void ProcessFeatureReport( const uint8_t *pBuf, size_t nBufSize )
{
hid_mutex_guard cvl( &m_cvLock );
if ( m_bIsWaitingForFeatureReport )
{
m_featureReport.assign( pBuf, nBufSize );
m_bIsWaitingForFeatureReport = false;
m_nFeatureReportError = 0;
pthread_cond_signal( &m_cv );
}
}
bool BOpen()
{
// Make sure thread is attached to JVM/env
JNIEnv *env;
g_JVM->AttachCurrentThread( &env, NULL );
pthread_setspecific( g_ThreadKey, (void*)env );
m_bIsWaitingForOpen = false;
m_bOpenResult = env->CallBooleanMethod( g_HIDDeviceManagerCallbackHandler, g_midHIDDeviceManagerOpen, m_nId );
if ( m_bIsWaitingForOpen )
{
hid_mutex_guard cvl( &m_cvLock );
const int OPEN_TIMEOUT_SECONDS = 60;
struct timespec ts, endtime;
clock_gettime( CLOCK_REALTIME, &ts );
endtime = ts;
endtime.tv_sec += OPEN_TIMEOUT_SECONDS;
do
{
if ( pthread_cond_timedwait( &m_cv, &m_cvLock, &endtime ) != 0 )
{
break;
}
}
while ( m_bIsWaitingForOpen && get_timespec_ms( ts ) < get_timespec_ms( endtime ) );
}
if ( !m_bOpenResult )
{
if ( m_bIsWaitingForOpen )
{
LOGV( "Device open failed - timed out waiting for device permission" );
}
else
{
LOGV( "Device open failed" );
}
return false;
}
m_pDevice = new hid_device;
m_pDevice->nId = m_nId;
m_nDeviceRefCount = 1;
return true;
}
int GetFeatureReport( unsigned char *pData, size_t nDataLen )
{
// Make sure thread is attached to JVM/env
JNIEnv *env;
g_JVM->AttachCurrentThread( &env, NULL );
pthread_setspecific( g_ThreadKey, (void*)env );
{
hid_mutex_guard cvl( &m_cvLock );
if ( m_bIsWaitingForFeatureReport )
{
LOGV( "Get feature report already ongoing... bail" );
return -1; // Read already ongoing, we currently do not serialize, TODO
}
m_bIsWaitingForFeatureReport = true;
}
jbyteArray pBuf = NewByteArray( env, pData, nDataLen );
int nRet = env->CallBooleanMethod( g_HIDDeviceManagerCallbackHandler, g_midHIDDeviceManagerGetFeatureReport, m_nId, pBuf ) ? 0 : -1;
env->DeleteLocalRef( pBuf );
if ( nRet < 0 )
{
LOGV( "GetFeatureReport failed" );
m_bIsWaitingForFeatureReport = false;
return -1;
}
{
hid_mutex_guard cvl( &m_cvLock );
if ( m_bIsWaitingForFeatureReport )
{
LOGV("=== Going to sleep" );
// Wait in CV until we are no longer waiting for a feature report.
