Patrick Venture | d801218 | 2018-03-08 08:21:38 -0800 | [diff] [blame] | 1 | /** |
| 2 | * Copyright 2017 Google Inc. |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | #include "thermalcontroller.hpp" |
Patrick Venture | da4a5dd | 2018-08-31 09:42:48 -0700 | [diff] [blame] | 18 | |
James Feist | 734f953 | 2018-11-15 12:13:18 -0800 | [diff] [blame] | 19 | #include "errors/exception.hpp" |
Patrick Venture | d801218 | 2018-03-08 08:21:38 -0800 | [diff] [blame] | 20 | #include "util.hpp" |
| 21 | #include "zone.hpp" |
| 22 | |
Patrick Venture | 563a356 | 2018-10-30 09:31:26 -0700 | [diff] [blame] | 23 | std::unique_ptr<PIDController> ThermalController::createThermalPid( |
Patrick Venture | da4a5dd | 2018-08-31 09:42:48 -0700 | [diff] [blame] | 24 | ZoneInterface* owner, const std::string& id, |
Patrick Venture | 5f59c0f | 2018-11-11 12:55:14 -0800 | [diff] [blame] | 25 | const std::vector<std::string>& inputs, double setpoint, |
James Feist | 734f953 | 2018-11-15 12:13:18 -0800 | [diff] [blame] | 26 | const ec::pidinfo& initial, const ThermalType& type) |
Patrick Venture | d801218 | 2018-03-08 08:21:38 -0800 | [diff] [blame] | 27 | { |
James Feist | 734f953 | 2018-11-15 12:13:18 -0800 | [diff] [blame] | 28 | // ThermalController requires at least 1 input |
| 29 | if (inputs.empty()) |
Patrick Venture | 3349ef2 | 2018-06-12 14:09:29 -0700 | [diff] [blame] | 30 | { |
James Feist | 734f953 | 2018-11-15 12:13:18 -0800 | [diff] [blame] | 31 | throw ControllerBuildException("Thermal controller missing inputs"); |
Patrick Venture | 3349ef2 | 2018-06-12 14:09:29 -0700 | [diff] [blame] | 32 | return nullptr; |
| 33 | } |
| 34 | |
James Feist | 734f953 | 2018-11-15 12:13:18 -0800 | [diff] [blame] | 35 | auto thermal = std::make_unique<ThermalController>(id, inputs, type, owner); |
Patrick Venture | d801218 | 2018-03-08 08:21:38 -0800 | [diff] [blame] | 36 | |
Patrick Venture | 563a356 | 2018-10-30 09:31:26 -0700 | [diff] [blame] | 37 | ec::pid_info_t* info = thermal->getPIDInfo(); |
| 38 | thermal->setSetpoint(setpoint); |
Patrick Venture | d801218 | 2018-03-08 08:21:38 -0800 | [diff] [blame] | 39 | |
Patrick Venture | 7af157b | 2018-10-30 11:24:40 -0700 | [diff] [blame] | 40 | initializePIDStruct(info, initial); |
Patrick Venture | d801218 | 2018-03-08 08:21:38 -0800 | [diff] [blame] | 41 | |
| 42 | return thermal; |
| 43 | } |
| 44 | |
Patrick Venture | 5f59c0f | 2018-11-11 12:55:14 -0800 | [diff] [blame] | 45 | // bmc_host_sensor_value_double |
| 46 | double ThermalController::inputProc(void) |
Patrick Venture | d801218 | 2018-03-08 08:21:38 -0800 | [diff] [blame] | 47 | { |
James Feist | 734f953 | 2018-11-15 12:13:18 -0800 | [diff] [blame] | 48 | double value; |
| 49 | const double& (*compare)(const double&, const double&); |
| 50 | if (type == ThermalType::margin) |
| 51 | { |
| 52 | value = std::numeric_limits<double>::max(); |
| 53 | compare = std::min<double>; |
| 54 | } |
| 55 | else |
| 56 | { |
| 57 | value = std::numeric_limits<double>::lowest(); |
| 58 | compare = std::max<double>; |
| 59 | } |
| 60 | |
| 61 | for (const auto& in : _inputs) |
| 62 | { |
| 63 | value = compare(value, _owner->getCachedValue(in)); |
| 64 | } |
| 65 | |
Patrick Venture | 5f59c0f | 2018-11-11 12:55:14 -0800 | [diff] [blame] | 66 | return value; |
Patrick Venture | d801218 | 2018-03-08 08:21:38 -0800 | [diff] [blame] | 67 | } |
| 68 | |
| 69 | // bmc_get_setpt |
Patrick Venture | 5f59c0f | 2018-11-11 12:55:14 -0800 | [diff] [blame] | 70 | double ThermalController::setptProc(void) |
Patrick Venture | d801218 | 2018-03-08 08:21:38 -0800 | [diff] [blame] | 71 | { |
Patrick Venture | 5f59c0f | 2018-11-11 12:55:14 -0800 | [diff] [blame] | 72 | double setpoint = getSetpoint(); |
Patrick Venture | d801218 | 2018-03-08 08:21:38 -0800 | [diff] [blame] | 73 | |
| 74 | /* TODO(venture): Thermal setpoint invalid? */ |
| 75 | #if 0 |
| 76 | if (-1 == setpoint) |
| 77 | { |
| 78 | return 0.0f; |
| 79 | } |
| 80 | else |
| 81 | { |
| 82 | return setpoint; |
| 83 | } |
| 84 | #endif |
| 85 | return setpoint; |
| 86 | } |
| 87 | |
| 88 | // bmc_set_pid_output |
Patrick Venture | 5f59c0f | 2018-11-11 12:55:14 -0800 | [diff] [blame] | 89 | void ThermalController::outputProc(double value) |
Patrick Venture | d801218 | 2018-03-08 08:21:38 -0800 | [diff] [blame] | 90 | { |
| 91 | _owner->addRPMSetPoint(value); |
| 92 | |
| 93 | return; |
| 94 | } |