#include <stdio.h>
#include <stdlib.h>
#include <limits.h>
#include <string.h>
#include <errno.h>
#include <sys/ioctl.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/poll.h>
#include <sys/param.h>
#include <fcntl.h>
#include <time.h>
#include <unistd.h>

#include <stdint.h>
#include <sys/time.h>

#include <linux/dvb/frontend.h>

tv_properties_t _qam_cmdseq = {
	{ .cmd = TV_SEQ_START },
	{ .cmd = TV_SET_FREQUENCY,  .u.data = 561000000 },
	{ .cmd = TV_SET_MODULATION, .u.data = QAM_AUTO },
	{ .cmd = TV_SET_INVERSION,  .u.data = INVERSION_AUTO },
	{ .cmd = TV_SET_BANDWIDTH,  .u.data = BANDWIDTH_AUTO },
	{ .cmd = TV_SEQ_COMPLETE },
	{ .cmd = 0 },
};

tv_properties_t _8psk_cmdseq = {
	{ .cmd = TV_SEQ_START },
	{ .cmd = TV_SET_FREQUENCY,  .u.data = 12051000 },
	{ .cmd = TV_SET_MODULATION, .u.data = _8PSK },
	{ .cmd = TV_SET_SYMBOLRATE, .u.data = 27500 },
	{ .cmd = TV_SET_INNERFEC,   .u.data = FEC_AUTO },
	{ .cmd = TV_SET_VOLTAGE,    .u.data = SEC_VOLTAGE_13 },
	{ .cmd = TV_SET_INVERSION,  .u.data = INVERSION_AUTO },
	{ .cmd = TV_SET_PILOT,      .u.data = PILOT_AUTO },
	{ .cmd = TV_SET_ROLLOFF,    .u.data = ROLLOFF_AUTO },
	{ .cmd = TV_SEQ_COMPLETE },
	{ .cmd = 0 },
};

tv_properties_t _diseqc_cmdseq = {
	{ .cmd = TV_SET_TONE,          .u.data = SEC_TONE_OFF },
	{ .cmd = TV_SET_VOLTAGE,       .u.data = SEC_VOLTAGE_13 },
	{ .cmd = TV_SET_DISEQC_MASTER,
		.u.buffer.len     = 3,
		.u.buffer.data[0] = 0,
		.u.buffer.data[1] = 0,
		.u.buffer.data[2] = 0,
	 },
};

void print_status(fe_status_t festatus)
{
	printf("FE_STATUS:");
	if (festatus & FE_HAS_SIGNAL) printf(" FE_HAS_SIGNAL");
	if (festatus & FE_TIMEDOUT) printf(" FE_TIMEDOUT");
	if (festatus & FE_HAS_LOCK) printf(" FE_HAS_LOCK");
	if (festatus & FE_HAS_CARRIER) printf(" FE_HAS_CARRIER");
	if (festatus & FE_HAS_VITERBI) printf(" FE_HAS_VITERBI");
	if (festatus & FE_HAS_SYNC) printf(" FE_HAS_SYNC");
	printf("\n");
}

int main(int argc, char **argv[])
{
	int result, fefd = -1;
	fe_status_t festatus;

	if ((fefd = open("/dev/dvb/adapter0/frontend0", O_RDWR | O_NONBLOCK)) < 0) {
		perror("open failed");
		return -1;
	}

	printf("ioctl result = %d\n", 
		//ioctl(fefd, FE_SET_PROPERTY, &_qam_cmdseq));
		ioctl(fefd, FE_SET_PROPERTY, &_8psk_cmdseq));

	while(1) {
		result = ioctl(fefd, FE_READ_STATUS, &festatus);
		printf("ioctl result = %d, [ 0x%02x ] = ", result, festatus);
		print_status(festatus);

		usleep(1 * 1000000);
	}
	
	close(fefd);

	return 0;
}