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add options to setmod app for type 3 mods

This commit is contained in:
Ralph Metzler 2019-08-05 16:02:34 +02:00
parent 35e0de3968
commit d293b9a702
1 changed files with 79 additions and 15 deletions
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94
apps/setmod3.c
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@ -10,6 +10,7 @@
#include <fcntl.h>
#include <sys/ioctl.h>
#include <pthread.h>
#include <getopt.h>
#include <linux/dvb/mod.h>
@ -51,33 +52,96 @@ static int get_property(int fd, uint32_t cmd, uint32_t *data)
int main()
int main(int argc, char*argv[])
{
int fd;
struct dvb_mod_params mp;
struct dvb_mod_channel_params mc;
uint32_t data;
int adapter = 0, channel = 0, gain = -1;
int32_t base = -1, freq = -1, rate = -1;
char mod_name[128];
fd = open("/dev/dvb/adapter0/mod0", O_RDONLY);
while (1) {
int cur_optind = optind ? optind : 1;
int option_index = 0;
int c;
static struct option long_options[] = {
{"adapter", required_argument, 0, 'a'},
{"channel", required_argument, 0, 'c'},
{"gain", required_argument, 0, 'g'},
{"base", required_argument, 0, 'b'},
{"frequency", required_argument, 0, 'f'},
{"rate", required_argument, 0, 'r'},
{0, 0, 0, 0}
};
c = getopt_long(argc, argv,
"a:c:g:b:f:r:",
long_options, &option_index);
if (c==-1)
break;
switch (c) {
case 'a':
adapter = strtoul(optarg, NULL, 0);
break;
case 'c':
channel = strtoul(optarg, NULL, 0);
break;
case 'g':
gain = strtoul(optarg, NULL, 0);
break;
case 'b':
base = strtoul(optarg, NULL, 0);
break;
case 'f':
freq = strtoul(optarg, NULL, 0);
break;
case 'r':
if (!strcmp(optarg, "DVBT_8"))
rate = SYS_DVBT_8;
else if (!strcmp(optarg, "DVBT_7"))
rate = SYS_DVBT_7;
else if (!strcmp(optarg, "DVBT_6"))
rate = SYS_DVBT_6;
else if (!strcmp(optarg, "ISDBT_6"))
rate = SYS_ISDBT_6;
else rate = strtoul(optarg, NULL, 0);
break;
default:
break;
}
}
if (optind < argc) {
printf("too man arguments\n");
exit(1);
}
snprintf(mod_name, 127, "/dev/dvb/adapter%d/mod%d", adapter, channel);
fd = open(mod_name, O_RDONLY);
if (fd < 0) {
printf("Could not open modulator device.\n");
exit(1);
}
/* gain 0-255 */
get_property(fd, MODULATOR_GAIN, &data);
printf("Modulator gain = %u\n", data);
set_property(fd, MODULATOR_GAIN, 100);
//get_property(fd, MODULATOR_GAIN, &data);
//printf("Modulator gain = %u\n", data);
//set_property(fd, MODULATOR_GAIN, 100);
get_property(fd, MODULATOR_GAIN, &data);
printf("Modulator gain = %u\n", data);
//get_property(fd, MODULATOR_ATTENUATOR, &data);
//printf("Modulator attenuator = %u\n", data);
get_property(fd, MODULATOR_ATTENUATOR, &data);
printf("Modulator attenuator = %u\n", data);
get_property(fd, MODULATOR_STATUS, &data);
printf("Modulator status = %u\n", data);
set_property(fd, MODULATOR_STATUS, 2);
if (base > 0)
set_property(fd, MODULATOR_BASE_FREQUENCY, base);
if (freq > 0)
set_property(fd, MODULATOR_FREQUENCY, base);
if (rate > 0)
set_property(fd, MODULATOR_OUTPUT_RATE, rate);
//set_property(fd, MODULATOR_RESET, 0);
close(fd);
}