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Fix servo detach chopped PWM (#1650)

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Guillermo Ruffino 2021-04-08 09:22:30 -03:00 committed by GitHub
parent 76a6c39f25
commit 2e50e1f506
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1 changed files with 5 additions and 0 deletions
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esphome/components/esp8266_pwm/esp8266_pwm.cpp
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@ -37,6 +37,11 @@ void HOT ESP8266PWM::write_state(float state) {
uint32_t duty_off = total_time_us - duty_on; uint32_t duty_off = total_time_us - duty_on;
if (duty_on == 0) { if (duty_on == 0) {
// This is a hacky fix for servos: Servo PWM high time is maximum 2.4ms by default
// The frequency check is to affect this fix for servos mostly as the frequency is usually 50-300 hz
if (this->pin_->digital_read() && 50 <= this->frequency_ && this->frequency_ <= 300) {
delay(3);
}
stopWaveform(this->pin_->get_pin()); stopWaveform(this->pin_->get_pin());
this->pin_->digital_write(this->pin_->is_inverted()); this->pin_->digital_write(this->pin_->is_inverted());
} else if (duty_off == 0) { } else if (duty_off == 0) {