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Fork of nRF51822 by
source/btle/btle.cpp@524:502e53732c75, 2015-12-02 (annotated)
- Committer:
- rgrover1
- Date:
- Wed Dec 02 13:14:17 2015 +0000
- Revision:
- 524:502e53732c75
- Parent:
- 518:6470a39133f1
- Child:
- 525:d76f1c3f4599
Synchronized with git rev 60a7c0c0
Author: Rohit Grover
bring in the latest changes for BLE::init() where we allow <object, member> tuples for init callback.
Who changed what in which revision?
User | Revision | Line number | New 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 | |
rgrover1 | 524:502e53732c75 | 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 | |
rgrover1 | 524:502e53732c75 | 30 | #include "softdevice_handler.h" |
rgrover1 | 524:502e53732c75 | 31 | #include "pstorage.h" |
rgrover1 | 524:502e53732c75 | 32 | |
rgrover1 | 371:8f7d2137727a | 33 | #include "ble/GapEvents.h" |
rgrover1 | 393:0f7c5048efb3 | 34 | #include "nRF5xGap.h" |
rgrover1 | 393:0f7c5048efb3 | 35 | #include "nRF5xGattServer.h" |
rgrover1 | 393:0f7c5048efb3 | 36 | #include "nRF5xSecurityManager.h" |
rgrover1 | 371:8f7d2137727a | 37 | |
rgrover1 | 124:664d4257a9f8 | 38 | #include "device_manager.h" |
Rohit Grover |
22:c6ee8136847e | 39 | |
Rohit Grover |
56:a1071b629aa3 | 40 | #include "ble_hci.h" |
rgrover1 | 371:8f7d2137727a | 41 | #include "btle_discovery.h" |
Rohit Grover |
56:a1071b629aa3 | 42 | |
Rohit Grover |
56:a1071b629aa3 | 43 | extern "C" void assert_nrf_callback(uint16_t line_num, const uint8_t *p_file_name); |
Rohit Grover |
56:a1071b629aa3 | 44 | void app_error_handler(uint32_t error_code, uint32_t line_num, const uint8_t *p_file_name); |
Rohit Grover |
22:c6ee8136847e | 45 | |
Rohit Grover |
22:c6ee8136847e | 46 | static void btle_handler(ble_evt_t *p_ble_evt); |
Rohit Grover |
22:c6ee8136847e | 47 | |
Rohit Grover |
22:c6ee8136847e | 48 | static void sys_evt_dispatch(uint32_t sys_evt) |
Rohit Grover |
22:c6ee8136847e | 49 | { |
Rohit Grover |
22:c6ee8136847e | 50 | pstorage_sys_event_handler(sys_evt); |
Rohit Grover |
22:c6ee8136847e | 51 | } |
Rohit Grover |
22:c6ee8136847e | 52 | |
rgrover1 | 431:95158d6d493f | 53 | /** |
rgrover1 | 431:95158d6d493f | 54 | * This function is called in interrupt context to handle BLE events; i.e. pull |
rgrover1 | 431:95158d6d493f | 55 | * system and user events out of the pending events-queue of the BLE stack. The |
rgrover1 | 431:95158d6d493f | 56 | * BLE stack signals the availability of events by the triggering the SWI2 |
rgrover1 | 431:95158d6d493f | 57 | * interrupt, which forwards the handling to this function. |
rgrover1 | 431:95158d6d493f | 58 | * |
rgrover1 | 431:95158d6d493f | 59 | * The event processing loop is implemented in intern_softdevice_events_execute(). |
rgrover1 | 431:95158d6d493f | 60 | * |
rgrover1 | 431:95158d6d493f | 61 | * In mbed OS, a callback for intern_softdevice_events_execute() is posted |
rgrover1 | 431:95158d6d493f | 62 | * to the scheduler, which then executes in thread mode. In mbed-classic, |
rgrover1 | 431:95158d6d493f | 63 | * event processing happens right-away in interrupt context (which is more |
