int main() {
// allocate memory for arrays
unsigned char header[8]; // data header
unsigned char payload[64]; // data payload
float complex y[1340]; // frame samples
// create frame generator
framegen64 fg = framegen64_create();
framegen64_print(fg);
// create frame synchronizer using default properties
framesync64 fs = framesync64_create(mycallback, NULL);
framesync64_print(fs);
// initialize header, payload
unsigned int i;
for (i=0; i<8; i++)
header[i] = i;
for (i=0; i<64; i++)
payload[i] = rand() & 0xff;
// EXECUTE generator and assemble the frame
framegen64_execute(fg, header, payload, y);
// EXECUTE synchronizer and receive the entire frame at once
framesync64_execute(fs, y, 1340);
// DESTROY objects
framegen64_destroy(fg);
framesync64_destroy(fs);
printf("done.\n");
return 0;
}
// Helper function to keep code base small
void benchmark_framesync64(
struct rusage *_start,
struct rusage *_finish,
unsigned long int *_num_iterations)
{
*_num_iterations /= 128;
unsigned long int i;
framegen64 fg = framegen64_create();
framegen64_print(fg);
// frame data
unsigned char header[8] = {0, 1, 2, 3, 4, 5, 6, 7};
unsigned char payload[64];
// initialize payload
for (i=0; i<64; i++)
payload[i] = rand() & 0xff;
framedata fd = {0, 0, 0};
// create framesync64 object
framesync64 fs = framesync64_create(callback,(void*)&fd);
framesync64_print(fs);
// generate the frame
//unsigned int frame_len = framegen64_getframelen(fg);
unsigned int frame_len = LIQUID_FRAME64_LEN;
float complex frame[frame_len];
framegen64_execute(fg, header, payload, frame);
// add some noise
for (i=0; i<frame_len; i++)
frame[i] += 0.01f*(randnf() + _Complex_I*randnf()) * M_SQRT1_2;
//
// start trials
//
getrusage(RUSAGE_SELF, _start);
for (i=0; i<(*_num_iterations); i++) {
framesync64_execute(fs, frame, frame_len);
}
getrusage(RUSAGE_SELF, _finish);
fd.num_frames_tx = *_num_iterations;
printf(" frames detected/valid/transmitted : %6u / %6u / %6u\n",
fd.num_frames_detected,
fd.num_frames_valid,
fd.num_frames_tx);
framegen64_destroy(fg);
framesync64_destroy(fs);
}