blob: 81e3e801447fe8e9c9b771a93f30d49fa9ac94a7 [file] [log] [blame]
/**
* Copyright 2017 Google Inc.
*
* 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 "thermalcontroller.hpp"
#include "util.hpp"
#include "zone.hpp"
std::unique_ptr<PIDController> ThermalController::CreateThermalPid(
ZoneInterface* owner,
const std::string& id,
std::vector<std::string>& inputs,
float setpoint,
ec::pidinfo initial)
{
// ThermalController currently only supports precisely one input.
if (inputs.size() != 1)
{
return nullptr;
}
auto thermal = std::make_unique<ThermalController>(id, inputs, owner);
ec::pid_info_t* info = thermal->get_pid_info();
thermal->set_setpoint(setpoint);
InitializePIDStruct(info, &initial);
return thermal;
}
//bmc_host_sensor_value_float
float ThermalController::input_proc(void)
{
/*
* This only supports one thermal input because it doesn't yet know how to
* handle merging them, probably max?
*/
double value = _owner->getCachedValue(_inputs.at(0));
return static_cast<float>(value);
}
// bmc_get_setpt
float ThermalController::setpt_proc(void)
{
float setpoint = get_setpoint();
/* TODO(venture): Thermal setpoint invalid? */
#if 0
if (-1 == setpoint)
{
return 0.0f;
}
else
{
return setpoint;
}
#endif
return setpoint;
}
// bmc_set_pid_output
void ThermalController::output_proc(float value)
{
_owner->addRPMSetPoint(value);
return;
}