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Code Issues Releases Wiki Activity

AHT10: fix temperature-only operation; add warning/error messages (#6405)

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This commit is contained in:
Clyde Stubbs
2024-03-20 19:20:42 +11:00
committed by GitHub
parent 98466cb7f5
commit 0cb1cc9e1c
2 changed files with 10 additions and 14 deletions
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23
esphome/components/aht10/aht10.cpp
View File

@@ -15,7 +15,6 @@
#include "aht10.h"
#include "esphome/core/log.h"
#include "esphome/core/hal.h"
#include <cinttypes>
namespace esphome {
namespace aht10 {
@@ -27,7 +26,7 @@ static const uint8_t AHT10_MEASURE_CMD[] = {0xAC, 0x33, 0x00};
static const uint8_t AHT10_SOFTRESET_CMD[] = {0xBA};
static const uint8_t AHT10_DEFAULT_DELAY = 5; // ms, for initialization and temperature measurement
static const uint8_t AHT10_HUMIDITY_DELAY = 30; // ms
static const uint8_t AHT10_READ_DELAY = 80; // ms, time to wait for conversion result
static const uint8_t AHT10_SOFTRESET_DELAY = 30; // ms
static const uint8_t AHT10_ATTEMPTS = 3; // safety margin, normally 3 attempts are enough: 3*30=90ms
@@ -36,7 +35,6 @@ static const uint8_t AHT10_INIT_ATTEMPTS = 10;
static const uint8_t AHT10_STATUS_BUSY = 0x80;
void AHT10Component::setup() {
this->read_delay_ = this->humidity_sensor_ != nullptr ? AHT10_HUMIDITY_DELAY : AHT10_DEFAULT_DELAY;
if (this->write(AHT10_SOFTRESET_CMD, sizeof(AHT10_SOFTRESET_CMD)) != i2c::ERROR_OK) {
ESP_LOGE(TAG, "Reset AHT10 failed!");
}
@@ -87,19 +85,19 @@ void AHT10Component::setup() {
void AHT10Component::restart_read_() {
if (this->read_count_ == AHT10_ATTEMPTS) {
this->read_count_ = 0;
ESP_LOGE(TAG, "Measurements reading timed-out!");
this->status_set_error();
this->status_set_error("Measurements reading timed-out!");
return;
}
this->read_count_++;
this->set_timeout(this->read_delay_, [this]() { this->read_data_(); });
this->set_timeout(AHT10_READ_DELAY, [this]() { this->read_data_(); });
}
void AHT10Component::read_data_() {
uint8_t data[6];
ESP_LOGD(TAG, "Read attempt %d at %ums", this->read_count_, (unsigned) (millis() - this->start_time_));
if (this->read_count_ > 1)
ESP_LOGD(TAG, "Read attempt %d at %ums", this->read_count_, (unsigned) (millis() - this->start_time_));
if (this->read(data, 6) != i2c::ERROR_OK) {
ESP_LOGD(TAG, "Communication with AHT10 failed, waiting...");
this->status_set_warning("AHT10 read failed, retrying soon");
this->restart_read_();
return;
}
@@ -116,14 +114,14 @@ void AHT10Component::read_data_() {
} else {
ESP_LOGD(TAG, "ATH10 Unrealistic humidity (0x0), retrying...");
if (this->write(AHT10_MEASURE_CMD, sizeof(AHT10_MEASURE_CMD)) != i2c::ERROR_OK) {
ESP_LOGE(TAG, "Communication with AHT10 failed!");
this->status_set_warning();
this->status_set_warning("Communication with AHT10 failed!");
}
this->restart_read_();
return;
}
}
ESP_LOGD(TAG, "Success at %ums", (unsigned) (millis() - this->start_time_));
if (this->read_count_ > 1)
ESP_LOGD(TAG, "Success at %ums", (unsigned) (millis() - this->start_time_));
uint32_t raw_temperature = ((data[3] & 0x0F) << 16) | (data[4] << 8) | data[5];
uint32_t raw_humidity = ((data[1] << 16) | (data[2] << 8) | data[3]) >> 4;
@@ -151,8 +149,7 @@ void AHT10Component::update() {
return;
this->start_time_ = millis();
if (this->write(AHT10_MEASURE_CMD, sizeof(AHT10_MEASURE_CMD)) != i2c::ERROR_OK) {
ESP_LOGE(TAG, "Communication with AHT10 failed!");
this->status_set_warning();
this->status_set_warning("Communication with AHT10 failed!");
return;
}
this->restart_read_();

1
esphome/components/aht10/aht10.h
View File

@@ -27,7 +27,6 @@ class AHT10Component : public PollingComponent, public i2c::I2CDevice {
sensor::Sensor *humidity_sensor_{nullptr};
AHT10Variant variant_{};
unsigned read_count_{};
unsigned read_delay_{};
void read_data_();
void restart_read_();
uint32_t start_time_{};