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108 lines
3.4 KiB
C++
108 lines
3.4 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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void Mcp4461Wiper::write_state(float state) {
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uint8_t wiper_idx = static_cast<uint8_t>(this->wiper_);
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ESP_LOGV(TAG, "Got value %02f from frontend", state);
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const float max_taps = 256.0;
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state = state * 1000.0;
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if (state > max_taps) {
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ESP_LOGW(TAG, "Cannot set taps > 0.256 for wiper %" PRIu8 ", clamping to 0.256 !", wiper_idx);
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state = 256.0;
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}
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uint16_t taps;
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taps = static_cast<uint16_t>(state);
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ESP_LOGV(TAG, "Setting wiper %" PRIu8 " to value %" PRIu16 "", wiper_idx, taps);
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this->state_ = state;
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this->parent_->set_wiper_level(this->wiper_, taps);
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}
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void Mcp4461Wiper::set_initial_value(float initial_value) {
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if (this->initial_value_ >= 0.000 && this->initial_value_ <= 0.256) {
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this->initial_value_ = initial_value;
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// Use the value
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ESP_LOGCONFIG(TAG, "Setting initial value %.3f", this->initial_value_);
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this->_parent->set_wiper_level(wiper, this->initial_value_);
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} else {
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ESP_LOGCONFIG(TAG, "No (valid) initial value set, retaining previous wiper level.");
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}
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}
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uint16_t Mcp4461Wiper::get_wiper_level() { return this->parent_->get_wiper_level(this->wiper_); }
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void Mcp4461Wiper::save_level() {
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uint8_t wiper_idx = static_cast<uint8_t>(this->wiper_);
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if (wiper_idx > 3) {
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ESP_LOGW(TAG, "Cannot save level for nonvolatile wiper %" PRIu8 " !", wiper_idx);
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return;
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}
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uint8_t nonvolatile_wiper_idx = wiper_idx + 4;
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Mcp4461WiperIdx nonvolatile_wiper = static_cast<Mcp4461WiperIdx>(nonvolatile_wiper_idx);
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this->parent_->set_wiper_level(nonvolatile_wiper, this->state_);
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}
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void Mcp4461Wiper::enable_wiper() {
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uint8_t wiper_idx = static_cast<uint8_t>(this->wiper_);
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if (wiper_idx > 3) {
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ESP_LOGW(TAG, "Cannot enable nonvolatile wiper %" PRIu8 " !", wiper_idx);
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return;
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}
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this->parent_->enable_wiper(this->wiper_);
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}
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void Mcp4461Wiper::disable_wiper() {
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uint8_t wiper_idx = static_cast<uint8_t>(this->wiper_);
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if (wiper_idx > 3) {
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ESP_LOGW(TAG, "Cannot disable nonvolatile wiper %" PRIu8 " !", wiper_idx);
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return;
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}
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this->parent_->disable_wiper(this->wiper_);
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}
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void Mcp4461Wiper::increase_wiper() {
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uint8_t wiper_idx = static_cast<uint8_t>(this->wiper_);
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if (wiper_idx > 3) {
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ESP_LOGW(TAG, "Cannot increase nonvolatile wiper %" PRIu8 " !", wiper_idx);
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return;
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}
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this->parent_->increase_wiper(this->wiper_);
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}
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void Mcp4461Wiper::decrease_wiper() {
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uint8_t wiper_idx = static_cast<uint8_t>(this->wiper_);
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if (wiper_idx > 3) {
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ESP_LOGW(TAG, "Cannot decrease nonvolatile wiper %" PRIu8 " !", wiper_idx);
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return;
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}
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this->parent_->decrease_wiper(this->wiper_);
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}
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void Mcp4461Wiper::enable_terminal(char terminal) {
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uint8_t wiper_idx = static_cast<uint8_t>(this->wiper_);
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if (wiper_idx > 3) {
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ESP_LOGW(TAG, "Cannot get/set terminals nonvolatile wiper %" PRIu8 " !", wiper_idx);
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return;
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}
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this->parent_->enable_terminal(this->wiper_, terminal);
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}
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void Mcp4461Wiper::disable_terminal(char terminal) {
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uint8_t wiper_idx = static_cast<uint8_t>(this->wiper_);
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if (wiper_idx > 3) {
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ESP_LOGW(TAG, "Cannot get/set terminals for nonvolatile wiper %" PRIu8 " !", wiper_idx);
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return;
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}
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this->parent_->disable_terminal(this->wiper_, terminal);
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}
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} // namespace mcp4461
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} // namespace esphome
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