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Code Issues Releases Wiki Activity

Remove floating point ops from the ISR (#2751)

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Co-authored-by: Samuel Sieb <samuel@sieb.net>
This commit is contained in:
Samuel Sieb
2021-11-21 15:11:36 -08:00
committed by Jesse Hills
parent 3a72dd5cb6
commit 980b7cda8f
2 changed files with 28 additions and 20 deletions
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40
esphome/components/zyaura/zyaura.cpp
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@@ -57,38 +57,46 @@ void IRAM_ATTR ZaSensorStore::interrupt(ZaSensorStore *arg) {
void IRAM_ATTR ZaSensorStore::set_data_(ZaMessage *message) { void IRAM_ATTR ZaSensorStore::set_data_(ZaMessage *message) {
switch (message->type) { switch (message->type) {
case HUMIDITY: case HUMIDITY:
this->humidity = (message->value > 10000) ? NAN : (message->value / 100.0f); this->humidity = message->value;
break; break;
case TEMPERATURE: case TEMPERATURE:
this->temperature = (message->value > 5970) ? NAN : (message->value / 16.0f - 273.15f); this->temperature = message->value;
break; break;
case CO2: case CO2:
this->co2 = (message->value > 10000) ? NAN : message->value; this->co2 = message->value;
break;
default:
break; break;
} }
} }
bool ZyAuraSensor::publish_state_(sensor::Sensor *sensor, float *value) { bool ZyAuraSensor::publish_state_(ZaDataType data_type, sensor::Sensor *sensor, uint16_t *data_value) {
// Sensor doesn't added to configuration // Sensor wasn't added to configuration
if (sensor == nullptr) { if (sensor == nullptr) {
return true; return true;
} }
sensor->publish_state(*value); float value = NAN;
switch (data_type) {
case HUMIDITY:
value = (*data_value > 10000) ? NAN : (*data_value / 100.0f);
break;
case TEMPERATURE:
value = (*data_value > 5970) ? NAN : (*data_value / 16.0f - 273.15f);
break;
case CO2:
value = (*data_value > 10000) ? NAN : *data_value;
break;
}
sensor->publish_state(value);
// Sensor reported wrong value // Sensor reported wrong value
if (std::isnan(*value)) { if (std::isnan(value)) {
ESP_LOGW(TAG, "Sensor reported invalid data. Is the update interval too small?"); ESP_LOGW(TAG, "Sensor reported invalid data. Is the update interval too small?");
this->status_set_warning(); this->status_set_warning();
return false; return false;
} }
*value = NAN; *data_value = -1;
return true; return true;
} }
@@ -104,9 +112,9 @@ void ZyAuraSensor::dump_config() {
} }
void ZyAuraSensor::update() { void ZyAuraSensor::update() {
bool co2_result = this->publish_state_(this->co2_sensor_, &this->store_.co2); bool co2_result = this->publish_state_(CO2, this->co2_sensor_, &this->store_.co2);
bool temperature_result = this->publish_state_(this->temperature_sensor_, &this->store_.temperature); bool temperature_result = this->publish_state_(TEMPERATURE, this->temperature_sensor_, &this->store_.temperature);
bool humidity_result = this->publish_state_(this->humidity_sensor_, &this->store_.humidity); bool humidity_result = this->publish_state_(HUMIDITY, this->humidity_sensor_, &this->store_.humidity);
if (co2_result && temperature_result && humidity_result) { if (co2_result && temperature_result && humidity_result) {
this->status_clear_warning(); this->status_clear_warning();

8
esphome/components/zyaura/zyaura.h
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@@ -42,9 +42,9 @@ class ZaDataProcessor {
class ZaSensorStore { class ZaSensorStore {
public: public:
float co2 = NAN; uint16_t co2 = -1;
float temperature = NAN; uint16_t temperature = -1;
float humidity = NAN; uint16_t humidity = -1;
void setup(InternalGPIOPin *pin_clock, InternalGPIOPin *pin_data); void setup(InternalGPIOPin *pin_clock, InternalGPIOPin *pin_data);
static void interrupt(ZaSensorStore *arg); static void interrupt(ZaSensorStore *arg);
@@ -79,7 +79,7 @@ class ZyAuraSensor : public PollingComponent {
sensor::Sensor *temperature_sensor_{nullptr}; sensor::Sensor *temperature_sensor_{nullptr};
sensor::Sensor *humidity_sensor_{nullptr}; sensor::Sensor *humidity_sensor_{nullptr};
bool publish_state_(sensor::Sensor *sensor, float *value); bool publish_state_(ZaDataType data_type, sensor::Sensor *sensor, uint16_t *data_value);
}; };
} // namespace zyaura } // namespace zyaura