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add test app for new modulator API

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This commit is contained in:
Ralph Metzler 2016-09-02 17:37:15 +02:00
parent 85b1447059
commit 570a565f37
2 changed files with 50 additions and 0 deletions
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3
apps/Makefile
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@ -9,6 +9,9 @@ modt: modt.c
setmod: setmod.c
gcc -o setmod setmod.c -I../include/
setmod2: setmod2.c
gcc -o setmod2 setmod2.c -I../include/
flashprog: flashprog.c
gcc -o flashprog flashprog.c

47
apps/setmod2.c Normal file
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@ -0,0 +1,47 @@
#include <errno.h>
#include <stdio.h>
#include <ctype.h>
#include <string.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <stdint.h>
#include <stdlib.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include <pthread.h>
#include <linux/dvb/mod.h>
static int set_property(int fd, uint32_t cmd, uint32_t data)
{
struct dtv_property p;
struct dtv_properties c;
int ret;
p.cmd = cmd;
c.num = 1;
c.props = &p;
p.u.data = data;
ret = ioctl(fd, FE_SET_PROPERTY, &c);
if (ret < 0) {
fprintf(stderr, "FE_SET_PROPERTY returned %d\n", errno);
return -1;
}
return 0;
}
int main()
{
int fd;
struct dvb_mod_params mp;
struct dvb_mod_channel_params mc;
fd = open("/dev/dvb/adapter0/mod0", O_RDONLY);
set_property(fd, MOD_MODULATION, QAM_256);
set_property(fd, MOD_SYMBOL_RATE, 6900000);
set_property(fd, MOD_FREQUENCY, 114000000);
close(fd);
}