mbed Microcontroller Library * Copyright (c) 2006-2013 ARM Limited * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #include "mbed.h" #include "BLE.h" #include "URIBeaconConfigService.h" #include "DFUService.h" #include "DeviceInformationService.h" #include "ConfigParamsPersistence.h" BLE ble; URIBeaconConfigService *uriBeaconConfig; /** * URIBeaconConfig service can operate in two modes: a configuration mode which * allows a user to update settings over a connection; and normal URIBeacon mode * which involves advertising a URI. Constructing an object from URIBeaconConfig * service sets up advertisements for the configuration mode. It is then up to * the application to switch to URIBeacon mode based on some timeout. * * The following help with this switch. */ static const int CONFIG_ADVERTISEMENT_TIMEOUT_SECONDS = 60; // Duration after power-on that config service is available. Ticker configAdvertisementTimeoutTicker; /** * Stop advertising the UriBeaconConfig Service after a delay; and switch to normal URIBeacon. */ void timeout(void) { Gap::GapState_t state; state = ble.getGapState(); if (!state.connected) { /* don't switch if we're in a connected state. */ uriBeaconConfig->setupURIBeaconAdvertisements(); ble.gap().startAdvertising(); configAdvertisementTimeoutTicker.detach(); /* disable the callback from the timeout Ticker. */ } } /** * Callback triggered upon a disconnection event. Needs to re-enable advertisements. */ void disconnectionCallback(Gap::Handle_t handle, Gap::DisconnectionReason_t reason) { ble.gap().startAdvertising(); } int main(void) { ble.init(); ble.gap().onDisconnection(disconnectionCallback); /* * Load parameters from (platform specific) persistent storage. Parameters * can be set to non-default values while the URIBeacon is in configuration * mode (within the first 60 seconds of power-up). Thereafter, parameters * get copied out to persistent storage before switching to normal URIBeacon * operation. */ URIBeaconConfigService::Params_t params; bool fetchedFromPersistentStorage = loadURIBeaconConfigParams(¶ms); /* Initialize a URIBeaconConfig service providing config params, default URI, and power levels. */ static URIBeaconConfigService::PowerLevels_t defaultAdvPowerLevels = {-20, -4, 0, 10}; // Values for ADV packets related to firmware levels uriBeaconConfig = new URIBeaconConfigService(ble, params, !fetchedFromPersistentStorage, "http://developer.mbed.org", defaultAdvPowerLevels); if (!uriBeaconConfig->configuredSuccessfully()) { error("failed to accommodate URI"); } configAdvertisementTimeoutTicker.attach(timeout, CONFIG_ADVERTISEMENT_TIMEOUT_SECONDS); // Setup auxiliary services to allow over-the-air firmware updates, etc DFUService dfu(ble); DeviceInformationService deviceInfo(ble, "ARM", "UriBeacon", "SN1", "hw-rev1", "fw-rev1", "soft-rev1"); ble.gap().startAdvertising(); /* Set the whole thing in motion. After this call a GAP central can scan the URIBeaconConfig * service. This can then be switched to the normal URIBeacon functionality after a timeout. */ while (true) { ble.waitForEvent(); } }