diff options
| author | Steve Markgraf <steve@steve-m.de> | 2012-05-29 02:40:49 +0200 |
|---|---|---|
| committer | Steve Markgraf <steve@steve-m.de> | 2012-05-29 02:40:49 +0200 |
| commit | 92d936568cd33e4f093abece3db10b596e0697d0 (patch) | |
| tree | a2abe9a85d7ab9e015a4da6ec8f437a487f6078d /src/rtl_tcp.c | |
| parent | d08c4770abbd13ad8f474adc709adb20996662d5 (diff) | |
rtl_tcp: add parameter for changing number of buffers
This is useful for devices with low memory, e.g.
routers with OpenWRT (decrease to 8 for example).
Signed-off-by: Steve Markgraf <steve@steve-m.de>
Diffstat (limited to 'src/rtl_tcp.c')
| -rw-r--r-- | src/rtl_tcp.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/src/rtl_tcp.c b/src/rtl_tcp.c index cee9036..6b63c0a 100644 --- a/src/rtl_tcp.c +++ b/src/rtl_tcp.c @@ -85,6 +85,7 @@ void usage(void) "\t[-f frequency to tune to [Hz]]\n" "\t[-g gain (default: 0 for auto)]\n" "\t[-s samplerate in Hz (default: 2048000 Hz)]\n" + "\t[-b number of buffers (default: 32, set by library)]\n" "\t[-d device index (default: 0)]\n"); exit(1); } @@ -308,7 +309,7 @@ int main(int argc, char **argv) uint32_t frequency = 100000000, samp_rate = 2048000; struct sockaddr_in local, remote; int device_count; - uint32_t dev_index = 0; + uint32_t dev_index = 0, buf_num = 0; int gain = 0; struct llist *curelem,*prev; pthread_attr_t attr; @@ -326,7 +327,7 @@ int main(int argc, char **argv) struct sigaction sigact; #endif - while ((opt = getopt(argc, argv, "a:p:f:g:s:d:")) != -1) { + while ((opt = getopt(argc, argv, "a:p:f:g:s:b:d:")) != -1) { switch (opt) { case 'd': dev_index = atoi(optarg); @@ -346,6 +347,9 @@ int main(int argc, char **argv) case 'p': port = atoi(optarg); break; + case 'b': + buf_num = atoi(optarg); + break; default: usage(); break; @@ -474,7 +478,8 @@ int main(int argc, char **argv) r = pthread_create(&command_thread, &attr, command_worker, NULL); pthread_attr_destroy(&attr); - rtlsdr_wait_async(dev, rtlsdr_callback, (void *)0); + r = rtlsdr_read_async(dev, rtlsdr_callback, (void *)0, + buf_num, 0); closesocket(s); if(!dead[0]) |