rgrover1 | 431:95158d6d493f | 64 | * risk-prone). In either case, the logic of event processing is identical. |
rgrover1 | 431:95158d6d493f | 65 | */ |
rgrover1 | 431:95158d6d493f | 66 | static uint32_t eventHandler() |
rgrover1 | 431:95158d6d493f | 67 | { |
rgrover1 | 431:95158d6d493f | 68 | #ifdef YOTTA_CFG_MBED_OS |
rgrover1 | 431:95158d6d493f | 69 | minar::Scheduler::postCallback(intern_softdevice_events_execute); |
rgrover1 | 431:95158d6d493f | 70 | #else |
rgrover1 | 431:95158d6d493f | 71 | intern_softdevice_events_execute(); |
rgrover1 | 431:95158d6d493f | 72 | #endif |
rgrover1 | 431:95158d6d493f | 73 | |
rgrover1 | 431:95158d6d493f | 74 | return NRF_SUCCESS; |
rgrover1 | 431:95158d6d493f | 75 | } |
rgrover1 | 431:95158d6d493f | 76 | |
Rohit Grover |
22:c6ee8136847e | 77 | error_t btle_init(void) |
Rohit Grover |
22:c6ee8136847e | 78 | { |
rgrover1 | 430:db7edc9ad0bc | 79 | nrf_clock_lfclksrc_t clockSource; |
rgrover1 | 404:fccbe137c4ac | 80 | if (NRF_CLOCK->LFCLKSRC & (CLOCK_LFCLKSRC_SRC_Xtal << CLOCK_LFCLKSRC_SRC_Pos)) { |
rgrover1 | 430:db7edc9ad0bc | 81 | clockSource = NRF_CLOCK_LFCLKSRC_XTAL_20_PPM; |
rgrover1 | 404:fccbe137c4ac | 82 | } else { |
rgrover1 | 430:db7edc9ad0bc | 83 | clockSource = NRF_CLOCK_LFCLKSRC_RC_250_PPM_4000MS_CALIBRATION; |
rgrover1 | 404:fccbe137c4ac | 84 | } |
rgrover1 | 431:95158d6d493f | 85 | SOFTDEVICE_HANDLER_INIT(clockSource, eventHandler); |
Rohit Grover |
56:a1071b629aa3 | 86 | |
Rohit Grover |
56:a1071b629aa3 | 87 | // Enable BLE stack |
Rohit Grover |
56:a1071b629aa3 | 88 | /** |
Rohit Grover |
56:a1071b629aa3 | 89 | * Using this call, the application can select whether to include the |
Rohit Grover |
56:a1071b629aa3 | 90 | * Service Changed characteristic in the GATT Server. The default in all |
Rohit Grover |
56:a1071b629aa3 | 91 | * previous releases has been to include the Service Changed characteristic, |
Rohit Grover |
56:a1071b629aa3 | 92 | * but this affects how GATT clients behave. Specifically, it requires |
Rohit Grover |
56:a1071b629aa3 | 93 | * clients to subscribe to this attribute and not to cache attribute handles |
Rohit Grover |
56:a1071b629aa3 | 94 | * between connections unless the devices are bonded. If the application |
Rohit Grover |
56:a1071b629aa3 | 95 | * does not need to change the structure of the GATT server attributes at |
Rohit Grover |
56:a1071b629aa3 | 96 | * runtime this adds unnecessary complexity to the interaction with peer |
Rohit Grover |
56:a1071b629aa3 | 97 | * clients. If the SoftDevice is enabled with the Service Changed |
Rohit Grover |
56:a1071b629aa3 | 98 | * Characteristics turned off, then clients are allowed to cache attribute |
Rohit Grover |
56:a1071b629aa3 | 99 | * handles making applications simpler on both sides. |
Rohit Grover |
56:a1071b629aa3 | 100 | */ |
Rohit Grover |
68:936d81c963fe | 101 | static const bool IS_SRVC_CHANGED_CHARACT_PRESENT = true; |
Rohit Grover |
56:a1071b629aa3 | 102 | ble_enable_params_t enableParams = { |
Rohit Grover |
56:a1071b629aa3 | 103 | .gatts_enable_params = { |
Rohit Grover |
56:a1071b629aa3 | 104 | .service_changed = IS_SRVC_CHANGED_CHARACT_PRESENT |
