BLE EddystoneService example
This example is a fork of the following mbed-os example:
https://developer.mbed.org/teams/mbed-os-examples/code/mbed-os-example-ble-EddystoneService/
Please read the documentation in this page.
Diff: source/main.cpp
- Revision:
- 1:9db4d46bb63f
- Parent:
- 0:4c8f8bf32a99
- Child:
- 2:9ee673e0b86a
--- a/source/main.cpp Tue Jul 26 14:40:25 2016 +0100 +++ b/source/main.cpp Thu Jul 28 23:14:36 2016 +0100 @@ -1,145 +1,145 @@ -/* 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-events/events.h> - -#include <mbed.h> -#include "ble/BLE.h" -#include "EddystoneService.h" - -#include "PersistentStorageHelper/ConfigParamsPersistence.h" - -EddystoneService *eddyServicePtr; - -/* Duration after power-on that config service is available. */ -static const int CONFIG_ADVERTISEMENT_TIMEOUT_SECONDS = 30; - -/* Default UID frame data */ -static const UIDNamespaceID_t uidNamespaceID = {0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88, 0x99}; -static const UIDInstanceID_t uidInstanceID = {0xAA, 0xBB, 0xCC, 0xDD, 0xEE, 0xFF}; - -/* Default version in TLM frame */ -static const uint8_t tlmVersion = 0x00; - -/* Values for ADV packets related to firmware levels, calibrated based on measured values at 1m */ -static const PowerLevels_t defaultAdvPowerLevels = {-47, -33, -21, -13}; -/* Values for radio power levels, provided by manufacturer. */ -static const PowerLevels_t radioPowerLevels = {-30, -16, -4, 4}; - -static EventQueue eventQueue( - /* event count */ 16 * /* event size */ 32 -); - -DigitalOut led(LED1, 1); - -/** - * Callback triggered upon a disconnection event. - */ -static void disconnectionCallback(const Gap::DisconnectionCallbackParams_t *cbParams) -{ - (void) cbParams; - BLE::Instance().gap().startAdvertising(); -} - -/** - * Callback triggered some time after application started to switch to beacon mode. - */ -static void timeout(void) -{ - Gap::GapState_t state; - state = BLE::Instance().gap().getState(); - if (!state.connected) { /* don't switch if we're in a connected state. */ - eddyServicePtr->startBeaconService(); - EddystoneService::EddystoneParams_t params; - eddyServicePtr->getEddystoneParams(params); - saveEddystoneServiceConfigParams(¶ms); - } else { - eventQueue.post_in(timeout, CONFIG_ADVERTISEMENT_TIMEOUT_SECONDS * 1000); - } -} - -static void blinky(void) -{ - led = !led; -} - -static void onBleInitError(BLE::InitializationCompleteCallbackContext* initContext) -{ - /* Initialization error handling goes here... */ - (void) initContext; -} - -static void initializeEddystoneToDefaults(BLE &ble) -{ - /* Set everything to defaults */ - eddyServicePtr = new EddystoneService(ble, defaultAdvPowerLevels, radioPowerLevels, eventQueue); - - /* Set default URL, UID and TLM frame data if not initialized through the config service */ - const char* url = YOTTA_CFG_EDDYSTONE_DEFAULT_URL; - eddyServicePtr->setURLData(url); - eddyServicePtr->setUIDData(uidNamespaceID, uidInstanceID); - eddyServicePtr->setTLMData(tlmVersion); -} - -static void bleInitComplete(BLE::InitializationCompleteCallbackContext* initContext) -{ - BLE &ble = initContext->ble; - ble_error_t error = initContext->error; - - if (error != BLE_ERROR_NONE) { - onBleInitError(initContext); - return; - } - - ble.gap().onDisconnection(disconnectionCallback); - - EddystoneService::EddystoneParams_t params; - if (loadEddystoneServiceConfigParams(¶ms)) { - eddyServicePtr = new EddystoneService(ble, params, radioPowerLevels, eventQueue); - } else { - initializeEddystoneToDefaults(ble); - } - - /* Start Eddystone in config mode */ - eddyServicePtr->startConfigService(); - - eventQueue.post_in(timeout, CONFIG_ADVERTISEMENT_TIMEOUT_SECONDS * 1000); -} - -void scheduleBleEventsProcessing(BLE::OnEventsToProcessCallbackContext* context) { - BLE &ble = BLE::Instance(); - eventQueue.post(Callback<void()>(&ble, &BLE::processEvents)); -} - - -int main() -{ - /* Tell standard C library to not allocate large buffers for these streams */ - setbuf(stdout, NULL); - setbuf(stderr, NULL); - setbuf(stdin, NULL); - - eventQueue.post_every(blinky, 