/***********************************************************************************
* @fn readXY
*
* @brief Read X and Y Coordinates of Touch
*
* @param none
*
* @return none
*/
void readXY()
{
// Find X Coordinate
setXDrive(); // Set X wires to drives
x = getSamples(CHAN_YP); // Sample Y+ to get X coordinate
// Find Y Coordinate
setYDrive(); // Set Y wires to drives
y = getSamples(CHAN_XP); // Sample X+ to get Y coordinate
// Setup pins to check if screen is still touched
setTouchDrives(); // See if screen still touched
clearDrives(); // Clear drive wires
}
int main(int argc, char *argv[])
{
printf("Wav Write Test\n");
if (argc != 2) {
fprintf(stderr, "Expecting wav file as argument\n");
return 1;
}
short samples[len];
memset(samples, 0, len);
printf("\n Getting the Samples");
getSamples(samples);
printf("\n Got the Samples. Writing to File\n");
// Write to a new file
SF_INFO sfinfo_w ;
sfinfo_w.channels = 1;
sfinfo_w.samplerate = 16000;
sfinfo_w.format = SF_FORMAT_WAV | SF_FORMAT_PCM_16;
SNDFILE *sndFile_w = sf_open(argv[1], SFM_WRITE, &sfinfo_w);
sf_count_t count_w = sf_write_short(sndFile_w, samples, len) ;
sf_write_sync(sndFile_w);
sf_close(sndFile_w);
return 0;
}
void ObjectModelPlaneFromLines::computeRandomModel (int &iterations, Eigen::VectorXf &model_coefficients, bool &isDegenerate, bool &modelFound){
std::vector<int> samples;
std::vector<int> selection;
getSamples(iterations,selection);
if (selection.size () == 0){
isDegenerate = false;
modelFound = false;
return;
} else {
isDegenerate = true;
}
if (!computeModelCoefficients (selection, model_coefficients)){
modelFound = false;
return;
} else {
modelFound = true;
return;
}
}
bool setup(BelaContext *context, void *userData)
{
// Check that we have the same number of inputs and outputs.
if(context->audioInChannels != context->audioOutChannels ||
context->analogInChannels != context-> analogOutChannels){
printf("Error: for this project, you need the same number of input and output channels.\n");
return false;
}
for(int ch=0;ch<NUM_CHANNELS;ch++) {
gSampleData[ch].sampleLen = getNumFrames(gFilename);
gSampleData[ch].samples = new float[gSampleData[ch].sampleLen];
getSamples(gFilename,gSampleData[ch].samples,ch,0,gSampleData[ch].sampleLen);
}
gReadPtr = -1;
gAudioFramesPerAnalogFrame = context->audioFrames / context->analogFrames;
// setup the scope with 3 channels at the audio sample rate
scope.setup(3, context->audioSampleRate);
return true;
}
void genLibSvmTrainSet(FILE *f, int label, char* output, int samples) {
int y;
int samp[NOSAMPS];
char buff[10240];
char valstr[1024];
printf("Am ajuns in genLibSvmTrainSet(..)\n");
FILE *out_file;
out_file = fopen(output, "a+");
//printf("Samples ramase:%i\n", samples);
//printf("Condifie: \n", (samples>0));
printf("Am deschis deja fisierul de iesire.\n");
while(!kbhit() && (samples>0)) {
printf("Incerc citirea de pe atmega");
getSamples(f, samp);
printf("Am terminat citirea de pe atmega");
sprintf(buff, "%i", label);
for (y=0; y<NOSAMPS; y++) {
sprintf(valstr, " %i:%i", y+1, samp[y]);
strcat(buff, valstr);
}
fprintf(out_file,"%s\n", buff);
printf("Am scris in fisier!\n");
printf("%s\n", buff);
samples--;
}
printf("Inchid fisierul de iesire");
fclose(out_file);
printf("Done");
}
/**
* Return the ending local row index for this processor
*/
dof_id_type
Sampler::getLocalRowEnd()
{
if (_total_rows == 0)
reinit(getSamples());
return _local_row_end;
}
/**
* Return the beginning local row index for this processor
*/
dof_id_type
Sampler::getLocalRowBegin()
{
if (_total_rows == 0)
reinit(getSamples());
return _local_row_begin;
}
/**
* Return the number of rows local to this processor.
