************************************************************************/
Rohit Grover 22:c6ee8136847e 206 void assert_nrf_callback(uint16_t line_num, const uint8_t *p_file_name)
Rohit Grover 22:c6ee8136847e 207 {
Rohit Grover 22:c6ee8136847e 208 ASSERT(false, (void) 0);
Rohit Grover 22:c6ee8136847e 209 }
Rohit Grover 22:c6ee8136847e 210
Rohit Grover 22:c6ee8136847e 211 /**************************************************************************/
Rohit Grover 22:c6ee8136847e 212 /*!
Rohit Grover 22:c6ee8136847e 213 @brief Handler for general errors above the SoftDevice layer.
Rohit Grover 22:c6ee8136847e 214 Typically we can' recover from this so we do a reset.
Rohit Grover 22:c6ee8136847e 215
Rohit Grover 22:c6ee8136847e 216 @param[in] error_code
Rohit Grover 22:c6ee8136847e 217 @param[in] line_num
Rohit Grover 22:c6ee8136847e 218 @param[in] p-file_name
Rohit Grover 22:c6ee8136847e 219
Rohit Grover 22:c6ee8136847e 220 @returns
Rohit Grover 22:c6ee8136847e 221 */
Rohit Grover 22:c6ee8136847e 222 /**************************************************************************/
Rohit Grover 22:c6ee8136847e 223 void app_error_handler(uint32_t error_code,
Rohit Grover 22:c6ee8136847e 224 uint32_t line_num,
Rohit Grover 22:c6ee8136847e 225 const uint8_t *p_file_name)
Rohit Grover 22:c6ee8136847e 226 {
Rohit Grover 22:c6ee8136847e 227 ASSERT_STATUS_RET_VOID( error_code );
Rohit Grover 22:c6ee8136847e 228 NVIC_SystemReset();
Rohit Grover 22:c6ee8136847e 229 }