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[gdk101] Retry reset on interval for slow-booting sensor MCU (#11750)

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Co-authored-by: J. Nick Koston <nick@koston.org>
Co-authored-by: pre-commit-ci-lite[bot] <117423508+pre-commit-ci-lite[bot]@users.noreply.github.com>
Co-authored-by: J. Nick Koston <nick@home-assistant.io>
This commit is contained in:
Szewcson
2026-04-08 05:05:18 +02:00
committed by GitHub
parent e658a8559e
commit 313b9fd5bf
2 changed files with 44 additions and 21 deletions
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esphome/components/gdk101/gdk101.cpp
+41 -21
View File
@@ -6,9 +6,15 @@ namespace esphome {
namespace gdk101 {
static const char *const TAG = "gdk101";
static const uint8_t NUMBER_OF_READ_RETRIES = 5;
static constexpr uint8_t NUMBER_OF_READ_RETRIES = 5;
static constexpr uint8_t NUMBER_OF_RESET_RETRIES = 10;
static constexpr uint32_t RESET_INTERVAL_ID = 0;
static constexpr uint32_t RESET_INTERVAL_MS = 1000;
void GDK101Component::update() {
if (!this->reset_complete_)
return;
uint8_t data[2];
if (!this->read_dose_1m_(data)) {
this->status_set_warning(LOG_STR("Failed to read dose 1m"));
@@ -33,26 +39,45 @@ void GDK101Component::update() {
}
void GDK101Component::setup() {
uint8_t data[2];
// first, reset the sensor
if (!this->reset_sensor_(data)) {
this->status_set_error(LOG_STR("Reset failed!"));
this->mark_failed();
return;
if (!this->try_reset_()) {
// Sensor MCU boots slowly after power cycle — retry on a short interval
this->reset_retries_remaining_ = NUMBER_OF_RESET_RETRIES;
this->set_interval(RESET_INTERVAL_ID, RESET_INTERVAL_MS, [this]() {
if (this->try_reset_()) {
if (this->reset_complete_) {
this->update();
}
return;
}
if (--this->reset_retries_remaining_ == 0) {
this->cancel_interval(RESET_INTERVAL_ID);
this->mark_failed(LOG_STR("Reset failed after retries"));
}
});
}
}
/// Attempt to reset the sensor and read firmware version. Returns true on success or hard failure.
bool GDK101Component::try_reset_() {
uint8_t data[2] = {0};
if (!this->reset_sensor_(data)) {
this->status_set_warning(LOG_STR("Sensor not answering reset, will retry"));
return false;
}
// sensor should acknowledge success of the reset procedure
if (data[0] != 1) {
this->status_set_error(LOG_STR("Reset not acknowledged!"));
this->mark_failed();
return;
this->status_set_warning(LOG_STR("Reset not acknowledged, will retry"));
return false;
}
delay(10);
// read firmware version
if (!this->read_fw_version_(data)) {
this->status_set_error(LOG_STR("Failed to read firmware version"));
this->mark_failed();
return;
this->cancel_interval(RESET_INTERVAL_ID);
this->mark_failed(LOG_STR("Failed to read firmware version"));
return true;
}
this->reset_complete_ = true;
this->status_clear_warning();
this->cancel_interval(RESET_INTERVAL_ID);
return true;
}
void GDK101Component::dump_config() {
@@ -92,12 +117,7 @@ bool GDK101Component::reset_sensor_(uint8_t *data) {
// After sending reset command it looks that sensor start performing reset and is unresponsible during read
// after a while we can send another reset command and read "0x01" as confirmation
// Documentation not going in to such details unfortunately
if (!this->read_bytes_with_retry_(GDK101_REG_RESET, data, 2)) {
ESP_LOGE(TAG, "Updating GDK101 failed!");
return false;
}
return true;
return this->read_bytes_with_retry_(GDK101_REG_RESET, data, 2);
}
bool GDK101Component::read_dose_1m_(uint8_t *data) {
esphome/components/gdk101/gdk101.h
+3
View File
@@ -44,12 +44,15 @@ class GDK101Component : public PollingComponent, public i2c::I2CDevice {
protected:
bool read_bytes_with_retry_(uint8_t a_register, uint8_t *data, uint8_t len);
bool try_reset_();
bool reset_sensor_(uint8_t *data);
bool read_dose_1m_(uint8_t *data);
bool read_dose_10m_(uint8_t *data);
bool read_status_(uint8_t *data);
bool read_fw_version_(uint8_t *data);
bool read_measurement_duration_(uint8_t *data);
bool reset_complete_{false};
uint8_t reset_retries_remaining_{0};
};
} // namespace gdk101