Add support for rain sensors like FC-37 or YL-83

main
Gergely Polonkai 2 years ago
parent c9f3eee656
commit b7a808eaa3
No known key found for this signature in database
GPG Key ID: 2D2885533B869ED4

@ -44,6 +44,10 @@ float temperature = 0.0;
float humidity = 0.0;
#endif // DHT_TYPE
#ifdef RAIN_PIN
bool raining = false;
#endif // RAIN_PIN
static const char TEXT_PLAIN[] PROGMEM = "text/plain";
void
@ -56,13 +60,17 @@ void
send_metrics()
{
static const size_t dht_size = 228;
char message[dht_size + 1];
static const size_t rain_size = 86;
size_t message_size =
#ifdef DHT_TYPE
dht_size +
#endif // DHT_TYPE
#ifdef RAIN_PIN
rain_size +
#endif // RAIN_PIN
1;
char message[message_size];
snprintf(message, message_size,
#ifdef DHT_TYPE
@ -71,9 +79,19 @@ send_metrics()
"temperature_celsius %.2f\n"
"# HELP relative_humidity Relative humidity, in percents\n"
"# TYPE relative_humidity gauge\n"
"relative_humidity %.2f\n",
temperature, humidity
"relative_humidity %.2f\n"
#endif // DHT_TYPE
#ifdef RAIN_PIN
"# HELP raining Boolean value checking if it is raining\n"
"# TYPE raining gauge\n"
"raining %d\n"
#endif // RAIN_PIN
#ifdef DHT_TYPE
, temperature, humidity
#endif // DHT_TYPE
#ifdef RAIN_PIN
, raining ? 1 : 0
#endif // RAIN_PIN
);
server.send(200, "text/plain; version=0.0.4; charset=utf-8", message);
@ -119,6 +137,10 @@ setup()
dht.begin();
#endif // DHT_TYPE
#ifdef RAIN_PIN
pinMode(RAIN_PIN, INPUT);
#endif // RAIN_PIN
Serial.println("All set, starting the loop.");
}
@ -133,6 +155,10 @@ read_sensors()
humidity = dht.readHumidity();
#endif
#ifdef RAIN_PIN
raining = (digitalRead(RAIN_PIN) == HIGH);
#endif
// Turn off the LED to indicate work is finished
digitalWrite(LED_BUILTIN, HIGH);
}

@ -47,3 +47,9 @@
//#define DHT_TYPE DHT11
//#define DHT_TYPE DHT22
//#define DHT_PIN D5
// If you have a rain sensor (FC-37 or YL-83), connect its digital pin (not the
// analogue one!), remove the #undef line, and uncomment and change the
// #define RAIN_PIN line
#undef RAIN_PIN
//#define RAIN_PIN D0

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