/*
 * acquire_Glove5DT.cpp
 *
 *  Created on: 14 Apr 2010
 *      Author: Michael Lones
 */

#include <jni.h>
#include "acquire_Glove5DT.h"
#include <stdio.h>
#include "fglove.h"

fdGlove *glove;
unsigned short *gloveData;
int numSensors;

/*
 * Class:     barnsley_acquire_Glove5DT
 * Method:    fdOpen
 * Signature: (Ljava/lang/String;)I
 */
JNIEXPORT jint JNICALL Java_barnsley_acquire_Glove5DT_fdOpen
  (JNIEnv *env, jclass cls, jstring port) {
	const char *port_cstr = env->GetStringUTFChars(port, 0);
	glove = fdOpen(const_cast<char *>(port_cstr));
	env->ReleaseStringUTFChars(port, port_cstr);

	if(glove==NULL)
		return -1;

	// make data buffer
	numSensors = fdGetNumSensors(glove);
	gloveData = new unsigned short[numSensors];

	return 0;
}

/*
 * Class:     barnsley_acquire_Glove5DT
 * Method:    fdClose
 * Signature: ()I
 */
JNIEXPORT jint JNICALL Java_barnsley_acquire_Glove5DT_fdClose
  (JNIEnv *env, jclass cls) {
	fdClose(glove);
}

/*
 * Class:     barnsley_acquire_Glove5DT
 * Method:    fdGetNumSensors
 * Signature: ()I
 */
JNIEXPORT jint JNICALL Java_barnsley_acquire_Glove5DT_fdGetNumSensors
  (JNIEnv *env , jclass cls) {
	return numSensors;
}

/*
 * Class:     barnsley_acquire_Glove5DT
 * Method:    fdGetSensorRawAll
 * Signature: ([I)V
 */
JNIEXPORT void JNICALL Java_barnsley_acquire_Glove5DT_fdGetSensorRawAll
  (JNIEnv *env, jclass cls, jintArray data) {
	fdGetSensorRawAll(glove, gloveData);
	env->SetIntArrayRegion(data, 0, numSensors, (const jint*)gloveData);
}

/*
 * Class:     barnsley_acquire_Glove5DT
 * Method:    fdNewData
 * Signature: ()Z
 */
JNIEXPORT jboolean JNICALL Java_barnsley_acquire_Glove5DT_fdNewData
  (JNIEnv *env, jclass cls) {
	return fdNewData(glove);
}