weatherstation/firmware/sensors.ino

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int anemometerRotations = 0;
unsigned long currentTime = 0;
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float fetchTemperature() {
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//return 10;
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return bme.readTemperature();
}
float fetchPressure() {
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//return 10;
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return bme.readPressure() / 100.0F;
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}
float fetchHumidity() {
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return bme.readHumidity();
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}
float fetchLight() {
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uint16_t red, green, blue, white;
while(!apds.colorDataReady()) {
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delay(5);
}
apds.getColorData(&red, &green, &blue, &white);
return white;
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}
void _anemometerInterrupt() {
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anemometerRotations++;
#ifdef DEBUG
Serial.print("*");
#endif
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}
float fetchWindspeed() {
anemometerRotations = 0;
currentTime = millis();
int interruptNumber = digitalPinToInterrupt(ANEMOMETER_PIN);
attachInterrupt(interruptNumber, _anemometerInterrupt, RISING);
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delay(1000 * 5);
detachInterrupt(interruptNumber);
return (float)anemometerRotations / 5.0 * 2.4;
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}
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// Copied from https://arduinodiy.wordpress.com/2016/12/25/monitoring-lipo-battery-voltage-with-wemos-d1-minibattery-shield-and-thingspeak/
float getBatteryVoltage() {
uint16_t raw = analogRead(A0);
float volt = raw / 1023.0;
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return volt * 4.2;
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}
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