int create_ozy_thread() {
int i;
int rc;
#ifndef __linux__
if (init_hpsdr() == 0) exit(9);
#endif
for(i=0;i<receivers;i++) {
receiver[i].frequency=7056000L;
receiver[i].frequency_changed=1;
}
if(!playback) {
ozy_init();
ozy_prime();
}
if(timing) {
ftime(&start_time);
}
if(playback) {
// create a thread to read/write to EP6/EP2
rc=pthread_create(&playback_thread_id,NULL,playback_thread,NULL);
if(rc != 0) {
fprintf(stderr,"pthread_create failed on playback_thread: rc=%d\n", rc);
exit(1);
}
} else {
// create a thread to read/write to EP6/EP2
rc=pthread_create(&ep6_ep2_io_thread_id,NULL,ozy_ep6_ep2_io_thread,NULL);
if(rc != 0) {
fprintf(stderr,"pthread_create failed on ozy_ep6_io_thread: rc=%d\n", rc);
exit(1);
}
/*
// create a thread to read from EP4
rc=pthread_create(&ep4_io_thread_id,NULL,ozy_ep4_io_thread,NULL);
if(rc != 0) {
fprintf(stderr,"pthread_create failed on ozy_ep4_io_thread: rc=%d\n", rc);
exit(1);
}
*/
}
return 0;
}
void metis_start_receive_thread() {
int i;
int rc;
struct hostent *h;
fprintf(stderr,"Metis starting receive thread\n");
discovering=0;
h=gethostbyname(metis_cards[0].ip_address);
if(h==NULL) {
fprintf(stderr,"metis_start_receiver_thread: unknown host %s\n",metis_cards[0].ip_address);
exit(1);
}
data_addr_length=sizeof(data_addr);
memset(&data_addr,0,data_addr_length);
data_addr.sin_family=AF_INET;
data_addr.sin_port=htons(DATA_PORT);
memcpy((char *)&data_addr.sin_addr.s_addr,h->h_addr_list[0],h->h_length);
ozy_prime();
// send a packet to start the stream
buffer[0]=0xEF;
buffer[1]=0xFE;
buffer[2]=0x04; // data send state
buffer[3]=0x03; // send (0x00=stop)
for(i=0;i<60;i++) {
buffer[i+4]=0x00;
}
metis_send_buffer(&buffer[0],64);
fprintf(stderr,"starting metis_watchdog_thread\n");
// start a watchdog to make sure we are receiving frames
rc=pthread_create(&watchdog_thread_id,NULL,metis_watchdog_thread,NULL);
if(rc != 0) {
fprintf(stderr,"pthread_create failed on metis_watchdog_thread: rc=%d\n", rc);
exit(1);
}
}
void metis_start_receive_thread() {
int i;
int rc;
struct hostent *h;
fprintf(stderr,"Metis starting receive thread\n");
discovering=0;
h=gethostbyname(metis_cards[0].ip_address);
if(h==NULL) {
fprintf(stderr,"metis_start_receiver_thread: unknown host %s\n",metis_cards[0].ip_address);
exit(1);
}
data_addr_length=sizeof(data_addr);
memset(&data_addr,0,data_addr_length);
data_addr.sin_family=AF_INET;
data_addr.sin_port=htons(DATA_PORT);
memcpy((char *)&data_addr.sin_addr.s_addr,h->h_addr_list[0],h->h_length);
ozy_prime();
// send a packet to start the stream
buffer[0]=0xEF;
buffer[1]=0xFE;
buffer[2]=0x04; // data send state
buffer[3]=0x03; // send EP6 and EP4 data (0x00=stop)
for(i=0;i<60;i++) {
buffer[i+4]=0x00;
}
if(sendto(discovery_socket,buffer,64,0,(struct sockaddr*)&data_addr,data_addr_length)<0) {
perror("sendto socket failed for start\n");
exit(1);
}
}
