Okundu Omeni / Mbed OS wifi-https-ble-sm-uart-atcmd-5-13-1

this is using the mbed os version 5-13-1

Dependencies:   mbed-http

source/BleManager.cpp@119:8d939a902333, 2019-05-27 (annotated)

Committer:
ocomeni
Date:
Mon May 27 12:34:58 2019 +0000
Branch:
PassingRegression
Revision:
119:8d939a902333
Parent:
118:8df0e9c2ee3f
Child:
120:779b74689747
- implemented cloud connection keep-alive mechanism; - implemented BLE manager state machine for processing messages from radio  RX and AT commands.; this version passes end-2-end testing

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ocomeni 74:f26e846adfe9 1 /* mbed Microcontroller Library
ocomeni 74:f26e846adfe9 2 * Copyright (c) 2006-2013 ARM Limited
ocomeni 74:f26e846adfe9 3 *
ocomeni 74:f26e846adfe9 4 * Licensed under the Apache License, Version 2.0 (the "License");
ocomeni 74:f26e846adfe9 5 * you may not use this file except in compliance with the License.
ocomeni 74:f26e846adfe9 6 * You may obtain a copy of the License at
ocomeni 74:f26e846adfe9 7 *
ocomeni 74:f26e846adfe9 8 * http://www.apache.org/licenses/LICENSE-2.0
ocomeni 74:f26e846adfe9 9 *
ocomeni 74:f26e846adfe9 10 * Unless required by applicable law or agreed to in writing, software
ocomeni 74:f26e846adfe9 11 * distributed under the License is distributed on an "AS IS" BASIS,
ocomeni 74:f26e846adfe9 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
ocomeni 74:f26e846adfe9 13 * See the License for the specific language governing permissions and
ocomeni 74:f26e846adfe9 14 * limitations under the License.
ocomeni 74:f26e846adfe9 15 */
ocomeni 75:08eff6258e1b 16
ocomeni 74:f26e846adfe9 17 #include <events/mbed_events.h>
ocomeni 74:f26e846adfe9 18 #include <mbed.h>
ocomeni 103:7b566b522427 19 #include "debug.h"
ocomeni 76:6afda865fbf8 20 #include "common_config.h"
ocomeni 74:f26e846adfe9 21 #include "ble/BLE.h"
ocomeni 76:6afda865fbf8 22 #include "ble/services/UARTService.h"
ocomeni 74:f26e846adfe9 23 #include "SecurityManager.h"
ocomeni 75:08eff6258e1b 24 #include "BleManager.h"
ocomeni 75:08eff6258e1b 25 #if MBED_CONF_APP_FILESYSTEM_SUPPORT
ocomeni 75:08eff6258e1b 26 #include "LittleFileSystem.h"
ocomeni 75:08eff6258e1b 27 #include "HeapBlockDevice.h"
ocomeni 75:08eff6258e1b 28 #endif //MBED_CONF_APP_FILESYSTEM_SUPPORT
ocomeni 103:7b566b522427 29 #define FILE_CODE "btle"
ocomeni 75:08eff6258e1b 30
ocomeni 75:08eff6258e1b 31
ocomeni 113:888e262ff0a9 32 //static const uint8_t DEVICE_NAME[] = "SM_device";
ocomeni 76:6afda865fbf8 33 //static const uint16_t uuid16_list[] = {LEDService::LED_SERVICE_UUID};
ocomeni 76:6afda865fbf8 34 extern UARTService *uart;
ocomeni 119:8d939a902333 35
ocomeni 75:08eff6258e1b 36 /** This example demonstrates all the basic setup required
ocomeni 75:08eff6258e1b 37 * for pairing and setting up link security both as a central and peripheral
ocomeni 75:08eff6258e1b 38 *
ocomeni 75:08eff6258e1b 39 * The example is implemented as two classes, one for the peripheral and one
ocomeni 75:08eff6258e1b 40 * for central inheriting from a common base. They are run in sequence and
ocomeni 75:08eff6258e1b 41 * require a peer device to connect to. During the peripheral device demonstration
ocomeni 75:08eff6258e1b 42 * a peer device is required to connect. In the central device demonstration
ocomeni 75:08eff6258e1b 43 * this peer device will be scanned for and connected to - therefore it should
ocomeni 75:08eff6258e1b 44 * be advertising with the same address as when it connected.
ocomeni 75:08eff6258e1b 45 *
ocomeni 75:08eff6258e1b 46 * During the test output is written on the serial connection to monitor its
ocomeni 75:08eff6258e1b 47 * progress.
ocomeni 75:08eff6258e1b 48 */
ocomeni 75:08eff6258e1b 49
ocomeni 75:08eff6258e1b 50 //static const uint8_t DEVICE_NAME[] = "SM_device";
ocomeni 75:08eff6258e1b 51
ocomeni 75:08eff6258e1b 52 /* for demonstration purposes we will store the peer device address
ocomeni 75:08eff6258e1b 53 * of the device that connects to us in the first demonstration
ocomeni 75:08eff6258e1b 54 * so we can use its address to reconnect to it later */
ocomeni 75:08eff6258e1b 55 //static BLEProtocol::AddressBytes_t peer_address;
ocomeni 75:08eff6258e1b 56
ocomeni 75:08eff6258e1b 57 /** Base class for both peripheral and central. The same class that provides
ocomeni 75:08eff6258e1b 58 * the logic for the application also implements the SecurityManagerEventHandler
ocomeni 75:08eff6258e1b 59 * which is the interface used by the Security Manager to communicate events
ocomeni 75:08eff6258e1b 60 * back to the applications. You can provide overrides for a selection of events
ocomeni 75:08eff6258e1b 61 * your application is interested in.
