35 lines
689 B
C++
35 lines
689 B
C++
#if DHT_SENSOR
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#include <DHT.h>
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#define DHT11_PIN 12
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#define READ_INTERVAL(c) (c*60*1000UL) // read interval in minutes
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DHT dht = DHT(DHT11_PIN, DHT11);
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unsigned long currentTime = 0;
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namespace Dht {
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void setup() {
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dht.begin();
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}
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void read(JsonDocument& jsonDoc) {
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currentTime = millis();
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static unsigned long lastReadTime = 0;
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if (currentTime > lastReadTime) {
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lastReadTime = currentTime + READ_INTERVAL(5);
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JsonObject dht11 = jsonDoc.createNestedObject("dht11");
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dht11["temperature"] = dht.readTemperature();
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dht11["humidity"] = dht.readHumidity();
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}
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}
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}
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#else
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namespace Dht {
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void setup() {
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}
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void read(JsonDocument& jsonDoc) {
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}
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}
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#endif |