| /* |
| * |
| * Copyright (c) 2023-2024 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 <DEMManufacturerDelegate.h> |
| #include <DeviceEnergyManagementDelegateImpl.h> |
| #include <EVSEManufacturerImpl.h> |
| #include <EnergyEvseDelegateImpl.h> |
| #include <EnergyEvseManager.h> |
| #include <EnergyTimeUtils.h> |
| |
| #include <EnergyTimeUtils.h> |
| #include <FakeReadings.h> |
| #include <app/clusters/device-energy-management-server/DeviceEnergyManagementTestEventTriggerHandler.h> |
| #include <app/clusters/electrical-energy-measurement-server/EnergyReportingTestEventTriggerHandler.h> |
| #include <app/clusters/electrical-energy-measurement-server/electrical-energy-measurement-server.h> |
| #include <app/clusters/energy-evse-server/EnergyEvseTestEventTriggerHandler.h> |
| #include <app/clusters/power-source-server/power-source-server.h> |
| #include <app/server/Server.h> |
| |
| #include <app-common/zap-generated/attributes/Accessors.h> |
| #include <protocols/interaction_model/StatusCode.h> |
| |
| using namespace chip; |
| using namespace chip::app; |
| using namespace chip::app::DataModel; |
| using namespace chip::app::Clusters; |
| using namespace chip::app::Clusters::EnergyEvse; |
| using namespace chip::app::Clusters::ElectricalPowerMeasurement; |
| using namespace chip::app::Clusters::ElectricalEnergyMeasurement; |
| using namespace chip::app::Clusters::PowerSource; |
| using namespace chip::app::Clusters::PowerSource::Attributes; |
| |
| using Protocols::InteractionModel::Status; |
| |
| CHIP_ERROR EVSEManufacturer::Init() |
| { |
| /* Manufacturers should modify this to do any custom initialisation */ |
| |
| /* Register callbacks */ |
| EnergyEvseDelegate * dg = GetEvseManufacturer()->GetEvseDelegate(); |
| if (dg == nullptr) |
| { |
| ChipLogError(AppServer, "EVSE Delegate is not initialized"); |
| return CHIP_ERROR_UNINITIALIZED; |
| } |
| |
| dg->HwRegisterEvseCallbackHandler(ApplicationCallbackHandler, reinterpret_cast<intptr_t>(this)); |
| |
| ReturnErrorOnFailure(InitializePowerMeasurementCluster()); |
| |
| ReturnErrorOnFailure(InitializePowerSourceCluster()); |
| |
| DeviceEnergyManagementDelegate * dem = GetEvseManufacturer()->GetDEMDelegate(); |
| VerifyOrReturnLogError(dem != nullptr, CHIP_ERROR_UNINITIALIZED); |
| |
| /* For Device Energy Management we need the ESA to be Online and ready to accept commands */ |
| dem->SetESAState(ESAStateEnum::kOnline); |
| dem->SetESAType(ESATypeEnum::kEvse); |
| |
| // Set the abs min and max power |
| dem->SetAbsMinPower(1200000); // 1.2KW |
| dem->SetAbsMaxPower(7600000); // 7.6KW |
| |
| /* |
| * This is an example implementation for manufacturers to consider |
| * |
| * For Manufacturer to specify the hardware capability in mA: |
| * dg->HwSetMaxHardwareCurrentLimit(32000); // 32A |
| * |
| * For Manufacturer to specify the CircuitCapacity in mA (e.g. from DIP switches) |
| * dg->HwSetCircuitCapacity(20000); // 20A |
| * |
| */ |
| |
| /* Once the system is initialised then check to see if the state was restored |
| * (e.g. after a power outage), and if the Enable timer check needs to be started |
| */ |
