cogito/esphome_dev/esphome/components/mcp4461/output/mcp4461_output.cpp

73 lines
2.2 KiB
C++

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