Oscar Ariza / nRF51822

nordic

Fork of nRF51822 by Nordic Semiconductor

btle/btle.cpp@126:35e4f65364bc, 2015-05-08 (annotated)

Committer:
rgrover1
Date:
Fri May 08 15:33:54 2015 +0100
Revision:
126:35e4f65364bc
Parent:
125:664d4257a9f8
Child:
128:bd1e1fe607e0
Synchronized with git rev 7e055bd0

Author: Rohit Grover

initialize the device manager to allow security setup.

Was able to bond with peer.

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 52:120bd37b9d0d 16
Rohit Grover 22:c6ee8136847e 17 #include "common/common.h"
Rohit Grover 37:c29c330d942c 18 #include "nordic_common.h"
Rohit Grover 22:c6ee8136847e 19
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_flash.h"
Rohit Grover 22:c6ee8136847e 24 #include "ble_conn_params.h"
Rohit Grover 22:c6ee8136847e 25
Rohit Grover 22:c6ee8136847e 26 #include "btle_gap.h"
Rohit Grover 22:c6ee8136847e 27 #include "btle_advertising.h"
Rohit Grover 22:c6ee8136847e 28 #include "custom/custom_helper.h"
Rohit Grover 22:c6ee8136847e 29
Rohit Grover 22:c6ee8136847e 30 #include "softdevice_handler.h"
Rohit Grover 22:c6ee8136847e 31 #include "pstorage.h"
Rohit Grover 22:c6ee8136847e 32
Rohit Grover 52:120bd37b9d0d 33 #include "GapEvents.h"
Rohit Grover 22:c6ee8136847e 34 #include "nRF51Gap.h"
Rohit Grover 22:c6ee8136847e 35 #include "nRF51GattServer.h"
rgrover1 125:664d4257a9f8 36 #include "device_manager.h"
Rohit Grover 22:c6ee8136847e 37
Rohit Grover 56:a1071b629aa3 38 #include "ble_hci.h"
Rohit Grover 56:a1071b629aa3 39
Rohit Grover 56:a1071b629aa3 40 extern "C" void assert_nrf_callback(uint16_t line_num, const uint8_t *p_file_name);
Rohit Grover 56:a1071b629aa3 41 void app_error_handler(uint32_t error_code, uint32_t line_num, const uint8_t *p_file_name);
Rohit Grover 22:c6ee8136847e 42
Rohit Grover 22:c6ee8136847e 43 static void btle_handler(ble_evt_t *p_ble_evt);
Rohit Grover 22:c6ee8136847e 44
rgrover1 126:35e4f65364bc 45 ret_code_t dm_handler(dm_handle_t const *p_handle, dm_event_t const *p_event, ret_code_t event_result);
rgrover1 126:35e4f65364bc 46
Rohit Grover 22:c6ee8136847e 47 static void sys_evt_dispatch(uint32_t sys_evt)
Rohit Grover 22:c6ee8136847e 48 {
Rohit Grover 22:c6ee8136847e 49 pstorage_sys_event_handler(sys_evt);
Rohit Grover 22:c6ee8136847e 50 }
Rohit Grover 22:c6ee8136847e 51
Rohit Grover 22:c6ee8136847e 52 error_t btle_init(void)
Rohit Grover 22:c6ee8136847e 53 {
rgrover1 95:2bac1b3c5cfc 54 #if defined(TARGET_DELTA_DFCM_NNN40) || defined(TARGET_HRM1017)
rgrover1 113:737b08b3b995 55 SOFTDEVICE_HANDLER_INIT(NRF_CLOCK_LFCLKSRC_RC_250_PPM_4000MS_CALIBRATION, NULL);
ytsuboi 61:d0158c65d0d7 56 #else
rgrover1 113:737b08b3b995 57 SOFTDEVICE_HANDLER_INIT(NRF_CLOCK_LFCLKSRC_XTAL_20_PPM, NULL);
ytsuboi 61:d0158c65d0d7 58 #endif
Rohit Grover 56:a1071b629aa3 59
Rohit Grover 56:a1071b629aa3 60 // Enable BLE stack
Rohit Grover 56:a1071b629aa3 61 /**
Rohit Grover 56:a1071b629aa3 62 * Using this call, the application can select whether to include the
Rohit Grover 56:a1071b629aa3 63 * Service Changed characteristic in the GATT Server. The default in all
Rohit Grover 56:a1071b629aa3 64 * previous releases has been to include the Service Changed characteristic,
Rohit Grover 56:a1071b629aa3 65 * but this affects how GATT clients behave. Specifically, it requires
Rohit Grover 56:a1071b629aa3 66 * clients to subscribe to this attribute and not to cache attribute handles
Rohit Grover 56:a1071b629aa3 67 * between connections unless the devices are bonded. If the application
Rohit Grover 56:a1071b629aa3 68 * does not need to change the structure of the GATT server attributes at
Rohit Grover 56:a1071b629aa3 69 * runtime this adds unnecessary complexity to the interaction with peer
Rohit Grover 56:a1071b629aa3 70 * clients. If the SoftDevice is enabled with the Service Changed
Rohit Grover 56:a1071b629aa3 71 * Characteristics turned off, then clients are allowed to cache attribute
Rohit Grover 56:a1071b629aa3 72 * handles making applications simpler on both sides.