ocomeni 75:08eff6258e1b 62 */
ocomeni 78:07bb86e3ce14 63 SMDevice::SMDevice(BLE &ble, events::EventQueue &event_queue,
ocomeni 118:8df0e9c2ee3f 64 BLEProtocol::AddressBytes_t &peer_address,
ocomeni 118:8df0e9c2ee3f 65 MemoryPool<at_ble_msg_t, PQDSZ_BLE> *aT2BleDatamPool,
ocomeni 118:8df0e9c2ee3f 66 Queue<at_ble_msg_t, PQDSZ_BLE> *aT2BleDataQueue,
ocomeni 118:8df0e9c2ee3f 67 MemoryPool<ble_at_msg_t, PQDSZ_BLE> *ble2ATDatamPool,
ocomeni 118:8df0e9c2ee3f 68 Queue<ble_at_msg_t, PQDSZ_BLE> *ble2ATDataQueue,
ocomeni 118:8df0e9c2ee3f 69 ble_config_t *ble_config) :
ocomeni 75:08eff6258e1b 70 _ble(ble),
ocomeni 75:08eff6258e1b 71 _event_queue(event_queue),
ocomeni 75:08eff6258e1b 72 _peer_address(peer_address),
ocomeni 118:8df0e9c2ee3f 73 _aT2BleDatamPool (aT2BleDatamPool),
ocomeni 118:8df0e9c2ee3f 74 _aT2BleDataQueue (aT2BleDataQueue),
ocomeni 118:8df0e9c2ee3f 75 _ble2ATDatamPool (ble2ATDatamPool),
ocomeni 118:8df0e9c2ee3f 76 _ble2ATDataQueue (ble2ATDataQueue),
ocomeni 78:07bb86e3ce14 77 ble_config(ble_config),
ocomeni 75:08eff6258e1b 78 _handle(0),
ocomeni 113:888e262ff0a9 79 _is_connecting(false),
ocomeni 113:888e262ff0a9 80 _led1(LED1, 0)
ocomeni 113:888e262ff0a9 81 {
ocomeni 113:888e262ff0a9 82 isConnected = false;
ocomeni 113:888e262ff0a9 83 }
ocomeni 75:08eff6258e1b 84
ocomeni 75:08eff6258e1b 85 SMDevice::~SMDevice()
ocomeni 75:08eff6258e1b 86 {
ocomeni 75:08eff6258e1b 87 if (_ble.hasInitialized()) {
ocomeni 75:08eff6258e1b 88 _ble.shutdown();
ocomeni 75:08eff6258e1b 89 }
ocomeni 75:08eff6258e1b 90 }
ocomeni 75:08eff6258e1b 91
ocomeni 75:08eff6258e1b 92 /** Start BLE interface initialisation */
ocomeni 75:08eff6258e1b 93 void SMDevice::run()
ocomeni 75:08eff6258e1b 94 {
ocomeni 103:7b566b522427 95 dbg_printf(LOG, "\r\n [BTLE MAN] Thread Id = %X\r\n", (uint32_t)ThisThread::get_id());
ocomeni 87:99b37d26ff2a 96
ocomeni 75:08eff6258e1b 97 ble_error_t error;
ocomeni 75:08eff6258e1b 98
ocomeni 108:3c8fb2c6e7bf 99 /* to show we're running we'll blink every 10secs */
ocomeni 119:8d939a902333 100 //_event_queue.call_every(10000, this, &SMDevice::blink);
ocomeni 75:08eff6258e1b 101
ocomeni 77:0b505d1e15f4 102 /* to show we're advertising we'll print status every minute */
ocomeni 119:8d939a902333 103 //_event_queue.call_every(60000, this, &SMDevice::reportGapState);
ocomeni 119:8d939a902333 104
ocomeni 119:8d939a902333 105 /* process queues every BLE_PROCESS_QUEUES_INTERVAL_MS */
ocomeni 119:8d939a902333 106 _event_queue.call_every(BLE_PROCESS_QUEUES_INTERVAL_MS, this, &SMDevice::processQueues);
ocomeni 77:0b505d1e15f4 107
ocomeni 77:0b505d1e15f4 108
ocomeni 77:0b505d1e15f4 109
ocomeni 75:08eff6258e1b 110 if (_ble.hasInitialized()) {
ocomeni 103:7b566b522427 111 dbg_printf(LOG, "Ble instance already initialised.\r\n");
ocomeni 75:08eff6258e1b 112 return;
ocomeni 75:08eff6258e1b 113 }
ocomeni 75:08eff6258e1b 114
ocomeni 75:08eff6258e1b 115 /* this will inform us off all events so we can schedule their handling
ocomeni 75:08eff6258e1b 116 * using our event queue */
ocomeni 75:08eff6258e1b 117 _ble.onEventsToProcess(
ocomeni 75:08eff6258e1b 118 makeFunctionPointer(this, &SMDevice::schedule_ble_events)
ocomeni 75:08eff6258e1b 119 );
ocomeni 75:08eff6258e1b 120
ocomeni 75:08eff6258e1b 121 /* handle timeouts, for example when connection attempts fail */
ocomeni 75:08eff6258e1b 122 _ble.gap().onTimeout(
ocomeni 75:08eff6258e1b 123 makeFunctionPointer(this, &SMDevice::on_timeout)
ocomeni 75:08eff6258e1b 124 );
ocomeni 75:08eff6258e1b 125
ocomeni 75:08eff6258e1b 126 error = _ble.init(this, &SMDevice::on_init_complete);
ocomeni 75:08eff6258e1b 127
ocomeni 75:08eff6258e1b 128 if (error) {
ocomeni 103:7b566b522427 129 dbg_printf(LOG, "Error returned by BLE::init.\r\n");
ocomeni 75:08eff6258e1b 130 return;
ocomeni 75:08eff6258e1b 131 }
ocomeni 75:08eff6258e1b 132
ocomeni 75:08eff6258e1b 133 /* this will not return until shutdown */
ocomeni 77:0b505d1e15f4 134 //_event_queue.dispatch_forever();
ocomeni 75:08eff6258e1b 135 }
ocomeni 75:08eff6258e1b 136
ocomeni 77:0b505d1e15f4 137
ocomeni 77:0b505d1e15f4 138 void SMDevice::shutDown()
ocomeni 77:0b505d1e15f4 139 {
ocomeni 77:0b505d1e15f4 140 if (_ble.hasInitialized()) {
ocomeni 77:0b505d1e15f4 141 _ble.shutdown();
ocomeni 103:7b566b522427 142 dbg_printf(LOG, "Shutting down BLE Instance...\r\n");
ocomeni 77:0b505d1e15f4 143 _event_queue.break_dispatch();
ocomeni 77:0b505d1e15f4 144 }
ocomeni 77:0b505d1e15f4 145 }
ocomeni 77:0b505d1e15f4 146
ocomeni 77:0b505d1e15f4 147
ocomeni 75:08eff6258e1b 148 /* event handler functions */
ocomeni 75:08eff6258e1b 149
ocomeni 75:08eff6258e1b 150 /** Respond to a pairing request. This will be called by the stack
ocomeni 75:08eff6258e1b 151 * when a pairing request arrives and expects the application to
ocomeni 75:08eff6258e1b 152 * call acceptPairingRequest or cancelPairingRequest */
ocomeni 75:08eff6258e1b 153 void SMDevice::pairingRequest(
ocomeni 75:08eff6258e1b 154 ble::connection_handle_t connectionHandle
ocomeni 75:08eff6258e1b 155 ) {
ocomeni 103:7b566b522427 156 dbg_printf(LOG, "Pairing requested - authorising\r\n");
ocomeni 75:08eff6258e1b 157 _ble.securityManager().acceptPairingRequest(connectionHandle);
ocomeni 75:08eff6258e1b 158 }
ocomeni 75:08eff6258e1b 159
ocomeni 75:08eff6258e1b 160 /** Inform the application of a successful pairing. Terminate the demonstration. */
ocomeni 75:08eff6258e1b 161 void SMDevice::pairingResult(
ocomeni 75:08eff6258e1b 162 ble::connection_handle_t connectionHandle,
ocomeni 75:08eff6258e1b 163 SecurityManager::SecurityCompletionStatus_t result
ocomeni 75:08eff6258e1b 164 ) {
ocomeni 75:08eff6258e1b 165 if (result == SecurityManager::SEC_STATUS_SUCCESS) {
ocomeni 103:7b566b522427 166 dbg_printf(LOG, "Pairing successful\r\n");
ocomeni 75:08eff6258e1b 167 } else {