500); - - BLE &ble = BLE::Instance(); - ble.onEventsToProcess(scheduleBleEventsProcessing); - ble.init(bleInitComplete); - - while (true) { - eventQueue.dispatch(); - } - return 0; -} +/* 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-events/events.h> + +#include <mbed.h> +#include "ble/BLE.h" +#include "EddystoneService.h" + +#include "PersistentStorageHelper/ConfigParamsPersistence.h" + +EddystoneService *eddyServicePtr; + +/* Duration after power-on that config service is available. */ +static const int CONFIG_ADVERTISEMENT_TIMEOUT_SECONDS = 30; + +/* Default UID frame data */ +static const UIDNamespaceID_t uidNamespaceID = {0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88, 0x99}; +static const UIDInstanceID_t uidInstanceID = {0xAA, 0xBB, 0xCC, 0xDD, 0xEE, 0xFF}; + +/* Default version in TLM frame */ +static const uint8_t tlmVersion = 0x00; + +/* Values for ADV packets related to firmware levels, calibrated based on measured values at 1m */ +static const PowerLevels_t defaultAdvPowerLevels = {-47, -33, -21, -13}; +/* Values for radio power levels, provided by manufacturer. */ +static const PowerLevels_t radioPowerLevels = {-30, -16, -4, 4}; + +static EventQueue eventQueue( + /* event count */ 16 * /* event size */ 32 +); + +DigitalOut led(LED1, 1); + +/** + * Callback triggered upon a disconnection event. + */ +static void disconnectionCallback(const Gap::DisconnectionCallbackParams_t *cbParams) +{ + (void) cbParams; + BLE::Instance().gap().startAdvertising(); +} + +/** + * Callback triggered some time after application started to switch to beacon mode. + */ +static void timeout(void) +{ + Gap::GapState_t state; + state = BLE::Instance().gap().getState(); + if (!state.connected) { /* don't switch if we're in a connected state. */ + eddyServicePtr->startBeaconService(); + EddystoneService::EddystoneParams_t params; + eddyServicePtr->getEddystoneParams(params); + saveEddystoneServiceConfigParams(¶ms); + } else { + eventQueue.post_in(CONFIG_ADVERTISEMENT_TIMEOUT_SECONDS * 1000, timeout); + } +} + +static void blinky(void) +{ + led = !led; +} + +static void onBleInitError(BLE::InitializationCompleteCallbackContext* initContext) +{ + /* Initialization error handling goes here... */ + (void) initContext; +} + +static void initializeEddystoneToDefaults(BLE &ble) +{ + /* Set everything to defaults */ + eddyServicePtr = new EddystoneService(ble, defaultAdvPowerLevels, radioPowerLevels, eventQueue); + + /* Set default URL, UID and TLM frame data if not initialized through the config service */ + const char* url = YOTTA_CFG_EDDYSTONE_DEFAULT_URL; + eddyServicePtr->setURLData(url); + eddyServicePtr->setUIDData(uidNamespaceID, uidInstanceID); + eddyServicePtr->setTLMData(tlmVersion); +} + +static void bleInitComplete(BLE::InitializationCompleteCallbackContext* initContext) +{ + BLE &ble = initContext->ble; + ble_error_t error = initContext->error; + + if (error != BLE_ERROR_NONE) { + onBleInitError(initContext); + return; + } + + ble.gap().onDisconnection(disconnectionCallback); + + EddystoneService::EddystoneParams_t params; + if (loadEddystoneServiceConfigParams(¶ms)) { + eddyServicePtr = new EddystoneService(ble, params, radioPowerLevels, eventQueue); + } else { + initializeEddystoneToDefaults(ble); + } + + /* Start Eddystone in config mode */ + eddyServicePtr->startConfigService(); + + eventQueue.post_in(CONFIG_ADVERTISEMENT_TIMEOUT_SECONDS * 1000, timeout); +} + +void scheduleBleEventsProcessing(BLE::OnEventsToProcessCallbackContext* context) { + BLE &ble = BLE::Instance(); + eventQueue.post(Callback<void()>(&ble, &BLE::processEvents)); +} + + +int main() +{ + /* Tell standard C library to not allocate large buffers for these streams */ + setbuf(stdout, NULL); + setbuf(stderr, NULL); + setbuf(stdin, NULL); + + eventQueue.post_every(500, blinky); + + BLE &ble = BLE::Instance(); + ble.onEventsToProcess(scheduleBleEventsProcessing); + ble.init(bleInitComplete); + + while (true) { + eventQueue.dispatch(); + } + return 0; +}