*/
dof_id_type
Sampler::getLocalNumerOfRows()
{
if (_total_rows == 0)
reinit(getSamples());
return _local_rows;
}
bool BufferSinkFilterContext::getAudioSamples(AudioSamples &samples, size_t samplesCount, OptionalErrorCode ec)
{
if (m_type != FilterMediaType::Audio) {
throws_if(ec, Errors::IncorrectBufferSinkMediaType);
return false;
}
return getSamples(samples.raw(), samplesCount, ec);
}
//by marshmellow
//see ASKDemod for what args are accepted
int CmdNexWatchRead(const char *Cmd) {
// read lf silently
CmdLFRead("s");
// get samples silently
getSamples("10000",false);
// demod and output viking ID
return CmdPSKNexWatch(Cmd);
}
void
Sampler::execute()
{
// Get the samples then save the state so that subsequent calls to getSamples returns the same
// random numbers until this execute command is called again.
std::vector<DenseMatrix<Real>> data = getSamples();
_generator.saveState();
reinit(data);
}
void vkeGameRendererDynamic::initRenderPass(){
/*----------------------------------------------------------
Define the render pass
----------------------------------------------------------*/
VkAttachmentDescription attachments[3];
/*
3 attachments:
1 : Color attachment
R8G8B8A8 UNORM
4 samples per pixel
2 : Depth stencil attachment
D24S8_UNORM
4 samples per pixel
3 : Resolve attachment
R8G8B8A8 UNORM
1 sample per pixel
*/
attachmentDescription(&attachments[0], VK_FORMAT_R8G8B8A8_UNORM, getSamples(), VK_ATTACHMENT_LOAD_OP_CLEAR, VK_ATTACHMENT_STORE_OP_STORE);
depthStencilAttachmentDescription(&attachments[1], VK_FORMAT_D24_UNORM_S8_UINT, getSamples());
attachmentDescription(&attachments[2], VK_FORMAT_R8G8B8A8_UNORM, VK_SAMPLE_COUNT_1_BIT, VK_ATTACHMENT_LOAD_OP_DONT_CARE, VK_ATTACHMENT_STORE_OP_STORE);
/*
Define the attachment referrences
*/
VkAttachmentReference color_reference = { 0, VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL };
VkAttachmentReference resolve_reference = { 2, VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL };
VkAttachmentReference depth_reference = { 1, VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL };
/*
Define the only subpass
*/
VkSubpassDescription subpass[1];
subpassDescription(&subpass[0], 1, &color_reference, &depth_reference, NULL);// &resolve_reference);
/*
Create the render pass.
*/
renderPassCreate(&m_render_pass, 3, attachments, 1, subpass);// , 1, &dep);
}
void
Sampler::setSampleNames(const std::vector<std::string> & names)
{
_sample_names = names;
// Use assert because to check the size a getSamples call is required, which you don't
// want to do if you don't need it.
