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_vendor_altusmetrum() {
+ if (load_library())
+ return libaltosConstants.USB_VENDOR_ALTUSMETRUM;
+ return 0x000a;
+ }
+
+ 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_TELEDONGLE;
+ return 0x000c;
+ }
+
+ static int usb_product_teleterra() {
+ if (load_library())
+ return libaltosConstants.USB_PRODUCT_TELETERRA;
+ 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;
- public final static int Any = 0x10000;
- public final static int BaseStation = 0x10000 + 1;
+
+ public final static int vendor_altusmetrum = usb_vendor_altusmetrum();
+ public final static int product_altusmetrum = usb_product_altusmetrum();
+ public final static int product_telemetrum = usb_product_telemetrum();
+ public final static int product_teledongle = usb_product_teledongle();
+ public final static int product_teleterra = usb_product_teleterra();
+ public final static int product_altusmetrum_min = usb_product_altusmetrum_min();
+ public final static int product_altusmetrum_max = usb_product_altusmetrum_max();
+
+
+ public final static int product_any = 0x10000;
+ public final static int product_basestation = 0x10000 + 1;
public String toString() {
String name = getName();
}
public boolean isAltusMetrum() {
- if (getVendor() != libaltosConstants.USB_VENDOR_ALTUSMETRUM)
+ if (getVendor() != vendor_altusmetrum)
return false;
- if (getProduct() < libaltosConstants.USB_PRODUCT_ALTUSMETRUM_MIN)
+ if (getProduct() < product_altusmetrum_min)
return false;
- if (getProduct() > libaltosConstants.USB_PRODUCT_ALTUSMETRUM_MAX)
+ if (getProduct() > product_altusmetrum_max)
return false;
return true;
}
public boolean matchProduct(int want_product) {
- if (want_product == Any)
- return true;
-
- if (want_product == BaseStation)
- return matchProduct(TeleDongle) || matchProduct(TeleTerra);
-
if (!isAltusMetrum())
return false;
+ if (want_product == product_any)
+ return true;
+
+ if (want_product == product_basestation)
+ return matchProduct(product_teledongle) || matchProduct(product_teleterra);
+
int have_product = getProduct();
- if (want_product == have_product)
+ if (have_product == 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();