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aht10: Added new CMD and renamed existing CMD to match datasheet (#6303)

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CptSkippy 2024-03-03 12:00:18 -08:00 committed by GitHub
parent 11cae03769
commit 0298adb1d8
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1 changed files with 24 additions and 15 deletions
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39
esphome/components/aht10/aht10.cpp
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@ -21,30 +21,39 @@ namespace esphome {
namespace aht10 { namespace aht10 {
static const char *const TAG = "aht10"; static const char *const TAG = "aht10";
static const size_t SIZE_CALIBRATE_CMD = 3; static const uint8_t AHT10_INITIALIZE_CMD[] = {0xE1, 0x08, 0x00};
static const uint8_t AHT10_CALIBRATE_CMD[] = {0xE1, 0x08, 0x00}; static const uint8_t AHT20_INITIALIZE_CMD[] = {0xBE, 0x08, 0x00};
static const uint8_t AHT20_CALIBRATE_CMD[] = {0xBE, 0x08, 0x00};
static const uint8_t AHT10_MEASURE_CMD[] = {0xAC, 0x33, 0x00}; static const uint8_t AHT10_MEASURE_CMD[] = {0xAC, 0x33, 0x00};
static const uint8_t AHT10_DEFAULT_DELAY = 5; // ms, for calibration and temperature measurement static const uint8_t AHT10_SOFTRESET_CMD[] = {0xBA};
static const uint8_t AHT10_HUMIDITY_DELAY = 30; // ms
static const uint8_t AHT10_ATTEMPTS = 3; // safety margin, normally 3 attempts are enough: 3*30=90ms static const uint8_t AHT10_DEFAULT_DELAY = 5; // ms, for initialization and temperature measurement
static const uint8_t AHT10_CAL_ATTEMPTS = 10; static const uint8_t AHT10_HUMIDITY_DELAY = 30; // ms
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
static const uint8_t AHT10_INIT_ATTEMPTS = 10;
static const uint8_t AHT10_STATUS_BUSY = 0x80; static const uint8_t AHT10_STATUS_BUSY = 0x80;
void AHT10Component::setup() { void AHT10Component::setup() {
const uint8_t *calibrate_cmd; if (this->write(AHT10_SOFTRESET_CMD, sizeof(AHT10_SOFTRESET_CMD)) != i2c::ERROR_OK) {
ESP_LOGE(TAG, "Reset AHT10 failed!");
}
delay(AHT10_SOFTRESET_DELAY);
const uint8_t *init_cmd;
switch (this->variant_) { switch (this->variant_) {
case AHT10Variant::AHT20: case AHT10Variant::AHT20:
calibrate_cmd = AHT20_CALIBRATE_CMD; init_cmd = AHT20_INITIALIZE_CMD;
ESP_LOGCONFIG(TAG, "Setting up AHT20"); ESP_LOGCONFIG(TAG, "Setting up AHT20");
break; break;
case AHT10Variant::AHT10: case AHT10Variant::AHT10:
default: default:
calibrate_cmd = AHT10_CALIBRATE_CMD; init_cmd = AHT10_INITIALIZE_CMD;
ESP_LOGCONFIG(TAG, "Setting up AHT10"); ESP_LOGCONFIG(TAG, "Setting up AHT10");
} }
if (this->write(calibrate_cmd, SIZE_CALIBRATE_CMD) != i2c::ERROR_OK) { if (this->write(init_cmd, sizeof(init_cmd)) != i2c::ERROR_OK) {
ESP_LOGE(TAG, "Communication with AHT10 failed!"); ESP_LOGE(TAG, "Communication with AHT10 failed!");
this->mark_failed(); this->mark_failed();
return; return;
@ -59,19 +68,19 @@ void AHT10Component::setup() {
return; return;
} }
++cal_attempts; ++cal_attempts;
if (cal_attempts > AHT10_CAL_ATTEMPTS) { if (cal_attempts > AHT10_INIT_ATTEMPTS) {
ESP_LOGE(TAG, "AHT10 calibration timed out!"); ESP_LOGE(TAG, "AHT10 initialization timed out!");
this->mark_failed(); this->mark_failed();
return; return;
} }
} }
if ((data & 0x68) != 0x08) { // Bit[6:5] = 0b00, NORMAL mode and Bit[3] = 0b1, CALIBRATED if ((data & 0x68) != 0x08) { // Bit[6:5] = 0b00, NORMAL mode and Bit[3] = 0b1, CALIBRATED
ESP_LOGE(TAG, "AHT10 calibration failed!"); ESP_LOGE(TAG, "AHT10 initialization failed!");
this->mark_failed(); this->mark_failed();
return; return;
} }
ESP_LOGV(TAG, "AHT10 calibrated"); ESP_LOGV(TAG, "AHT10 initialization");
} }
void AHT10Component::update() { void AHT10Component::update() {