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/*
*
* Copyright (c) 2021 Project CHIP Authors
* All rights reserved.
*
* 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 "AppTask.h"
#include "LEDWidget.h"
#include <DFUManager.h>
#include <app/server/OnboardingCodesUtil.h>
#include <app/server/Dnssd.h>
#include <app/server/Server.h>
#include <credentials/DeviceAttestationCredsProvider.h>
#include <credentials/examples/DeviceAttestationCredsExample.h>
#include <lib/support/logging/CHIPLogging.h>
static LEDWidget sStatusLED(MBED_CONF_APP_SYSTEM_STATE_LED);
static bool sIsWiFiStationProvisioned = false;
static bool sIsWiFiStationEnabled = false;
static bool sIsWiFiStationConnected = false;
static bool sIsPairedToAccount = false;
static bool sHaveBLEConnections = false;
static events::EventQueue sAppEventQueue;
using namespace ::chip;
using namespace ::chip::DeviceLayer;
using namespace ::chip::Credentials;
AppTask AppTask::sAppTask;
int AppTask::Init()
{
CHIP_ERROR error;
// Register the callback to init the MDNS server when connectivity is available
PlatformMgr().AddEventHandler(
[](const ChipDeviceEvent * event, intptr_t arg) {
// Restart the server whenever an ip address is renewed
if (event->Type == DeviceEventType::kInternetConnectivityChange)
{
if (event->InternetConnectivityChange.IPv4 == kConnectivity_Established ||
event->InternetConnectivityChange.IPv6 == kConnectivity_Established)
{
chip::app::DnssdServer::Instance().StartServer();
}
}
},
0);
// Init ZCL Data Model and start server
static chip::CommonCaseDeviceServerInitParams initParams;
(void) initParams.InitializeStaticResourcesBeforeServerInit();
error = Server::GetInstance().Init(initParams);
if (error != CHIP_NO_ERROR)
{
ChipLogError(NotSpecified, "Server initialization failed: %s", error.AsString());
return EXIT_FAILURE;
}
// Initialize device attestation config
SetDeviceAttestationCredentialsProvider(Examples::GetExampleDACProvider());
ConfigurationMgr().LogDeviceConfig();
// QR code will be used with CHIP Tool
PrintOnboardingCodes(chip::RendezvousInformationFlags(chip::RendezvousInformationFlag::kBLE));
error = GetDFUManager().Init();
if (error != CHIP_NO_ERROR)
{
ChipLogError(NotSpecified, "DFU manager initialization failed: %s", error.AsString());
return EXIT_FAILURE;
}
return 0;
}
int AppTask::StartApp()
{
int ret = Init();
if (ret)
{
ChipLogError(NotSpecified, "AppTask.Init() failed");
return ret;
}
ChipLogProgress(NotSpecified, "Mbed all-clusters-app example application run");
while (true)
{
sAppEventQueue.dispatch(100);
// Collect connectivity and configuration state from the CHIP stack. Because the
// CHIP event loop is being run in a separate task, the stack must be locked
// while these values are queried. However we use a non-blocking lock request
// (TryLockChipStack()) to avoid blocking other UI activities when the CHIP
// task is busy (e.g. with a long crypto operation).
if (PlatformMgr().TryLockChipStack())
{
sIsWiFiStationProvisioned = ConnectivityMgr().IsWiFiStationProvisioned();
sIsWiFiStationEnabled = ConnectivityMgr().IsWiFiStationEnabled();
sIsWiFiStationConnected = ConnectivityMgr().IsWiFiStationConnected();
sHaveBLEConnections = (ConnectivityMgr().NumBLEConnections() != 0);
PlatformMgr().UnlockChipStack();
}
// Update the status LED
//
// If system is connected to Wi-Fi station, keep the LED On constantly.
//
// If Wi-Fi is provisioned, but not connected to Wi-Fi station yet
// THEN blink the LED Off for a short period of time.
//
// If the system has ble connection(s) uptill the stage above, THEN blink the LEDs at an even
// rate of 100ms.
//
// Otherwise, blink the LED ON for a very short time.
if (sIsWiFiStationConnected)
{
sStatusLED.Set(true);
}
else if (sIsWiFiStationProvisioned && sIsWiFiStationEnabled && sIsPairedToAccount && !sIsWiFiStationConnected)
{
sStatusLED.Blink(950, 50);
}
else if (sHaveBLEConnections)
{
sStatusLED.Blink(100, 100);
}
else
{
sStatusLED.Blink(50, 950);
}
sStatusLED.Animate();
}
}