Rohit Grover 56:a1071b629aa3 73 */
Rohit Grover 68:936d81c963fe 74 static const bool IS_SRVC_CHANGED_CHARACT_PRESENT = true;
Rohit Grover 56:a1071b629aa3 75 ble_enable_params_t enableParams = {
Rohit Grover 56:a1071b629aa3 76 .gatts_enable_params = {
Rohit Grover 56:a1071b629aa3 77 .service_changed = IS_SRVC_CHANGED_CHARACT_PRESENT
Rohit Grover 56:a1071b629aa3 78 }
Rohit Grover 56:a1071b629aa3 79 };
Rohit Grover 56:a1071b629aa3 80 if (sd_ble_enable(&enableParams) != NRF_SUCCESS) {
Rohit Grover 56:a1071b629aa3 81 return ERROR_INVALID_PARAM;
Rohit Grover 56:a1071b629aa3 82 }
Rohit Grover 56:a1071b629aa3 83
Rohit Grover 56:a1071b629aa3 84 ble_gap_addr_t addr;
Rohit Grover 56:a1071b629aa3 85 if (sd_ble_gap_address_get(&addr) != NRF_SUCCESS) {
Rohit Grover 56:a1071b629aa3 86 return ERROR_INVALID_PARAM;
Rohit Grover 56:a1071b629aa3 87 }
Rohit Grover 56:a1071b629aa3 88 if (sd_ble_gap_address_set(BLE_GAP_ADDR_CYCLE_MODE_NONE, &addr) != NRF_SUCCESS) {
Rohit Grover 56:a1071b629aa3 89 return ERROR_INVALID_PARAM;
Rohit Grover 56:a1071b629aa3 90 }
Rohit Grover 22:c6ee8136847e 91
Rohit Grover 22:c6ee8136847e 92 ASSERT_STATUS( softdevice_ble_evt_handler_set(btle_handler));
Rohit Grover 22:c6ee8136847e 93 ASSERT_STATUS( softdevice_sys_evt_handler_set(sys_evt_dispatch));
Rohit Grover 22:c6ee8136847e 94
rgrover1 124:e19f9f7874f9 95 pstorage_init();
rgrover1 124:e19f9f7874f9 96
rgrover1 125:664d4257a9f8 97 dm_init_param_t dm_init_param = {
rgrover1 125:664d4257a9f8 98 .clear_persistent_data = false /* Set to true in case the module should clear all persistent data. */
rgrover1 125:664d4257a9f8 99 };
rgrover1 125:664d4257a9f8 100 dm_init(&dm_init_param);
rgrover1 125:664d4257a9f8 101
rgrover1 126:35e4f65364bc 102 uint8_t applicationInstance;
rgrover1 126:35e4f65364bc 103 const dm_application_param_t dm_param = {
rgrover1 126:35e4f65364bc 104 .evt_handler = dm_handler,
rgrover1 126:35e4f65364bc 105 .service_type = DM_PROTOCOL_CNTXT_GATT_CLI_ID,
rgrover1 126:35e4f65364bc 106 .sec_param = {
rgrover1 126:35e4f65364bc 107 .bond = 1, /**< Perform bonding. */
rgrover1 126:35e4f65364bc 108 .mitm = 1, /**< Man In The Middle protection required. */
rgrover1 126:35e4f65364bc 109 .io_caps = BLE_GAP_IO_CAPS_NONE, /**< IO capabilities, see @ref BLE_GAP_IO_CAPS. */
rgrover1 126:35e4f65364bc 110 .oob = 0, /**< Out Of Band data available. */
rgrover1 126:35e4f65364bc 111 .min_key_size = 16, /**< Minimum encryption key size in octets between 7 and 16. If 0 then not applicable in this instance. */
rgrover1 126:35e4f65364bc 112 .max_key_size = 16, /**< Maximum encryption key size in octets between min_key_size and 16. */
rgrover1 126:35e4f65364bc 113 .kdist_periph = {
rgrover1 126:35e4f65364bc 114 .enc = 1, /**< Long Term Key and Master Identification. */
rgrover1 126:35e4f65364bc 115 .id = 1, /**< Identity Resolving Key and Identity Address Information. */
rgrover1 126:35e4f65364bc 116 .sign = 1, /**< Connection Signature Resolving Key. */
