/* simple configuration and streaming */
int main (int argc, char **argv){
int child=fork();
if (child==-1) {DieWithError("socket() failed");}
//Father code
else if (child==0){
pause();
// sleep(5); //Child run first
// Streaming devices
struct iio_device *rx;
// Stream configurations
struct stream_cfg rxcfg;
// Listen to ctrl+c and assert
signal(SIGINT, shutdowniio);
// RX stream config
rxcfg.bw_hz = MHZ(28); // 2 MHz rf bandwidth //200KHz-56MHz Channel bandwidths
rxcfg.fs_hz = MHZ(61.44); // 2 MS/s rx sample rate // 61.44
rxcfg.lo_hz = GHZ(2.5); // 2.5 GHz rf frequency //70MHz -6 GHz Local-oscilator
rxcfg.rfport = "A_BALANCED"; // port A (select for rf freq.)
if(verbose==1) printf("* Acquiring IIO context\n");
assert((ctx = iio_create_default_context()) && "No context");
assert(iio_context_get_devices_count(ctx) > 0 && "No devices");
if(verbose==1) printf("* Acquiring AD9361 streaming devices\n");
assert(get_ad9361_stream_dev(ctx, RX, &rx) && "No rx dev found");
if(verbose==1) printf("* Configuring AD9361 for streaming\n");
assert(cfg_ad9361_streaming_ch(ctx, &rxcfg, RX, 0) && "RX port 0 not found");
if(verbose==1) printf("* Init AD9361 IIO streaming channels\n");
assert(get_ad9361_stream_ch(ctx, RX, rx, 0, &rx0_i) && "RX chan i not found");
assert(get_ad9361_stream_ch(ctx, RX, rx, 1, &rx0_q) && "RX chan q not found");
if(verbose==1) printf("* Enabling IIO streaming channels\n");
iio_channel_enable(rx0_i);
iio_channel_enable(rx0_q);
if(verbose==1) printf("* Creating non-cyclic buff with 1 MiS\n");
rxbuf = iio_device_create_buffer(rx, BUFF_SIZE/4, false);
struct sockaddr_in serv,serv2; /* Echo server address */
printf("* Server conection(192.168.0.229:50705)*");
/* Construct the server address structure */
memset(&serv, 0, sizeof(serv)); /* Zero out structure */
serv.sin_family = AF_INET; /* Internet addr family */
serv.sin_addr.s_addr = inet_addr("192.168.0.229"); /* Server IP address */
serv.sin_port = htons(50705); /* Server port */
memset(&serv2, 0, sizeof(serv2)); /* Zero out structure */
serv2.sin_family = AF_INET; /* Internet addr family */
serv2.sin_addr.s_addr = inet_addr("192.168.0.229"); /* Server IP address */
serv2.sin_port = htons(50705); /* Server port */
/* Create a datagram/UDP socket */
if ((sock = socket(PF_INET, SOCK_DGRAM, IPPROTO_UDP)) < 0)
DieWithError("socket() failed");
if ((sock2 = socket(PF_INET, SOCK_DGRAM, IPPROTO_UDP)) < 0)
DieWithError("socket2() failed");
/* Connecting to the server */
if (connect(sock,(struct sockaddr *)&serv, sizeof(serv)) < 0) DieWithError("socket() failed");
if (connect(sock2,(struct sockaddr *)&serv2, sizeof(serv2)) < 0) DieWithError("socket() failed");
/* Sincronization */
printf("\n* Sended AK *");
if (sendto(sock, "AK", 2, 0, (struct sockaddr *)&serv, sizeof(serv)) != 2)
DieWithError("sendto() sent a different number of bytes than expected");
fromSize = sizeof(fromAddr);
rsplen = recvfrom(sock, buff_from_n, 1024*32, 0,(struct sockaddr *) &fromAddr, &fromSize);
if(rsplen!= 2){ DieWithError("recvfrom() failed");}
if (serv.sin_addr.s_addr != fromAddr.sin_addr.s_addr) {printf("Unknown client.\n"); exit(1);}