const int FEATURE_REPORT_TIMEOUT_SECONDS = 2;
struct timespec ts, endtime;
clock_gettime( CLOCK_REALTIME, &ts );
endtime = ts;
endtime.tv_sec += FEATURE_REPORT_TIMEOUT_SECONDS;
do
{
if ( pthread_cond_timedwait( &m_cv, &m_cvLock, &endtime ) != 0 )
{
break;
}
}
while ( m_bIsWaitingForFeatureReport && get_timespec_ms( ts ) < get_timespec_ms( endtime ) );
// We are back
if ( m_bIsWaitingForFeatureReport )
{
m_nFeatureReportError = -ETIMEDOUT;
m_bIsWaitingForFeatureReport = false;
}
LOGV( "=== Got feature report err=%d", m_nFeatureReportError );
if ( m_nFeatureReportError != 0 )
{
return m_nFeatureReportError;
}
}
size_t uBytesToCopy = m_featureReport.size() > nDataLen ? nDataLen : m_featureReport.size();
memcpy( pData, m_featureReport.data(), uBytesToCopy );
m_featureReport.clear();
LOGV( "=== Got %u bytes", uBytesToCopy );
return uBytesToCopy;
}
}
bool VectorTest::performTest()
{
srand((unsigned)time(NULL));
const Elem cv_data[] = { 1, 2, 3 };
const Elem rv_data[] = { -4, 0, 8 };
ColVector cv(3, cv_data);
RowVector rv(3, rv_data);
cout << "Vector cv: " << cv << endl
<< "Vector rv: " << rv << endl;
// Shift
{
const Elem cv_left[] = { 2, 3, 0 };
const Elem cv_right[] = { 0, 1, 2 };
ColVector cvl(cv);
cvl.shiftLeft();
cout << "Vector rv shifted left: " << cvl << endl;
if (ColVector(3, cv_left) != cvl) return false;
ColVector cvr(cv);
cvr.shiftRight();
cout << "Vector rv shifted right: " << cvr << endl;
if (ColVector(3, cv_right) != cvr) return false;
}
// rv + rv
{
RowVector result = rv + rv;
cout << "rv + rv = " << result << endl;
for (unsigned int i = 0; i < rv.dim(); i++) {
if (!epsilonCheck(result(i), rv(i) + rv(i)))
return false;
}
}
// rv - rv
{
RowVector result = rv - rv;
cout << "rv - rv = " << result << endl;
for (unsigned int i = 0; i < rv.dim(); i++) {
if (!epsilonCheck(result(i), rv(i) - rv(i)))
return false;
}
}
// cv + cv
{
ColVector result = cv + cv;
cout << "cv + cv = " << result << endl;
for (unsigned int i = 0; i < cv.dim(); i++) {
if (!epsilonCheck(result(i), cv(i) + cv(i)))
return false;
}
}
// cv - cv
{
ColVector result = cv - cv;
cout << "cv - cv = " << result << endl;
for (unsigned int i = 0; i < cv.dim(); i++) {
if (!epsilonCheck(result(i), cv(i) - cv(i)))
return false;
}
}
// Operators += and -=
{
ColVector cvc(cv);
cout << "cvc = " << cvc << endl;
cvc += cv;
cout << "cvc += cv => " << cvc << endl;
if (!epsilonCheck(cvc(0), 2) ||
!epsilonCheck(cvc(1), 4) ||
!epsilonCheck(cvc(2), 6))
return false;
cvc -= cv;
cout << "cvc -= cv => " << cvc << endl;
if (!epsilonCheck(cvc(0), 1) ||
!epsilonCheck(cvc(1), 2) ||
!epsilonCheck(cvc(2), 3))
return false;
RowVector rvc(rv); // -4 0 8
cout << "rvc = " << rvc << endl;
rvc += rv;
cout << "rvc += rv => " << rvc << endl;
if (!epsilonCheck(rvc(0), -8) ||
!epsilonCheck(rvc(1), 0) ||
!epsilonCheck(rvc(2), 16))
return false;
rvc -= rv;
cout << "rvc -= rv => " << rvc << endl;
if (!epsilonCheck(rvc(0), -4) ||
!epsilonCheck(rvc(1), 0) ||
!epsilonCheck(rvc(2), 8))
return false;
}
// Operator *=
{
ColVector cvc(cv);
cout << "cvc = " << cvc << endl;
cvc *= 5;
cout << "cvc *= 5 => " << cvc << endl;
if (!epsilonCheck(cvc(0), 5) ||
!epsilonCheck(cvc(1), 10) ||
!epsilonCheck(cvc(2), 15))
return false;
}
// rv * cv
{
const Elem inner_prod = rv * cv;