Rohit Grover |
56:a1071b629aa3 | 105 | } |
Rohit Grover |
56:a1071b629aa3 | 106 | }; |
Rohit Grover |
56:a1071b629aa3 | 107 | if (sd_ble_enable(&enableParams) != NRF_SUCCESS) { |
Rohit Grover |
56:a1071b629aa3 | 108 | return ERROR_INVALID_PARAM; |
Rohit Grover |
56:a1071b629aa3 | 109 | } |
Rohit Grover |
56:a1071b629aa3 | 110 | |
Rohit Grover |
56:a1071b629aa3 | 111 | ble_gap_addr_t addr; |
Rohit Grover |
56:a1071b629aa3 | 112 | if (sd_ble_gap_address_get(&addr) != NRF_SUCCESS) { |
Rohit Grover |
56:a1071b629aa3 | 113 | return ERROR_INVALID_PARAM; |
Rohit Grover |
56:a1071b629aa3 | 114 | } |
Rohit Grover |
56:a1071b629aa3 | 115 | if (sd_ble_gap_address_set(BLE_GAP_ADDR_CYCLE_MODE_NONE, &addr) != NRF_SUCCESS) { |
Rohit Grover |
56:a1071b629aa3 | 116 | return ERROR_INVALID_PARAM; |
Rohit Grover |
56:a1071b629aa3 | 117 | } |
Rohit Grover |
22:c6ee8136847e | 118 | |
Rohit Grover |
22:c6ee8136847e | 119 | ASSERT_STATUS( softdevice_ble_evt_handler_set(btle_handler)); |
Rohit Grover |
22:c6ee8136847e | 120 | ASSERT_STATUS( softdevice_sys_evt_handler_set(sys_evt_dispatch)); |
Rohit Grover |
22:c6ee8136847e | 121 | |
rgrover1 | 127:bd1e1fe607e0 | 122 | btle_gap_init(); |
rgrover1 | 127:bd1e1fe607e0 | 123 | |
rgrover1 | 127:bd1e1fe607e0 | 124 | return ERROR_NONE; |
rgrover1 | 127:bd1e1fe607e0 | 125 | } |
rgrover1 | 127:bd1e1fe607e0 | 126 | |
Rohit Grover |
22:c6ee8136847e | 127 | static void btle_handler(ble_evt_t *p_ble_evt) |
Rohit Grover |
22:c6ee8136847e | 128 | { |
Rohit Grover |
22:c6ee8136847e | 129 | /* Library service handlers */ |
Rohit Grover |
56:a1071b629aa3 | 130 | #if SDK_CONN_PARAMS_MODULE_ENABLE |
Rohit Grover |
22:c6ee8136847e | 131 | ble_conn_params_on_ble_evt(p_ble_evt); |
Rohit Grover |
56:a1071b629aa3 | 132 | #endif |
Rohit Grover |
22:c6ee8136847e | 133 | |
rgrover1 | 125:35e4f65364bc | 134 | dm_ble_evt_handler(p_ble_evt); |
rgrover1 | 125:35e4f65364bc | 135 | |
rgrover1 | 455:e33de7c4574c | 136 | #if !defined(TARGET_MCU_NRF51_16K_S110) && !defined(TARGET_MCU_NRF51_32K_S110) |
rgrover1 | 371:8f7d2137727a | 137 | bleGattcEventHandler(p_ble_evt); |
rgrover1 | 430:db7edc9ad0bc | 138 | #endif |
rgrover1 | 371:8f7d2137727a | 139 | |
Rohit Grover |
22:c6ee8136847e | 140 | /* Custom event handler */ |
Rohit Grover |
22:c6ee8136847e | 141 | switch (p_ble_evt->header.evt_id) { |
Rohit Grover |
41:6e66cd970659 | 142 | case BLE_GAP_EVT_CONNECTED: { |
Rohit Grover |
41:6e66cd970659 | 143 | Gap::Handle_t handle = p_ble_evt->evt.gap_evt.conn_handle; |
rgrover1 | 455:e33de7c4574c | 144 | #if defined(TARGET_MCU_NRF51_16K_S110) || defined(TARGET_MCU_NRF51_32K_S110) |
rgrover1 | 399:a471c3da4806 | 145 | /* Only peripheral role is supported by S110 */ |
rgrover1 | 399:a471c3da4806 | 146 | Gap::Role_t role = Gap::PERIPHERAL; |
rgrover1 | 399:a471c3da4806 | 147 | #else |
rgrover1 | 399:a471c3da4806 | 148 | Gap::Role_t role = static_cast<Gap::Role_t>(p_ble_evt->evt.gap_evt.params.connected.role); |
rgrover1 | 399:a471c3da4806 | 149 | #endif |
rgrover1 | 393:0f7c5048efb3 | 150 | nRF5xGap::getInstance().setConnectionHandle(handle); |
Rohit Grover |