buff_from_n[rsplen] = '\0';
printf("\n* Received %s *\n", (char*)buff_from_n);
if(verbose==1) printf("* Starting IO streaming ");
int status;
ssize_t nbytes_rx=0;
void *p_dat ,*p_end;
pthread_t tid,tid2;
//Fill buffer from antena
nbytes_rx = iio_buffer_refill(rxbuf);
if (nbytes_rx < 0) { printf("Error refilling buf %d\n",(int) nbytes_rx); shutdowniio(0); }
p_end = iio_buffer_end(rxbuf);
p_dat = iio_buffer_first(rxbuf, rx0_i);
memcpy (buff_from_a, p_dat, (&p_end-&p_dat));
printf("\n* Ready for fast transfer *");
sec_begin= time(NULL);
while(sec_elapsed<10)
{
sec_end=time(NULL);
sec_elapsed=sec_end-sec_begin;
//Send data to network
memcpy (buff_from_a, p_dat, (&p_end-&p_dat));
if(pthread_create(&tid, NULL, send_msg1,(int*)sock)!=0){
printf ("\nPthread_create");exit(1);}
// if(pthread_create(&tid2, NULL, send_msg2,(int*)sock)!=0){
// printf ("\nPthread_create");exit(1);}
//Fill buffer from antena
nbytes_rx = iio_buffer_refill(rxbuf);
if (nbytes_rx < 0) { printf("Error refilling buf %d\n",(int) nbytes_rx); shutdowniio(0); }
p_end = iio_buffer_end(rxbuf);
p_dat = iio_buffer_first(rxbuf, rx0_i);
count=count+nbytes_rx;
//Syncronizing
if(pthread_join(tid ,(void**)&status)!=0){printf ("Pthread_join");exit(1);}
// if(pthread_join(tid2,(void**)&status)!=0){printf ("Pthread_join");exit(1);}
}
printf("\n\tTime elapsed: %lus \n\tAntena recived %llu MB\tDebit %llu Mb/sec ",
sec_elapsed, count/1024/1024, count/sec_elapsed/1024/1024);
printf("\n\tSocket sended %lld Mb \n",sendcount/1024/1024);
//printf("\nBytes sendeded %llu ",summ);
close(sock);
close(tcpsock);
return 0;
}//End Parent
//Child programm
else if (child!=0){
//pause();
// Listen to ctrl+c and assert
signal(SIGINT, shutdowniio);
struct iio_device *tx; // Streaming devices
struct stream_cfg txcfg; // Stream configurations
// TX stream config
txcfg.bw_hz = MHZ(28); // 1.5 MHz rf bandwidth
txcfg.fs_hz = MHZ(61.44); // 2 MS/s tx sample rate
txcfg.lo_hz = GHZ(2.5); // 2.5 GHz rf frequency
txcfg.rfport = "A"; // port A (select for rf freq.)
if(verbose==1) printf("\t\t\t\t\t* Acquiring IIO context\n");
assert((ctx = iio_create_default_context()) && "No context");
assert(iio_context_get_devices_count(ctx) > 0 && "No devices");
if(verbose==1) printf("\t\t\t\t\t* Acquiring AD9361 streaming devices\n");
assert(get_ad9361_stream_dev(ctx, TX, &tx) && "No tx dev found");
if(verbose==1) printf("\t\t\t\t\t* Configuring AD9361 for streaming\n");
assert(cfg_ad9361_streaming_ch(ctx, &txcfg, TX, 0) && "TX port 0 not found");
if(verbose==1) printf("\t\t\t\t\t* Initializing AD9361 IIO streaming channels\n");
assert(get_ad9361_stream_ch(ctx, TX, tx, 0, &tx0_i) && "TX chan i not found");
assert(get_ad9361_stream_ch(ctx, TX, tx, 1, &tx0_q) && "TX chan q not found");
if(verbose==1) printf("\t\t\t\t\t* Enabling IIO streaming channels\n");
iio_channel_enable(tx0_i);
iio_channel_enable(tx0_q);
if(verbose==1) printf("\t\t\t\t\t* Creating non-cyclic IIO buffers with 1 MiS\n");
txbuf = iio_device_create_buffer(tx, BUFF_SIZE/4, false);
printf("\t\t\t\t\t* Server conection*\n");
struct sockaddr_in serv; /* Echo server address */