cout << "rv * cv = " << inner_prod << endl;
if (!epsilonCheck(inner_prod, 20))
return false;
}
// cv * rv
{
const Matrix cvrv(cv * rv);
cout << "cv * rv = " << endl << cvrv;
const Elem correct_cvrv_data[] = { -4, 0, 8,
-8, 0, 16,
-12, 0, 24 };
const Matrix correct_cvrv(3, 3, correct_cvrv_data);
if (correct_cvrv != cvrv)
return false;
}
// cv * rv larger test
{
int n_tests = 100;
for (int k = 0; k < n_tests; ++k) {
cout << "cv * rv #" << k << endl;
const int m = 25;
const int n = 500;
double* data1 = new double[m];
double* data2 = new double[n];
for (int i = 0; i < m; ++i)
data1[i] = generators::random(i);
for (int i = 0; i < n; ++i)
data2[i] = generators::random(i);
ColVector randomCv(m, data1);
RowVector randomRv(n, data2);
Matrix cvAsMatrix(m, 1, data1);
Matrix rvAsMatrix(1, n, data2);
Matrix ref(m, n);
cvAsMatrix.multWithMatrix(rvAsMatrix, &ref);
Matrix res(randomCv * randomRv);
if (ref != res)
return false;
delete[] data2;
delete[] data1;
}
}
// cv * 5
{
ColVector tmp = cv * 5;
cout << "cv * 5 = " << tmp << endl;
if (!epsilonCheck(tmp(0), 5) ||
!epsilonCheck(tmp(1), 10) ||
!epsilonCheck(tmp(2), 15))
return false;
}
// 4 * cv
{
ColVector tmp = 4 * cv;
cout << "4 * cv = " << tmp << endl;
if (!epsilonCheck(tmp(0), 4) ||
!epsilonCheck(tmp(1), 8) ||
!epsilonCheck(tmp(2), 12))
return false;
}
// rv * 5
{
RowVector tmp = rv * 5;
cout << "rv * 5 = " << tmp << endl;
if (!epsilonCheck(tmp(0), -20) ||
!epsilonCheck(tmp(1), 0) ||
!epsilonCheck(tmp(2), 40))
return false;
}
// 4 * rv
{
RowVector tmp = 4 * rv;
cout << "4 * rv = " << tmp << endl;
if (!epsilonCheck(tmp(0), -16) ||
!epsilonCheck(tmp(1), 0) ||
!epsilonCheck(tmp(2), 32))
return false;
}
// Maximum, minimum
const Elem mv_data[] = { -16, -1, 4, 8 };
RowVector mv(4, mv_data);
cout << "mv = " << mv << endl;
Elem m = mv.minimum();
cout << "Minimum of mv: " << m << endl;
if (m != -16)
return false;
m = mv.minimum(true);
cout << "Minimum of mv (absolute): " << m << endl;
if (m != -1)
return false;
m = mv.maximum();
cout << "Maximum of mv: " << m << endl;
if (m != 8)
return false;
m = mv.maximum(true);
cout << "Maximum of mv (absolute): " << m << endl;
if (m != -16)
return false;
// Length
cout << "Length of rv: " << rv.length() << endl;
if (!epsilonCheck(rv.length(), 8.94427191))
return false;
// Angle between cv and rv
cout << "Angle between cv and rv: " << Vector::angle(cv, rv) << endl;
if (!epsilonCheck(Vector::angle(cv, rv), 0.930274014115))
return false;
// Random vector of unit length
ColVector randcv(3, generators::random);
cout << "Random vector: " << randcv << endl;
// Silent operator() check
// In case of errors this would fail during compile time
{
ColVector a(5);
const ColVector b(3);
a(1) = b(2);
}
// Dump and read
{
const Elem v_data[] = { 3, 2.5, 1.5, -1, -2.5, -1.5 };
RowVector rv(6, v_data);
ColVector cv(6, v_data);
Poco::TemporaryFile rvTmpFile, cvTmpFile;
rv.dump(rvTmpFile.path());
cv.dump(cvTmpFile.path());
RowVector rv2(rvTmpFile.path());
ColVector cv2(cvTmpFile.path());
cout << "---" << endl
<< "rv = " << rv << endl
<< "cv = " << cv << endl
<< "rv from file: " << rv2 << endl
<< "cv from file: " << cv2 << endl;
for (unsigned int i = 0; i < 6; ++i)
if (rv(i) != rv2(i) || cv(i) != cv2(i))
return false;
}
return true;
}