| dg->ScheduleCheckOnEnabledTimeout(); |
| |
| return CHIP_NO_ERROR; |
| } |
| |
| /* |
| * When the EV is plugged in, and asking for demand change the state |
| * and set the CableAssembly current limit |
| * |
| * EnergyEvseDelegate * dg = GetEvseManufacturer()->GetEvseDelegate(); |
| * VerifyOrReturnError(dg != nullptr, CHIP_ERROR_UNINITIALIZED); |
| * |
| * dg->HwSetState(StateEnum::kPluggedInDemand); |
| * dg->HwSetCableAssemblyLimit(63000); // 63A = 63000mA |
| * |
| * |
| * If the vehicle ID can be retrieved (e.g. over Powerline) |
| * dg->HwSetVehicleID(CharSpan::fromCharString("TEST_VEHICLE_123456789")); |
| * |
| * |
| * If the EVSE has an RFID sensor, the RFID value read can cause an event to be sent |
| * (e.g. can be used to indicate if a user as tried to activate the charging) |
| * |
| * uint8_t uid[10] = { 0x01, 0x23, 0x45, 0x67, 0x89, 0xAA, 0xBB, 0xCC, 0xDD, 0xEE }; |
| * dg->HwSetRFID(ByteSpan(uid)); |
| */ |
| |
| CHIP_ERROR EVSEManufacturer::Shutdown() |
| { |
| return CHIP_NO_ERROR; |
| } |
| |
| CHIP_ERROR FindNextTarget(const BitMask<EnergyEvse::TargetDayOfWeekBitmap> dayOfWeekMap, uint16_t minutesPastMidnightNow_m, |
| uint16_t & targetTimeMinutesPastMidnight_m, DataModel::Nullable<Percent> & targetSoC, |
| DataModel::Nullable<int64_t> & addedEnergy_mWh, bool bAllowTargetsInPast) |
| { |
| EnergyEvse::Structs::ChargingTargetScheduleStruct::Type entry; |
| |
| uint16_t minTimeToTarget_m = 24 * 60; // 24 hours |
| bool bFound = false; |
| |
| EVSEManufacturer * mn = GetEvseManufacturer(); |
| VerifyOrReturnError(mn != nullptr, CHIP_ERROR_UNINITIALIZED); |
| |
| EnergyEvseDelegate * dg = mn->GetEvseDelegate(); |
| VerifyOrReturnError(dg != nullptr, CHIP_ERROR_UNINITIALIZED); |
| |
| const DataModel::List<const EnergyEvse::Structs::ChargingTargetScheduleStruct::Type> & chargingTargetSchedules = |
| dg->GetEvseTargetsDelegate()->GetTargets(); |
| for (auto & chargingTargetScheduleEntry : chargingTargetSchedules) |
| { |
| if (chargingTargetScheduleEntry.dayOfWeekForSequence.HasAny(dayOfWeekMap)) |
| { |
| // We've found today's schedule - iterate through the targets on this day |
| for (auto & chargingTarget : chargingTargetScheduleEntry.chargingTargets) |
| { |
| if ((chargingTarget.targetTimeMinutesPastMidnight < minutesPastMidnightNow_m) && (bAllowTargetsInPast == false)) |
| { |
| // This target is in the past so move to the next if there is one |
| continue; |
| } |
| |
| if (chargingTarget.targetTimeMinutesPastMidnight < minTimeToTarget_m) |
| { |
| // This is the earliest target found in the day's targets so far |
| bFound = true; |
| minTimeToTarget_m = chargingTarget.targetTimeMinutesPastMidnight; |
| |
| targetTimeMinutesPastMidnight_m = chargingTarget.targetTimeMinutesPastMidnight; |
| |
| if (chargingTarget.targetSoC.HasValue()) |
| { |
| targetSoC.SetNonNull(chargingTarget.targetSoC.Value()); |
| } |
| else |
| { |
| targetSoC.SetNull(); |
| } |
| |
| if (chargingTarget.addedEnergy.HasValue()) |
| { |
| addedEnergy_mWh.SetNonNull(chargingTarget.addedEnergy.Value()); |
| } |
| else |
| { |
| addedEnergy_mWh.SetNull(); |
| } |
| } |
| } |
| } |
| |
| if (bFound) |
| { |
