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limit the number of modulators used with -m option

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This commit is contained in:
drmocm
2023-02-04 15:19:11 +01:00
parent c78905d4a2
commit 4bf1f48926
1 changed files with 24 additions and 16 deletions
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40
apps/modtest.c
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@@ -1029,8 +1029,8 @@ void set_dvbt_mods(int adapt, int chans, uint32_t start_freq, write_data *wd)
wd->tp[i].code_rate = 4;
wd->tp[i].trans_mode = MOD_STANDARD_DVBT_8;
device = malloc(sizeof(char)*25);
snprintf(device,24,"/dev/dvb/adapter%d/mod%d",adapt,i);
device = malloc(sizeof(char)*40);
snprintf(device,35,"/dev/dvb/adapter%d/mod%d",adapt,i);
fd = open(device, O_RDWR);
if( fd < 0 )
{
@@ -1109,8 +1109,8 @@ void set_dvbc_mods(int adapt, int chans, uint32_t start_freq, write_data *wd)
wd->tp[i].code_rate = 0;
wd->tp[i].trans_mode = 0;
device = malloc(sizeof(char)*25);
snprintf(device,24,"/dev/dvb/adapter%d/mod%d",adapt,i);
device = malloc(sizeof(char)*40);
snprintf(device,35,"/dev/dvb/adapter%d/mod%d",adapt,i);
fd = open(device, O_RDWR);
if( fd < 0 )
{
@@ -1156,19 +1156,20 @@ static void usage(char *progname)
{
printf ("usage: %s [options] <input files>\n\n",progname);
printf ("options:\n");
printf (" --adapter, -a : adapter number of modulator card\n");
printf (" --file, -i : input filename(default test.ts)\n");
printf (" --frequency, -f : start frequency in MHz( default DVB_C 114MHz, DVB-T 474MHz)\n");
printf (" --dvbt, -t : modulator is DVB-T\n");
printf (" --NIT, -n : write a minimal NIT for fatser scan\n");
printf (" --help, -h : print help message\n");
printf (" --adapter <n>, -a <n> : adapter number <n> of modulator card\n");
printf (" --mods <n>, -m <n> : number <n> of modulators to use\n");
printf (" --file, -i : input filename(default test.ts)\n");
printf (" --frequency, -f : start frequency in MHz( default DVB_C 114MHz, DVB-T 474MHz)\n");
printf (" --dvbt, -t : modulator is DVB-T\n");
printf (" --NIT, -n : write a minimal NIT for fatser scan\n");
printf (" --help, -h : print help message\n");
printf ("\n");
printf ("\n");
exit(1);
}
static int parse_cl(int argc, char * const argv[], char **filename)
static int parse_cl(int argc, char * const argv[], char **filename, int *chans)
{
int c;
int fset = 0;
@@ -1184,12 +1185,13 @@ static int parse_cl(int argc, char * const argv[], char **filename)
{"dvbt", no_argument , NULL, 't'},
{"NIT", no_argument , NULL, 'n'},
{"adapter", required_argument , NULL, 'a'},
{"mods", required_argument , NULL, 'm'},
{"file", required_argument , NULL, 'i'},
{"frequency", required_argument , NULL, 'f'},
{NULL, 0, NULL, 0}
};
c = getopt_long (argc, argv, "ha:i:f:nt",long_options,
c = getopt_long (argc, argv, "ha:i:f:ntm:",long_options,
&option_index);
if (c == -1)
@@ -1200,6 +1202,10 @@ static int parse_cl(int argc, char * const argv[], char **filename)
adapt = (int)strtol(optarg,(char **)NULL, 0);
break;
case 'm':
*chans = (int)strtol(optarg,(char **)NULL, 0);
break;
case 'f':
fset = 1;
start_freq = strtoul(optarg, NULL, 0)*1000000;
@@ -1248,9 +1254,10 @@ int main(int argc, char **argv)
write_data wd;
int fd_out;
int fd_in;
int chans = 0;
printf("%s \n\n", progn);
adapt = parse_cl(argc, argv, &filename);
adapt = parse_cl(argc, argv, &filename, &chans);
if (check_dvb(&ddevices)<0){
fprintf(stderr,"No DVB devices found\n");
exit(1);
@@ -1290,7 +1297,8 @@ int main(int argc, char **argv)
exit(1);
}
int chans = ddevices.ndevs[adapt];
if (chans<1 || chans >ddevices.ndevs[adapt] )
chans = ddevices.ndevs[adapt];
if (dvbt){
set_dvbt_mods(adapt, chans, start_freq, &wd);
@@ -1299,9 +1307,9 @@ int main(int argc, char **argv)
}
fprintf(stderr,"Reading from %s\n", filename);
device = malloc(sizeof(char)*25);
device = malloc(sizeof(char)*40);
for (int m= 0; m < chans; m++){
snprintf(device,24,"/dev/dvb/adapter%d/mod%d",adapt,m);
snprintf(device,35,"/dev/dvb/adapter%d/mod%d",adapt,m);
fd_out = open(device, O_WRONLY);
wd.fd_out[m] = fd_out;
wd.fd_in = fd_in;