jan
Dependencies: BLE_API mbed nRF51822
main.cpp@0:f17fb1bb4f3a, 2015-11-14 (annotated)
- Committer:
- janjongboom
- Date:
- Sat Nov 14 09:39:14 2015 +0000
- Revision:
- 0:f17fb1bb4f3a
jan
Who changed what in which revision?
User | Revision | Line number | New contents of line |
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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(¶ms); |
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 | } |