| // Skip the rest of the search |
| break; |
| } |
| } |
| |
| return bFound ? CHIP_NO_ERROR : CHIP_ERROR_NOT_FOUND; |
| } |
| |
| /** |
| * @brief Simple example to demonstrate how an EVSE can compute the start time |
| * and duration of a charging schedule |
| */ |
| CHIP_ERROR EVSEManufacturer::ComputeChargingSchedule() |
| { |
| CHIP_ERROR err; |
| EVSEManufacturer * mn = GetEvseManufacturer(); |
| VerifyOrReturnError(mn != nullptr, CHIP_ERROR_UNINITIALIZED); |
| |
| EnergyEvseDelegate * dg = mn->GetEvseDelegate(); |
| VerifyOrReturnError(dg != nullptr, CHIP_ERROR_UNINITIALIZED); |
| |
| BitMask<EnergyEvse::TargetDayOfWeekBitmap> dayOfWeekMap = 0; |
| ReturnErrorOnFailure(GetLocalDayOfWeekNow(dayOfWeekMap)); |
| |
| uint16_t minutesPastMidnightNow_m = 0; |
| ReturnErrorOnFailure(GetMinutesPastMidnight(minutesPastMidnightNow_m)); |
| |
| uint32_t now_epoch_s = 0; |
| ReturnErrorOnFailure(GetEpochTS(now_epoch_s)); |
| |
| DataModel::Nullable<uint32_t> startTime_epoch_s; |
| DataModel::Nullable<uint32_t> targetTime_epoch_s; |
| DataModel::Nullable<Percent> targetSoC; |
| DataModel::Nullable<int64_t> addedEnergy_mWh; |
| |
| uint32_t power_W; |
| uint32_t chargingDuration_s; |
| uint32_t tempTargetTime_epoch_s; |
| uint32_t tempStartTime_epoch_s; |
| uint16_t targetTimeMinutesPastMidnight_m; |
| |
| // Initialise the values to Null - if the FindNextTarget finds one, then it will update the value |
| targetTime_epoch_s.SetNull(); |
| targetSoC.SetNull(); |
| addedEnergy_mWh.SetNull(); |
| startTime_epoch_s.SetNull(); // If we FindNextTarget this will be computed below and set to a non null value |
| |
| /* We can only compute charging schedules if the EV is plugged in and the charging is enabled |
| * so we know the charging current - i.e. can get the max power, and therefore can calculate |
| * the charging duration and hence start time |
| */ |
| if (dg->IsEvsePluggedIn() && dg->GetSupplyState() == SupplyStateEnum::kChargingEnabled) |
| { |
| uint8_t searchDay = 0; |
| while (searchDay < 2) |
| { |
| err = FindNextTarget(dayOfWeekMap, minutesPastMidnightNow_m, targetTimeMinutesPastMidnight_m, targetSoC, |
| addedEnergy_mWh, (searchDay != 0)); |
| if (err == CHIP_ERROR_NOT_FOUND) |
| { |
| // We didn't find one for today, try tomorrow |
| searchDay++; |
| dayOfWeekMap = BitMask<EnergyEvse::TargetDayOfWeekBitmap>((dayOfWeekMap.Raw() << 1) & kAllTargetDaysMask); |
| |
| if (!dayOfWeekMap.HasAny()) |
| { |
| // Must be Saturday and shifted off, so set it to Sunday |
| dayOfWeekMap = BitMask<EnergyEvse::TargetDayOfWeekBitmap>(TargetDayOfWeekBitmap::kSunday); |
| } |
| } |
| else |
| { |
| break; // We found a target or we error'd out for some other reason |
| } |
| } |
| |
| if (err == CHIP_NO_ERROR) |
| { |
| /* Set the target Time in epoch_s format*/ |
| tempTargetTime_epoch_s = |
| ((now_epoch_s / 60) + targetTimeMinutesPastMidnight_m + (searchDay * 1440) - minutesPastMidnightNow_m) * 60; |
| targetTime_epoch_s.SetNonNull(tempTargetTime_epoch_s); |
| |
| if (!targetSoC.IsNull()) |
| { |
| if (targetSoC.Value() != 100) |
| { |
| ChipLogError(AppServer, "EVSE WARNING: TargetSoC is not 100%% and we don't know the EV SoC!"); |
