mirror of
https://github.com/meshtastic/firmware.git
synced 2025-05-11 23:50:49 +00:00
9632e4c405
* DF Robot Lark weather station support * Missed it * I am a man of const char sorrow... * Strang * Use our fork * Add excludes
65 lines
1.9 KiB
C++
65 lines
1.9 KiB
C++
#include "configuration.h"
|
|
|
|
#if !MESHTASTIC_EXCLUDE_ENVIRONMENTAL_SENSOR
|
|
|
|
#include "../mesh/generated/meshtastic/telemetry.pb.h"
|
|
#include "TelemetrySensor.h"
|
|
#include "VEML7700Sensor.h"
|
|
|
|
#include <Adafruit_VEML7700.h>
|
|
#include <typeinfo>
|
|
|
|
VEML7700Sensor::VEML7700Sensor() : TelemetrySensor(meshtastic_TelemetrySensorType_VEML7700, "VEML7700") {}
|
|
|
|
int32_t VEML7700Sensor::runOnce()
|
|
{
|
|
LOG_INFO("Init sensor: %s\n", sensorName);
|
|
if (!hasSensor()) {
|
|
return DEFAULT_SENSOR_MINIMUM_WAIT_TIME_BETWEEN_READS;
|
|
}
|
|
status = veml7700.begin(nodeTelemetrySensorsMap[sensorType].second);
|
|
|
|
veml7700.setLowThreshold(10000);
|
|
veml7700.setHighThreshold(20000);
|
|
veml7700.interruptEnable(true);
|
|
|
|
return initI2CSensor();
|
|
}
|
|
|
|
void VEML7700Sensor::setup() {}
|
|
|
|
/*!
|
|
* @brief Copmute lux from ALS reading.
|
|
* @param rawALS raw ALS register value
|
|
* @param corrected if true, apply non-linear correction
|
|
* @return lux value
|
|
*/
|
|
float VEML7700Sensor::computeLux(uint16_t rawALS, bool corrected)
|
|
{
|
|
float lux = getResolution() * rawALS;
|
|
if (corrected)
|
|
lux = (((6.0135e-13 * lux - 9.3924e-9) * lux + 8.1488e-5) * lux + 1.0023) * lux;
|
|
return lux;
|
|
}
|
|
|
|
/*!
|
|
* @brief Determines resolution for current gain and integration time
|
|
* settings.
|
|
*/
|
|
float VEML7700Sensor::getResolution(void)
|
|
{
|
|
return MAX_RES * (IT_MAX / veml7700.getIntegrationTimeValue()) * (GAIN_MAX / veml7700.getGainValue());
|
|
}
|
|
|
|
bool VEML7700Sensor::getMetrics(meshtastic_Telemetry *measurement)
|
|
{
|
|
int16_t white;
|
|
measurement->variant.environment_metrics.lux = veml7700.readLux(VEML_LUX_AUTO);
|
|
white = veml7700.readWhite(true);
|
|
measurement->variant.environment_metrics.white_lux = computeLux(white, white > 100);
|
|
LOG_INFO("white lux %f, als lux %f\n", measurement->variant.environment_metrics.white_lux,
|
|
measurement->variant.environment_metrics.lux);
|
|
|
|
return true;
|
|
}
|
|
#endif |