You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
77 lines
1.7 KiB
77 lines
1.7 KiB
/*
|
|
|
|
ESPurna
|
|
DHT MODULE
|
|
|
|
Copyright (C) 2016 by Xose Pérez <xose dot perez at gmail dot com>
|
|
|
|
*/
|
|
|
|
#if ENABLE_DHT
|
|
|
|
#include <DHT.h>
|
|
#include <Adafruit_Sensor.h>
|
|
|
|
DHT dht(DHT_PIN, DHT_TYPE, DHT_TIMING);
|
|
|
|
char dhtTemperature[6];
|
|
char dhtHumidity[6];
|
|
|
|
// -----------------------------------------------------------------------------
|
|
// DHT
|
|
// -----------------------------------------------------------------------------
|
|
|
|
char * getDHTTemperature() {
|
|
return dhtTemperature;
|
|
}
|
|
|
|
char * getDHTHumidity() {
|
|
return dhtHumidity;
|
|
}
|
|
|
|
void dhtSetup() {
|
|
dht.begin();
|
|
}
|
|
|
|
void dhtLoop() {
|
|
|
|
if (!mqttConnected()) return;
|
|
|
|
// Check if we should read new data
|
|
static unsigned long last_update = 0;
|
|
if ((millis() - last_update > DHT_UPDATE_INTERVAL) || (last_update == 0)) {
|
|
last_update = millis();
|
|
|
|
// Read sensor data
|
|
double h = dht.readHumidity();
|
|
double t = dht.readTemperature();
|
|
|
|
// Check if readings are valid
|
|
if (isnan(h) || isnan(t)) {
|
|
|
|
DEBUG_MSG("[DHT] Error reading sensor\n");
|
|
|
|
} else {
|
|
|
|
dtostrf(t, 4, 1, dhtTemperature);
|
|
itoa((int) h, dhtHumidity, 10);
|
|
|
|
DEBUG_MSG("[DHT] Temperature: %s\n", dhtTemperature);
|
|
DEBUG_MSG("[DHT] Humidity: %s\n", dhtHumidity);
|
|
|
|
// Send MQTT messages
|
|
mqttSend(getSetting("dhtTmpTopic", DHT_TEMPERATURE_TOPIC).c_str(), dhtTemperature);
|
|
mqttSend(getSetting("dhtHumTopic", DHT_HUMIDITY_TOPIC).c_str(), dhtHumidity);
|
|
|
|
// Update websocket clients
|
|
char buffer[100];
|
|
sprintf_P(buffer, PSTR("{\"dhtVisible\": 1, \"dhtTmp\": %s, \"dhtHum\": %s}"), dhtTemperature, dhtHumidity);
|
|
wsSend(buffer);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
#endif
|