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Dependencies: BLE_API mbed nRF51822
Fork of mbed_EddystoneURL_Beacon by
main.cpp@3:159eb1a94bbb, 2016-02-24 (annotated)
- Committer:
- asagin
- Date:
- Wed Feb 24 09:08:53 2016 +0000
- Revision:
- 3:159eb1a94bbb
- Parent:
- 2:420532c6dd54
pulished
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
roywant | 0:094734b4e8bd | 1 | /* mbed Microcontroller Library |
roywant | 0:094734b4e8bd | 2 | * Copyright (c) 2006-2013 ARM Limited |
roywant | 0:094734b4e8bd | 3 | * |
roywant | 0:094734b4e8bd | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
roywant | 0:094734b4e8bd | 5 | * you may not use this file except in compliance with the License. |
roywant | 0:094734b4e8bd | 6 | * You may obtain a copy of the License at |
roywant | 0:094734b4e8bd | 7 | * |
roywant | 0:094734b4e8bd | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
roywant | 0:094734b4e8bd | 9 | * |
roywant | 0:094734b4e8bd | 10 | * Unless required by applicable law or agreed to in writing, software |
roywant | 0:094734b4e8bd | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
roywant | 0:094734b4e8bd | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
roywant | 0:094734b4e8bd | 13 | * See the License for the specific language governing permissions and |
roywant | 0:094734b4e8bd | 14 | * limitations under the License. |
roywant | 0:094734b4e8bd | 15 | */ |
roywant | 0:094734b4e8bd | 16 | |
roywant | 0:094734b4e8bd | 17 | #include "mbed.h" |
roywant | 0:094734b4e8bd | 18 | #include "ble/BLE.h" |
roywant | 1:0ad7573b5918 | 19 | #include "ble/services/EddystoneURLConfigService.h" |
roywant | 0:094734b4e8bd | 20 | #include "ble/services/DFUService.h" |
roywant | 0:094734b4e8bd | 21 | #include "ble/services/DeviceInformationService.h" |
roywant | 0:094734b4e8bd | 22 | #include "ConfigParamsPersistence.h" |
roywant | 0:094734b4e8bd | 23 | |
roywant | 0:094734b4e8bd | 24 | BLE ble; |
roywant | 1:0ad7573b5918 | 25 | EddystoneURLConfigService *eddystoneUrlConfig; |
roywant | 0:094734b4e8bd | 26 | |
roywant | 0:094734b4e8bd | 27 | /** |
roywant | 1:0ad7573b5918 | 28 | * Eddystone-URL beacons can operate in two modes: a configuration mode which |
roywant | 1:0ad7573b5918 | 29 | * allows a user to update settings over a connection; and normal Eddystone URL Beacon mode |
roywant | 1:0ad7573b5918 | 30 | * which involves advertising a URI. Constructing an object from the EddystoneURLConfigService |
roywant | 1:0ad7573b5918 | 31 | * sets up advertisements for the configuration mode. It is then up to |
roywant | 1:0ad7573b5918 | 32 | * the application to switch to the Eddystone-URL beacon mode based on some timeout. |
roywant | 0:094734b4e8bd | 33 | * |
roywant | 0:094734b4e8bd | 34 | * The following help with this switch. |
roywant | 0:094734b4e8bd | 35 | */ |
roywant | 2:420532c6dd54 | 36 | static const int CONFIG_ADVERTISEMENT_TIMEOUT_SECONDS = 30; // Duration after power-on that config service is available. |
roywant | 0:094734b4e8bd | 37 | Ticker configAdvertisementTimeoutTicker; |
roywant | 0:094734b4e8bd | 38 | |
roywant | 0:094734b4e8bd | 39 | /** |
roywant | 1:0ad7573b5918 | 40 | * Stop advertising the Eddystone URL Config Service after a delay; and switch to normal Eddystone-URL advertisements. |
roywant | 0:094734b4e8bd | 41 | */ |
roywant | 0:094734b4e8bd | 42 | void timeout(void) |
roywant | 0:094734b4e8bd | 43 | { |
roywant | 0:094734b4e8bd | 44 | Gap::GapState_t state; |
roywant | 0:094734b4e8bd | 45 | state = ble.getGapState(); |
roywant | 0:094734b4e8bd | 46 | if (!state.connected) { /* don't switch if we're in a connected state. */ |
roywant | 2:420532c6dd54 | 47 | configAdvertisementTimeoutTicker.detach(); /* disable the callback from the timeout Ticker. */ |