56:a1071b629aa3 | 151 | const Gap::ConnectionParams_t *params = reinterpret_cast<Gap::ConnectionParams_t *>(&(p_ble_evt->evt.gap_evt.params.connected.conn_params)); |
rgrover1 | 77:9886b2865631 | 152 | const ble_gap_addr_t *peer = &p_ble_evt->evt.gap_evt.params.connected.peer_addr; |
rgrover1 | 112:737b08b3b995 | 153 | const ble_gap_addr_t *own = &p_ble_evt->evt.gap_evt.params.connected.own_addr; |
rgrover1 | 393:0f7c5048efb3 | 154 | nRF5xGap::getInstance().processConnectionEvent(handle, |
rgrover1 | 399:a471c3da4806 | 155 | role, |
rgrover1 | 179:10e4c13360d9 | 156 | static_cast<Gap::AddressType_t>(peer->addr_type), peer->addr, |
rgrover1 | 179:10e4c13360d9 | 157 | static_cast<Gap::AddressType_t>(own->addr_type), own->addr, |
rgrover1 | 112:737b08b3b995 | 158 | params); |
Rohit Grover |
22:c6ee8136847e | 159 | break; |
Rohit Grover |
41:6e66cd970659 | 160 | } |
Rohit Grover |
22:c6ee8136847e | 161 | |
Rohit Grover |
41:6e66cd970659 | 162 | case BLE_GAP_EVT_DISCONNECTED: { |
Rohit Grover |
41:6e66cd970659 | 163 | Gap::Handle_t handle = p_ble_evt->evt.gap_evt.conn_handle; |
Rohit Grover |
22:c6ee8136847e | 164 | // Since we are not in a connection and have not started advertising, |
Rohit Grover |
22:c6ee8136847e | 165 | // store bonds |
rgrover1 | 393:0f7c5048efb3 | 166 | nRF5xGap::getInstance().setConnectionHandle (BLE_CONN_HANDLE_INVALID); |
Rohit Grover |
56:a1071b629aa3 | 167 | |
Rohit Grover |
65:98215c4f3a25 | 168 | Gap::DisconnectionReason_t reason; |
Rohit Grover |
65:98215c4f3a25 | 169 | switch (p_ble_evt->evt.gap_evt.params.disconnected.reason) { |
Rohit Grover |
65:98215c4f3a25 | 170 | case BLE_HCI_LOCAL_HOST_TERMINATED_CONNECTION: |
Rohit Grover |
65:98215c4f3a25 | 171 | reason = Gap::LOCAL_HOST_TERMINATED_CONNECTION; |
Rohit Grover |
65:98215c4f3a25 | 172 | break; |
Rohit Grover |
65:98215c4f3a25 | 173 | case BLE_HCI_REMOTE_USER_TERMINATED_CONNECTION: |
Rohit Grover |
65:98215c4f3a25 | 174 | reason = Gap::REMOTE_USER_TERMINATED_CONNECTION; |
Rohit Grover |
65:98215c4f3a25 | 175 | break; |
Rohit Grover |
65:98215c4f3a25 | 176 | case BLE_HCI_CONN_INTERVAL_UNACCEPTABLE: |
Rohit Grover |
65:98215c4f3a25 | 177 | reason = Gap::CONN_INTERVAL_UNACCEPTABLE; |
Rohit Grover |
65:98215c4f3a25 | 178 | break; |
Rohit Grover |
65:98215c4f3a25 | 179 | default: |
Rohit Grover |
65:98215c4f3a25 | 180 | /* Please refer to the underlying transport library for an |
Rohit Grover |
65:98215c4f3a25 | 181 | * interpretion of this reason's value. */ |
Rohit Grover |
65:98215c4f3a25 | 182 | reason = static_cast<Gap::DisconnectionReason_t>(p_ble_evt->evt.gap_evt.params.disconnected.reason); |
Rohit Grover |
65:98215c4f3a25 | 183 | break; |
Rohit Grover |
56:a1071b629aa3 | 184 | } |
rgrover1 | 393:0f7c5048efb3 | 185 | nRF5xGap::getInstance().processDisconnectionEvent(handle, reason); |
Rohit Grover |
22:c6ee8136847e | 186 | break; |
Rohit Grover |
41:6e66cd970659 | 187 | } |
Rohit Grover |
22:c6ee8136847e | 188 | |
rgrover1 | 161:6712855a0107 | 189 | case BLE_GAP_EVT_PASSKEY_DISPLAY: |
rgrover1 | 393:0f7c5048efb3 | 190 | nRF5xSecurityManager::getInstance().processPasskeyDisplayEvent(p_ble_evt->evt.gap_evt.conn_handle, p_ble_evt->evt.gap_evt.params.passkey_display.passkey); |
