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- // Enable debug prints
- #define MY_DEBUG
- // #define MY_TRANSPORT_WAIT_READY_MS 1
- // Enable and select radio type attached
- #define MY_RADIO_NRF24
- #include <SPI.h>
- #include <Adafruit_Sensor.h>
- #include <DHT.h>
- #include <DHT_U.h>
- #include <MyConfig.h>
- #include <MySensors.h>
- #define DHTPIN 2
- #define DHTTYPE DHT22 // DHT 22 (AM2302)
- // Set this offset if the sensor has a permanent small offset to the real temperatures
- #define SENSOR_TEMP_OFFSET 0
- #define CHILD_ID_HUM 0
- #define CHILD_ID_TEMP 1
- // Sleep time between sensor updates (in milliseconds)
- // Must be >1000ms for DHT22 and >2000ms for DHT11
- static const uint64_t UPDATE_INTERVAL = 3000;
- DHT_Unified dht(DHTPIN, DHTTYPE);
- uint32_t delayMS;
- bool metric = true;
- MyMessage msgHum(CHILD_ID_HUM, V_HUM);
- MyMessage msgTemp(CHILD_ID_TEMP, V_TEMP);
- void presentation()
- {
- // Send the sketch version information to the gateway
- sendSketchInfo("TemperatureAndHumidity", "1.1");
- // Register all sensors to gw (they will be created as child devices)
- present(CHILD_ID_HUM, S_HUM);
- present(CHILD_ID_TEMP, S_TEMP);
- metric = getControllerConfig().isMetric;
- }
- void setup() {
- // Initialize device.
- dht.begin();
- // Serial.begin(115200);
- Serial.println("DHTxx Unified Sensor Example");
- // Print temperature sensor details.
- sensor_t sensor;
- dht.temperature().getSensor(&sensor);
- Serial.println("------------------------------------");
- Serial.println("Temperature");
- Serial.print ("Sensor: "); Serial.println(sensor.name);
- Serial.print ("Driver Ver: "); Serial.println(sensor.version);
- Serial.print ("Unique ID: "); Serial.println(sensor.sensor_id);
- Serial.print ("Max Value: "); Serial.print(sensor.max_value); Serial.println(" *C");
- Serial.print ("Min Value: "); Serial.print(sensor.min_value); Serial.println(" *C");
- Serial.print ("Resolution: "); Serial.print(sensor.resolution); Serial.println(" *C");
- Serial.println("------------------------------------");
- // Print humidity sensor details.
- dht.humidity().getSensor(&sensor);
- Serial.println("------------------------------------");
- Serial.println("Humidity");
- Serial.print ("Sensor: "); Serial.println(sensor.name);
- Serial.print ("Driver Ver: "); Serial.println(sensor.version);
- Serial.print ("Unique ID: "); Serial.println(sensor.sensor_id);
- Serial.print ("Max Value: "); Serial.print(sensor.max_value); Serial.println("%");
- Serial.print ("Min Value: "); Serial.print(sensor.min_value); Serial.println("%");
- Serial.print ("Resolution: "); Serial.print(sensor.resolution); Serial.println("%");
- Serial.println("------------------------------------");
- // Set delay between sensor readings based on sensor details.
- delayMS = UPDATE_INTERVAL;
- }
- void loop() {
- // Delay between measurements.
- delay(delayMS);
- // Get temperature event and print its value.
- sensors_event_t event;
- dht.temperature().getEvent(&event);
- if (isnan(event.temperature)) {
- Serial.println("Error reading temperature!");
- }
- else {
- Serial.print("Temperature: ");
- Serial.print(event.temperature);
- Serial.println(" *C");
- float temperature = event.temperature;
- send(msgTemp.set(temperature, 1));
- }
- // Get humidity event and print its value.
- dht.humidity().getEvent(&event);
- if (isnan(event.relative_humidity)) {
- Serial.println("Error reading humidity!");
- }
- else {
- Serial.print("Humidity: ");
- Serial.print(event.relative_humidity);
- Serial.println("%");
- float humidity = event.relative_humidity;
- send(msgHum.set(humidity, 1));
- }
- }
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