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Code Issues Releases Wiki Activity

a4988 wait 1ms when coming out of sleep (#1597)

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WeekendWarrior1
2021-03-14 11:29:31 +11:00
committed by GitHub
parent 848a5f1680
commit 08998caabc
2 changed files with 7 additions and 0 deletions
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6
esphome/components/a4988/a4988.cpp
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@@ -11,6 +11,7 @@ void A4988::setup() {
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);
@@ -27,7 +28,12 @@ void A4988::dump_config() {
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();

1
esphome/components/a4988/a4988.h
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@@ -21,6 +21,7 @@ class A4988 : public stepper::Stepper, public Component {
GPIOPin *step_pin_;
GPIOPin *dir_pin_;
GPIOPin *sleep_pin_{nullptr};
bool sleep_pin_state_;
HighFrequencyLoopRequester high_freq_;
};