int TMrfTal_RBUDP::readOutputBuffer(TMrfData& data, const u_int32_t& wordcount, const u_int32_t& appendat, const bool& truncate) const
{
if (deviceIsOpen()) {
int words_read;
if (data.getNumWords() < appendat + wordcount + 1) {
data.setNumWords(appendat + wordcount + 1);
}
if (initReadout() < 0) {
if (truncate) {
data.clearDataStream();
}
rb_errcode |= rb_error::read_failed;
return 0;
} else if ((words_read = doReadout(wordcount, reinterpret_cast<u_int8_t*>(&data.regdata[appendat]))) < 0) {
if (truncate) {
data.clearDataStream();
}
rb_errcode |= rb_error::read_failed;
return 0;
} else {
if (truncate) {
data.setNumWords(appendat + words_read + 1);
}
//rb_errcode = 0;
return words_read;
}
} else {
rb_errcode |= rb_error::device_not_open;
return 0;
}
}
void init_readout(READOUT_GRADIENT_T *grad, char name[],
double lro, double np, double sw)
{
if ((ix > 1) && !sglarray) return;
initReadout(grad); /* initialize with default values */
grad->numPointsFreq = np/2.0; /* assign number of points in frequncy direction */
grad->acqTime = np/(2*sw); /* set acquisition time */
grad->maxGrad = gmax; /* assign maximum allowed gradient */
grad->fov = lro*10; /* set field of view [cm] */
strcpy(grad->name,name); /* assign waveform name */
}
void init_readout_butterfly(READOUT_GRADIENT_T *grad, char name[],
double lro, double np, double sw,
double gcrush, double tcrush)
{
if ((ix > 1) && !sglarray) return;
initReadout(grad); /* initialize with default values */
grad->numPointsFreq = np/2.0; /* assign number of points in frequncy direction */
grad->acqTime = np/2/sw; /* set acquisition time */
grad->maxGrad = gmax; /* assign maximum allowed gradient */
grad->fov = lro*10; /* set field of view [cm] */
strcpy(grad->name,name); /* assign waveform name */
grad->enableButterfly = TRUE; /* enable butterfly gradients */
grad->cr1amp = grad->cr2amp = gcrush; /* assign crusher amplitude */
grad->crusher1Duration = grad->crusher2Duration = tcrush; /* assign crusher duration */
grad->crusher1CalcFlag = grad->crusher2CalcFlag = MOMENT_FROM_DURATION_AMPLITUDE;
}
