int main(int argc, char *argv[])
{
struct data_file *df;
unsigned char buf[BUF_SIZE];
int i;
if (register_signals_us() < 0){
#ifdef DEBUG
fprintf(stderr, "%s: logic error\n", __func__);
#endif
return -1;
}
/**write output to stdout*/
df = write_raw_data_file("-");
if (df == NULL){
#ifdef DEBUG
fprintf(stderr, "%s: logic error\n", __func__);
#endif
return -1;
}
float phase = 0.0;
float freq_rad = FREQ_HZ * 2 * M_PI / S_RATE;
fprintf(stderr, "%s: radians: %f\n", __func__, freq_rad);
for (i=0; i<BUF_SIZE; i++){
phase += freq_rad;
buf[i] = (unsigned char)((sin(phase)+1)*128);
//fprintf(stdout,"%d ", buf[i]);
}
while (run){
if (write_next_chunk_raw_data_file(df, buf, BUF_SIZE) < 0){
#ifdef DEBUG
fprintf(stderr, "%s: failed to write\n", __func__);
#endif
run = 0;
break;
}
}
destroy_raw_data_file(df);
#ifdef DEBUG
fprintf(stderr, "%s:DONE\n", __func__);
#endif
return 0;
}
int main(int argc, char *argv[])
{
int i=1,j=1,k=0;
char c, flag = 0, *host = NULL, *port = NULL;
struct spead_socket *x = NULL;
if (argc < 2)
return usage(argv);
while (i < argc){
if (argv[i][0] == '-'){
c = argv[i][j];
switch(c){
case '\0':
j = 1;
i++;
break;
case '-':
j++;
break;
/*switches*/
case 'h':
return usage(argv);
case 'r':
j++;
flag = 1;
k = 1;
break;
case 's':
j++;
flag = 0;
break;
/*settings*/
default:
fprintf(stderr, "%s: unknown option -%c\n", argv[0], c);
return EX_USAGE;
}
} else {
/*parameters*/
switch (k){
case 0:
host = argv[i];
k++;
break;
case 1:
port = argv[i];
k++;
break;
default:
fprintf(stderr, "%s: extra argument %s\n", argv[0], argv[i]);
return EX_USAGE;
}
i++;
j=1;
}
}
if (k < 2){
fprintf(stderr, "%s: insufficient arguments\n", __func__);
return EX_USAGE;
}
if (register_signals_us() < 0)
return EX_SOFTWARE;
x = create_udp_spead_socket(host, port);
if (x == NULL){
return EX_SOFTWARE;
}
switch (flag){
case 0: /*sender*/
#ifdef DEBUG
fprintf(stderr, "%s: running sender\n", __func__);
#endif
#if 0
if (connect_spead_socket(x) < 0){
goto cleanup;
}
#endif
#if 1
if (run_sender(x) < 0){
#ifdef DEBUG
fprintf(stderr, "%s: run sender fail\n", __func__);
#endif
}
#endif
break;
case 1: /*receiver*/
#ifdef DEBUG
fprintf(stderr, "%s: running receiver\n", __func__);
#endif
#if 0
if (bind_spead_socket(x) < 0){
goto cleanup;
}
#endif
#if 1
if (run_receiver(x) < 0){
#ifdef DEBUG
fprintf(stderr, "%s: run receiver fail\n", __func__);
#endif
}
#endif
break;
}
cleanup:
destroy_spead_socket(x);
destroy_shared_mem();
#ifdef DEBUG
fprintf(stderr,"%s: done\n", __func__);
#endif
return 0;
}