rgrover1 126:35e4f65364bc 117 }, /**< Key distribution bitmap: keys that the peripheral device will distribute. */
rgrover1 126:35e4f65364bc 118 }
rgrover1 126:35e4f65364bc 119 };
rgrover1 126:35e4f65364bc 120 dm_register(&applicationInstance, &dm_param);
rgrover1 126:35e4f65364bc 121
Rohit Grover 22:c6ee8136847e 122 btle_gap_init();
Rohit Grover 22:c6ee8136847e 123
Rohit Grover 22:c6ee8136847e 124 return ERROR_NONE;
Rohit Grover 22:c6ee8136847e 125 }
Rohit Grover 22:c6ee8136847e 126
rgrover1 126:35e4f65364bc 127 ret_code_t
rgrover1 126:35e4f65364bc 128 dm_handler(dm_handle_t const *p_handle, dm_event_t const *p_event, ret_code_t event_result)
rgrover1 126:35e4f65364bc 129 {
rgrover1 126:35e4f65364bc 130 printf("dm_handler: event %u\r\n", p_event->event_id);
rgrover1 126:35e4f65364bc 131 return NRF_SUCCESS;
rgrover1 126:35e4f65364bc 132 }
rgrover1 126:35e4f65364bc 133
Rohit Grover 22:c6ee8136847e 134 static void btle_handler(ble_evt_t *p_ble_evt)
Rohit Grover 22:c6ee8136847e 135 {
Rohit Grover 22:c6ee8136847e 136 /* Library service handlers */
Rohit Grover 56:a1071b629aa3 137 #if SDK_CONN_PARAMS_MODULE_ENABLE
Rohit Grover 22:c6ee8136847e 138 ble_conn_params_on_ble_evt(p_ble_evt);
Rohit Grover 56:a1071b629aa3 139 #endif
Rohit Grover 22:c6ee8136847e 140
rgrover1 126:35e4f65364bc 141 dm_ble_evt_handler(p_ble_evt);
rgrover1 126:35e4f65364bc 142
Rohit Grover 22:c6ee8136847e 143 /* Custom event handler */
Rohit Grover 22:c6ee8136847e 144 switch (p_ble_evt->header.evt_id) {
Rohit Grover 41:6e66cd970659 145 case BLE_GAP_EVT_CONNECTED: {
Rohit Grover 41:6e66cd970659 146 Gap::Handle_t handle = p_ble_evt->evt.gap_evt.conn_handle;
Rohit Grover 41:6e66cd970659 147 nRF51Gap::getInstance().setConnectionHandle(handle);
Rohit Grover 56:a1071b629aa3 148 const Gap::ConnectionParams_t *params = reinterpret_cast<Gap::ConnectionParams_t *>(&(p_ble_evt->evt.gap_evt.params.connected.conn_params));
rgrover1 77:9886b2865631 149 const ble_gap_addr_t *peer = &p_ble_evt->evt.gap_evt.params.connected.peer_addr;
rgrover1 113:737b08b3b995 150 const ble_gap_addr_t *own = &p_ble_evt->evt.gap_evt.params.connected.own_addr;
rgrover1 113:737b08b3b995 151 nRF51Gap::getInstance().processConnectionEvent(handle,
rgrover1 113:737b08b3b995 152 static_cast<Gap::addr_type_t>(peer->addr_type), peer->addr,
rgrover1 113:737b08b3b995 153 static_cast<Gap::addr_type_t>(own->addr_type), own->addr,
rgrover1 113:737b08b3b995 154 params);
Rohit Grover 22:c6ee8136847e 155 break;
Rohit Grover 41:6e66cd970659 156 }
Rohit Grover 22:c6ee8136847e 157
Rohit Grover 41:6e66cd970659 158 case BLE_GAP_EVT_DISCONNECTED: {
Rohit Grover 41:6e66cd970659 159 Gap::Handle_t handle = p_ble_evt->evt.gap_evt.conn_handle;
Rohit Grover 22:c6ee8136847e 160 // Since we are not in a connection and have not started advertising,
Rohit Grover 22:c6ee8136847e 161 // store bonds
Rohit Grover 22:c6ee8136847e 162 nRF51Gap::getInstance().setConnectionHandle (BLE_CONN_HANDLE_INVALID);
Rohit Grover 56:a1071b629aa3 163
Rohit Grover 65:98215c4f3a25 164 Gap::DisconnectionReason_t reason;
