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Fix LEDC 100% is not 100% duty with ESP32 IDF (#6997)

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Markus 2024-06-27 03:48:01 +02:00 committed by Jesse Hills
parent 0e50cac399
commit 3a48b10757
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1 changed files with 4 additions and 1 deletions
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5
esphome/components/ledc/ledc_output.cpp
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@ -115,12 +115,15 @@ void LEDCOutput::write_state(float state) {
const uint32_t max_duty = (uint32_t(1) << this->bit_depth_) - 1; const uint32_t max_duty = (uint32_t(1) << this->bit_depth_) - 1;
const float duty_rounded = roundf(state * max_duty); const float duty_rounded = roundf(state * max_duty);
auto duty = static_cast<uint32_t>(duty_rounded); auto duty = static_cast<uint32_t>(duty_rounded);
#ifdef USE_ARDUINO #ifdef USE_ARDUINO
ESP_LOGV(TAG, "Setting duty: %u on channel %u", duty, this->channel_); ESP_LOGV(TAG, "Setting duty: %u on channel %u", duty, this->channel_);
ledcWrite(this->channel_, duty); ledcWrite(this->channel_, duty);
#endif #endif
#ifdef USE_ESP_IDF #ifdef USE_ESP_IDF
// ensure that 100% on is not 99.975% on
if ((duty == max_duty) && (max_duty != 1)) {
duty = max_duty + 1;
}
auto speed_mode = get_speed_mode(channel_); auto speed_mode = get_speed_mode(channel_);
auto chan_num = static_cast<ledc_channel_t>(channel_ % 8); auto chan_num = static_cast<ledc_channel_t>(channel_ % 8);
int hpoint = ledc_angle_to_htop(this->phase_angle_, this->bit_depth_); int hpoint = ledc_angle_to_htop(this->phase_angle_, this->bit_depth_);