/* Construct the server address structure */
memset(&serv, 0, sizeof(serv)); /* Zero out structure */
serv.sin_family = AF_INET; /* Internet addr family */
serv.sin_addr.s_addr = inet_addr("192.168.0.229"); /* Server IP address */
serv.sin_port = htons(50707); /* Server port */
/* Create a datagram/UDP socket */
if ((sock = socket(PF_INET, SOCK_DGRAM, IPPROTO_UDP)) < 0) DieWithError("socket() failed");
/* Connecting to the server */
//if (connect(sock,(struct sockaddr *)&serv, sizeof(serv)) < 0) DieWithError("socket() failed");
//pause();
/* Sincronization */
printf("\t\t\t\t\t* Sended AK *\n");
if (sendto(sock, "AK", 2, 0, (struct sockaddr *)&serv, sizeof(serv)) != 2)
DieWithError("sendto() sent a different number of bytes than expected");
fromSize = sizeof(fromAddr);
rsplen = recvfrom(sock, buff_from_n, 1024*32, 0,(struct sockaddr *) &fromAddr, &fromSize);
if(rsplen!= 2){ DieWithError("recvfrom() failed");}
if (serv.sin_addr.s_addr != fromAddr.sin_addr.s_addr) {printf("Unknown client.\n"); exit(1); }
buff_from_n[rsplen] = '\0';
printf("\t\t\t\t\t* Received %s *", (char*)buff_from_n);
int status;
ssize_t nbytes_tx=0;
void *t_dat,*t_end;
pthread_t tid3;
setpriority(PRIO_PROCESS, 0, -20);
//Fill buff_from_n from network
if(pthread_create(&tid3, NULL, recv_msg,(int*)sock)!=0){
printf ("\nPthread_create\n");exit(1);}
if(pthread_join(tid3,(void**)&status)!=0){printf ("Pthread_join");exit(1);}
//Bug push after in the third try
nbytes_tx = iio_buffer_push(txbuf);
nbytes_tx = iio_buffer_push(txbuf);
printf("\n\t\t\t\t\tReciving........ ");
while(1)
{
//Fill TXbuffer
t_end = iio_buffer_end(txbuf);
t_dat = iio_buffer_first(txbuf, tx0_i);
memcpy(t_dat,buff_from_n, (1024*1024));
nbytes_tx = iio_buffer_push(txbuf);
//Fill buff_from_n from network
if(pthread_create(&tid3, NULL, recv_msg,(int*)sock)!=0){printf ("\nPthread_create\n");exit(1);}
// Send buffer to antena
if (nbytes_tx < 0) { printf("Error pushing buf %d\n", (int) nbytes_tx); shutdowniio(0); }
count2=count2+nbytes_tx;
if(pthread_join(tid3,(void**)&status)!=0){printf ("Pthread_join");exit(1);}
if(status==1){ break; }
}
t_end = iio_buffer_end(txbuf);
t_dat = iio_buffer_first(txbuf, tx0_i);
memcpy(t_dat,buff_from_n, (&t_end-&t_dat));
nbytes_tx = iio_buffer_push(txbuf);
if (nbytes_tx < 0) { printf("Error pushing buf %d\n", (int) nbytes_tx); shutdowniio(0); }
count2=count2+nbytes_tx;
printf("\n\t\t\t\t\tRecived from net %llu MB",recvcount/1024/1024);
printf("\tSended to antena %lld Mb \n",count2/1024/1024);
}
return 0;
}//End of the life
/* simple configuration and streaming */
int main (int argc, char **argv)
{
// Streaming devices
struct iio_device *tx;
struct iio_device *rx;
// RX and TX sample counters
size_t nrx = 0;
size_t ntx = 0;
// Stream configurations
struct stream_cfg rxcfg;
struct stream_cfg txcfg;
// Listen to ctrl+c and assert
signal(SIGINT, handle_sig);
// RX stream config
rxcfg.bw_hz = MHZ(2); // 2 MHz rf bandwidth
rxcfg.fs_hz = MHZ(2.5); // 2.5 MS/s rx sample rate
rxcfg.lo_hz = GHZ(2.5); // 2.5 GHz rf frequency
rxcfg.rfport = "A_BALANCED"; // port A (select for rf freq.)