ocomeni 103:7b566b522427 168 dbg_printf(LOG, "Pairing failed\r\n");
ocomeni 75:08eff6258e1b 169 }
ocomeni 75:08eff6258e1b 170 }
ocomeni 75:08eff6258e1b 171
ocomeni 75:08eff6258e1b 172 /** Inform the application of change in encryption status. This will be
ocomeni 75:08eff6258e1b 173 * communicated through the serial port */
ocomeni 75:08eff6258e1b 174 void SMDevice::linkEncryptionResult(
ocomeni 75:08eff6258e1b 175 ble::connection_handle_t connectionHandle,
ocomeni 75:08eff6258e1b 176 ble::link_encryption_t result
ocomeni 75:08eff6258e1b 177 ) {
ocomeni 75:08eff6258e1b 178 if (result == ble::link_encryption_t::ENCRYPTED) {
ocomeni 103:7b566b522427 179 dbg_printf(LOG, "Link ENCRYPTED\r\n");
ocomeni 75:08eff6258e1b 180 } else if (result == ble::link_encryption_t::ENCRYPTED_WITH_MITM) {
ocomeni 103:7b566b522427 181 dbg_printf(LOG, "Link ENCRYPTED_WITH_MITM\r\n");
ocomeni 75:08eff6258e1b 182 } else if (result == ble::link_encryption_t::NOT_ENCRYPTED) {
ocomeni 103:7b566b522427 183 dbg_printf(LOG, "Link NOT_ENCRYPTED\r\n");
ocomeni 75:08eff6258e1b 184 }
ocomeni 75:08eff6258e1b 185
ocomeni 76:6afda865fbf8 186 #ifdef DEMO_BLE_SECURITY
ocomeni 75:08eff6258e1b 187 /* disconnect in 2 s */
ocomeni 75:08eff6258e1b 188 _event_queue.call_in(
ocomeni 75:08eff6258e1b 189 2000, &_ble.gap(),
ocomeni 75:08eff6258e1b 190 &Gap::disconnect, _handle, Gap::REMOTE_USER_TERMINATED_CONNECTION
ocomeni 75:08eff6258e1b 191 );
ocomeni 76:6afda865fbf8 192 #endif
ocomeni 75:08eff6258e1b 193 }
ocomeni 75:08eff6258e1b 194
ocomeni 75:08eff6258e1b 195 /** Override to start chosen activity when initialisation completes */
ocomeni 75:08eff6258e1b 196 //void SMDevice::start() = 0;
ocomeni 75:08eff6258e1b 197
ocomeni 75:08eff6258e1b 198 /** This is called when BLE interface is initialised and starts the demonstration */
ocomeni 75:08eff6258e1b 199 void SMDevice::on_init_complete(BLE::InitializationCompleteCallbackContext *event)
ocomeni 75:08eff6258e1b 200 {
ocomeni 75:08eff6258e1b 201 ble_error_t error;
ocomeni 75:08eff6258e1b 202
ocomeni 75:08eff6258e1b 203 if (event->error) {
ocomeni 103:7b566b522427 204 dbg_printf(LOG, "Error during the initialisation\r\n");
ocomeni 75:08eff6258e1b 205 return;
ocomeni 75:08eff6258e1b 206 }
ocomeni 75:08eff6258e1b 207
ocomeni 75:08eff6258e1b 208 /* This path will be used to store bonding information but will fallback
ocomeni 75:08eff6258e1b 209 * to storing in memory if file access fails (for example due to lack of a filesystem) */
ocomeni 75:08eff6258e1b 210 const char* db_path = "/fs/bt_sec_db";
ocomeni 75:08eff6258e1b 211 /* If the security manager is required this needs to be called before any
ocomeni 75:08eff6258e1b 212 * calls to the Security manager happen. */
ocomeni 75:08eff6258e1b 213 error = _ble.securityManager().init(
ocomeni 75:08eff6258e1b 214 true,
ocomeni 75:08eff6258e1b 215 false,
ocomeni 79:a2187bbfa407 216 SecurityManager::IO_CAPS_DISPLAY_ONLY, // SecurityManager::IO_CAPS_NONE
ocomeni 116:2296cf274661 217 ble_config->pairingKey,
ocomeni 75:08eff6258e1b 218 false,
ocomeni 75:08eff6258e1b 219 db_path
ocomeni 75:08eff6258e1b 220 );
ocomeni 75:08eff6258e1b 221
ocomeni 75:08eff6258e1b 222 if (error) {
ocomeni 103:7b566b522427 223 dbg_printf(LOG, "Error during init %d\r\n", error);
ocomeni 75:08eff6258e1b 224 return;
ocomeni 75:08eff6258e1b 225 }
ocomeni 75:08eff6258e1b 226
ocomeni 75:08eff6258e1b 227 error = _ble.securityManager().preserveBondingStateOnReset(true);
ocomeni 75:08eff6258e1b 228
ocomeni 75:08eff6258e1b 229 if (error) {
ocomeni 103:7b566b522427 230 dbg_printf(LOG, "Error during preserveBondingStateOnReset %d\r\n", error);
ocomeni 75:08eff6258e1b 231 }
ocomeni 75:08eff6258e1b 232
ocomeni 75:08eff6258e1b 233 #if MBED_CONF_APP_FILESYSTEM_SUPPORT
ocomeni 75:08eff6258e1b 234 /* Enable privacy so we can find the keys */
ocomeni 75:08eff6258e1b 235 error = _ble.gap().enablePrivacy(true);
ocomeni 75:08eff6258e1b 236
ocomeni 75:08eff6258e1b 237 if (error) {
ocomeni 103:7b566b522427 238 dbg_printf(LOG, "Error enabling privacy\r\n");
ocomeni 75:08eff6258e1b 239 }
ocomeni 75:08eff6258e1b 240
ocomeni 75:08eff6258e1b 241 Gap::PeripheralPrivacyConfiguration_t configuration_p = {
ocomeni 75:08eff6258e1b 242 /* use_non_resolvable_random_address */ false,
ocomeni 75:08eff6258e1b 243 Gap::PeripheralPrivacyConfiguration_t::REJECT_NON_RESOLVED_ADDRESS
ocomeni 75:08eff6258e1b 244 };
ocomeni 75:08eff6258e1b 245 _ble.gap().setPeripheralPrivacyConfiguration(&configuration_p);
ocomeni 75:08eff6258e1b 246
ocomeni 75:08eff6258e1b 247 Gap::CentralPrivacyConfiguration_t configuration_c = {
ocomeni 75:08eff6258e1b 248 /* use_non_resolvable_random_address */ false,
ocomeni 75:08eff6258e1b 249 Gap::CentralPrivacyConfiguration_t::RESOLVE_AND_FORWARD
ocomeni 75:08eff6258e1b 250 };
ocomeni 75:08eff6258e1b 251 _ble.gap().setCentralPrivacyConfiguration(&configuration_c);
ocomeni 75:08eff6258e1b 252
ocomeni 75:08eff6258e1b 253 /* this demo switches between being master and slave */
ocomeni 75:08eff6258e1b 254 _ble.securityManager().setHintFutureRoleReversal(true);
ocomeni 75:08eff6258e1b 255 #endif
ocomeni 75:08eff6258e1b 256
ocomeni 75:08eff6258e1b 257 /* Tell the security manager to use methods in this class to inform us
ocomeni 75:08eff6258e1b 258 * of any events. Class needs to implement SecurityManagerEventHandler. */
ocomeni 75:08eff6258e1b 259 _ble.securityManager().setSecurityManagerEventHandler(this);
ocomeni 75:08eff6258e1b 260
ocomeni 75:08eff6258e1b 261 /* print device address */
ocomeni 75:08eff6258e1b 262 Gap::AddressType_t addr_type;
ocomeni 75:08eff6258e1b 263 Gap::Address_t addr;
ocomeni 75:08eff6258e1b 264 _ble.gap().getAddress(&addr_type, addr);
ocomeni 103:7b566b522427 265 dbg_printf(LOG, "Device address: %02x:%02x:%02x:%02x:%02x:%02x\r\n",
ocomeni 75:08eff6258e1b 266 addr[5], addr[4], addr[3], addr[2], addr[1], addr[0]);
