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aht10: Added new CMD and renamed existing CMD to match datasheet (#6303)
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11cae03769
commit
0298adb1d8
1 changed files with 24 additions and 15 deletions
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@ -21,30 +21,39 @@ namespace esphome {
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namespace aht10 {
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static const char *const TAG = "aht10";
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static const size_t SIZE_CALIBRATE_CMD = 3;
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static const uint8_t AHT10_CALIBRATE_CMD[] = {0xE1, 0x08, 0x00};
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static const uint8_t AHT20_CALIBRATE_CMD[] = {0xBE, 0x08, 0x00};
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static const uint8_t AHT10_INITIALIZE_CMD[] = {0xE1, 0x08, 0x00};
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static const uint8_t AHT20_INITIALIZE_CMD[] = {0xBE, 0x08, 0x00};
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static const uint8_t AHT10_MEASURE_CMD[] = {0xAC, 0x33, 0x00};
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static const uint8_t AHT10_DEFAULT_DELAY = 5; // ms, for calibration and temperature measurement
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static const uint8_t AHT10_HUMIDITY_DELAY = 30; // ms
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static const uint8_t AHT10_ATTEMPTS = 3; // safety margin, normally 3 attempts are enough: 3*30=90ms
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static const uint8_t AHT10_CAL_ATTEMPTS = 10;
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static const uint8_t AHT10_SOFTRESET_CMD[] = {0xBA};
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static const uint8_t AHT10_DEFAULT_DELAY = 5; // ms, for initialization and temperature measurement
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static const uint8_t AHT10_HUMIDITY_DELAY = 30; // ms
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static const uint8_t AHT10_SOFTRESET_DELAY = 30; // ms
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static const uint8_t AHT10_ATTEMPTS = 3; // safety margin, normally 3 attempts are enough: 3*30=90ms
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static const uint8_t AHT10_INIT_ATTEMPTS = 10;
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static const uint8_t AHT10_STATUS_BUSY = 0x80;
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void AHT10Component::setup() {
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const uint8_t *calibrate_cmd;
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if (this->write(AHT10_SOFTRESET_CMD, sizeof(AHT10_SOFTRESET_CMD)) != i2c::ERROR_OK) {
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ESP_LOGE(TAG, "Reset AHT10 failed!");
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}
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delay(AHT10_SOFTRESET_DELAY);
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const uint8_t *init_cmd;
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switch (this->variant_) {
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case AHT10Variant::AHT20:
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calibrate_cmd = AHT20_CALIBRATE_CMD;
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init_cmd = AHT20_INITIALIZE_CMD;
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ESP_LOGCONFIG(TAG, "Setting up AHT20");
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break;
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case AHT10Variant::AHT10:
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default:
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calibrate_cmd = AHT10_CALIBRATE_CMD;
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init_cmd = AHT10_INITIALIZE_CMD;
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ESP_LOGCONFIG(TAG, "Setting up AHT10");
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}
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if (this->write(calibrate_cmd, SIZE_CALIBRATE_CMD) != i2c::ERROR_OK) {
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if (this->write(init_cmd, sizeof(init_cmd)) != i2c::ERROR_OK) {
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ESP_LOGE(TAG, "Communication with AHT10 failed!");
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this->mark_failed();
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return;
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@ -59,19 +68,19 @@ void AHT10Component::setup() {
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return;
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}
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++cal_attempts;
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if (cal_attempts > AHT10_CAL_ATTEMPTS) {
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ESP_LOGE(TAG, "AHT10 calibration timed out!");
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if (cal_attempts > AHT10_INIT_ATTEMPTS) {
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ESP_LOGE(TAG, "AHT10 initialization timed out!");
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this->mark_failed();
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return;
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}
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}
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if ((data & 0x68) != 0x08) { // Bit[6:5] = 0b00, NORMAL mode and Bit[3] = 0b1, CALIBRATED
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ESP_LOGE(TAG, "AHT10 calibration failed!");
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ESP_LOGE(TAG, "AHT10 initialization failed!");
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this->mark_failed();
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return;
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}
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ESP_LOGV(TAG, "AHT10 calibrated");
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ESP_LOGV(TAG, "AHT10 initialization");
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}
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void AHT10Component::update() {
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