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69 lines
2.0 KiB
C++
69 lines
2.0 KiB
C++
#include "mcp4461_output.h"
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#include <cmath>
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#include "esphome/core/helpers.h"
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#include "esphome/core/log.h"
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namespace esphome {
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namespace mcp4461 {
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static const char *const TAG = "mcp4461.output";
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// floats from other components (like light etc.) are passed as "percentage floats"
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// this function converts them to the 0 - 256 range used by the MCP4461
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void Mcp4461Wiper::write_state(float state) {
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if (!std::isfinite(state)) {
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ESP_LOGW.....
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return;
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}
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state = clamp(state, 0.0f, 1.0f);
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if (this->is_inverted()) {
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state = 1.0f - state;
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}
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if (this->parent_->set_wiper_level_(this->wiper_, static_cast<uint16_t>(std::roundf(state * 256)))) {
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this->state_ = state;
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}
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}
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float Mcp4461Wiper::read_state() { return (static_cast<float>(this->parent_->get_wiper_level_(this->wiper_)) / 256.0); }
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float Mcp4461Wiper::update_state() {
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this->state_ = this->read_state();
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return this->state_;
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}
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void Mcp4461Wiper::set_state(bool state) {
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if (state) {
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this->turn_on();
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} else {
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this->turn_off();
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}
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}
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void Mcp4461Wiper::turn_on() { this->parent_->enable_wiper_(this->wiper_); }
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void Mcp4461Wiper::turn_off() { this->parent_->disable_wiper_(this->wiper_); }
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void Mcp4461Wiper::increase_wiper() {
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if (this->parent_->increase_wiper_(this->wiper_)) {
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this->state_ = this->update_state();
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ESP_LOGV(TAG, "Increased wiper %hhu to %" PRIu16 "", static_cast<uint8_t>(this->wiper_),
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static_cast<uint16_t>(std::roundf(this->state_ * 256)));
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}
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}
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void Mcp4461Wiper::decrease_wiper() {
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if (this->parent_->decrease_wiper_(this->wiper_)) {
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this->state_ = this->update_state();
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ESP_LOGV(TAG, "Decreased wiper %" PRIu8 " to %" PRIu16 "", static_cast<uint8_t>(this->wiper_),
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static_cast<uint16_t>(std::roundf(this->state_ * 256)));
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}
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}
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void Mcp4461Wiper::enable_terminal(char terminal) { this->parent_->enable_terminal_(this->wiper_, terminal); }
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void Mcp4461Wiper::disable_terminal(char terminal) { this->parent_->disable_terminal_(this->wiper_, terminal); }
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} // namespace mcp4461
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} // namespace esphome
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