ocomeni 75:08eff6258e1b 267
ocomeni 75:08eff6258e1b 268 /* when scanning we want to connect to a peer device so we need to
ocomeni 75:08eff6258e1b 269 * attach callbacks that are used by Gap to notify us of events */
ocomeni 75:08eff6258e1b 270 _ble.gap().onConnection(this, &SMDevice::on_connect);
ocomeni 75:08eff6258e1b 271 _ble.gap().onDisconnection(this, &SMDevice::on_disconnect);
ocomeni 76:6afda865fbf8 272 _ble.gattServer().onDataWritten(this, &SMDevice::onDataWrittenCallback);
ocomeni 79:a2187bbfa407 273 //_ble.securityManager().onPasskeyDisplay(this, &SMDevice::passkeyDisplayCallback);
ocomeni 79:a2187bbfa407 274 //_ble.securityManager().onSecuritySetupCompleted(this, &SMDevice::securitySetupCompletedCallback);
ocomeni 75:08eff6258e1b 275
ocomeni 75:08eff6258e1b 276 /* start test in 500 ms */
ocomeni 75:08eff6258e1b 277 _event_queue.call_in(500, this, &SMDevice::start);
ocomeni 75:08eff6258e1b 278 }
ocomeni 75:08eff6258e1b 279
ocomeni 75:08eff6258e1b 280 /** This is called by Gap to notify the application we connected */
ocomeni 75:08eff6258e1b 281 //void SMDevice::on_connect(const Gap::ConnectionCallbackParams_t *connection_event);
ocomeni 75:08eff6258e1b 282
ocomeni 75:08eff6258e1b 283 /** This is called by Gap to notify the application we disconnected,
ocomeni 75:08eff6258e1b 284 * in our case it ends the demonstration. */
ocomeni 75:08eff6258e1b 285 void SMDevice::on_disconnect(const Gap::DisconnectionCallbackParams_t *event)
ocomeni 75:08eff6258e1b 286 {
ocomeni 103:7b566b522427 287 dbg_printf(LOG, "Disconnected\r\n");
ocomeni 77:0b505d1e15f4 288 #ifndef DEMO_BLE_SECURITY
ocomeni 103:7b566b522427 289 dbg_printf(LOG, "Restarting advertising...\r\n");
ocomeni 113:888e262ff0a9 290 _ble.gap().startAdvertising(ble::LEGACY_ADVERTISING_HANDLE);
ocomeni 77:0b505d1e15f4 291 #else
ocomeni 75:08eff6258e1b 292 _event_queue.break_dispatch();
ocomeni 77:0b505d1e15f4 293 #endif
ocomeni 113:888e262ff0a9 294 isConnected = false;
ocomeni 75:08eff6258e1b 295 }
ocomeni 75:08eff6258e1b 296
ocomeni 75:08eff6258e1b 297 /** End demonstration unexpectedly. Called if timeout is reached during advertising,
ocomeni 75:08eff6258e1b 298 * scanning or connection initiation */
ocomeni 75:08eff6258e1b 299 void SMDevice::on_timeout(const Gap::TimeoutSource_t source)
ocomeni 75:08eff6258e1b 300 {
ocomeni 103:7b566b522427 301 dbg_printf(LOG, "Unexpected timeout - aborting\r\n");
ocomeni 75:08eff6258e1b 302 _event_queue.break_dispatch();
ocomeni 75:08eff6258e1b 303 }
ocomeni 75:08eff6258e1b 304
ocomeni 75:08eff6258e1b 305 /** Schedule processing of events from the BLE in the event queue. */
ocomeni 75:08eff6258e1b 306 void SMDevice::schedule_ble_events(BLE::OnEventsToProcessCallbackContext *context)
ocomeni 75:08eff6258e1b 307 {
ocomeni 75:08eff6258e1b 308 _event_queue.call(mbed::callback(&context->ble, &BLE::processEvents));
ocomeni 75:08eff6258e1b 309 };
ocomeni 75:08eff6258e1b 310
ocomeni 76:6afda865fbf8 311 /** Echo received data back */
ocomeni 76:6afda865fbf8 312 void SMDevice::EchoBleUartReceived()
ocomeni 76:6afda865fbf8 313 {
ocomeni 76:6afda865fbf8 314 uart->writeString(buffer);
ocomeni 76:6afda865fbf8 315 uart->writeString("\n"); //flushes uart output buffer and sends data
ocomeni 76:6afda865fbf8 316 }
ocomeni 76:6afda865fbf8 317
ocomeni 76:6afda865fbf8 318
ocomeni 79:a2187bbfa407 319 /** Send data aynchronously using BLE */
ocomeni 79:a2187bbfa407 320 void SMDevice::sendBLEUartData(char * str)
ocomeni 79:a2187bbfa407 321 {
ocomeni 113:888e262ff0a9 322 //Gap::GapState_t gapState = _ble.gap().getState();
ocomeni 113:888e262ff0a9 323 //Gap::GapState_t gapState = _ble.getGapState();
ocomeni 113:888e262ff0a9 324 //gapState.connected
ocomeni 113:888e262ff0a9 325 if(isConnected){
ocomeni 79:a2187bbfa407 326 uart->writeString(str);
ocomeni 79:a2187bbfa407 327 uart->writeString("\n"); //flushes uart output buffer and sends data
ocomeni 79:a2187bbfa407 328 }
ocomeni 113:888e262ff0a9 329 else
ocomeni 113:888e262ff0a9 330 {
ocomeni 113:888e262ff0a9 331 dbg_printf(LOG, "BLE not connected\r\n");
ocomeni 113:888e262ff0a9 332 }
ocomeni 79:a2187bbfa407 333 }
ocomeni 79:a2187bbfa407 334
ocomeni 79:a2187bbfa407 335
ocomeni 76:6afda865fbf8 336 /**
ocomeni 79:a2187bbfa407 337 * This callback allows the UARTService to receive updates.
ocomeni 76:6afda865fbf8 338 *
ocomeni 76:6afda865fbf8 339 * @param[in] params
ocomeni 76:6afda865fbf8 340 * Information about the characterisitc being updated.
ocomeni 76:6afda865fbf8 341 */
ocomeni 76:6afda865fbf8 342 void SMDevice::onDataWrittenCallback(const GattWriteCallbackParams *params) {
ocomeni 76:6afda865fbf8 343 if ((uart != NULL) && (params->handle == uart->getTXCharacteristicHandle())) {
ocomeni 76:6afda865fbf8 344 uint16_t bytesRead = params->len;
ocomeni 76:6afda865fbf8 345
ocomeni 103:7b566b522427 346 dbg_printf(LOG, "received %u bytes\n\r ", bytesRead);
ocomeni 76:6afda865fbf8 347
ocomeni 76:6afda865fbf8 348 if(bytesRead >= 255){
ocomeni 103:7b566b522427 349 dbg_printf(LOG, "Overflow command %u n\r ", bytesRead);
ocomeni 76:6afda865fbf8 350 bytesRead = 255;
ocomeni 76:6afda865fbf8 351 }
ocomeni 76:6afda865fbf8 352
ocomeni 76:6afda865fbf8 353 unsigned index = 0;
ocomeni 76:6afda865fbf8 354 for (; index < bytesRead; index++) {
ocomeni 76:6afda865fbf8 355 buffer[index] = params->data[index];
ocomeni 76:6afda865fbf8 356 }
ocomeni 76:6afda865fbf8 357
ocomeni 76:6afda865fbf8 358 buffer[index++] = 0;
ocomeni 76:6afda865fbf8 359
ocomeni 103:7b566b522427 360 dbg_printf(LOG, "Data : %s ",buffer);
ocomeni 103:7b566b522427 361 dbg_printf(LOG, "\r\n");
ocomeni 76:6afda865fbf8 362 /* start echo in 50 ms */
ocomeni 76:6afda865fbf8 363 _event_queue.call_in(50, this, &SMDevice::EchoBleUartReceived);
ocomeni 76:6afda865fbf8 364 //_event_queue.call(EchoBleUartReceived);
