75 lines
1.6 KiB
Java
75 lines
1.6 KiB
Java
import com.sun.jna.Library;
|
|
import com.sun.jna.Native;
|
|
import com.sun.jna.Pointer;
|
|
import com.sun.jna.Memory;
|
|
|
|
public class SSS7 {
|
|
private static SSS7 instance = null;
|
|
|
|
public static SSS7 getInstance() {
|
|
if(instance == null) {
|
|
instance = new SSS7();
|
|
}
|
|
return instance;
|
|
}
|
|
|
|
private interface NativeSSS7 extends Library {
|
|
public int libsss7_start(String serialport);
|
|
public int libsss7_can_send();
|
|
public void libsss7_send(Pointer data);
|
|
public int libsss7_send_failed();
|
|
public int libsss7_has_received();
|
|
public void libsss7_get_received(Pointer data);
|
|
public void libsss7_stop();
|
|
};
|
|
|
|
public final int payloadLength = 16;
|
|
|
|
private NativeSSS7 lib;
|
|
private String serial;
|
|
|
|
protected SSS7() {
|
|
this.lib = (NativeSSS7) Native.loadLibrary("libsss7.so", NativeSSS7.class);
|
|
}
|
|
|
|
public boolean start(String serial) {
|
|
return this.lib.libsss7_start(this.serial) == 0;
|
|
}
|
|
|
|
public boolean canSend() {
|
|
return this.lib.libsss7_can_send() == 1;
|
|
}
|
|
|
|
public void send(byte[] data) {
|
|
Pointer p = new Memory(this.payloadLength);
|
|
for(long i = 0; i < this.payloadLength; i++) {
|
|
if(i < data.length) {
|
|
p.setByte(i, data[(int) i]);
|
|
}
|
|
else {
|
|
p.setByte(i, (byte) 0);
|
|
}
|
|
}
|
|
|
|
this.lib.libsss7_send(p);
|
|
}
|
|
|
|
public boolean sendFailed() {
|
|
return this.lib.libsss7_send_failed() == 1;
|
|
}
|
|
|
|
public boolean hasReceived() {
|
|
return this.lib.libsss7_has_received() == 1;
|
|
}
|
|
|
|
public byte[] getReceived() {
|
|
Pointer p = new Memory(this.payloadLength);
|
|
this.lib.libsss7_get_received(p);
|
|
return p.getByteArray(0, this.payloadLength);
|
|
}
|
|
|
|
public void stop() {
|
|
this.lib.libsss7_stop();
|
|
}
|
|
}
|