| } |
| // We don't know the Vehicle SoC so we must charge now |
| // TODO make this use the SoC featureMap to determine if this is an error |
| startTime_epoch_s.SetNonNull(now_epoch_s); |
| } |
| else |
| { |
| // We expect to use AddedEnergy to determine the charging start time |
| if (addedEnergy_mWh.IsNull()) |
| { |
| ChipLogError(AppServer, "EVSE ERROR: Neither TargetSoC or AddedEnergy has been provided"); |
| return CHIP_ERROR_INTERNAL; |
| } |
| // Simple optimizer - assume a flat tariff throughout the day |
| // Compute power from nominal voltage and maxChargingRate |
| // GetMaximumChargeCurrent returns mA, but to help avoid overflow |
| // We use V (not mV) and compute power to the nearest Watt |
| power_W = static_cast<uint32_t>((230 * dg->GetMaximumChargeCurrent()) / |
| 1000); // TODO don't use 230V - not all markets will use that |
| if (power_W == 0) |
| { |
| ChipLogError(AppServer, "EVSE Error: MaxCurrent = 0Amp - Can't schedule charging"); |
| return CHIP_ERROR_INTERNAL; |
| } |
| |
| // Time to charge(seconds) = (3600 * Energy(mWh) / Power(W)) / 1000 |
| // to avoid using floats we multiply by 36 and then divide by 10 (instead of x3600 and dividing by 1000) |
| chargingDuration_s = static_cast<uint32_t>(((addedEnergy_mWh.Value() / power_W) * 36) / 10); |
| |
| // Add in 15 minutes leeway to account for slow starting vehicles |
| // that need to condition the battery or if it is cold etc |
| chargingDuration_s += (15 * 60); |
| |
| // A price optimizer can look for cheapest time of day |
| // However for now we'll start charging as late as possible |
| tempStartTime_epoch_s = tempTargetTime_epoch_s - chargingDuration_s; |
| |
| if (tempStartTime_epoch_s < now_epoch_s) |
| { |
| // we need to turn on the EVSE now - it won't have enough time to reach the target |
| startTime_epoch_s.SetNonNull(now_epoch_s); |
| // TODO call function to turn on the EV |
| } |
| else |
| { |
| // we turn off the EVSE for now |
| startTime_epoch_s.SetNonNull(tempStartTime_epoch_s); |
| // TODO have a periodic timer which checks if we should turn on the charger now |
| } |
| } |
| } |
| } |
| |
| // Update the attributes to allow a UI to inform the user |
| dg->SetNextChargeStartTime(startTime_epoch_s); |
| dg->SetNextChargeTargetTime(targetTime_epoch_s); |
| dg->SetNextChargeRequiredEnergy(addedEnergy_mWh); |
| dg->SetNextChargeTargetSoC(targetSoC); |
| |
| return err; |
| } |
| |
| /** |
| * @brief Allows a client application to initialise the Accuracy, Measurement types etc |
| */ |
| CHIP_ERROR EVSEManufacturer::InitializePowerMeasurementCluster() |
| { |
| EVSEManufacturer * mn = GetEvseManufacturer(); |
| VerifyOrReturnError(mn != nullptr, CHIP_ERROR_UNINITIALIZED); |
| |
| ElectricalPowerMeasurementDelegate * dg = mn->GetEPMDelegate(); |
| VerifyOrReturnError(dg != nullptr, CHIP_ERROR_UNINITIALIZED); |
| |
| ReturnErrorOnFailure(dg->SetPowerMode(PowerModeEnum::kAc)); |
| |
| return CHIP_NO_ERROR; |
| } |
| |
| /** |
| * @brief Allows a client application to initialise the PowerSource cluster |
| */ |
| CHIP_ERROR EVSEManufacturer::InitializePowerSourceCluster() |