ocomeni 76:6afda865fbf8 365
ocomeni 76:6afda865fbf8 366 }
ocomeni 76:6afda865fbf8 367 }
ocomeni 79:a2187bbfa407 368
ocomeni 79:a2187bbfa407 369
ocomeni 79:a2187bbfa407 370
ocomeni 79:a2187bbfa407 371
ocomeni 75:08eff6258e1b 372 /** Blink LED to show we're running */
ocomeni 75:08eff6258e1b 373 void SMDevice::blink(void)
ocomeni 75:08eff6258e1b 374 {
ocomeni 75:08eff6258e1b 375 _led1 = !_led1;
ocomeni 75:08eff6258e1b 376 }
ocomeni 75:08eff6258e1b 377
ocomeni 75:08eff6258e1b 378
ocomeni 77:0b505d1e15f4 379 void SMDevice::reportGapState()
ocomeni 77:0b505d1e15f4 380 {
ocomeni 113:888e262ff0a9 381 //Gap::GapState_t gapState = _ble.gap().getState();
ocomeni 77:0b505d1e15f4 382 char connStr[20] = " Not Connected ";
ocomeni 77:0b505d1e15f4 383 char advStr[20] = " Not Advertising ";
ocomeni 113:888e262ff0a9 384 //char devName[20] = "";
ocomeni 113:888e262ff0a9 385 //if(gapState.advertising){
ocomeni 113:888e262ff0a9 386 if(_ble.gap().isAdvertisingActive(ble::LEGACY_ADVERTISING_HANDLE)){
ocomeni 77:0b505d1e15f4 387 strncpy(advStr, " Advertising ", 20);
ocomeni 77:0b505d1e15f4 388 }
ocomeni 113:888e262ff0a9 389 if(isConnected){
ocomeni 77:0b505d1e15f4 390 strncpy(connStr, " Connected ", 20);
ocomeni 77:0b505d1e15f4 391 }
ocomeni 103:7b566b522427 392 dbg_printf(LOG, "\n Advertising Status = %s\n Connection Status = %s\n", advStr, connStr);
ocomeni 77:0b505d1e15f4 393
ocomeni 77:0b505d1e15f4 394 }
ocomeni 77:0b505d1e15f4 395
ocomeni 77:0b505d1e15f4 396
ocomeni 75:08eff6258e1b 397 /** A peripheral device will advertise, accept the connection and request
ocomeni 75:08eff6258e1b 398 * a change in link security. */
ocomeni 118:8df0e9c2ee3f 399 SMDevicePeripheral::SMDevicePeripheral(BLE &ble, events::EventQueue &event_queue, BLEProtocol::AddressBytes_t &peer_address,
ocomeni 118:8df0e9c2ee3f 400 MemoryPool<at_ble_msg_t, PQDSZ_BLE> *aT2BleDatamPool,
ocomeni 118:8df0e9c2ee3f 401 Queue<at_ble_msg_t, PQDSZ_BLE> *aT2BleDataQueue,
ocomeni 118:8df0e9c2ee3f 402 MemoryPool<ble_at_msg_t, PQDSZ_BLE> *ble2ATDatamPool,
ocomeni 118:8df0e9c2ee3f 403 Queue<ble_at_msg_t, PQDSZ_BLE> *ble2ATDataQueue,
ocomeni 118:8df0e9c2ee3f 404 ble_config_t *ble_config)
ocomeni 118:8df0e9c2ee3f 405 : SMDevice(ble, event_queue, peer_address,
ocomeni 118:8df0e9c2ee3f 406 aT2BleDatamPool, aT2BleDataQueue,
ocomeni 118:8df0e9c2ee3f 407 ble2ATDatamPool, ble2ATDataQueue,
ocomeni 118:8df0e9c2ee3f 408 ble_config) { }
ocomeni 75:08eff6258e1b 409
ocomeni 75:08eff6258e1b 410 void SMDevicePeripheral::start()
ocomeni 75:08eff6258e1b 411 {
ocomeni 75:08eff6258e1b 412 /* Set up and start advertising */
ocomeni 75:08eff6258e1b 413
ocomeni 75:08eff6258e1b 414 ble_error_t error;
ocomeni 75:08eff6258e1b 415 GapAdvertisingData advertising_data;
ocomeni 75:08eff6258e1b 416
ocomeni 75:08eff6258e1b 417 /* add advertising flags */
ocomeni 75:08eff6258e1b 418 advertising_data.addFlags(GapAdvertisingData::LE_GENERAL_DISCOVERABLE
ocomeni 75:08eff6258e1b 419 | GapAdvertisingData::BREDR_NOT_SUPPORTED);
ocomeni 75:08eff6258e1b 420
ocomeni 75:08eff6258e1b 421 /* add device name */
ocomeni 75:08eff6258e1b 422 advertising_data.addData(
ocomeni 75:08eff6258e1b 423 GapAdvertisingData::COMPLETE_LOCAL_NAME,
ocomeni 116:2296cf274661 424 (const uint8_t *)ble_config->deviceName,
ocomeni 116:2296cf274661 425 strlen(ble_config->deviceName)
ocomeni 76:6afda865fbf8 426 );
ocomeni 76:6afda865fbf8 427 /* Setup primary service */
ocomeni 76:6afda865fbf8 428 uart = new UARTService(_ble);
ocomeni 76:6afda865fbf8 429
ocomeni 75:08eff6258e1b 430
ocomeni 76:6afda865fbf8 431 /* add device name */
ocomeni 76:6afda865fbf8 432 error = advertising_data.addData(
ocomeni 76:6afda865fbf8 433 GapAdvertisingData::COMPLETE_LIST_128BIT_SERVICE_IDS ,
ocomeni 76:6afda865fbf8 434 (const uint8_t *)UARTServiceUUID_reversed,
ocomeni 76:6afda865fbf8 435 sizeof(sizeof(UARTServiceUUID_reversed))
ocomeni 76:6afda865fbf8 436 );
ocomeni 76:6afda865fbf8 437 /* setup advertising */
ocomeni 76:6afda865fbf8 438 //error = _ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE);
ocomeni 76:6afda865fbf8 439 //ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_16BIT_SERVICE_IDS, (uint8_t *)uuid16_list, sizeof(uuid16_list));
ocomeni 76:6afda865fbf8 440 //error = _ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LOCAL_NAME, (uint8_t *)DEVICE_NAME, sizeof(DEVICE_NAME));
ocomeni 76:6afda865fbf8 441 /* set up the services that can be discovered */
ocomeni 76:6afda865fbf8 442 //error = _ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_128BIT_SERVICE_IDS,(const uint8_t *)UARTServiceUUID_reversed, sizeof(UARTServiceUUID_reversed));
ocomeni 76:6afda865fbf8 443
ocomeni 76:6afda865fbf8 444
ocomeni 76:6afda865fbf8 445 //error = _ble.gap().setAdvertisingPayload(advertising_data);
ocomeni 75:08eff6258e1b 446
ocomeni 75:08eff6258e1b 447 if (error) {
ocomeni 103:7b566b522427 448 dbg_printf(LOG, "Error during Gap::setAdvertisingPayload\r\n");
ocomeni 75:08eff6258e1b 449 return;
ocomeni 75:08eff6258e1b 450 }
ocomeni 75:08eff6258e1b 451
ocomeni 75:08eff6258e1b 452 /* advertise to everyone */
ocomeni 75:08eff6258e1b 453 _ble.gap().setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED);
ocomeni 75:08eff6258e1b 454 /* how many milliseconds between advertisements, lower interval
ocomeni 75:08eff6258e1b 455 * increases the chances of being seen at the cost of more power */
ocomeni 76:6afda865fbf8 456 //_ble.gap().setAdvertisingInterval(20);
ocomeni 76:6afda865fbf8 457 //_ble.gap().setAdvertisingTimeout(0);
ocomeni 116:2296cf274661 458 _ble.gap().setAdvertisingInterval(ble_config->advInterval); /* setting in ble_config */
ocomeni 116:2296cf274661 459 _ble.gap().setAdvertisingTimeout(ble_config->advTimeout); /* setting in ble_config */
ocomeni 75:08eff6258e1b 460
ocomeni 113:888e262ff0a9 461 error = _ble.gap().startAdvertising(ble::LEGACY_ADVERTISING_HANDLE);
