esphome/esphome/components/fan/fan_helpers.cpp

23 lines
827 B
C++

#include <cassert>
#include "fan_helpers.h"
namespace esphome {
namespace fan {
// This whole file is deprecated, don't warn about usage of deprecated types in here.
#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
FanSpeed speed_level_to_enum(int speed_level, int supported_speed_levels) {
const auto speed_ratio = static_cast<float>(speed_level) / (supported_speed_levels + 1);
const auto legacy_level = clamp<int>(static_cast<int>(ceilf(speed_ratio * 3)), 1, 3);
return static_cast<FanSpeed>(legacy_level - 1);
}
int speed_enum_to_level(FanSpeed speed, int supported_speed_levels) {
const auto enum_level = static_cast<int>(speed) + 1;
const auto speed_level = roundf(enum_level / 3.0f * supported_speed_levels);
return static_cast<int>(speed_level);
}
} // namespace fan
} // namespace esphome