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89 lines
3.3 KiB
C++
89 lines
3.3 KiB
C++
#include "hbridge_fan.h"
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#include "esphome/core/log.h"
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namespace esphome {
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namespace hbridge {
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static const char *const TAG = "fan.hbridge";
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void HBridgeFan::set_hbridge_levels_(float a_level, float b_level) {
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this->pin_a_->set_level(a_level);
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this->pin_b_->set_level(b_level);
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ESP_LOGD(TAG, "Setting speed: a: %.2f, b: %.2f", a_level, b_level);
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}
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// constant IN1/IN2, PWM on EN => power control, fast current decay
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// constant IN1/EN, PWM on IN2 => power control, slow current decay
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void HBridgeFan::set_hbridge_levels_(float a_level, float b_level, float enable) {
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this->pin_a_->set_level(a_level);
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this->pin_b_->set_level(b_level);
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this->enable_->set_level(enable);
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ESP_LOGD(TAG, "Setting speed: a: %.2f, b: %.2f, enable: %.2f", a_level, b_level, enable);
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}
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fan::FanCall HBridgeFan::brake() {
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ESP_LOGD(TAG, "Braking");
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(this->enable_ == nullptr) ? this->set_hbridge_levels_(1.0f, 1.0f) : this->set_hbridge_levels_(1.0f, 1.0f, 1.0f);
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return this->make_call().set_state(false);
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}
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void HBridgeFan::setup() {
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auto restore = this->restore_state_();
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if (restore.has_value()) {
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restore->apply(*this);
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this->write_state_();
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}
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}
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void HBridgeFan::dump_config() {
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LOG_FAN("", "H-Bridge Fan", this);
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if (this->decay_mode_ == DECAY_MODE_SLOW) {
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ESP_LOGCONFIG(TAG, " Decay Mode: Slow");
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} else {
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ESP_LOGCONFIG(TAG, " Decay Mode: Fast");
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}
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}
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fan::FanTraits HBridgeFan::get_traits() {
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return fan::FanTraits(this->oscillating_ != nullptr, true, true, this->speed_count_);
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}
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void HBridgeFan::control(const fan::FanCall &call) {
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if (call.get_state().has_value())
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this->state = *call.get_state();
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if (call.get_speed().has_value())
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this->speed = *call.get_speed();
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if (call.get_oscillating().has_value())
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this->oscillating = *call.get_oscillating();
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if (call.get_direction().has_value())
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this->direction = *call.get_direction();
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this->write_state_();
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this->publish_state();
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}
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void HBridgeFan::write_state_() {
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float speed = this->state ? static_cast<float>(this->speed) / static_cast<float>(this->speed_count_) : 0.0f;
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if (speed == 0.0f) { // off means idle
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(this->enable_ == nullptr) ? this->set_hbridge_levels_(speed, speed)
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: this->set_hbridge_levels_(speed, speed, speed);
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} else if (this->direction == fan::FanDirection::FORWARD) {
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if (this->decay_mode_ == DECAY_MODE_SLOW) {
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(this->enable_ == nullptr) ? this->set_hbridge_levels_(1.0f - speed, 1.0f)
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: this->set_hbridge_levels_(1.0f - speed, 1.0f, 1.0f);
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} else { // DECAY_MODE_FAST
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(this->enable_ == nullptr) ? this->set_hbridge_levels_(0.0f, speed)
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: this->set_hbridge_levels_(0.0f, 1.0f, speed);
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}
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} else { // fan::FAN_DIRECTION_REVERSE
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if (this->decay_mode_ == DECAY_MODE_SLOW) {
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(this->enable_ == nullptr) ? this->set_hbridge_levels_(1.0f, 1.0f - speed)
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: this->set_hbridge_levels_(1.0f, 1.0f - speed, 1.0f);
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} else { // DECAY_MODE_FAST
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(this->enable_ == nullptr) ? this->set_hbridge_levels_(speed, 0.0f)
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: this->set_hbridge_levels_(1.0f, 0.0f, speed);
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}
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}
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if (this->oscillating_ != nullptr)
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this->oscillating_->set_state(this->oscillating);
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}
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} // namespace hbridge
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} // namespace esphome
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