Files
dev/plugins/Beeper.java
2018-01-19 10:56:53 +01:00

73 lines
2.1 KiB
Java
Executable File

/*
* Copyright (c) 2014 Paul Scherrer Institute. All rights reserved.
*/
import ch.psi.pshell.device.*;
import com.sun.jna.Function;
import com.sun.jna.Native;
import com.sun.jna.Pointer;
import com.sun.jna.Structure;
import com.sun.jna.ptr.IntByReference;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIFunctionMapper;
import com.sun.jna.win32.W32APITypeMapper;
import java.util.HashMap;
import java.util.Map;
/**
*/
public class Beeper extends DeviceBase {
public Beeper(String name) {
super(name);
}
// JNA Mapping
static Map UNICODE_OPTIONS = new HashMap() {
{
put("type-mapper", W32APITypeMapper.UNICODE);
put("function-mapper", W32APIFunctionMapper.UNICODE);
}
};
interface Kernel32 extends StdCallLibrary {
public static final String LIBRARY_NAME = "kernel32";
Kernel32 INSTANCE = (Kernel32) Native.loadLibrary(LIBRARY_NAME, Kernel32.class, UNICODE_OPTIONS);
Kernel32 SYNC_INSTANCE = (Kernel32) Native.synchronizedLibrary(INSTANCE);
boolean Beep(int FREQUENCY, int DURATION);
void Sleep(int DURATION);
int CreateEventW(Pointer securityAttributes, boolean manualReset, boolean initialState, String name);
int CreateThread(/*Pointer*/int lpThreadAttributes, IntByReference dwStackSize, Function lpStartAddress, Structure lpParameter, int dwCreationFlags, IntByReference lpThreadId);
public static final int STILL_ACTIVE = 259;
int GetExitCodeThread(int hThread, IntByReference lpExitCode);
int GetLastError();
boolean CloseHandle(int handle);
}
private final int mEventHandle = Kernel32.INSTANCE.CreateEventW(Pointer.NULL, true, false, null);
//Public interface
public int getLastError(){
return Kernel32.SYNC_INSTANCE.GetLastError();
}
public void sleep(int duration){
Kernel32.SYNC_INSTANCE.Sleep(duration);
}
public void beep(int frequency, int duration){
Kernel32.SYNC_INSTANCE.Beep(frequency, duration);
}
}