mooseAssert(getSamples().size() == _sample_names.size(),
"The number of sample names must match the number of samples returned.");
}
// * Acquire Samples as Reader (enables carrier, sends inquiry)
//helptext
int CmdHF15Samples(const char *Cmd) {
char cmdp = param_getchar(Cmd, 0);
if (cmdp == 'h' || cmdp == 'H') return usage_15_samples();
UsbCommand c = {CMD_ACQUIRE_RAW_ADC_SAMPLES_ISO_15693, {0,0,0}};
clearCommandBuffer();
SendCommand(&c);
//download samples
getSamples(0, false);
return 0;
}
u16 ResolverIn::getAngle()
{
static DelayedConditional faultdelay(parentSys,0.2,false);
//TODO
/* status 9.2012:
* pinnia heilutetaan systemin hf taskista
*
*
* update:kytkis loytyy psvn skemana, natti RC ulostulo resosta
*
* luenta:
* säädetään keskeytys 20kHz:iin ja luetaan adc arvot talteen pulssin keskeltä
*
* skooppi:
* transcend muistitikulla skooppikuvia resolverista kun lähdön kanssa sarjassa 6.8 ohm ja
* kelan rinnan 0.33uf -> melkein siniaalto mutta LC oskillaatiota reunoissa
*
* sin ja kelt: käämin päät maahan nähden
* pink: erotus käämin yli
* vih: toision ulostulo
*
* Tarvinnee myös isomman sarjaresistanssin koska driveri lämpenee 70Chen 25Cssä ja ulostuloksi tulee
* yli +-2v
*
*/
/* TODO add fault detection if voltages of both channels less than 100mV or so
* this detects disconnected resolver and prevents angle going crazy*/
lastAngle = currAngle;
float x, y; //parentSys->physIO.ADin.getVoltageVolts(AnalogIn::EncA),parentSys->physIO.ADin.getVoltageVolts(AnalogIn::EncB)
getSamples( x, y );
//detect loss of input voltage (resolver disconnected or miswired)
bool fault=false;
if((x*x+y*y)<(0.2*0.2)) fault=true;
if(faultdelay.delayedTrue( fault ) )
{
parentSys->setFault(FLT_ENCODER,FAULTLOCATION_BASE+101);
}
currAngle = u16( s32( 65536.0 * atan2f( x, y ) * (0.5 / M_PI) ) );
lastOutputCount = outputCount;
unrolledCount += s16( currAngle - lastAngle );
outputCount = unrolledCount / (65536 / countsPerRev);
return outputCount;
}
/**
* Perform a DFB on a single polarization.
*
* Description:\n
* Converts the data to single precision floating point, optionally swaps
* real and imaginary, and stores the data in a working buffer. Then
* performs a DFB::iterate on the buffer to produce the output. Returns
* the total number of samples consumed; this should be the same as threshold.\n\n
* Notes:\n
* Since the input data is in a circular buffer, it may be necessary to
* wrap past the end of the buffer and do the copy in two parts.
*/
int32_t
Channel::dfbPol(uint64_t sample, InputBuffer *inBuf,
ComplexFloat32 *sampleBuf, ComplexFloat32 **buf)
{
#if CHANNEL_TIMING
uint64_t t0 = getticks();
#endif
// copy the input data to the DFB buffer. Since the input buffer
// is circular, it may be necessary to wrap around to the beginning
// during the copy, so we have two loops.
int32_t len = threshold;
ComplexInt16 *samples = static_cast<ComplexInt16 *>
(inBuf->getSampleBlk(sample, len));
if (swap)
getSwappedSamples(sampleBuf, samples, len);
else
getSamples(sampleBuf, samples, len);
uint64_t s = sample + len;
int32_t len2 = threshold - len;
if (len2) {
samples = static_cast<ComplexInt16 *> (inBuf->getSampleBlk(s, len2));
if (swap)
getSwappedSamples(sampleBuf + len, samples, len2);
else
getSamples(sampleBuf + len, samples, len2);
}
#if CHANNEL_TIMING
uint64_t t1 = getticks();
timing.dfb.list += elapsed(t1, t0);
#endif
// perform the DFB
// DFB is performed on linear sample buffer
ComplexFloat32 *td[1];
td[0] = sampleBuf;
int32_t n = dfb.iterate((const ComplexFloat32 **) td, 1, threshold, buf);
return (n);
}
void printAvgValsOver(FILE *f, int loops) {
int x,y;
int samp[NOSAMPS];
int avg[NOSAMPS];
for (x=0; x<NOSAMPS; x++) avg[x]=0;
for (x=0; x<loops; x++) {
getSamples(f, samp);
for (y=0; y<NOSAMPS; y++) avg[y]+=samp[y];
}
for (x=0; x<NOSAMPS; x++) {
printf("%i\n", avg[x]/loops);
}
}
bool PrismaticModel::guessParameters() {
if(model.track.pose.size() < 2)
return false;
size_t i,j;
do{
i = rand() % getSamples();
j = rand() % getSamples();
} while (i==j);
tf::Transform pose1 = poseToTransform(model.track.pose[i]);
tf::Transform pose2 = poseToTransform(model.track.pose[j]);
rigid_position = pose1.getOrigin();
rigid_orientation = pose1.getRotation();
prismatic_dir = pose2.getOrigin() - pose1.getOrigin();
prismatic_dir.normalize();
if(!check_values(rigid_position)) return false;
if(!check_values(rigid_orientation)) return false;
if(!check_values(prismatic_dir)) return false;
return true;
}
/*!
