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Better DHT error reporting
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83095e8989
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@ -153,13 +153,15 @@ bool HOT DHT::read_sensor_(float *temperature, float *humidity, bool report_erro
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if (checksum_a != data[4] && checksum_b != data[4]) {
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if (report_errors) {
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ESP_LOGE(TAG, "Checksum invalid: %u!=%u", checksum_a, data[4]);
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ESP_LOGW(TAG, "Checksum invalid: %u!=%u", checksum_a, data[4]);
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}
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return false;
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}
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if (this->model_ == DHT_MODEL_DHT11) {
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*humidity = data[0];
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if (*humidity > 100)
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*humidity = NAN;
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*temperature = data[2];
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} else {
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uint16_t raw_humidity = (uint16_t(data[0] & 0xFF) << 8) | (data[1] & 0xFF);
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@ -170,18 +172,20 @@ bool HOT DHT::read_sensor_(float *temperature, float *humidity, bool report_erro
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if (raw_temperature == 1 && raw_humidity == 10) {
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if (report_errors) {
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ESP_LOGE(TAG, "Invalid temperature+humidity! Sensor reported 1°C and 1%% Hum");
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ESP_LOGW(TAG, "Invalid temperature+humidity! Sensor reported 1°C and 1%% Hum");
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}
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return false;
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}
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*humidity = raw_humidity * 0.1f;
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if (*humidity > 100)
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*humidity = NAN;
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*temperature = int16_t(raw_temperature) * 0.1f;
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}
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if (*temperature == 0.0f && (*humidity == 1.0f || *humidity == 2.0f)) {
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if (report_errors) {
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ESP_LOGE(TAG, "DHT reports invalid data. Is the update interval too high or the sensor damaged?");
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ESP_LOGW(TAG, "DHT reports invalid data. Is the update interval too high or the sensor damaged?");
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}
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return false;
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}
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