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73 lines
2.0 KiB
C++
73 lines
2.0 KiB
C++
#include "x9c.h"
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#include "esphome/core/log.h"
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namespace esphome {
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namespace x9c {
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static const char *const TAG = "x9c.output";
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void X9cOutput::trim_value(int change_amount) {
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if (change_amount > 0) { // Set change direction
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this->ud_pin_->digital_write(true);
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} else {
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this->ud_pin_->digital_write(false);
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}
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this->inc_pin_->digital_write(true);
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this->cs_pin_->digital_write(false); // Select chip
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for (int i = 0; i < abs(change_amount); i++) { // Move wiper
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this->inc_pin_->digital_write(true);
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delayMicroseconds(1);
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this->inc_pin_->digital_write(false);
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delayMicroseconds(1);
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}
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delayMicroseconds(100); // Let value settle
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this->inc_pin_->digital_write(false);
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this->cs_pin_->digital_write(true); // Deselect chip safely (no save)
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}
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void X9cOutput::setup() {
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ESP_LOGCONFIG(TAG, "Setting up X9C Potentiometer with initial value of %f", this->initial_value_);
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this->inc_pin_->get_pin();
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this->inc_pin_->setup();
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this->inc_pin_->digital_write(false);
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this->cs_pin_->get_pin();
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this->cs_pin_->setup();
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this->cs_pin_->digital_write(true);
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this->ud_pin_->get_pin();
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this->ud_pin_->setup();
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if (this->initial_value_ <= 0.50) {
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this->trim_value(-101); // Set min value (beyond 0)
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this->trim_value((int) (this->initial_value_ * 100));
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} else {
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this->trim_value(101); // Set max value (beyond 100)
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this->trim_value((int) (this->initial_value_ * 100) - 100);
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}
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this->pot_value_ = this->initial_value_;
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this->write_state(this->initial_value_);
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}
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void X9cOutput::write_state(float state) {
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this->trim_value((int) ((state - this->pot_value_) * 100));
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this->pot_value_ = state;
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}
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void X9cOutput::dump_config() {
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ESP_LOGCONFIG(TAG, "X9C Potentiometer Output:");
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LOG_PIN(" Chip Select Pin: ", this->cs_pin_);
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LOG_PIN(" Increment Pin: ", this->inc_pin_);
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LOG_PIN(" Up/Down Pin: ", this->ud_pin_);
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ESP_LOGCONFIG(TAG, " Initial Value: %f", this->initial_value_);
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LOG_FLOAT_OUTPUT(this);
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}
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} // namespace x9c
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} // namespace esphome
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