/*
 *  Hamlib miniVNA backend - main file
 *  Copyright (c) 2001-2004 by Stephane Fillod
 *
 *	$Id: miniVNA.c,v 1.1 2008-03-05 20:31:08 f4dwv Exp $
 *
 *   This library is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU Library General Public License as
 *   published by the Free Software Foundation; either version 2 of
 *   the License, or (at your option) any later version.
 *
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *   GNU Library General Public License for more details.
 *
 *   You should have received a copy of the GNU Library General Public
 *   License along with this library; if not, write to the Free Software
 *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include <stdio.h>
#include <stdlib.h>
#include <string.h>  /* String function definitions */
#include <unistd.h>  /* UNIX standard function definitions */
#include <math.h>

#include "hamlib/rig.h"
#include "serial.h"
#include "misc.h"
#include "idx_builtin.h"
#include "register.h"

#include "miniVNA.h"

#define DDS_RATIO 10.73741824

static int miniVNA_set_freq(RIG *rig, vfo_t vfo, freq_t freq)
{
  char fstr[20];
  char cmdstr[40];
  int retval;

  sprintf_freq(fstr, freq);
  rig_debug(RIG_DEBUG_VERBOSE,"%s called: %s %s\n", __FUNCTION__, 
 			rig_strvfo(vfo), fstr);

  serial_flush(&rig->state.rigport);

  sprintf(cmdstr,"0\r%ld\r1\r0\r",(long int)(freq*DDS_RATIO));

  retval = write_block(&rig->state.rigport, cmdstr, strlen(cmdstr));
  if (retval != RIG_OK)
	return retval;

  return RIG_OK;
}


static const char *miniVNA_get_info(RIG *rig)
{
  rig_debug(RIG_DEBUG_VERBOSE, "%s called\n", __FUNCTION__);

  return "miniVNA";
}

const struct rig_caps miniVNA_caps = {
  .rig_model =      RIG_MODEL_MINIVNA,
  .model_name =     "miniVNA",
  .mfg_name =       "mRS",
  .version =        "0.1",
  .copyright = 	 "LGPL",
  .status =         RIG_STATUS_ALPHA,
  .rig_type =       RIG_TYPE_OTHER,
  .port_type =      RIG_PORT_SERIAL,
  .serial_rate_min =  115200,
  .serial_rate_max =  115200,
  .serial_data_bits =  8,
  .serial_stop_bits =  1,
  .serial_parity =  RIG_PARITY_NONE,
  .serial_handshake =  RIG_HANDSHAKE_NONE,
  .write_delay =  0,
  .post_write_delay =  1,
  .timeout =  1000,
  .retry =  3,

  .rx_range_list1 =  { {.start=kHz(100),.end=MHz(180),.modes=RIG_MODE_NONE, .low_power=-1,.high_power=-1,RIG_VFO_A},
		    RIG_FRNG_END, },
  .tx_range_list1 =   { {.start=kHz(100),.end=MHz(180),.modes=RIG_MODE_NONE, .low_power=-1,.high_power=-1,RIG_VFO_A},
		    RIG_FRNG_END, },
  .tuning_steps =  { {RIG_MODE_NONE,1}, RIG_TS_END, },

  .set_freq =     miniVNA_set_freq,
};

DECLARE_INITRIG_BACKEND(miniVNA)
{
	rig_debug(RIG_DEBUG_VERBOSE, "miniVNA: _init called\n");

	rig_register(&miniVNA_caps);

	return RIG_OK;
}