roywant | 1:0ad7573b5918 | 48 | eddystoneUrlConfig->setupEddystoneURLAdvertisements(); |
roywant | 0:094734b4e8bd | 49 | ble.startAdvertising(); |
roywant | 0:094734b4e8bd | 50 | } |
roywant | 0:094734b4e8bd | 51 | } |
roywant | 0:094734b4e8bd | 52 | |
roywant | 0:094734b4e8bd | 53 | /** |
roywant | 0:094734b4e8bd | 54 | * Callback triggered upon a disconnection event. Needs to re-enable advertisements. |
roywant | 0:094734b4e8bd | 55 | */ |
roywant | 0:094734b4e8bd | 56 | void disconnectionCallback(Gap::Handle_t handle, Gap::DisconnectionReason_t reason) |
roywant | 0:094734b4e8bd | 57 | { |
roywant | 2:420532c6dd54 | 58 | configAdvertisementTimeoutTicker.detach(); /* disable the callback from the timeout Ticker. */ |
roywant | 2:420532c6dd54 | 59 | eddystoneUrlConfig->setupEddystoneURLAdvertisements(); |
roywant | 0:094734b4e8bd | 60 | ble.startAdvertising(); |
roywant | 0:094734b4e8bd | 61 | } |
roywant | 0:094734b4e8bd | 62 | |
roywant | 0:094734b4e8bd | 63 | int main(void) |
roywant | 0:094734b4e8bd | 64 | { |
roywant | 0:094734b4e8bd | 65 | ble.init(); |
roywant | 0:094734b4e8bd | 66 | ble.onDisconnection(disconnectionCallback); |
roywant | 0:094734b4e8bd | 67 | |
roywant | 0:094734b4e8bd | 68 | /* |
roywant | 0:094734b4e8bd | 69 | * Load parameters from (platform specific) persistent storage. Parameters |
roywant | 1:0ad7573b5918 | 70 | * can be set to non-default values while the Eddystone-URL beacon is in configuration |
roywant | 0:094734b4e8bd | 71 | * mode (within the first 60 seconds of power-up). Thereafter, parameters |
roywant | 1:0ad7573b5918 | 72 | * get copied out to persistent storage before switching to normal EddystoneURL |
roywant | 0:094734b4e8bd | 73 | * operation. |
roywant | 0:094734b4e8bd | 74 | */ |
roywant | 1:0ad7573b5918 | 75 | EddystoneURLConfigService::Params_t params; |
roywant | 1:0ad7573b5918 | 76 | bool fetchedFromPersistentStorage = loadEddystoneURLConfigParams(¶ms); |
roywant | 0:094734b4e8bd | 77 | |
roywant | 1:0ad7573b5918 | 78 | /* Initialize a Eddystone URL Config service providing config params, default URI, and power levels. */ |
roywant | 1:0ad7573b5918 | 79 | static EddystoneURLConfigService::PowerLevels_t defaultAdvPowerLevels = {-20, -4, 0, 10}; // Values for ADV packets related to firmware levels |
asagin | 3:159eb1a94bbb | 80 | eddystoneUrlConfig= new EddystoneURLConfigService(ble, params, !fetchedFromPersistentStorage, "http://ssci.to", defaultAdvPowerLevels); |
roywant | 1:0ad7573b5918 | 81 | if (!eddystoneUrlConfig->configuredSuccessfully()) { |
roywant | 0:094734b4e8bd | 82 | error("failed to accommodate URI"); |
roywant | 0:094734b4e8bd | 83 | } |
roywant | 0:094734b4e8bd | 84 | configAdvertisementTimeoutTicker.attach(timeout, CONFIG_ADVERTISEMENT_TIMEOUT_SECONDS); |
roywant | 0:094734b4e8bd | 85 | |
roywant | 0:094734b4e8bd | 86 | // Setup auxiliary services to allow over-the-air firmware updates, etc |
roywant | 0:094734b4e8bd | 87 | DFUService dfu(ble); |
roywant | 1:0ad7573b5918 | 88 | DeviceInformationService deviceInfo(ble, "ARM", "Eddystone-URL", "SN1", "hw-rev1", "fw-rev1", "soft-rev1"); |
roywant | 0:094734b4e8bd | 89 | |
roywant | 1:0ad7573b5918 | 90 | ble.startAdvertising(); /* Set the whole thing in motion. After this call a GAP central can scan the EddystoneURLConfig |
roywant | 1:0ad7573b5918 | 91 | * service. This can then be switched to the normal Eddystone-URL beacon functionality after a timeout. */ |
roywant | 0:094734b4e8bd | 92 | |
roywant | 0:094734b4e8bd | 93 | while (true) { |
roywant | 0:094734b4e8bd | 94 | ble.waitForEvent(); |
roywant | 0:094734b4e8bd | 95 | } |
roywant | 0:094734b4e8bd | 96 | } |