public class AltosDevice extends altos_device {
- static boolean initialized = false;
- static {
- try {
- System.loadLibrary("altos");
- libaltos.altos_init();
+ static public boolean initialized = false;
+ static public boolean loaded_library = false;
+
+ public static boolean load_library() {
+ if (!initialized) {
+ try {
+ System.loadLibrary("altos");
+ libaltos.altos_init();
+ loaded_library = true;
+ } catch (UnsatisfiedLinkError e) {
+ loaded_library = false;
+ }
initialized = true;
- } catch (UnsatisfiedLinkError e) {
- System.err.println("Native library failed to load.\n" + e);
}
+ return loaded_library;
+ }
+
+ static int usb_product_altusmetrum() {
+ if (load_library())
+ return libaltosConstants.USB_PRODUCT_ALTUSMETRUM;
+ return 0x000a;
+ }
+
+ static int usb_product_altusmetrum_min() {
+ if (load_library())
+ return libaltosConstants.USB_PRODUCT_ALTUSMETRUM_MIN;
+ return 0x000a;
+ }
+
+ static int usb_product_altusmetrum_max() {
+ if (load_library())
+ return libaltosConstants.USB_PRODUCT_ALTUSMETRUM_MAX;
+ return 0x000d;
+ }
+
+ static int usb_product_telemetrum() {
+ if (load_library())
+ return libaltosConstants.USB_PRODUCT_TELEMETRUM;
+ return 0x000b;
+ }
+
+ static int usb_product_teledongle() {
+ if (load_library())
+ return libaltosConstants.USB_PRODUCT_ALTUSMETRUM;
+ return 0x000c;
+ }
+
+ static int usb_product_teleterra() {
+ if (load_library())
+ return libaltosConstants.USB_PRODUCT_ALTUSMETRUM;
+ return 0x000d;
}
- public final static int AltusMetrum = libaltosConstants.USB_PRODUCT_ALTUSMETRUM;
- public final static int TeleMetrum = libaltosConstants.USB_PRODUCT_TELEMETRUM;
- public final static int TeleDongle = libaltosConstants.USB_PRODUCT_TELEDONGLE;
- public final static int TeleTerra = libaltosConstants.USB_PRODUCT_TELETERRA;
+
+ public final static int AltusMetrum = usb_product_altusmetrum();
+ public final static int TeleMetrum = usb_product_telemetrum();
+ public final static int TeleDongle = usb_product_teledongle();
+ public final static int TeleTerra = usb_product_teleterra();
+ public final static int AltusMetrumMin = usb_product_altusmetrum_min();
+ public final static int AltusMetrumMax = usb_product_altusmetrum_max();
+
+
public final static int Any = 0x10000;
public final static int BaseStation = 0x10000 + 1;
}
public boolean isAltusMetrum() {
- if (getVendor() != libaltosConstants.USB_VENDOR_ALTUSMETRUM)
+ if (getVendor() != AltusMetrum)
return false;
- if (getProduct() < libaltosConstants.USB_PRODUCT_ALTUSMETRUM_MIN)
+ if (getProduct() < AltusMetrumMin)
return false;
- if (getProduct() > libaltosConstants.USB_PRODUCT_ALTUSMETRUM_MAX)
+ if (getProduct() > AltusMetrumMax)
return false;
return true;
}
}
static AltosDevice[] list(int product) {
- if (!initialized)
+ if (!load_library())
return null;
SWIGTYPE_p_altos_list list = libaltos.altos_list_start();
dialog.setVisible(true);
return value;
} else {
- JOptionPane.showMessageDialog(frame,
- "No AltOS devices available",
- "No AltOS devices",
- JOptionPane.ERROR_MESSAGE);
+ /* check for missing altos JNI library, which
+ * will put up its own error dialog
+ */
+ if (AltosUI.load_library(frame)) {
+ JOptionPane.showMessageDialog(frame,
+ "No AltOS devices available",
+ "No AltOS devices",
+ JOptionPane.ERROR_MESSAGE);
+ }
return null;
}
}
public AltosVoice voice = new AltosVoice();
+ public static boolean load_library(Frame frame) {
+ if (!AltosDevice.load_library()) {
+ JOptionPane.showMessageDialog(frame,
+ String.format("No AltOS library in \"%s\"",
+ System.getProperty("java.library.path","<undefined>")),
+ "Cannot load device access library",
+ JOptionPane.ERROR_MESSAGE);
+ return false;
+ }
+ return true;
+ }
+
public AltosUI() {
+ load_library(null);
+
String[] statusNames = { "Height (m)", "State", "RSSI (dBm)", "Speed (m/s)" };
Object[][] statusData = { { "0", "pad", "-50", "0" } };
JAVAROOT=classes
AM_JAVACFLAGS=-encoding UTF-8
+altoslibdir=$(libdir)/altos
+
CLASSPATH_ENV=mkdir -p $(JAVAROOT); CLASSPATH=".:classes:../libaltos:$(FREETTS)/*:/usr/share/java/*"
bin_SCRIPTS=altosui
altosui: Makefile
echo "#!/bin/sh" > $@
- echo 'exec java -cp "$(FREETTS)/*" -Djava.library.path="$(libdir)" -jar "$(altosuidir)/altosui.jar" "$$@"' >> $@
+ echo 'exec java -cp "$(FREETTS)/*" -Djava.library.path="$(altoslibdir)" -jar "$(altosuidir)/altosui.jar" "$$@"' >> $@
chmod +x $@
altosui-test: Makefile
echo "#!/bin/sh" > $@
- echo 'exec java -cp "$(FREETTS)/*" -Djava.library.path="../libaltos" -jar altosui.jar "$$*"' >> $@
+ echo 'exec java -cp "$(FREETTS)/*" -Djava.library.path="../libaltos/.libs" -jar altosui.jar "$$@"' >> $@
chmod +x $@
$(LIBALTOS):
JAVAC=javac
-AM_CFLAGS="-I$(JVM_INCLUDE)"
+AM_CFLAGS=-DLINUX -DPOSIX_TTY -I$(JVM_INCLUDE)
AM_JAVACFLAGS=-encoding UTF-8
-lib_LTLIBRARIES=libaltos.la
+altoslibdir=$(libdir)/altos
+
+altoslib_LTLIBRARIES=libaltos.la
+
+libaltos_la_LDFLAGS = -version-info 1:0:1
libaltos_la_SOURCES=\
- libaltos.c
+ libaltos.c \
+ libaltos_wrap.c
+
+noinst_PROGRAMS=cjnitest
+
+cjnitest_LDADD=libaltos.la
+
+LIBS=
HFILES=libaltos.h
all-local: classlibaltos.stamp
+libaltos_wrap.c: classlibaltos.stamp
+
classlibaltos.stamp: $(SWIG_FILE)
swig -java -package libaltosJNI $(SWIG_FILE)
mkdir -p libaltosJNI
touch classlibaltos.stamp
clean-local:
- -rm -rf libaltosJNI *.class *.java classlibaltos.stamp $(SWIG_FILE)
\ No newline at end of file
+ -rm -rf libaltosJNI *.class *.java classlibaltos.stamp $(SWIG_FILE) libaltos_wrap.c
AC_MSG_RESULT([$JVM_INCLUDE])
fi
+AC_SUBST(JVM_INCLUDE)
+
AC_PROG_CC
AC_PROG_INSTALL
AC_PROG_LN_S