Mako SHIMURA / Mbed 2 deprecated mbed_EddystoneURL_Beacon_ssci

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Dependencies:   BLE_API mbed nRF51822

Fork of mbed_EddystoneURL_Beacon by Roy Want

main.cpp@2:420532c6dd54, 2015-08-19 (annotated)

Committer:
roywant
Date:
Wed Aug 19 04:41:21 2015 +0000
Revision:
2:420532c6dd54
Parent:
1:0ad7573b5918
Child:
3:159eb1a94bbb
On disconnect: a) Timer is stopped b) ADV parameters recreated c) starts advertizing. This is so that the ADV starts again right after disconnect. Before it only started after the long timeout, which makes it hard for the Validator to do its work.

Who changed what in which revision?

UserRevisionLine numberNew 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(&params);
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
roywant 1:0ad7573b5918 80 eddystoneUrlConfig= new EddystoneURLConfigService(ble, params, !fetchedFromPersistentStorage, "http://physical-web.org", 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 }