ocomeni 75:08eff6258e1b 462
ocomeni 75:08eff6258e1b 463 if (error) {
ocomeni 103:7b566b522427 464 dbg_printf(LOG, "Error during Gap::startAdvertising.\r\n");
ocomeni 75:08eff6258e1b 465 return;
ocomeni 75:08eff6258e1b 466 }
ocomeni 75:08eff6258e1b 467
ocomeni 103:7b566b522427 468 dbg_printf(LOG, "Please connect to device\r\n");
ocomeni 75:08eff6258e1b 469
ocomeni 75:08eff6258e1b 470 /** This tells the stack to generate a pairingRequest event
ocomeni 75:08eff6258e1b 471 * which will require this application to respond before pairing
ocomeni 75:08eff6258e1b 472 * can proceed. Setting it to false will automatically accept
ocomeni 75:08eff6258e1b 473 * pairing. */
ocomeni 75:08eff6258e1b 474 _ble.securityManager().setPairingRequestAuthorisation(true);
ocomeni 75:08eff6258e1b 475 }
ocomeni 75:08eff6258e1b 476
ocomeni 75:08eff6258e1b 477 /** This is called by Gap to notify the application we connected,
ocomeni 75:08eff6258e1b 478 * in our case it immediately requests a change in link security */
ocomeni 75:08eff6258e1b 479 void SMDevicePeripheral::on_connect(const Gap::ConnectionCallbackParams_t *connection_event)
ocomeni 75:08eff6258e1b 480 {
ocomeni 75:08eff6258e1b 481 ble_error_t error;
ocomeni 75:08eff6258e1b 482
ocomeni 75:08eff6258e1b 483 /* remember the device that connects to us now so we can connect to it
ocomeni 75:08eff6258e1b 484 * during the next demonstration */
ocomeni 75:08eff6258e1b 485 memcpy(_peer_address, connection_event->peerAddr, sizeof(_peer_address));
ocomeni 75:08eff6258e1b 486
ocomeni 103:7b566b522427 487 dbg_printf(LOG, "Connected to: %02x:%02x:%02x:%02x:%02x:%02x\r\n",
ocomeni 75:08eff6258e1b 488 _peer_address[5], _peer_address[4], _peer_address[3],
ocomeni 75:08eff6258e1b 489 _peer_address[2], _peer_address[1], _peer_address[0]);
ocomeni 75:08eff6258e1b 490
ocomeni 75:08eff6258e1b 491 /* store the handle for future Security Manager requests */
ocomeni 75:08eff6258e1b 492 _handle = connection_event->handle;
ocomeni 75:08eff6258e1b 493
ocomeni 75:08eff6258e1b 494 /* Request a change in link security. This will be done
ocomeni 75:08eff6258e1b 495 * indirectly by asking the master of the connection to
ocomeni 75:08eff6258e1b 496 * change it. Depending on circumstances different actions
ocomeni 75:08eff6258e1b 497 * may be taken by the master which will trigger events
ocomeni 75:08eff6258e1b 498 * which the applications should deal with. */
ocomeni 75:08eff6258e1b 499 error = _ble.securityManager().setLinkSecurity(
ocomeni 75:08eff6258e1b 500 _handle,
ocomeni 75:08eff6258e1b 501 SecurityManager::SECURITY_MODE_ENCRYPTION_NO_MITM
ocomeni 75:08eff6258e1b 502 );
ocomeni 75:08eff6258e1b 503
ocomeni 75:08eff6258e1b 504 if (error) {
ocomeni 103:7b566b522427 505 dbg_printf(LOG, "Error during SM::setLinkSecurity %d\r\n", error);
ocomeni 75:08eff6258e1b 506 return;
ocomeni 75:08eff6258e1b 507 }
ocomeni 103:7b566b522427 508 dbg_printf(LOG, "SM::setLinkSecurity setup\r\n");
ocomeni 113:888e262ff0a9 509 isConnected = true;
ocomeni 75:08eff6258e1b 510 }
ocomeni 75:08eff6258e1b 511
ocomeni 77:0b505d1e15f4 512 void SMDevicePeripheral::stopAdvertising()
ocomeni 77:0b505d1e15f4 513 {
ocomeni 77:0b505d1e15f4 514 if (_ble.hasInitialized()) {
ocomeni 77:0b505d1e15f4 515 ble_error_t error;
ocomeni 113:888e262ff0a9 516 error = _ble.gap().stopAdvertising(ble::LEGACY_ADVERTISING_HANDLE);;
ocomeni 77:0b505d1e15f4 517 if(error){
ocomeni 103:7b566b522427 518 dbg_printf(LOG, " Error stopping advertising...\r\n");
ocomeni 77:0b505d1e15f4 519 return;
ocomeni 77:0b505d1e15f4 520 }
ocomeni 103:7b566b522427 521 dbg_printf(LOG, "Stopping advertising...\r\n");
ocomeni 77:0b505d1e15f4 522 //_event_queue.break_dispatch();
ocomeni 77:0b505d1e15f4 523 }
ocomeni 77:0b505d1e15f4 524 }
ocomeni 77:0b505d1e15f4 525 void SMDevicePeripheral::startAdvertising()
ocomeni 77:0b505d1e15f4 526 {
ocomeni 77:0b505d1e15f4 527 if (_ble.hasInitialized()) {
ocomeni 77:0b505d1e15f4 528 ble_error_t error;
ocomeni 113:888e262ff0a9 529 error = _ble.gap().startAdvertising(ble::LEGACY_ADVERTISING_HANDLE);
ocomeni 77:0b505d1e15f4 530 if(error){
ocomeni 103:7b566b522427 531 dbg_printf(LOG, " Error Restarting advertising...\r\n");
ocomeni 77:0b505d1e15f4 532 return;
ocomeni 77:0b505d1e15f4 533 }
ocomeni 103:7b566b522427 534 dbg_printf(LOG, "Restarting advertising...\r\n");
ocomeni 77:0b505d1e15f4 535 //_event_queue.break_dispatch();
ocomeni 77:0b505d1e15f4 536 }
ocomeni 77:0b505d1e15f4 537 }
ocomeni 77:0b505d1e15f4 538
ocomeni 77:0b505d1e15f4 539
ocomeni 119:8d939a902333 540 void SMDevicePeripheral::processQueues()
ocomeni 119:8d939a902333 541 {
ocomeni 119:8d939a902333 542 dequeueATdataResponse();
ocomeni 119:8d939a902333 543 switch(bleCmd)
ocomeni 119:8d939a902333 544 {
ocomeni 119:8d939a902333 545 case BLE_CMD_NONE:
ocomeni 119:8d939a902333 546 break;
ocomeni 119:8d939a902333 547 case BLE_CMD_CONFIG:
ocomeni 119:8d939a902333 548 _aT2BleDatamPool->free(data_msg);
ocomeni 119:8d939a902333 549 bleCmd = BLE_CMD_NONE;
ocomeni 119:8d939a902333 550 break;
ocomeni 119:8d939a902333 551 case BLE_CMD_CONNECT:
ocomeni 119:8d939a902333 552 _aT2BleDatamPool->free(data_msg);
ocomeni 119:8d939a902333 553 bleCmd = BLE_CMD_NONE;
ocomeni 119:8d939a902333 554 break;
ocomeni 119:8d939a902333 555 case BLE_CMD_DISCONNECT:
ocomeni 119:8d939a902333 556 _aT2BleDatamPool->free(data_msg);
ocomeni 119:8d939a902333 557 bleCmd = BLE_CMD_NONE;
ocomeni 119:8d939a902333 558 break;
ocomeni 119:8d939a902333 559 case BLE_CMD_SEND_RX_DATA_2AT:
ocomeni 119:8d939a902333 560 _aT2BleDatamPool->free(data_msg);
ocomeni 119:8d939a902333 561 bleCmd = BLE_CMD_NONE;
ocomeni 119:8d939a902333 562 break;
ocomeni 119:8d939a902333 563 case BLE_CMD_SEND_AT_DATA_2BLE:
ocomeni 119:8d939a902333 564 _aT2BleDatamPool->free(data_msg);