Construtor
*/
Train::Train(Config config){
clock_t start, finish;
start = clock();
this->conf = config;
hog.winSize = cv::Size(config.hog_wsize, config.hog_hsize);
positives = 0;
negatives = 0;
getSamples();
computeFeatures();
//prepareData();
trainWithDescriptors();
finish = clock();
std::cout << "Tempo utilizado (segundos): "<< (finish - start)/CLOCKS_PER_SEC << std::endl;
}
/// \brief Handles all USB things until the device gets disconnected.
void Control::run() {
int errorCode, cycleCounter = 0;
while (!terminate) {
if (sampling) {
errorCode = getSamples(true);
if (errorCode < 0)
qDebug("Getting sample data failed: %s", Helper::libUsbErrorString(errorCode).toLocal8Bit().data());
} else {
usleep(1000);
}
}
device->disconnect();
emit statusMessage(tr("The device has been disconnected"), 0);
}
void ossimQtIgenController::setSceneBoundingRect()
{
if (!theWidget) return;
//---
// theWidget is actually on a tile boundary so we want the fitted
// rect and not any null buffer pixels.
//---
setWidgetRect(theWidget->getSceneBoundingRect());
theLines = getLines();
theSamples = getSamples();
updateOutputGrect();
updateDialog();
}
void ossimQtIgenController::handleRectangleROIEvent( ossimROIEvent& event)
{
if (event.getEventType() == ossimROIEvent::OSSIM_RECTANGLE_ROI)
{
if (event.getMovingFlag() == false)
{
// Mouse drag, update lines and samples.
theLines = getLines();
theSamples = getSamples();
}
// Update the geo rect from ROI rect.
updateOutputGrect();
updateDialog();
}
}
// this is executed continuously
void appBase::run() {
float idletime;
uint32_t thisLoop;
// delay loop to force update on even looptime boundaries
while ( millis() < nextLoop ) { // delay until time for next loop
if( /* lcd != NULL && */ buttons != NULL ) // check for button press
checkInput();
checkSerial(); // Has a command been received?