| { |
| Protocols::InteractionModel::Status status; |
| |
| status = PowerSource::Attributes::Status::Set(EndpointId(0) /*RootNode*/, PowerSourceStatusEnum::kActive); |
| VerifyOrReturnError(status == Protocols::InteractionModel::Status::Success, CHIP_ERROR_INTERNAL); |
| status = |
| PowerSource::Attributes::FeatureMap::Set(EndpointId(0 /*RootNode*/), static_cast<uint32_t>(PowerSource::Feature::kWired)); |
| VerifyOrReturnError(status == Protocols::InteractionModel::Status::Success, CHIP_ERROR_INTERNAL); |
| status = PowerSource::Attributes::WiredNominalVoltage::Set(EndpointId(0 /*RootNode*/), 230'000); // 230V in mv |
| VerifyOrReturnError(status == Protocols::InteractionModel::Status::Success, CHIP_ERROR_INTERNAL); |
| status = PowerSource::Attributes::WiredMaximumCurrent::Set(EndpointId(0 /*RootNode*/), 32'000); // 32A in mA |
| VerifyOrReturnError(status == Protocols::InteractionModel::Status::Success, CHIP_ERROR_INTERNAL); |
| |
| status = PowerSource::Attributes::WiredCurrentType::Set(EndpointId(0 /*RootNode*/), PowerSource::WiredCurrentTypeEnum::kAc); |
| VerifyOrReturnError(status == Protocols::InteractionModel::Status::Success, CHIP_ERROR_INTERNAL); |
| status = PowerSource::Attributes::Description::Set(EndpointId(0 /*RootNode*/), CharSpan::fromCharString("Primary Mains Power")); |
| VerifyOrReturnError(status == Protocols::InteractionModel::Status::Success, CHIP_ERROR_INTERNAL); |
| |
| chip::EndpointId endpointArray[] = { 1 /* EVSE Endpoint */ }; |
| Span<EndpointId> endpointList = Span<EndpointId>(endpointArray); |
| |
| // Note per API - we do not need to maintain the span after the SetEndpointList has been called |
| // since it takes a copy (see power-source-server.cpp) |
| PowerSourceServer::Instance().SetEndpointList(0 /* Root Node */, endpointList); |
| |
| return CHIP_NO_ERROR; |
| } |
| |
| /** |
| * @brief Allows a client application to send in power readings into the system |
| * |
| * @param[in] aEndpointId - Endpoint to send to EPM Cluster |
| * @param[in] aActivePower_mW - ActivePower measured in milli-watts |
| * @param[in] aVoltage_mV - Voltage measured in milli-volts |
| * @param[in] aActiveCurrent_mA - ActiveCurrent measured in milli-amps |
| */ |
| CHIP_ERROR EVSEManufacturer::SendPowerReading(EndpointId aEndpointId, int64_t aActivePower_mW, int64_t aVoltage_mV, |
| int64_t aActiveCurrent_mA) |
| { |
| EVSEManufacturer * mn = GetEvseManufacturer(); |
| VerifyOrReturnError(mn != nullptr, CHIP_ERROR_UNINITIALIZED); |
| |
| ElectricalPowerMeasurementDelegate * dg = mn->GetEPMDelegate(); |
| VerifyOrReturnError(dg != nullptr, CHIP_ERROR_UNINITIALIZED); |
| |
| dg->SetActivePower(MakeNullable(aActivePower_mW)); |
| dg->SetVoltage(MakeNullable(aVoltage_mV)); |
| dg->SetActiveCurrent(MakeNullable(aActiveCurrent_mA)); |
| |
| return CHIP_NO_ERROR; |
| } |
| |
| using namespace chip::app::Clusters::ElectricalEnergyMeasurement::Structs; |
| |
| /** |
| * @brief Allows a client application to send cumulative energy readings into the system |
| * |
| * This is a helper function to add timestamps to the readings |
| * |
| * @param[in] aCumulativeEnergyImported -total energy imported in milli-watthours |
