Compile: gcc -Wall ex_read_tuner.c -o ex_read_tuner

ex_read_tuner.c

#include <fcntl.h>
#include <sys/ioctl.h>
#include <linux/dvb/frontend.h>


int main(void)
{
    struct dvb_frontend_info info_tuner;
    int fd = open("/dev/dvb/adapter0/frontend0", O_RDONLY);

    if (!fd) {
        perror ("open");
        return -1;
    }
    if (ioctl(fd, FE_GET_INFO, &info_tuner) == -1) {
        perror("ioctl");
        return -1;
    }
    printf("Informasi Tuner:\n");
    printf("Nama Perangkat: %s\n"
           "Freq min: %d\n"
           "Freq max: %d\n"
           "Freq step: %d\n"
           "Freq tolerance: %d\n"
           "Symbol rate min: %d\n"
           "Symbol rate max: %d\n"
           "Symbol rate tolerance: %d\n",
           info_tuner.name,
           info_tuner.frequency_min,
           info_tuner.frequency_max,
           info_tuner.frequency_stepsize,
           info_tuner.frequency_tolerance,
           info_tuner.symbol_rate_min,
           info_tuner.symbol_rate_max,
           info_tuner.symbol_rate_tolerance);

    return 0;
}