}
thisLoop = millis(); // actual time marker for this loop
// time stamp = system time, seconds, for this set of samples
timestamp = 0.001 * float( thisLoop ) - reftime;
getSamples(); // retrieve values from MCP9800 and MCP3424
if( first ) { // use first set of samples for RoR base values only
first = false;
initControl();
}
else {
logSamples(); // output results to serial port
doControl(); // perform control operations, if required
}
// save values for RoR calculation in next loop
for( int j = 0; j < _NCHAN; j++ ) {
int k = chan.getChan( j );
if( k != 0 ) {
--k;
flast[k] = ftemps[k];
lasttimes[k] = ftimes[k];
}
}
idletime = looptime - ( millis() - thisLoop );
// complain if we don't have some time left
if (idletime < _IDLE_TIME_ALARM ) {
Serial.print("# idle: ");
Serial.println(idletime);
}
nextLoop += looptime; // time mark for start of next update
// Serial.print("nextLoop="); Serial.print( nextLoop );
// Serial.print(" looptime="); Serial.print( looptime );
// Serial.println();
}
void classifyInput(FILE *f, char *modelfile) {
struct svm_model *model;
struct svm_node features[NOSAMPS+1];
int samp[NOSAMPS];
int rmin[NOSAMPS];
int rmax[NOSAMPS];
double *decVals;
int x, noLabels, noDecVals;
double r;
char buff[1024];
strcpy(buff, modelfile);
strcat(buff, ".range");
loadRangeFile(buff, rmin, rmax);
strcpy(buff, modelfile);
strcat(buff, ".model");
model=svm_load_model(buff);
if (model==NULL) {
printf("Couldn't load model!\n");
exit(0);
}
noLabels=svm_get_nr_class(model);
noDecVals=noLabels*(noLabels-1)/2;
decVals=malloc(sizeof(double)*noDecVals);
while(1) {
getSamples(f, samp);
for (x=0; x<NOSAMPS; x++) {
features[x].index=x;
//rescale to [-1, 1]
r=(samp[x]-rmin[x+1]);
r=r/(rmax[x+1]-rmin[x+1]);
r=(r*2)-1;
features[x+1].value=r;
// printf("%f ", features[x].value);
}
// printf("\n");
features[x].index=-1;
r=svm_predict_values(model,features,decVals);
printf("prediction value: %f\n", r);
// for (x=0; x<noDecVals; x++) printf("%f ", decVals[x]);
// printf("\n");
}
}
void StereoSample::addSamplesStereo(float *samples, int length) {
if(length>BUFF_SIZE) {
printf("Buffer not big enough!!\n");
memset(samples, 0, length*2*sizeof(float));
return;
}
// get the samples to work on
getSamples(StereoSample_buffer, length);
float lerpAmt = 0.05f;
if(fadePos>-1) {
targetVolume = getFadeVolume();
fadePos += length;
}
if(getNumChannels()==1) {
for(int i = 0; i < length; i++) {
volume = volume*(1.f-lerpAmt) + targetVolume*lerpAmt;
pan = pan*(1.f-lerpAmt) + targetPan*lerpAmt;
samples[i*2] += StereoSample_buffer[i]*(1 - pan)*volume;
samples[i*2 + 1] += StereoSample_buffer[i]*pan*volume;
}
} else if(getNumChannels()==2) {
for(int i = 0; i < length; i++) {
volume = volume*(1.f-lerpAmt) + targetVolume*lerpAmt;
pan = pan*(1.f-lerpAmt) + targetPan*lerpAmt;
samples[i*2] += StereoSample_buffer[i*2]*(1 - pan)*volume;
samples[i*2 + 1] += StereoSample_buffer[i*2+1]*pan*volume;
}
}
if(fadePos>=fadeDuration) {
fadePos = -1;
if(targetVolume<0.001 && volume<0.001) {
stop();
}
}
}
void SampleStream::fillBuffer() {
if(!gBusy) {
// increment buffer read pointer by buffer length
gBufferReadPtr+=gBufferLength;
// reset buffer pointer if it exceeds the number of frames in the file
if(gBufferReadPtr>=gNumFramesInFile)
gBufferReadPtr=0;
int endFrame = gBufferReadPtr + gBufferLength;
int zeroPad = 0;
// if reaching the end of the file take note of the last frame index
// so we can zero-pad the rest later
if((gBufferReadPtr+gBufferLength)>=gNumFramesInFile-1) {
endFrame = gNumFramesInFile-1;
zeroPad = 1;
}
for(int ch=0;ch<gNumChannels;ch++) {
// fill (nonactive) buffer
getSamples(gFilename,gSampleBuf[!gActiveBuffer][ch].samples,ch
,gBufferReadPtr,endFrame);
// zero-pad if necessary
if(zeroPad) {
int numFramesToPad = gBufferLength - (endFrame-gBufferReadPtr);
for(int n=0;n<numFramesToPad;n++)
gSampleBuf[!gActiveBuffer][ch].samples[n+(gBufferLength-numFramesToPad)] = 0;
}
}
gDoneLoadingBuffer = 1;
gBufferToBeFilled = 0;
// printf("done loading buffer!\n");
}
}
Sampler::Location
Sampler::getLocation(dof_id_type global_index)
{
if (_offsets.empty())
reinit(getSamples());
mooseAssert(_offsets.size() > 1,
"The getSamples method returned an empty vector, if you are seeing this you have "
"done something to bypass another assert in the 'getSamples' method that should "
"prevent this message.");
// The lower_bound method returns the first value "which does not compare less than" the value and
// upper_bound performs "which compares greater than." The upper_bound -1 method is used here
// because lower_bound will provide the wrong index, but the method here will provide the correct
// index, see the Sampler.GetLocation test in moose/unit/src/Sampler.C for an example.
