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;
}
- 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;
+
+ 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 = 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;
}
public boolean matchProduct(int want_product) {
+ if (!isAltusMetrum())
+ return false;
+
if (want_product == Any)
return true;
if (want_product == BaseStation)
return matchProduct(TeleDongle) || matchProduct(TeleTerra);
- if (!isAltusMetrum())
- return false;
-
int have_product = getProduct();
- if (want_product == have_product)
+ if (have_product == AltusMetrum) /* old devices match any request */
return true;
- if (have_product != libaltosConstants.USB_PRODUCT_ALTUSMETRUM)
- return false;
-
- String name = getName();
+ if (want_product == have_product)
+ return true;
- if (name == null)
- return false;
- if (want_product == libaltosConstants.USB_PRODUCT_TELEMETRUM)
- return name.startsWith("TeleMetrum");
- if (want_product == libaltosConstants.USB_PRODUCT_TELEDONGLE)
- return name.startsWith("TeleDongle");
- if (want_product == libaltosConstants.USB_PRODUCT_TELETERRA)
- return name.startsWith("TeleTerra");
return false;
}
static AltosDevice[] list(int product) {
- if (!initialized)
+ if (!load_library())
return null;
SWIGTYPE_p_altos_list list = libaltos.altos_list_start();