diff options
Diffstat (limited to 'host/examples/tx_samples_c.c')
| -rw-r--r-- | host/examples/tx_samples_c.c | 21 |
1 files changed, 18 insertions, 3 deletions
diff --git a/host/examples/tx_samples_c.c b/host/examples/tx_samples_c.c index ebf368ec7..e10d585ce 100644 --- a/host/examples/tx_samples_c.c +++ b/host/examples/tx_samples_c.c @@ -21,6 +21,7 @@ #include <math.h> #include <signal.h> +#include <stdint.h> #include <stdio.h> #include <stdlib.h> #include <string.h> @@ -39,6 +40,7 @@ void print_help(void){ " -f (frequency in Hz)\n" " -r (sample rate in Hz)\n" " -g (gain)\n" + " -n (number of samples to transmit)\n" " -v (enable verbose prints)\n" " -h (print this help message)\n"); } @@ -57,12 +59,13 @@ int main(int argc, char* argv[]){ double gain = 0; char* device_args = ""; size_t channel = 0; + uint64_t total_num_samps = 0; bool verbose = false; int return_code = EXIT_SUCCESS; char error_string[512]; // Process options - while((option = getopt(argc, argv, "a:f:r:g:vh")) != -1){ + while((option = getopt(argc, argv, "a:f:r:g:n:vh")) != -1){ switch(option){ case 'a': device_args = strdup(optarg); @@ -80,6 +83,10 @@ int main(int argc, char* argv[]){ gain = atof(optarg); break; + case 'n': + total_num_samps = atoll(optarg); + break; + case 'v': verbose = true; break; @@ -198,11 +205,19 @@ int main(int argc, char* argv[]){ fprintf(stderr, "Press Ctrl+C to stop streaming...\n"); // Actual streaming - size_t num_samps_sent = 0; - while(!stop_signal_called){ + uint64_t num_acc_samps = 0; + uint64_t num_samps_sent = 0; + + while(1) { + if (stop_signal_called) break; + if (total_num_samps > 0 && num_acc_samps >= total_num_samps) break; + EXECUTE_OR_GOTO(free_tx_streamer, uhd_tx_streamer_send(tx_streamer, buffs_ptr, samps_per_buff, &md, 0.1, &num_samps_sent) ) + + num_acc_samps += num_samps_sent; + if(verbose){ fprintf(stderr, "Sent %zu samples\n", num_samps_sent); } |