ocomeni 119:8d939a902333 565 bleCmd = BLE_CMD_NONE;
ocomeni 119:8d939a902333 566 break;
ocomeni 119:8d939a902333 567 default:
ocomeni 119:8d939a902333 568 _aT2BleDatamPool->free(data_msg);
ocomeni 119:8d939a902333 569 bleCmd = BLE_CMD_NONE;
ocomeni 119:8d939a902333 570 break;
ocomeni 119:8d939a902333 571 }
ocomeni 119:8d939a902333 572
ocomeni 119:8d939a902333 573 }
ocomeni 119:8d939a902333 574
ocomeni 119:8d939a902333 575
ocomeni 119:8d939a902333 576 bool SMDevicePeripheral::queueBleDataResponse(ble_at_msg_t at_resp)
ocomeni 119:8d939a902333 577 {
ocomeni 119:8d939a902333 578 ble_at_msg_t *atData = _ble2ATDatamPool->alloc();
ocomeni 119:8d939a902333 579 if(atData == NULL) return false; // queue full;
ocomeni 119:8d939a902333 580 atData->at_resp = at_resp.at_resp;
ocomeni 119:8d939a902333 581 atData->dataLen = at_resp.dataLen;
ocomeni 119:8d939a902333 582 memcpy(atData->buffer, at_resp.buffer, at_resp.dataLen);
ocomeni 119:8d939a902333 583 _ble2ATDataQueue->put(atData);
ocomeni 119:8d939a902333 584 dbg_printf(LOG, "[BLE-MAN] queued data size = %d : at_resp = %d\n", at_resp.dataLen, at_resp.at_resp);
ocomeni 119:8d939a902333 585 return true;
ocomeni 119:8d939a902333 586 }
ocomeni 119:8d939a902333 587
ocomeni 119:8d939a902333 588
ocomeni 119:8d939a902333 589 bool SMDevicePeripheral::dequeueATdataResponse(){
ocomeni 119:8d939a902333 590 if(bleCmd != BLE_CMD_NONE) return false; // busy
ocomeni 119:8d939a902333 591 osEvent evt = _aT2BleDataQueue->get(0);
ocomeni 119:8d939a902333 592 if(evt.status == osEventMessage){
ocomeni 119:8d939a902333 593 data_msg = (at_ble_msg_t*)evt.value.p;
ocomeni 119:8d939a902333 594 setNextCommand(data_msg->ble_cmd);
ocomeni 119:8d939a902333 595 //_wiFi2ATDatamPool->free(data_msg);
ocomeni 119:8d939a902333 596 }
ocomeni 119:8d939a902333 597 return true;
ocomeni 119:8d939a902333 598 }
ocomeni 119:8d939a902333 599
ocomeni 119:8d939a902333 600 void SMDevicePeripheral::sendATresponseBytes(at_cmd_resp_t at_cmd, const uint8_t * buf, int len)
ocomeni 119:8d939a902333 601 {
ocomeni 119:8d939a902333 602 at_data_resp = new ble_at_msg_t;
ocomeni 119:8d939a902333 603 // package and send on BLE data queue
ocomeni 119:8d939a902333 604 // set string length
ocomeni 119:8d939a902333 605 at_data_resp->dataLen = len;
ocomeni 119:8d939a902333 606 // copy data
ocomeni 119:8d939a902333 607 memcpy(at_data_resp->buffer, buf, len);
ocomeni 119:8d939a902333 608 // copy response type
ocomeni 119:8d939a902333 609 at_data_resp->at_resp = at_cmd;
ocomeni 119:8d939a902333 610 bool queueResult = true;
ocomeni 119:8d939a902333 611 int wait_count = 0;
ocomeni 119:8d939a902333 612 queueResult = queueBleDataResponse(*at_data_resp);
ocomeni 119:8d939a902333 613 delete at_data_resp;
ocomeni 119:8d939a902333 614 at_data_resp = NULL;
ocomeni 119:8d939a902333 615 dbg_printf(LOG, "[BLE-MAN] sendATresponseBytes completed successfully\r\n");
ocomeni 119:8d939a902333 616 }
ocomeni 119:8d939a902333 617
ocomeni 119:8d939a902333 618 bool SMDevicePeripheral::setNextCommand(ble_cmd_t cmd)
ocomeni 119:8d939a902333 619 {
ocomeni 119:8d939a902333 620 dbg_printf(LOG, "\n [BLE-MAN] About to set next BLE manager command to %d\n", cmd);
ocomeni 119:8d939a902333 621 if(bleCmd == BLE_CMD_NONE){
ocomeni 119:8d939a902333 622 bleCmd = cmd;
ocomeni 119:8d939a902333 623 return true; // success
ocomeni 119:8d939a902333 624 }
ocomeni 119:8d939a902333 625 dbg_printf(LOG, "\n [BLE-MAN] Busy : current state = %d \n", bleCmd);
ocomeni 119:8d939a902333 626 return false; // BleManager busy
ocomeni 119:8d939a902333 627 }
ocomeni 77:0b505d1e15f4 628
ocomeni 75:08eff6258e1b 629 /** A central device will scan, connect to a peer and request pairing. */
ocomeni 75:08eff6258e1b 630
ocomeni 118:8df0e9c2ee3f 631 SMDeviceCentral::SMDeviceCentral(BLE &ble, events::EventQueue &event_queue, BLEProtocol::AddressBytes_t &peer_address,
ocomeni 118:8df0e9c2ee3f 632 MemoryPool<at_ble_msg_t, PQDSZ_BLE> *aT2BleDatamPool,
ocomeni 118:8df0e9c2ee3f 633 Queue<at_ble_msg_t, PQDSZ_BLE> *aT2BleDataQueue,
ocomeni 118:8df0e9c2ee3f 634 MemoryPool<ble_at_msg_t, PQDSZ_BLE> *ble2ATDatamPool,
ocomeni 118:8df0e9c2ee3f 635 Queue<ble_at_msg_t, PQDSZ_BLE> *ble2ATDataQueue,
ocomeni 118:8df0e9c2ee3f 636 ble_config_t *ble_config)
ocomeni 118:8df0e9c2ee3f 637 : SMDevice(ble, event_queue, peer_address,
ocomeni 118:8df0e9c2ee3f 638 aT2BleDatamPool, aT2BleDataQueue,
ocomeni 118:8df0e9c2ee3f 639 ble2ATDatamPool, ble2ATDataQueue,
ocomeni 118:8df0e9c2ee3f 640 ble_config) { };
ocomeni 75:08eff6258e1b 641
ocomeni 75:08eff6258e1b 642 void SMDeviceCentral::start()
ocomeni 75:08eff6258e1b 643 {
ocomeni 75:08eff6258e1b 644 /* start scanning and attach a callback that will handle advertisements
ocomeni 75:08eff6258e1b 645 * and scan requests responses */
ocomeni 75:08eff6258e1b 646 ble_error_t error = _ble.gap().startScan(this, &SMDeviceCentral::on_scan);
ocomeni 75:08eff6258e1b 647
ocomeni 103:7b566b522427 648 dbg_printf(LOG, "Please advertise\r\n");
ocomeni 75:08eff6258e1b 649
ocomeni 103:7b566b522427 650 dbg_printf(LOG, "Scanning for: %02x:%02x:%02x:%02x:%02x:%02x\r\n",
ocomeni 75:08eff6258e1b 651 _peer_address[5], _peer_address[4], _peer_address[3],
ocomeni 75:08eff6258e1b 652 _peer_address[2], _peer_address[1], _peer_address[0]);
ocomeni 75:08eff6258e1b 653
ocomeni 75:08eff6258e1b 654 if (error) {
ocomeni 103:7b566b522427 655 dbg_printf(LOG, "Error during Gap::startScan %d\r\n", error);
ocomeni 75:08eff6258e1b 656 return;
ocomeni 75:08eff6258e1b 657 }
ocomeni 75:08eff6258e1b 658 }
ocomeni 75:08eff6258e1b 659
ocomeni 75:08eff6258e1b 660 /** Look at scan payload to find a peer device and connect to it */
ocomeni 75:08eff6258e1b 661 void SMDeviceCentral::on_scan(const Gap::AdvertisementCallbackParams_t *params)
ocomeni 75:08eff6258e1b 662 {
ocomeni 75:08eff6258e1b 663 /* don't bother with analysing scan result if we're already connecting */
