/*
 * fc-rfcal-txcheck is a debug utility implementing just one part
 * of the fc-rfcal-txband 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 <unistd.h>
#include <rvinterf/l1tm.h>
#include <rvinterf/exitcodes.h>
#include "stdband.h"

extern double tx_power_meas();

static struct band {
	char		*name;
	unsigned	rfpw_std_band;
	unsigned	default_arfcn;
	unsigned	start_plnum;
	unsigned	end_plnum;
	int		spec_max_dbm;
} bands[] = {
	{"850",  RFPW_STD_BAND_850,  190, 5, 19, 33},
	{"900",  RFPW_STD_BAND_900,   40, 5, 19, 33},
	{"1800", RFPW_STD_BAND_1800, 700, 0, 15, 30},
	{"1900", RFPW_STD_BAND_1900, 660, 0, 15, 30},
	{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);
}

main(argc, argv)
	char **argv;
{
	unsigned plnum;
	double meas;
	int spec_dbm;

	socket_pathname_options(argc, argv);
	finish_cmdline(argc, argv);
	connect_rvinterf_socket();
	connect_tsid_socket();
	setlinebuf(stdout);	/* to allow logging with tee */
	printf("Preparing RF test system for %s MHz Tx calibration\n",
		selected_band->name);
	do_txpwr_cal_setup(selected_band->name, arfcn);

	printf("Putting the DUT into Test Mode\n");
	do_tms(1);
	do_rfpw(STD_BAND_FLAG, selected_band->rfpw_std_band);
	do_rfpw(TCH_ARFCN, arfcn);
	do_rfpw(AFC_ENA_FLAG, 0);
	printf("Starting RF Tx on the DUT\n");
	do_rfe(RX_TX_TCH);

	spec_dbm = selected_band->spec_max_dbm;
	for (plnum = selected_band->start_plnum;
	     plnum <= selected_band->end_plnum; plnum++, spec_dbm -= 2) {
		do_txpw(TX_PWR_LEVEL, plnum);
		usleep(20000);
		meas = tx_power_meas();
		printf(
		    "Tx power level #%u: spec %d dBm, meas %.2f dBm (%+.2f)\n",
			plnum, spec_dbm, meas, meas - spec_dbm);
	}

	printf("Stopping RF Tx on the DUT\n");
	do_rfe(STOP_ALL);
	exit(0);
}