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[senseair] Discard 0 ppm readings with "Out Of Range" bit set. (#10275)

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This commit is contained in:
Ben Winslow
2025-08-17 22:09:42 -04:00
committed by GitHub
parent 75f3adcd95
commit 2a3f80a82c
2 changed files with 18 additions and 3 deletions
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10
esphome/components/senseair/senseair.cpp
View File

@@ -53,10 +53,14 @@ void SenseAirComponent::update() {
this->status_clear_warning();
const uint8_t length = response[2];
const uint16_t status = (uint16_t(response[3]) << 8) | response[4];
const int16_t ppm = int16_t((response[length + 1] << 8) | response[length + 2]);
const uint16_t status = encode_uint16(response[3], response[4]);
const uint16_t ppm = encode_uint16(response[length + 1], response[length + 2]);
ESP_LOGD(TAG, "SenseAir Received CO₂=%dppm Status=0x%02X", ppm, status);
ESP_LOGD(TAG, "SenseAir Received CO₂=%uppm Status=0x%02X", ppm, status);
if (ppm == 0 && (status & SenseAirStatus::OUT_OF_RANGE_ERROR) != 0) {
ESP_LOGD(TAG, "Discarding 0 ppm reading with out-of-range status.");
return;
}
if (this->co2_sensor_ != nullptr)
this->co2_sensor_->publish_state(ppm);
}

11
esphome/components/senseair/senseair.h
View File

@@ -8,6 +8,17 @@
namespace esphome {
namespace senseair {
enum SenseAirStatus : uint8_t {
FATAL_ERROR = 1 << 0,
OFFSET_ERROR = 1 << 1,
ALGORITHM_ERROR = 1 << 2,
OUTPUT_ERROR = 1 << 3,
SELF_DIAGNOSTIC_ERROR = 1 << 4,
OUT_OF_RANGE_ERROR = 1 << 5,
MEMORY_ERROR = 1 << 6,
RESERVED = 1 << 7
};
class SenseAirComponent : public PollingComponent, public uart::UARTDevice {
public:
void set_co2_sensor(sensor::Sensor *co2_sensor) { co2_sensor_ = co2_sensor; }