Rohit Grover 65:98215c4f3a25 165 switch (p_ble_evt->evt.gap_evt.params.disconnected.reason) {
Rohit Grover 65:98215c4f3a25 166 case BLE_HCI_LOCAL_HOST_TERMINATED_CONNECTION:
Rohit Grover 65:98215c4f3a25 167 reason = Gap::LOCAL_HOST_TERMINATED_CONNECTION;
Rohit Grover 65:98215c4f3a25 168 break;
Rohit Grover 65:98215c4f3a25 169 case BLE_HCI_REMOTE_USER_TERMINATED_CONNECTION:
Rohit Grover 65:98215c4f3a25 170 reason = Gap::REMOTE_USER_TERMINATED_CONNECTION;
Rohit Grover 65:98215c4f3a25 171 break;
Rohit Grover 65:98215c4f3a25 172 case BLE_HCI_CONN_INTERVAL_UNACCEPTABLE:
Rohit Grover 65:98215c4f3a25 173 reason = Gap::CONN_INTERVAL_UNACCEPTABLE;
Rohit Grover 65:98215c4f3a25 174 break;
Rohit Grover 65:98215c4f3a25 175 default:
Rohit Grover 65:98215c4f3a25 176 /* Please refer to the underlying transport library for an
Rohit Grover 65:98215c4f3a25 177 * interpretion of this reason's value. */
Rohit Grover 65:98215c4f3a25 178 reason = static_cast<Gap::DisconnectionReason_t>(p_ble_evt->evt.gap_evt.params.disconnected.reason);
Rohit Grover 65:98215c4f3a25 179 break;
Rohit Grover 56:a1071b629aa3 180 }
Rohit Grover 65:98215c4f3a25 181 nRF51Gap::getInstance().processDisconnectionEvent(handle, reason);
Rohit Grover 22:c6ee8136847e 182 break;
Rohit Grover 41:6e66cd970659 183 }
Rohit Grover 22:c6ee8136847e 184
Rohit Grover 22:c6ee8136847e 185 case BLE_GAP_EVT_SEC_PARAMS_REQUEST: {
Rohit Grover 22:c6ee8136847e 186 ble_gap_sec_params_t sec_params = {0};
Rohit Grover 22:c6ee8136847e 187
rgrover1 113:737b08b3b995 188 sec_params.bond = 1; /**< Perform bonding. */
rgrover1 113:737b08b3b995 189 sec_params.mitm = CFG_BLE_SEC_PARAM_MITM;
rgrover1 113:737b08b3b995 190 sec_params.io_caps = CFG_BLE_SEC_PARAM_IO_CAPABILITIES;
rgrover1 113:737b08b3b995 191 sec_params.oob = CFG_BLE_SEC_PARAM_OOB;
rgrover1 113:737b08b3b995 192 sec_params.min_key_size = CFG_BLE_SEC_PARAM_MIN_KEY_SIZE;
rgrover1 113:737b08b3b995 193 sec_params.max_key_size = CFG_BLE_SEC_PARAM_MAX_KEY_SIZE;
Rohit Grover 22:c6ee8136847e 194
rgrover1 113:737b08b3b995 195 ble_gap_sec_keyset_t sec_keyset = {0};
rgrover1 113:737b08b3b995 196
rgrover1 113:737b08b3b995 197 ASSERT_STATUS_RET_VOID(sd_ble_gap_sec_params_reply(nRF51Gap::getInstance().getConnectionHandle(), BLE_GAP_SEC_STATUS_SUCCESS, &sec_params, &sec_keyset));
Rohit Grover 22:c6ee8136847e 198 }
Rohit Grover 22:c6ee8136847e 199 break;
Rohit Grover 22:c6ee8136847e 200
Rohit Grover 22:c6ee8136847e 201 case BLE_GAP_EVT_TIMEOUT:
rgrover1 113:737b08b3b995 202 if (p_ble_evt->evt.gap_evt.params.timeout.src == BLE_GAP_TIMEOUT_SRC_ADVERTISING) {
Rohit Grover 41:6e66cd970659 203 nRF51Gap::getInstance().processEvent(GapEvents::GAP_EVENT_TIMEOUT);
Rohit Grover 22:c6ee8136847e 204 }
Rohit Grover 22:c6ee8136847e 205 break;
Rohit Grover 22:c6ee8136847e 206
Rohit Grover 22:c6ee8136847e 207 case BLE_GATTC_EVT_TIMEOUT:
Rohit Grover 22:c6ee8136847e 208 case BLE_GATTS_EVT_TIMEOUT:
Rohit Grover 22:c6ee8136847e 209 // Disconnect on GATT Server and Client timeout events.
