/**
* This class runs an OpenGL probe. It MUST be a singleton (only one instance).
*/
GLDisplay::GLDisplay(int * argc, char * argv[], HyPerLayer * layer, int numRows, int numCols)
{
initLayerProbe(NULL, layer);
parent = layer->getParent();
parent->setDelegate(this);
rank = parent->icCommunicator()->commRank();
this->numRows = numRows;
this->numCols = numCols;
this->numDisplays = 0;
// start with time before start for initial display refresh
lastUpdateTime = parent->simulationTime() - parent->getDeltaTime();
glProbe = this;
g_msecs = 0.0f; // glut timer delay
time = 0.0;
stopTime = 0.0;
image = NULL;
const int maxDisplays = numRows * numCols;
displays = (LayerDataInterface **) calloc(maxDisplays, sizeof(LayerDataInterface *));
textureIds = (int *) calloc(maxDisplays, sizeof(int));
assert(displays != NULL);
assert(textureIds != NULL);
if (rank == 0) {
glut_init(argc, argv, glwWidth, glwHeight);
}
}
/**
* \brief This function start GLUT never ending loop
*/
void display_loop(struct CTX *_ctx, int argc, char *argv[])
{
ctx = _ctx;
glut_init(argc, argv);
if(ctx != NULL) {
glutMainLoop();
}
}
int main(int argc, char** argv)
{
glutInit(&argc, argv);
glutInitWindowSize(800, 600);
glutInitDisplayMode(GLUT_RGBA | GLUT_DOUBLE);
glutCreateWindow("Engine");
glut_init();
tw_init();
init_color();
init_game();
pause = false;
glutMainLoop();
}
int main(int argc, char **argv)
{
// setup window
glut_init(argc,argv);
///
// init radio
///
int device_count = rtlsdr_get_device_count();
if (!device_count)
{
fprintf(stderr, "No supported devices found.\n");
exit(1);
}
fprintf(stderr, "Found %d device(s):\n", device_count);
uint32_t dev_index = 0;
fprintf(stderr, "Using device %d: %s\n", dev_index, rtlsdr_get_device_name(dev_index));
int r = rtlsdr_open(&dev, dev_index);
if (r < 0)
{
fprintf(stderr, "Failed to open rtlsdr device #%d.\n", dev_index);
exit(1);
}
/* Set the sample rate */
uint32_t samp_rate = DEFAULT_SAMPLE_RATE;
r = rtlsdr_set_sample_rate(dev, samp_rate);
if (r < 0) fprintf(stderr, "WARNING: Failed to set sample rate.\n");
/* Set the frequency */
frequency = 100000000;
if(argv[1]) frequency = (uint32_t)atof(argv[1]) * (uint32_t)1e6;
if(frequency < 1e6)
{
fprintf(stderr, "WARNING: Center frequency should be in range, setting to 100MHz\n");
frequency = 100000000;
}
r = rtlsdr_set_center_freq(dev, frequency);
if (r < 0) fprintf(stderr, "WARNING: Failed to set center freq.\n");
else fprintf(stderr, "Tuned to %f MHz.\n", frequency/1e6);
sprintf(strFreq,"%4.0f",frequency/1e6);
/* Set the gain */
int gain = 0;
if(argv[2]) gain = atoi(argv[2]);
if (!gain)
{
/* Enable automatic gain */
r = rtlsdr_set_tuner_gain_mode(dev, 0);
if (r < 0) fprintf(stderr, "WARNING: Failed to enable automatic gain.\n");
}
else
{
/* Enable manual gain */
r = rtlsdr_set_tuner_gain_mode(dev, 1);
if (r < 0) fprintf(stderr, "WARNING: Failed to enable manual gain.\n");
/* Set the tuner gain */
r = rtlsdr_set_tuner_gain(dev, gain);
if (r < 0)
{
fprintf(stderr, "WARNING: Failed to set tuner gain.\n");
fprintf(stderr, "Valid values for e4000 are: -10, 15, 40, 65, 90, 115, 140, 165, 190, 215, 240, 290, 340, 420, 430, 450, 470, 490\n");
fprintf(stderr, "Valid values for r820t are: 9, 14, 27, 37, 77, 87, 125, 144, 157, 166, 197, 207, 229, 254, 280, 297,\n\t328, 338, 364, 372, 386, 402, 421, 434, 439, 445, 480, 496\n");
fprintf(stderr, "Gain values are in tenths of dB, e.g. 115 means 11.5 dB.\n");
}
else fprintf(stderr, "Tuner gain set to %f dB.\n", gain/10.0);
}
/* Reset endpoint before we start reading from it (mandatory) */
r = rtlsdr_reset_buffer(dev);
if (r < 0) fprintf(stderr, "WARNING: Failed to reset buffers.\n");
///
// setup fftw
///
uint32_t out_block_size = DEFAULT_BUF_LENGTH;
buffer = malloc(out_block_size * sizeof(uint8_t));
fftw_in = fftw_malloc ( sizeof ( fftw_complex ) * out_block_size/2 );
fftw_out = fftw_malloc ( sizeof ( fftw_complex ) * out_block_size/2 );
// put the plan on FFTW_MEASURE to calculate the optimal fft plan (takes a few seconds).
// If performance of FFTW_ESTIMATE is good enough use that one
//fftw_p = fftw_plan_dft_1d ( out_block_size/2, fftw_in, fftw_out, FFTW_FORWARD, FFTW_MEASURE );
fftw_p = fftw_plan_dft_1d ( out_block_size/2, fftw_in, fftw_out, FFTW_FORWARD, FFTW_ESTIMATE );
/* start reading samples */
fprintf(stderr, "Update frequency is %.2fHz.\n",((double)DEFAULT_SAMPLE_RATE / (double)DEFAULT_BUF_LENGTH));
fprintf(stderr, "Press [q,w] to change frequency, [a,z] to adjust waterfall color sensitivity, ESC to quit.\n");
pwr_max = 0.0f;
pwr_diff = 1.0f;
glutTimerFunc(0,readData,0);
glutMainLoop();
return 0;
}