std::vector<unsigned int>::iterator iter =
std::upper_bound(_offsets.begin(), _offsets.end(), global_index) - 1;
return Sampler::Location(std::distance(_offsets.begin(), iter), global_index - *iter);
}
void renderScene(Scene* scene){
Color final_color;
HitRecord record = createHitRecord();
Sample sample = createSample(scene->num_samples);
Color black = {0, 0, 0};
int xres = scene->image.width;
int yres = scene->image.height;
for(int i = 0; i < xres; i++){
for(int j = 0; j < yres; j++){
getSamples(&sample);
applyFilter(&sample);
final_color = black;
int hit_count = 0;
for(int k = 0; k < scene->num_samples; k++){
double x = 2 * (i - xres/2. + sample.samples[k].x)/xres;
double y = 2 * (j - yres/2. + sample.samples[k].y)/yres;
Ray ray = cameraCreateRay(&scene->camera, x, -y);
resetHitRecord(&record);
Color result = hitScene(scene, &record, ray, 0);
if(result.red != 0 || result.green != 0 || result.blue != 0){
final_color = addColors(final_color, result);
hit_count++;
}
}
if(hit_count > 0){
final_color = multiplyColorByNumber(final_color, 1.0 / (double)hit_count);
}
setImageColor(&scene->image, i, j, final_color);
}
}
}
bool ADS7843AsyncTouchScreen::getCoordinates(Point& point) {
uint16_t xvalues[7],yvalues[7];
Point p;
TouchScreenPostProcessor::PostProcessAction ppa;
int16_t sequenceNumber;
sequenceNumber=0;
do {
// get the samples
getSamples(xvalues,yvalues,7);
// the panel must have been touched all this time
if(!isTouched())
return errorProvider.set(ErrorProvider::ERROR_PROVIDER_TOUCH_SCREEN,E_NO_TOUCH,0);
// get the median values
p.X=fastMedian(xvalues);
p.Y=fastMedian(yvalues);
// translate the co-ordinates using the calibration routine
point=_calibration->translate(p);
// pass the co-ordinate to the post processor and abort if it fails
if((ppa=_postProcessor->postProcess(point,sequenceNumber++))==TouchScreenPostProcessor::Error)
return false;
// keep going until the post processor signals it's finished
} while(ppa==TouchScreenPostProcessor::MoreSamplesRequired);
return true;
}
// SeneGraph program
int main(){
int noOfSamples = 0;
int samples[MAX_NO_OF_SAMPLES] = { 0 };
bool done = false;
cout << "Welcome to SeneGraph" << endl;
while (!done){
cout << "No Of Samples: " << noOfSamples << endl;
switch (menu()){
case 1:
cout << "Enter number of samples on hand: ";
noOfSamples = getInt(1, MAX_NO_OF_SAMPLES);
break;
case 2:
if (noOfSamples == 0){
cout << "First enter the number of Samples." << endl;
}
else{
cout << "Please enter the sample values: " << endl;
getSamples(samples, noOfSamples);
}
break;
case 3:
if (noOfSamples == 0){
cout << "First enter the number of Samples." << endl;
}
else if (samples[0] == 0){
cout << "Firt enter the samples." << endl;
}
else{
printGraph(samples, noOfSamples);
}
break;
case 0:
cout << "Thanks for using SeneGraph" << endl;
done = true;
}
}
return 0;
}