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Java sensor poll and callback examples

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This commit is contained in:
Stefan Persson 2011-05-19 09:52:00 +00:00
parent 97e88a175f
commit a788753e8a
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examples/java/sensors/SensorsJNAPoll.java Normal file
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import java.io.*;
import com.sun.jna.Library;
import com.sun.jna.Native;
import com.sun.jna.ptr.*;
import java.util.Date;
public class SensorsJNAPoll
{
public interface CLibrary extends Library {
static int TELLSTICK_TEMPERATURE = 1;
static int TELLSTICK_HUMIDITY = 2;
void tdInit();
void tdClose();
int tdTurnOn(int deviceId);
int tdTurnOff(int deviceId);
int tdSensor(byte[] protocol, int protocolLength, byte[] model, int modelLength, IntByReference id,IntByReference dataTypes);
int tdSensorValue(byte[] protocol, byte[] model, int id, int dataType, byte[] value, int valueLength, IntByReference timestamp);
}
public static void main(String[] args)
{
CLibrary lib = (CLibrary)Native.loadLibrary("libtelldus-core.so.2", CLibrary.class);
lib.tdInit();
IntByReference id = new IntByReference();
IntByReference dataTypes = new IntByReference();
System.out.println("getting sensors");
System.out.println("");
byte protocol[] = new byte[20];
byte model[] = new byte[20];
//check every sensor
while(lib.tdSensor(protocol, 20, model, 20, id, dataTypes) == 0){
System.out.println("Sensor: " + Native.toString(protocol) + " " + Native.toString(model));
byte value[] = new byte[20];
IntByReference timestamp = new IntByReference();
if((dataTypes.getValue() & CLibrary.TELLSTICK_TEMPERATURE) != 0){
lib.tdSensorValue(protocol, model, id.getValue(), 1, value, 20, timestamp);
long timestampvalue = (long)timestamp.getValue() * 1000;
Date date = new Date(timestampvalue);
System.out.println("Temperature: " + Native.toString(value) + "C, " + date.toString());
}
if((dataTypes.getValue() & CLibrary.TELLSTICK_HUMIDITY) != 0){
lib.tdSensorValue(protocol, model, id.getValue(), 2, value, 20, timestamp);
long timestampvalue = (long)timestamp.getValue() * 1000;
Date date = new Date(timestampvalue);
System.out.println("Humidity: " + Native.toString(value) + "%, " + date.toString());
}
System.out.println("");
}
lib.tdClose();
}
}