mirror of
https://github.com/esphome/esphome.git
synced 2025-02-24 13:58:14 +00:00
56 lines
1.4 KiB
C++
56 lines
1.4 KiB
C++
#include "a4988.h"
|
|
#include "esphome/core/log.h"
|
|
|
|
namespace esphome {
|
|
namespace a4988 {
|
|
|
|
static const char *const TAG = "a4988.stepper";
|
|
|
|
void A4988::setup() {
|
|
ESP_LOGCONFIG(TAG, "Setting up A4988...");
|
|
if (this->sleep_pin_ != nullptr) {
|
|
this->sleep_pin_->setup();
|
|
this->sleep_pin_->digital_write(false);
|
|
this->sleep_pin_state_ = false;
|
|
}
|
|
this->step_pin_->setup();
|
|
this->step_pin_->digital_write(false);
|
|
this->dir_pin_->setup();
|
|
this->dir_pin_->digital_write(false);
|
|
}
|
|
void A4988::dump_config() {
|
|
ESP_LOGCONFIG(TAG, "A4988:");
|
|
LOG_PIN(" Step Pin: ", this->step_pin_);
|
|
LOG_PIN(" Dir Pin: ", this->dir_pin_);
|
|
LOG_PIN(" Sleep Pin: ", this->sleep_pin_);
|
|
LOG_STEPPER(this);
|
|
}
|
|
void A4988::loop() {
|
|
bool at_target = this->has_reached_target();
|
|
if (this->sleep_pin_ != nullptr) {
|
|
bool sleep_rising_edge = !sleep_pin_state_ & !at_target;
|
|
this->sleep_pin_->digital_write(!at_target);
|
|
this->sleep_pin_state_ = !at_target;
|
|
if (sleep_rising_edge) {
|
|
delayMicroseconds(1000);
|
|
}
|
|
}
|
|
if (at_target) {
|
|
this->high_freq_.stop();
|
|
} else {
|
|
this->high_freq_.start();
|
|
}
|
|
|
|
int32_t dir = this->should_step_();
|
|
if (dir == 0)
|
|
return;
|
|
|
|
this->dir_pin_->digital_write(dir == 1);
|
|
this->step_pin_->digital_write(true);
|
|
delayMicroseconds(5);
|
|
this->step_pin_->digital_write(false);
|
|
}
|
|
|
|
} // namespace a4988
|
|
} // namespace esphome
|