rgrover1 | 161:6712855a0107 | 191 | break; |
rgrover1 | 161:6712855a0107 | 192 | |
Rohit Grover |
22:c6ee8136847e | 193 | case BLE_GAP_EVT_TIMEOUT: |
rgrover1 | 393:0f7c5048efb3 | 194 | nRF5xGap::getInstance().processTimeoutEvent(static_cast<Gap::TimeoutSource_t>(p_ble_evt->evt.gap_evt.params.timeout.src)); |
Rohit Grover |
22:c6ee8136847e | 195 | break; |
Rohit Grover |
22:c6ee8136847e | 196 | |
Rohit Grover |
22:c6ee8136847e | 197 | case BLE_GATTC_EVT_TIMEOUT: |
Rohit Grover |
22:c6ee8136847e | 198 | case BLE_GATTS_EVT_TIMEOUT: |
Rohit Grover |
22:c6ee8136847e | 199 | // Disconnect on GATT Server and Client timeout events. |
Rohit Grover |
22:c6ee8136847e | 200 | // ASSERT_STATUS_RET_VOID (sd_ble_gap_disconnect(m_conn_handle, |
Rohit Grover |
22:c6ee8136847e | 201 | // BLE_HCI_REMOTE_USER_TERMINATED_CONNECTION)); |
Rohit Grover |
22:c6ee8136847e | 202 | break; |
Rohit Grover |
22:c6ee8136847e | 203 | |
rgrover1 | 165:67fcad70785a | 204 | case BLE_GAP_EVT_ADV_REPORT: { |
rgrover1 | 165:67fcad70785a | 205 | const ble_gap_evt_adv_report_t *advReport = &p_ble_evt->evt.gap_evt.params.adv_report; |
rgrover1 | 393:0f7c5048efb3 | 206 | nRF5xGap::getInstance().processAdvertisementReport(advReport->peer_addr.addr, |
rgrover1 | 167:66ee4f876396 | 207 | advReport->rssi, |
rgrover1 | 167:66ee4f876396 | 208 | advReport->scan_rsp, |
rgrover1 | 371:8f7d2137727a | 209 | static_cast<GapAdvertisingParams::AdvertisingType_t>(advReport->type), |
rgrover1 | 167:66ee4f876396 | 210 | advReport->dlen, |
rgrover1 | 167:66ee4f876396 | 211 | advReport->data); |
rgrover1 | 167:66ee4f876396 | 212 | break; |
rgrover1 | 165:67fcad70785a | 213 | } |
rgrover1 | 165:67fcad70785a | 214 | |
Rohit Grover |
22:c6ee8136847e | 215 | default: |
Rohit Grover |
22:c6ee8136847e | 216 | break; |
Rohit Grover |
22:c6ee8136847e | 217 | } |
Rohit Grover |
22:c6ee8136847e | 218 | |
rgrover1 | 393:0f7c5048efb3 | 219 | nRF5xGattServer::getInstance().hwCallback(p_ble_evt); |
Rohit Grover |
22:c6ee8136847e | 220 | } |
Rohit Grover |
22:c6ee8136847e | 221 | |
rgrover1 | 160:7d04579fdb2a | 222 | /*! @brief Callback when an error occurs inside the SoftDevice */ |
Rohit Grover |
22:c6ee8136847e | 223 | void assert_nrf_callback(uint16_t line_num, const uint8_t *p_file_name) |
Rohit Grover |
22:c6ee8136847e | 224 | { |
Rohit Grover |
22:c6ee8136847e | 225 | ASSERT(false, (void) 0); |
Rohit Grover |
22:c6ee8136847e | 226 | } |
Rohit Grover |
22:c6ee8136847e | 227 | |
Rohit Grover |
22:c6ee8136847e | 228 | /*! |
Rohit Grover |
22:c6ee8136847e | 229 | @brief Handler for general errors above the SoftDevice layer. |
Rohit Grover |
22:c6ee8136847e | 230 | Typically we can' recover from this so we do a reset. |
Rohit Grover |
22:c6ee8136847e | 231 | */ |
rgrover1 | 160:7d04579fdb2a | 232 | void app_error_handler(uint32_t error_code, uint32_t line_num, const uint8_t *p_file_name) |
Rohit Grover |
22:c6ee8136847e | 233 | { |
Rohit Grover |
22:c6ee8136847e | 234 | ASSERT_STATUS_RET_VOID( error_code ); |
Rohit Grover |
22:c6ee8136847e | 235 | NVIC_SystemReset(); |
rgrover1 | 77:9886b2865631 | 236 | } |