| * @param[in] aCumulativeEnergyExported -total energy exported in milli-watthours |
| */ |
| CHIP_ERROR EVSEManufacturer::SendCumulativeEnergyReading(EndpointId aEndpointId, int64_t aCumulativeEnergyImported, |
| int64_t aCumulativeEnergyExported) |
| { |
| MeasurementData * data = MeasurementDataForEndpoint(aEndpointId); |
| VerifyOrReturnError(data != nullptr, CHIP_ERROR_UNINITIALIZED); |
| |
| EnergyMeasurementStruct::Type energyImported; |
| EnergyMeasurementStruct::Type energyExported; |
| |
| /** IMPORT */ |
| // Copy last endTimestamp into new startTimestamp if it exists |
| energyImported.startTimestamp.ClearValue(); |
| energyImported.startSystime.ClearValue(); |
| if (data->cumulativeImported.HasValue()) |
| { |
| energyImported.startTimestamp = data->cumulativeImported.Value().endTimestamp; |
| energyImported.startSystime = data->cumulativeImported.Value().endSystime; |
| } |
| |
| energyImported.energy = aCumulativeEnergyImported; |
| |
| /** EXPORT */ |
| // Copy last endTimestamp into new startTimestamp if it exists |
| energyExported.startTimestamp.ClearValue(); |
| energyExported.startSystime.ClearValue(); |
| if (data->cumulativeExported.HasValue()) |
| { |
| energyExported.startTimestamp = data->cumulativeExported.Value().endTimestamp; |
| energyExported.startSystime = data->cumulativeExported.Value().endSystime; |
| } |
| |
| energyExported.energy = aCumulativeEnergyExported; |
| |
| // Get current timestamp |
| uint32_t currentTimestamp; |
| CHIP_ERROR err = GetEpochTS(currentTimestamp); |
| if (err == CHIP_NO_ERROR) |
| { |
| // use EpochTS |
| energyImported.endTimestamp.SetValue(currentTimestamp); |
| energyExported.endTimestamp.SetValue(currentTimestamp); |
| } |
| else |
| { |
| ChipLogError(AppServer, "GetEpochTS returned error getting timestamp %" CHIP_ERROR_FORMAT, err.Format()); |
| |
| // use systemTime as a fallback |
| System::Clock::Milliseconds64 system_time_ms = |
| std::chrono::duration_cast<System::Clock::Milliseconds64>(chip::Server::GetInstance().TimeSinceInit()); |
| uint64_t nowMS = static_cast<uint64_t>(system_time_ms.count()); |
| |
| energyImported.endSystime.SetValue(nowMS); |
| energyExported.endSystime.SetValue(nowMS); |
| } |
| |
| // call the SDK to update attributes and generate an event |
| if (!NotifyCumulativeEnergyMeasured(aEndpointId, MakeOptional(energyImported), MakeOptional(energyExported))) |
| { |
| ChipLogError(AppServer, "Failed to notify Cumulative Energy reading."); |
| return CHIP_ERROR_INTERNAL; |
| } |
| |
| return CHIP_NO_ERROR; |
| } |
| |
| /** |
| * @brief Allows a client application to send periodic energy readings into the system |
| * |
| * This is a helper function to add timestamps to the readings |
| * |
| * @param[in] aPeriodicEnergyImported - energy imported in milli-watthours in last period |
| * @param[in] aPeriodicEnergyExported - energy exported in milli-watthours in last period |
| */ |
| CHIP_ERROR EVSEManufacturer::SendPeriodicEnergyReading(EndpointId aEndpointId, int64_t aPeriodicEnergyImported, |
| int64_t aPeriodicEnergyExported) |
| { |
