diff options
Diffstat (limited to 'Java/com_phidgets_GPSPhidget.c')
| -rw-r--r-- | Java/com_phidgets_GPSPhidget.c | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/Java/com_phidgets_GPSPhidget.c b/Java/com_phidgets_GPSPhidget.c new file mode 100644 index 0000000..f2769d5 --- /dev/null +++ b/Java/com_phidgets_GPSPhidget.c @@ -0,0 +1,101 @@ +#include "../stdafx.h"
+#include "phidget_jni.h"
+#include "com_phidgets_GPSPhidget.h"
+#include "../cphidgetgps.h"
+
+static jclass irCode_class;
+static jmethodID irCode_getInstance;
+static jmethodID irCode_set;
+
+static jclass javaTimeZone_class; //class
+static jmethodID javaTimeZone_getTimeZone;
+
+EVENT_VARS(gpsPositionFixStatusChange, GPSPositionFixStatusChange)
+EVENT_VARS(gpsPositionChange, GPSPositionChange)
+
+JNI_LOAD(gps, GPS)
+
+ if (!(irCode_class = (*env)->FindClass(env,"java/util/Calendar")))
+ JNI_ABORT_STDERR("Couldn't FindClass java.util.Calendar");
+ if (!(irCode_class = (jclass)(*env)->NewGlobalRef(env, irCode_class)))
+ JNI_ABORT_STDERR("Couldn't create global ref irCode_class");
+ if (!(irCode_getInstance = (*env)->GetStaticMethodID(env, irCode_class, "getInstance", "(Ljava/util/TimeZone;)Ljava/util/Calendar;")))
+ JNI_ABORT_STDERR("Couldn't get method ID getInstance");
+ if (!(irCode_set = (*env)->GetMethodID(env, irCode_class, "set", "(II)V")))
+ JNI_ABORT_STDERR("Couldn't get method ID set");
+
+ if (!(javaTimeZone_class = (*env)->FindClass(env,"java/util/TimeZone")))
+ JNI_ABORT_STDERR("Couldn't FindClass java.util.TimeZone");
+ if (!(javaTimeZone_class = (jclass)(*env)->NewGlobalRef(env, javaTimeZone_class)))
+ JNI_ABORT_STDERR("Couldn't create global ref java.util.TimeZone");
+ if (!(javaTimeZone_getTimeZone = (*env)->GetStaticMethodID(env, javaTimeZone_class, "getTimeZone", "(Ljava/lang/String;)Ljava/util/TimeZone;")))
+ JNI_ABORT_STDERR("Couldn't get method ID from getTimeZone");
+
+ EVENT_VAR_SETUP(gps, gpsPositionFixStatusChange, GPSPositionFixStatusChange, Z, V)
+ EVENT_VAR_SETUP(gps, gpsPositionChange, GPSPositionChange, DDD, V)
+}
+
+EVENT_HANDLER(GPS, gpsPositionFixStatusChange, GPSPositionFixStatusChange, CPhidgetGPS_set_OnPositionFixStatusChange_Handler, int)
+EVENT_HANDLER_3(GPS, gpsPositionChange, GPSPositionChange, CPhidgetGPS_set_OnPositionChange_Handler, double, double, double)
+
+JNI_CREATE(GPS)
+
+JNI_GETFUNC(GPS, Latitude, Latitude, jdouble)
+JNI_GETFUNC(GPS, Longitude, Longitude, jdouble)
+JNI_GETFUNC(GPS, Altitude, Altitude, jdouble)
+JNI_GETFUNC(GPS, Heading, Heading, jdouble)
+JNI_GETFUNC(GPS, Velocity, Velocity, jdouble)
+JNI_GETFUNCBOOL(GPS, PositionFixStatus, PositionFixStatus)
+
+JNIEXPORT jobject JNICALL
+Java_com_phidgets_GPSPhidget_getDateAndTime(JNIEnv *env, jobject obj)
+{
+ CPhidgetGPSHandle h = (CPhidgetGPSHandle)(uintptr_t)(*env)->GetLongField( env, obj, handle_fid);
+ int error;
+ GPSTime cGPSTime;
+ GPSDate cGPSDate;
+ jobject GPSTimeAndDate, GPSTimeZone;
+
+ char* buf;
+
+ if ((error = CPhidgetGPS_getTime(h, &cGPSTime)))
+ {
+ PH_THROW(error);
+ return NULL;
+ }
+
+ if ((error = CPhidgetGPS_getDate(h, &cGPSDate)))
+ {
+ PH_THROW(error);
+ return NULL;
+ }
+
+ buf = "PST\0";
+ //create a Java abstract TimeZone object with a time zone of UTC
+ if(!(GPSTimeZone=(*env)->CallStaticObjectMethod(env, javaTimeZone_class, javaTimeZone_getTimeZone,
+ (*env)->NewStringUTF(env, buf)))){
+ PH_THROW(EPHIDGET_UNEXPECTED);
+ return NULL;
+ }
+
+ //calls the Java static method Calendar.getInstance object said TimeZone
+ if (!(GPSTimeAndDate = (*env)->CallStaticObjectMethod(env, irCode_class, irCode_getInstance, GPSTimeZone)))
+ {
+ PH_THROW(EPHIDGET_UNEXPECTED);
+ return NULL;
+ }
+
+ (*env)->CallVoidMethod(env, GPSTimeAndDate, irCode_set, 1, cGPSDate.tm_year); //year
+ (*env)->CallVoidMethod(env, GPSTimeAndDate, irCode_set, 2, (cGPSDate.tm_mon-1)); //month(0-11)
+ (*env)->CallVoidMethod(env, GPSTimeAndDate, irCode_set, 5, cGPSDate.tm_mday); //day(1-31)
+
+ (*env)->CallVoidMethod(env, GPSTimeAndDate, irCode_set, 11, (jint)cGPSTime.tm_hour); //hour(0-23)
+ (*env)->CallVoidMethod(env, GPSTimeAndDate, irCode_set, 12, cGPSTime.tm_min); //minute(0-59)
+ (*env)->CallVoidMethod(env, GPSTimeAndDate, irCode_set, 13, cGPSTime.tm_sec); //second(0-59)
+ (*env)->CallVoidMethod(env, GPSTimeAndDate, irCode_set, 14, cGPSTime.tm_ms); //milliseconds
+
+ return GPSTimeAndDate;
+}
+
+
+
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