Rohit Grover 22:c6ee8136847e 210 // ASSERT_STATUS_RET_VOID (sd_ble_gap_disconnect(m_conn_handle,
Rohit Grover 22:c6ee8136847e 211 // BLE_HCI_REMOTE_USER_TERMINATED_CONNECTION));
Rohit Grover 22:c6ee8136847e 212 break;
Rohit Grover 22:c6ee8136847e 213
Rohit Grover 22:c6ee8136847e 214 default:
Rohit Grover 22:c6ee8136847e 215 break;
Rohit Grover 22:c6ee8136847e 216 }
Rohit Grover 22:c6ee8136847e 217
Rohit Grover 22:c6ee8136847e 218 nRF51GattServer::getInstance().hwCallback(p_ble_evt);
Rohit Grover 22:c6ee8136847e 219 }
Rohit Grover 22:c6ee8136847e 220
Rohit Grover 22:c6ee8136847e 221 /**************************************************************************/
Rohit Grover 22:c6ee8136847e 222 /*!
Rohit Grover 22:c6ee8136847e 223 @brief Callback when an error occurs inside the SoftDevice
Rohit Grover 22:c6ee8136847e 224
Rohit Grover 22:c6ee8136847e 225 @param[in] line_num
Rohit Grover 22:c6ee8136847e 226 @param[in] p-file_name
Rohit Grover 22:c6ee8136847e 227
Rohit Grover 22:c6ee8136847e 228 @returns
Rohit Grover 22:c6ee8136847e 229 */
Rohit Grover 22:c6ee8136847e 230 /**************************************************************************/
Rohit Grover 22:c6ee8136847e 231 void assert_nrf_callback(uint16_t line_num, const uint8_t *p_file_name)
Rohit Grover 22:c6ee8136847e 232 {
Rohit Grover 22:c6ee8136847e 233 ASSERT(false, (void) 0);
Rohit Grover 22:c6ee8136847e 234 }
Rohit Grover 22:c6ee8136847e 235
Rohit Grover 22:c6ee8136847e 236 /**************************************************************************/
Rohit Grover 22:c6ee8136847e 237 /*!
Rohit Grover 22:c6ee8136847e 238 @brief Handler for general errors above the SoftDevice layer.
Rohit Grover 22:c6ee8136847e 239 Typically we can' recover from this so we do a reset.
Rohit Grover 22:c6ee8136847e 240
Rohit Grover 22:c6ee8136847e 241 @param[in] error_code
Rohit Grover 22:c6ee8136847e 242 @param[in] line_num
Rohit Grover 22:c6ee8136847e 243 @param[in] p-file_name
Rohit Grover 22:c6ee8136847e 244
Rohit Grover 22:c6ee8136847e 245 @returns
Rohit Grover 22:c6ee8136847e 246 */
Rohit Grover 22:c6ee8136847e 247 /**************************************************************************/
Rohit Grover 22:c6ee8136847e 248 void app_error_handler(uint32_t error_code,
Rohit Grover 22:c6ee8136847e 249 uint32_t line_num,
Rohit Grover 22:c6ee8136847e 250 const uint8_t *p_file_name)
Rohit Grover 22:c6ee8136847e 251 {
Rohit Grover 22:c6ee8136847e 252 ASSERT_STATUS_RET_VOID( error_code );
Rohit Grover 22:c6ee8136847e 253 NVIC_SystemReset();
rgrover1 77:9886b2865631 254 }