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108 lines
2.4 KiB
108 lines
2.4 KiB
10 years ago
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//int motionSense(){
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// int motionDetect = digitalRead(PIR_PIN);
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// if(DEBUG){
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// Serial.print("MOTION : ");
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// Serial.println(motionDetect);
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// }
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// return motionDetect;
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//}
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//int lightSense(){
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// int lightLevel = analogRead(LDR_PIN);
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// if(DEBUG){
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// Serial.print("LIGHT : ");
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// Serial.println(lightLevel);
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// }
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// return lightLevel;
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//}
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double getTemperature(){
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int chk = DHT.read11(TEMP_PIN);
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if(DEBUG){
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Serial.println("-------------------------------");
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Serial.println("Type,\tstatus,\tHumidity (%),\tTemperature (C)");
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Serial.print("DHT11, \t");
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switch (chk)
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{
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case DHTLIB_OK:
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Serial.print("OK,\t");
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break;
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case DHTLIB_ERROR_CHECKSUM:
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Serial.print("Checksum error,\t");
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break;
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case DHTLIB_ERROR_TIMEOUT:
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Serial.print("Time out error,\t");
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break;
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case DHTLIB_ERROR_CONNECT:
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Serial.print("Connect error,\t");
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break;
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case DHTLIB_ERROR_ACK_L:
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Serial.print("Ack Low error,\t");
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break;
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case DHTLIB_ERROR_ACK_H:
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Serial.print("Ack High error,\t");
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break;
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default:
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Serial.print("Unknown error,\t");
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break;
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}
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// DISPLAY DATA
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Serial.print("\t");
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Serial.print(DHT.temperature, 1);
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Serial.print(",\t\t");
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Serial.println(DHT.humidity, 1);
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Serial.println("-------------------------------");
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}
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return DHT.temperature;
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}
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int getSonar()
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{
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long duration, inches, cm;
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pinMode(SONAR_TRIG, OUTPUT);// attach pin 3 to Trig
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digitalWrite(SONAR_TRIG, LOW);
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delayMicroseconds(2);
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digitalWrite(SONAR_TRIG, HIGH);
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delayMicroseconds(5);
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digitalWrite(SONAR_TRIG, LOW);
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pinMode (SONAR_ECHO, INPUT);//attach pin 4 to Echo
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duration = pulseIn(SONAR_ECHO, HIGH);
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// convert the time into a distance
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inches = microsecondsToInches(duration);
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cm = microsecondsToCentimeters(duration);
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if(DEBUG){
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Serial.print("SONAR : ");
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Serial.print(cm);
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Serial.print(" , ");
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Serial.println(inches);
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Serial.println("-----------------------------------");
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}
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if (cm > MAX_DISTANCE || cm <= 0){
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//Serial.println("Out of range");
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noTone(BUZZER);
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return -1;
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} else {
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tone(BUZZER, BUZZER_SOUND);
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return cm;
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}
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}
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long microsecondsToInches(long microseconds){
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return microseconds / 74 / 2;
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}
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long microsecondsToCentimeters(long microseconds){
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return microseconds / 29 / 2;
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}
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