jan

Dependencies:   BLE_API mbed nRF51822

Committer:
janjongboom
Date:
Sat Nov 14 09:39:14 2015 +0000
Revision:
0:f17fb1bb4f3a
jan

Who changed what in which revision?

UserRevisionLine numberNew contents of line
janjongboom 0:f17fb1bb4f3a 1 /* mbed Microcontroller Library
janjongboom 0:f17fb1bb4f3a 2 * Copyright (c) 2006-2013 ARM Limited
janjongboom 0:f17fb1bb4f3a 3 *
janjongboom 0:f17fb1bb4f3a 4 * Licensed under the Apache License, Version 2.0 (the "License");
janjongboom 0:f17fb1bb4f3a 5 * you may not use this file except in compliance with the License.
janjongboom 0:f17fb1bb4f3a 6 * You may obtain a copy of the License at
janjongboom 0:f17fb1bb4f3a 7 *
janjongboom 0:f17fb1bb4f3a 8 * http://www.apache.org/licenses/LICENSE-2.0
janjongboom 0:f17fb1bb4f3a 9 *
janjongboom 0:f17fb1bb4f3a 10 * Unless required by applicable law or agreed to in writing, software
janjongboom 0:f17fb1bb4f3a 11 * distributed under the License is distributed on an "AS IS" BASIS,
janjongboom 0:f17fb1bb4f3a 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
janjongboom 0:f17fb1bb4f3a 13 * See the License for the specific language governing permissions and
janjongboom 0:f17fb1bb4f3a 14 * limitations under the License.
janjongboom 0:f17fb1bb4f3a 15 */
janjongboom 0:f17fb1bb4f3a 16
janjongboom 0:f17fb1bb4f3a 17 #include "mbed.h"
janjongboom 0:f17fb1bb4f3a 18 #include "ble/BLE.h"
janjongboom 0:f17fb1bb4f3a 19 #include "ble/services/URIBeaconConfigService.h"
janjongboom 0:f17fb1bb4f3a 20 #include "ble/services/DFUService.h"
janjongboom 0:f17fb1bb4f3a 21 #include "ble/services/DeviceInformationService.h"
janjongboom 0:f17fb1bb4f3a 22 #include "ConfigParamsPersistence.h"
janjongboom 0:f17fb1bb4f3a 23
janjongboom 0:f17fb1bb4f3a 24 BLE ble;
janjongboom 0:f17fb1bb4f3a 25 URIBeaconConfigService *uriBeaconConfig;
janjongboom 0:f17fb1bb4f3a 26
janjongboom 0:f17fb1bb4f3a 27 /**
janjongboom 0:f17fb1bb4f3a 28 * URIBeaconConfig service can operate in two modes: a configuration mode which
janjongboom 0:f17fb1bb4f3a 29 * allows a user to update settings over a connection; and normal URIBeacon mode
janjongboom 0:f17fb1bb4f3a 30 * which involves advertising a URI. Constructing an object from URIBeaconConfig
janjongboom 0:f17fb1bb4f3a 31 * service sets up advertisements for the configuration mode. It is then up to
janjongboom 0:f17fb1bb4f3a 32 * the application to switch to URIBeacon mode based on some timeout.
janjongboom 0:f17fb1bb4f3a 33 *
janjongboom 0:f17fb1bb4f3a 34 * The following help with this switch.
janjongboom 0:f17fb1bb4f3a 35 */
janjongboom 0:f17fb1bb4f3a 36 static const int CONFIG_ADVERTISEMENT_TIMEOUT_SECONDS = 5; // Duration after power-on that config service is available.
janjongboom 0:f17fb1bb4f3a 37 Ticker configAdvertisementTimeoutTicker;
janjongboom 0:f17fb1bb4f3a 38
janjongboom 0:f17fb1bb4f3a 39 /**
janjongboom 0:f17fb1bb4f3a 40 * Stop advertising the UriBeaconConfig Service after a delay; and switch to normal URIBeacon.
janjongboom 0:f17fb1bb4f3a 41 */
janjongboom 0:f17fb1bb4f3a 42 void timeout(void)
janjongboom 0:f17fb1bb4f3a 43 {
janjongboom 0:f17fb1bb4f3a 44 Gap::GapState_t state;
janjongboom 0:f17fb1bb4f3a 45 state = ble.getGapState();
janjongboom 0:f17fb1bb4f3a 46 if (!state.connected) { /* don't switch if we're in a connected state. */
