void init_radio() {
char *res;
char wisdom_directory[1024];
char wisdom_file[1024];
fprintf(stderr,"init radioberry \n");
fprintf(stderr,"checking wisdom file exists \n");
res=getcwd(wisdom_directory, sizeof(wisdom_directory));
strcpy(&wisdom_directory[strlen(wisdom_directory)],"/");
strcpy(wisdom_file,wisdom_directory);
strcpy(&wisdom_file[strlen(wisdom_file)],"wdspWisdom");
if(access(wisdom_file,F_OK)<0) {
fprintf(stderr,"creating wsdp (fftw3) wisdom files..........\n");
WDSPwisdom (wisdom_directory);
} else fprintf(stderr,"wisdom files already exist \n");
createReceiveChannel();
createRXAnalyzer();
initReceiveChannel();
}
static void* wisdom_thread(void *arg) {
splash_status("Creating FFTW Wisdom file ...");
WDSPwisdom ((char *)arg);
sem_post(&wisdom_sem);
}