| MeasurementData * data = MeasurementDataForEndpoint(aEndpointId); |
| VerifyOrReturnError(data != nullptr, CHIP_ERROR_UNINITIALIZED); |
| |
| EnergyMeasurementStruct::Type energyImported; |
| EnergyMeasurementStruct::Type energyExported; |
| |
| /** IMPORT */ |
| // Copy last endTimestamp into new startTimestamp if it exists |
| energyImported.startTimestamp.ClearValue(); |
| energyImported.startSystime.ClearValue(); |
| if (data->periodicImported.HasValue()) |
| { |
| energyImported.startTimestamp = data->periodicImported.Value().endTimestamp; |
| energyImported.startSystime = data->periodicImported.Value().endSystime; |
| } |
| |
| energyImported.energy = aPeriodicEnergyImported; |
| |
| /** EXPORT */ |
| // Copy last endTimestamp into new startTimestamp if it exists |
| energyExported.startTimestamp.ClearValue(); |
| energyExported.startSystime.ClearValue(); |
| if (data->periodicExported.HasValue()) |
| { |
| energyExported.startTimestamp = data->periodicExported.Value().endTimestamp; |
| energyExported.startSystime = data->periodicExported.Value().endSystime; |
| } |
| |
| energyExported.energy = aPeriodicEnergyExported; |
| |
| // Get current timestamp |
| uint32_t currentTimestamp; |
| CHIP_ERROR err = GetEpochTS(currentTimestamp); |
| if (err == CHIP_NO_ERROR) |
| { |
| // use EpochTS |
| energyImported.endTimestamp.SetValue(currentTimestamp); |
| energyExported.endTimestamp.SetValue(currentTimestamp); |
| } |
| else |
| { |
| ChipLogError(AppServer, "GetEpochTS returned error getting timestamp"); |
| |
| // use systemTime as a fallback |
| System::Clock::Milliseconds64 system_time_ms = |
| std::chrono::duration_cast<System::Clock::Milliseconds64>(chip::Server::GetInstance().TimeSinceInit()); |
| uint64_t nowMS = static_cast<uint64_t>(system_time_ms.count()); |
| |
| energyImported.endSystime.SetValue(nowMS); |
| energyExported.endSystime.SetValue(nowMS); |
| } |
| |
| // call the SDK to update attributes and generate an event |
| if (!NotifyPeriodicEnergyMeasured(aEndpointId, MakeOptional(energyImported), MakeOptional(energyExported))) |
| { |
| ChipLogError(AppServer, "Failed to notify Cumulative Energy reading."); |
| return CHIP_ERROR_INTERNAL; |
| } |
| |
| return CHIP_NO_ERROR; |
| } |
| |
| void EVSEManufacturer::UpdateEVFakeReadings(const Amperage_mA maximumChargeCurrent) |
| { |
| FakeReadings::GetInstance().SetCurrent(maximumChargeCurrent); |
| // Note we have to divide by 1000 to make ma * mv = mW |
| FakeReadings::GetInstance().SetPower((FakeReadings::GetInstance().GetVoltage() * maximumChargeCurrent) / 1000); |
| } |
| |
| /** |
| * @brief Main Callback handler - to be implemented by Manufacturer |
| * |
| * @param EVSECbInfo describes the type of call back, and a union of structs |
| * which contain relevant info for the specific callback type |
| * |
| * @param arg - optional pointer to some context information (see register function) |
| */ |
| void EVSEManufacturer::ApplicationCallbackHandler(const EVSECbInfo * cb, intptr_t arg) |
| { |
| EVSEManufacturer * pClass = reinterpret_cast<EVSEManufacturer *>(arg); |
| |
| switch (cb->type) |
| { |
| case EVSECallbackType::StateChanged: |