ocomeni 75:08eff6258e1b 664 if (_is_connecting) {
ocomeni 75:08eff6258e1b 665 return;
ocomeni 75:08eff6258e1b 666 }
ocomeni 75:08eff6258e1b 667
ocomeni 75:08eff6258e1b 668 /* connect to the same device that connected to us */
ocomeni 75:08eff6258e1b 669 if (memcmp(params->peerAddr, _peer_address, sizeof(_peer_address)) == 0) {
ocomeni 75:08eff6258e1b 670
ocomeni 75:08eff6258e1b 671 ble_error_t error = _ble.gap().connect(
ocomeni 75:08eff6258e1b 672 params->peerAddr, params->peerAddrType,
ocomeni 75:08eff6258e1b 673 NULL, NULL
ocomeni 75:08eff6258e1b 674 );
ocomeni 75:08eff6258e1b 675
ocomeni 75:08eff6258e1b 676 if (error) {
ocomeni 103:7b566b522427 677 dbg_printf(LOG, "Error during Gap::connect %d\r\n", error);
ocomeni 75:08eff6258e1b 678 return;
ocomeni 75:08eff6258e1b 679 }
ocomeni 75:08eff6258e1b 680
ocomeni 103:7b566b522427 681 dbg_printf(LOG, "Connecting... ");
ocomeni 75:08eff6258e1b 682
ocomeni 75:08eff6258e1b 683 /* we may have already scan events waiting
ocomeni 75:08eff6258e1b 684 * to be processed so we need to remember
ocomeni 75:08eff6258e1b 685 * that we are already connecting and ignore them */
ocomeni 75:08eff6258e1b 686 _is_connecting = true;
ocomeni 75:08eff6258e1b 687
ocomeni 75:08eff6258e1b 688 return;
ocomeni 75:08eff6258e1b 689 }
ocomeni 75:08eff6258e1b 690 }
ocomeni 75:08eff6258e1b 691
ocomeni 75:08eff6258e1b 692 /** This is called by Gap to notify the application we connected,
ocomeni 75:08eff6258e1b 693 * in our case it immediately request pairing */
ocomeni 75:08eff6258e1b 694 void SMDeviceCentral::on_connect(const Gap::ConnectionCallbackParams_t *connection_event)
ocomeni 75:08eff6258e1b 695 {
ocomeni 75:08eff6258e1b 696 ble_error_t error;
ocomeni 75:08eff6258e1b 697
ocomeni 75:08eff6258e1b 698 /* store the handle for future Security Manager requests */
ocomeni 75:08eff6258e1b 699 _handle = connection_event->handle;
ocomeni 75:08eff6258e1b 700
ocomeni 75:08eff6258e1b 701 /* in this example the local device is the master so we request pairing */
ocomeni 75:08eff6258e1b 702 error = _ble.securityManager().requestPairing(_handle);
ocomeni 75:08eff6258e1b 703
ocomeni 103:7b566b522427 704 dbg_printf(LOG, "Connected\r\n");
ocomeni 75:08eff6258e1b 705
ocomeni 75:08eff6258e1b 706 if (error) {
ocomeni 103:7b566b522427 707 dbg_printf(LOG, "Error during SM::requestPairing %d\r\n", error);
ocomeni 75:08eff6258e1b 708 return;
ocomeni 75:08eff6258e1b 709 }
ocomeni 75:08eff6258e1b 710
ocomeni 75:08eff6258e1b 711 /* upon pairing success the application will disconnect */
ocomeni 75:08eff6258e1b 712 }
ocomeni 75:08eff6258e1b 713
ocomeni 75:08eff6258e1b 714
ocomeni 75:08eff6258e1b 715
ocomeni 75:08eff6258e1b 716 #if MBED_CONF_APP_FILESYSTEM_SUPPORT
ocomeni 75:08eff6258e1b 717 bool create_filesystem()
ocomeni 75:08eff6258e1b 718 {
ocomeni 75:08eff6258e1b 719 static LittleFileSystem fs("fs");
ocomeni 75:08eff6258e1b 720
ocomeni 75:08eff6258e1b 721 /* replace this with any physical block device your board supports (like an SD card) */
ocomeni 75:08eff6258e1b 722 static HeapBlockDevice bd(4096, 256);
ocomeni 75:08eff6258e1b 723
ocomeni 75:08eff6258e1b 724 int err = bd.init();
ocomeni 75:08eff6258e1b 725
ocomeni 75:08eff6258e1b 726 if (err) {
ocomeni 75:08eff6258e1b 727 return false;
ocomeni 75:08eff6258e1b 728 }
ocomeni 75:08eff6258e1b 729
ocomeni 75:08eff6258e1b 730 err = bd.erase(0, bd.size());
ocomeni 75:08eff6258e1b 731
ocomeni 75:08eff6258e1b 732 if (err) {
ocomeni 75:08eff6258e1b 733 return false;
ocomeni 75:08eff6258e1b 734 }
ocomeni 75:08eff6258e1b 735
ocomeni 75:08eff6258e1b 736 err = fs.mount(&bd);
ocomeni 75:08eff6258e1b 737
ocomeni 75:08eff6258e1b 738 if (err) {
ocomeni 75:08eff6258e1b 739 /* Reformat if we can't mount the filesystem */
ocomeni 103:7b566b522427 740 dbg_printf(LOG, "No filesystem found, formatting...\r\n");
ocomeni 75:08eff6258e1b 741
ocomeni 75:08eff6258e1b 742 err = fs.reformat(&bd);
ocomeni 75:08eff6258e1b 743
ocomeni 75:08eff6258e1b 744 if (err) {
ocomeni 75:08eff6258e1b 745 return false;
ocomeni 75:08eff6258e1b 746 }
ocomeni 75:08eff6258e1b 747 }
ocomeni 75:08eff6258e1b 748
ocomeni 75:08eff6258e1b 749 return true;
ocomeni 75:08eff6258e1b 750 }
ocomeni 75:08eff6258e1b 751 #endif //MBED_CONF_APP_FILESYSTEM_SUPPORT
ocomeni 75:08eff6258e1b 752 #ifdef BLE_SECURITY_MAIN
ocomeni 75:08eff6258e1b 753 int main()
ocomeni 75:08eff6258e1b 754 {
ocomeni 75:08eff6258e1b 755 BLE& ble = BLE::Instance();
ocomeni 75:08eff6258e1b 756 events::EventQueue queue;
ocomeni 75:08eff6258e1b 757
ocomeni 75:08eff6258e1b 758 #if MBED_CONF_APP_FILESYSTEM_SUPPORT
ocomeni 75:08eff6258e1b 759 /* if filesystem creation fails or there is no filesystem the security manager
ocomeni 75:08eff6258e1b 760 * will fallback to storing the security database in memory */
ocomeni 75:08eff6258e1b 761 if (!create_filesystem()) {
ocomeni 103:7b566b522427 762 dbg_printf(LOG, "Filesystem creation failed, will use memory storage\r\n");
ocomeni 75:08eff6258e1b 763 }
ocomeni 75:08eff6258e1b 764 #endif
ocomeni 75:08eff6258e1b 765
ocomeni 75:08eff6258e1b 766 while(1) {
ocomeni 75:08eff6258e1b 767 {
ocomeni 103:7b566b522427 768 dbg_printf(LOG, "\r\n PERIPHERAL \r\n\r\n");
ocomeni 75:08eff6258e1b 769 SMDevicePeripheral peripheral(ble, queue, peer_address);
ocomeni 75:08eff6258e1b 770 peripheral.run();
ocomeni 75:08eff6258e1b 771 }
ocomeni 75:08eff6258e1b 772
ocomeni 75:08eff6258e1b 773 {
ocomeni 103:7b566b522427 774 dbg_printf(LOG, "\r\n CENTRAL \r\n\r\n");
ocomeni 75:08eff6258e1b 775 SMDeviceCentral central(ble, queue, peer_address);
ocomeni 75:08eff6258e1b 776 central.run();
ocomeni 75:08eff6258e1b 777 }
ocomeni 75:08eff6258e1b 778 }
ocomeni 75:08eff6258e1b 779
ocomeni 75:08eff6258e1b 780 return 0;
ocomeni 75:08eff6258e1b 781 }
ocomeni 75:08eff6258e1b 782 #endif