/*
 * fc-rfcal-gmagic is a debug utility implementing just one part
 * of the fc-rfcal-rxband process in a standalone manner;
 * this module contains the main() function for this standalone utlity.
 */

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <strings.h>
#include <rvinterf/l1tm.h>
#include <rvinterf/exitcodes.h>
#include "rxcaldefs.h"
#include "stdband.h"

static struct band {
	char		*name;
	unsigned	rfpw_std_band;
	unsigned	default_arfcn;
} bands[] = {
	{"850",  RFPW_STD_BAND_850,  189},
	{"900",  RFPW_STD_BAND_900,   37},
	{"1800", RFPW_STD_BAND_1800, 698},
	{"1900", RFPW_STD_BAND_1900, 661},
	{0,	 0,		     0}
};
static struct band *selected_band;
static unsigned arfcn;

finish_cmdline(argc, argv)
	char **argv;
{
	extern int optind;
	struct band *band;

	if (argc - optind < 1 || argc - optind > 2) {
		fprintf(stderr, "usage: %s band [arfcn]\n", argv[0]);
		exit(ERROR_USAGE);
	}
	for (band = bands; band->name; band++)
		if (!strcmp(band->name, argv[optind]))
			break;
	if (!band->name) {
		fprintf(stderr, "error: \"%s\" is not a known band\n",
			argv[optind]);
		exit(ERROR_USAGE);
	}
	selected_band = band;
	if (argv[optind+1])
		arfcn = atoi(argv[optind+1]);
	else
		arfcn = band->default_arfcn;
	return(0);
}

prepare_rf_test_system()
{
	char cmd[80];

	printf("Preparing RF test system for %s MHz Rx calibration\n",
		selected_band->name);
	sprintf(cmd, "signal-gen-setup %s\n", selected_band->name);
	tsid_command(cmd);
	return(0);
}

main(argc, argv)
	char **argv;
{
	int pm, Gmagic;
	char Gmagic_db[64];

	socket_pathname_options(argc, argv);
	finish_cmdline(argc, argv);
	connect_rvinterf_socket();
	connect_tsid_socket();
	setlinebuf(stdout);	/* to allow logging with tee */
	prepare_rf_test_system();

	printf("Putting the DUT into Test Mode\n");
	do_tms(1);
	do_rfpw(STD_BAND_FLAG, selected_band->rfpw_std_band);
	l1tm_setup_for_rxcal();
	pm = rx_measure(arfcn);
	Gmagic = pm - RXCAL_SIGGEN_LEVEL - RXCAL_AGC_DB * 2;
	halfdb_to_string(Gmagic, Gmagic_db);
	printf("GMagic=%d (%s dB)\n", Gmagic, Gmagic_db);
	exit(0);
}