// TX stream config
txcfg.bw_hz = MHZ(1.5); // 1.5 MHz rf bandwidth
txcfg.fs_hz = MHZ(2.5); // 2.5 MS/s tx sample rate
txcfg.lo_hz = GHZ(2.5); // 2.5 GHz rf frequency
txcfg.rfport = "A"; // port A (select for rf freq.)
printf("* Acquiring IIO context\n");
assert((ctx = iio_create_default_context()) && "No context");
assert(iio_context_get_devices_count(ctx) > 0 && "No devices");
printf("* Acquiring AD9361 streaming devices\n");
assert(get_ad9361_stream_dev(ctx, TX, &tx) && "No tx dev found");
assert(get_ad9361_stream_dev(ctx, RX, &rx) && "No rx dev found");
printf("* Configuring AD9361 for streaming\n");
assert(cfg_ad9361_streaming_ch(ctx, &rxcfg, RX, 0) && "RX port 0 not found");
assert(cfg_ad9361_streaming_ch(ctx, &txcfg, TX, 0) && "TX port 0 not found");
printf("* Initializing AD9361 IIO streaming channels\n");
assert(get_ad9361_stream_ch(ctx, RX, rx, 0, &rx0_i) && "RX chan i not found");
assert(get_ad9361_stream_ch(ctx, RX, rx, 1, &rx0_q) && "RX chan q not found");
assert(get_ad9361_stream_ch(ctx, TX, tx, 0, &tx0_i) && "TX chan i not found");
assert(get_ad9361_stream_ch(ctx, TX, tx, 1, &tx0_q) && "TX chan q not found");
printf("* Enabling IIO streaming channels\n");
iio_channel_enable(rx0_i);
iio_channel_enable(rx0_q);
iio_channel_enable(tx0_i);
iio_channel_enable(tx0_q);
printf("* Creating non-cyclic IIO buffers with 1 MiS\n");
rxbuf = iio_device_create_buffer(rx, 1024*1024, false);
if (!rxbuf) {
perror("Could not create RX buffer");
shutdown();
}
txbuf = iio_device_create_buffer(tx, 1024*1024, false);
if (!txbuf) {
perror("Could not create TX buffer");
shutdown();
}
printf("* Starting IO streaming (press CTRL+C to cancel)\n");
while (!stop)
{
ssize_t nbytes_rx, nbytes_tx;
void *p_dat, *p_end;
ptrdiff_t p_inc;
// Schedule TX buffer
nbytes_tx = iio_buffer_push(txbuf);
if (nbytes_tx < 0) { printf("Error pushing buf %d\n", (int) nbytes_tx); shutdown(); }
// Refill RX buffer
nbytes_rx = iio_buffer_refill(rxbuf);
if (nbytes_rx < 0) { printf("Error refilling buf %d\n",(int) nbytes_rx); shutdown(); }
// READ: Get pointers to RX buf and read IQ from RX buf port 0
p_inc = iio_buffer_step(rxbuf);
p_end = iio_buffer_end(rxbuf);
for (p_dat = iio_buffer_first(rxbuf, rx0_i); p_dat < p_end; p_dat += p_inc) {
// Example: swap I and Q
const int16_t i = ((int16_t*)p_dat)[0]; // Real (I)
const int16_t q = ((int16_t*)p_dat)[1]; // Imag (Q)
((int16_t*)p_dat)[0] = q;
((int16_t*)p_dat)[1] = i;
}
// WRITE: Get pointers to TX buf and write IQ to TX buf port 0
p_inc = iio_buffer_step(txbuf);
p_end = iio_buffer_end(txbuf);
for (p_dat = iio_buffer_first(txbuf, tx0_i); p_dat < p_end; p_dat += p_inc) {
// Example: fill with zeros
((int16_t*)p_dat)[0] = 0; // Real (I)
((int16_t*)p_dat)[1] = 0; // Imag (Q)
}
// Sample counter increment and status output
nrx += nbytes_rx / iio_device_get_sample_size(rx);
ntx += nbytes_tx / iio_device_get_sample_size(tx);
printf("\tRX %8.2f MSmp, TX %8.2f MSmp\n", nrx/1e6, ntx/1e6);
}
shutdown();
return 0;
}