janjongboom 0:f17fb1bb4f3a 47 uriBeaconConfig->setupURIBeaconAdvertisements();
janjongboom 0:f17fb1bb4f3a 48 ble.startAdvertising();
janjongboom 0:f17fb1bb4f3a 49
janjongboom 0:f17fb1bb4f3a 50 configAdvertisementTimeoutTicker.detach(); /* disable the callback from the timeout Ticker. */
janjongboom 0:f17fb1bb4f3a 51 }
janjongboom 0:f17fb1bb4f3a 52 }
janjongboom 0:f17fb1bb4f3a 53
janjongboom 0:f17fb1bb4f3a 54 /**
janjongboom 0:f17fb1bb4f3a 55 * Callback triggered upon a disconnection event. Needs to re-enable advertisements.
janjongboom 0:f17fb1bb4f3a 56 */
janjongboom 0:f17fb1bb4f3a 57 void disconnectionCallback(Gap::Handle_t handle, Gap::DisconnectionReason_t reason)
janjongboom 0:f17fb1bb4f3a 58 {
janjongboom 0:f17fb1bb4f3a 59 ble.startAdvertising();
janjongboom 0:f17fb1bb4f3a 60 }
janjongboom 0:f17fb1bb4f3a 61
janjongboom 0:f17fb1bb4f3a 62 int main(void)
janjongboom 0:f17fb1bb4f3a 63 {
janjongboom 0:f17fb1bb4f3a 64 ble.init();
janjongboom 0:f17fb1bb4f3a 65 ble.onDisconnection(disconnectionCallback);
janjongboom 0:f17fb1bb4f3a 66
janjongboom 0:f17fb1bb4f3a 67 /*
janjongboom 0:f17fb1bb4f3a 68 * Load parameters from (platform specific) persistent storage. Parameters
janjongboom 0:f17fb1bb4f3a 69 * can be set to non-default values while the URIBeacon is in configuration
janjongboom 0:f17fb1bb4f3a 70 * mode (within the first 60 seconds of power-up). Thereafter, parameters
janjongboom 0:f17fb1bb4f3a 71 * get copied out to persistent storage before switching to normal URIBeacon
janjongboom 0:f17fb1bb4f3a 72 * operation.
janjongboom 0:f17fb1bb4f3a 73 */
janjongboom 0:f17fb1bb4f3a 74 URIBeaconConfigService::Params_t params;
janjongboom 0:f17fb1bb4f3a 75 bool fetchedFromPersistentStorage = loadURIBeaconConfigParams(&params);
janjongboom 0:f17fb1bb4f3a 76
janjongboom 0:f17fb1bb4f3a 77 /* Initialize a URIBeaconConfig service providing config params, default URI, and power levels. */
janjongboom 0:f17fb1bb4f3a 78 static URIBeaconConfigService::PowerLevels_t defaultAdvPowerLevels = {-20, -4, 0, 10}; // Values for ADV packets related to firmware levels
janjongboom 0:f17fb1bb4f3a 79 uriBeaconConfig = new URIBeaconConfigService(ble, params, !fetchedFromPersistentStorage, "http://beacon1", defaultAdvPowerLevels);
janjongboom 0:f17fb1bb4f3a 80 if (!uriBeaconConfig->configuredSuccessfully()) {
janjongboom 0:f17fb1bb4f3a 81 error("failed to accommodate URI");
janjongboom 0:f17fb1bb4f3a 82 }
janjongboom 0:f17fb1bb4f3a 83 configAdvertisementTimeoutTicker.attach(timeout, CONFIG_ADVERTISEMENT_TIMEOUT_SECONDS);
janjongboom 0:f17fb1bb4f3a 84
janjongboom 0:f17fb1bb4f3a 85 // Setup auxiliary services to allow over-the-air firmware updates, etc
janjongboom 0:f17fb1bb4f3a 86 DFUService dfu(ble);
janjongboom 0:f17fb1bb4f3a 87 DeviceInformationService deviceInfo(ble, "ARM", "UriBeacon", "SN1", "hw-rev1", "fw-rev1", "soft-rev1");
janjongboom 0:f17fb1bb4f3a 88
janjongboom 0:f17fb1bb4f3a 89 ble.startAdvertising(); /* Set the whole thing in motion. After this call a GAP central can scan the URIBeaconConfig
janjongboom 0:f17fb1bb4f3a 90 * service. This can then be switched to the normal URIBeacon functionality after a timeout. */
janjongboom 0:f17fb1bb4f3a 91
janjongboom 0:f17fb1bb4f3a 92 while (true) {
janjongboom 0:f17fb1bb4f3a 93 ble.waitForEvent();
janjongboom 0:f17fb1bb4f3a 94 }
janjongboom 0:f17fb1bb4f3a 95 }