| ChipLogProgress(AppServer, "EVSE callback - state changed"); |
| pClass->ComputeChargingSchedule(); |
| break; |
| case EVSECallbackType::ChargeCurrentChanged: |
| ChipLogProgress(AppServer, "EVSE callback - maxChargeCurrent changed to %ld", |
| static_cast<long>(cb->ChargingCurrent.maximumChargeCurrent)); |
| pClass->ComputeChargingSchedule(); |
| pClass->UpdateEVFakeReadings(cb->ChargingCurrent.maximumChargeCurrent); |
| break; |
| case EVSECallbackType::EnergyMeterReadingRequested: |
| ChipLogProgress(AppServer, "EVSE callback - EnergyMeterReadingRequested"); |
| if (cb->EnergyMeterReadingRequest.meterType == ChargingDischargingType::kCharging) |
| { |
| *(cb->EnergyMeterReadingRequest.energyMeterValuePtr) = pClass->mLastChargingEnergyMeter; |
| } |
| else |
| { |
| *(cb->EnergyMeterReadingRequest.energyMeterValuePtr) = pClass->mLastDischargingEnergyMeter; |
| } |
| break; |
| |
| case EVSECallbackType::ChargingPreferencesChanged: |
| ChipLogProgress(AppServer, "EVSE callback - ChargingPreferencesChanged"); |
| pClass->ComputeChargingSchedule(); |
| break; |
| |
| default: |
| ChipLogError(AppServer, "Unhandled EVSE Callback type %d", static_cast<int>(cb->type)); |
| } |
| } |
| |
| // The PowerAdjustEnd event needs to report the approximate energy used by the ESA during the session. |
| int64_t EVSEManufacturer::GetApproxEnergyDuringSession() |
| { |
| return 300; |
| } |
| |
| CHIP_ERROR EVSEManufacturer::HandleDeviceEnergyManagementPowerAdjustRequest(const int64_t powerMw, const uint32_t durationS, |
| AdjustmentCauseEnum cause) |
| { |
| return CHIP_NO_ERROR; |
| } |
| |
| CHIP_ERROR EVSEManufacturer::HandleDeviceEnergyManagementPowerAdjustCompletion() |
| { |
| return CHIP_NO_ERROR; |
| } |
| |
| CHIP_ERROR EVSEManufacturer::HandleDeviceEnergyManagementCancelPowerAdjustRequest(CauseEnum cause) |
| { |
| return CHIP_NO_ERROR; |
| } |
| |
| CHIP_ERROR EVSEManufacturer::HandleDeviceEnergyManagementStartTimeAdjustRequest(const uint32_t requestedStartTimeUtc, |
| AdjustmentCauseEnum cause) |
| { |
| return CHIP_NO_ERROR; |
| } |
| |
| CHIP_ERROR EVSEManufacturer::HandleDeviceEnergyManagementPauseRequest(const uint32_t durationS, AdjustmentCauseEnum cause) |
| { |
| return CHIP_NO_ERROR; |
| } |
| |
| CHIP_ERROR EVSEManufacturer::HandleDeviceEnergyManagementCancelPauseRequest(CauseEnum cause) |
| { |
| return CHIP_NO_ERROR; |
| } |
| |
| CHIP_ERROR EVSEManufacturer::HandleDeviceEnergyManagementPauseCompletion() |
| { |
| return CHIP_NO_ERROR; |
| } |
| |
| CHIP_ERROR EVSEManufacturer::HandleDeviceEnergyManagementCancelRequest() |
| { |
| return CHIP_NO_ERROR; |
| } |
| |
| CHIP_ERROR EVSEManufacturer::HandleModifyForecastRequest( |
| const uint32_t forecastID, |
| const DataModel::DecodableList<DeviceEnergyManagement::Structs::SlotAdjustmentStruct::DecodableType> & slotAdjustments, |
| AdjustmentCauseEnum cause) |
| { |
| return CHIP_NO_ERROR; |
| } |
| |
| CHIP_ERROR EVSEManufacturer::RequestConstraintBasedForecast( |
| const DataModel::DecodableList<DeviceEnergyManagement::Structs::ConstraintsStruct::DecodableType> & constraints, |
| AdjustmentCauseEnum cause) |
| { |
| return CHIP_NO_ERROR; |
| } |
