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authorJonathan McCrohan <jmccrohan@gmail.com>2013-09-17 00:36:05 +0100
committerJonathan McCrohan <jmccrohan@gmail.com>2013-09-17 00:36:05 +0100
commit60584e13787af008063469fba29334090d56d8d4 (patch)
tree0cc62ecfe2e6b91d5b758f8813b0374c098b0541 /util/szap/czap.c
parent5501530a778ad588a8ccd3f1584ea58f74c0cec9 (diff)
downloadlinux-dvb-apps-upstream.tar.gz
Imported Upstream version 1.1.1+rev1500upstream/1.1.1+rev1500upstream
Diffstat (limited to 'util/szap/czap.c')
-rw-r--r--util/szap/czap.c24
1 files changed, 11 insertions, 13 deletions
diff --git a/util/szap/czap.c b/util/szap/czap.c
index 8a97d98..f49c524 100644
--- a/util/szap/czap.c
+++ b/util/szap/czap.c
@@ -180,32 +180,30 @@ int parse(const char *fname, int list_channels, int chan_no, const char *channel
}
-static
-int setup_frontend(int fe_fd, struct dvb_frontend_parameters *frontend)
+static int setup_frontend(int fe_fd, struct dvb_frontend_parameters *frontend)
{
- struct dvb_frontend_info fe_info;
+ int ret;
+ uint32_t mstd;
- if (ioctl(fe_fd, FE_GET_INFO, &fe_info) < 0) {
- PERROR ("ioctl FE_GET_INFO failed");
+ if (check_frontend(fe_fd, FE_QAM, &mstd) < 0) {
+ close(fe_fd);
return -1;
}
-
- if (fe_info.type != FE_QAM) {
- ERROR ("frontend device is not a QAM (DVB-C) device");
+ ret = dvbfe_set_delsys(fe_fd, SYS_DVBC_ANNEX_A);
+ if (ret) {
+ PERROR("SET Delsys failed");
return -1;
}
-
if (ioctl(fe_fd, FE_SET_FRONTEND, frontend) < 0) {
PERROR ("ioctl FE_SET_FRONTEND failed");
return -1;
}
-
return 0;
}
static
-int check_frontend (int fe_fd, int human_readable)
+int monitor_frontend (int fe_fd, int human_readable)
{
fe_status_t status;
uint16_t snr, signal;
@@ -347,7 +345,7 @@ int main(int argc, char **argv)
if (list_channels)
return 0;
- if ((frontend_fd = open(FRONTEND_DEV, O_RDWR)) < 0) {
+ if ((frontend_fd = open(FRONTEND_DEV, O_RDWR | O_NONBLOCK)) < 0) {
PERROR("failed opening '%s'", FRONTEND_DEV);
return -1;
}
@@ -393,7 +391,7 @@ int main(int argc, char **argv)
if (set_pesfilter (audio_fd, apid, DMX_PES_AUDIO, dvr) < 0)
return -1;
- check_frontend (frontend_fd, human_readable);
+ monitor_frontend (frontend_fd, human_readable);
close (pat_fd);
close (pmt_fd);