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th.c

/*
 *  Hamlib Kenwood backend - TH handheld primitives
 *  Copyright (c) 2001-2005 by Stephane Fillod
 *
 *    $Id: th.c,v 1.30 2006/04/13 19:43:49 pa4tu 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 <stdlib.h>
#include <stdio.h>
#include <string.h>  /* String function definitions */
#include <unistd.h>  /* UNIX standard function definitions */

#include "hamlib/rig.h"
#include "kenwood.h"
#include "th.h"
#include "serial.h"
#include "misc.h"

const struct kenwood_priv_caps  th_priv_caps  = {
    .cmdtrm =  EOM_TH,
};
/* Note: Currently the code assumes the command termination is a
 * single character.
 */

#define EOM EOM_TH

/*
 * modes in use by the "MD" command
 */
#define MD_FM     '0'
#define MD_WFM    '1'         /* or is it AM on the THD7? */
#define MD_AM     '2'
#define MD_LSB    '3'
#define MD_USB    '4'
#define MD_CW     '5'

#define ACKBUF_LEN  64

/*
 * th_decode_event is called by sa_sigio, when some asynchronous
 * data has been received from the rig.
 */
int
th_decode_event (RIG *rig)
{
    char asyncbuf[128];
    int retval;
    size_t async_len=128;

    rig_debug(RIG_DEBUG_TRACE, "%s: called\n", __FUNCTION__);

    retval = kenwood_transaction(rig, NULL, 0, asyncbuf, &async_len);
    if (retval != RIG_OK)
        return retval;

    rig_debug(RIG_DEBUG_TRACE, "%s: Decoding message\n", __FUNCTION__);

    /* --------------------------------------------------------------------- */
    if (async_len> 3 && asyncbuf[0] == 'B' && asyncbuf[1] == 'U' && asyncbuf[2] == 'F') {

        vfo_t vfo;
        freq_t freq, offset;
        int mode;
        int step, shift, rev, tone, ctcss, tonefq, ctcssfq;

        retval = sscanf(asyncbuf, "BUF %d,%"SCNfreq",%d,%d,%d,%d,%d,,%d,,%d,%"SCNfreq",%d",
                                  &vfo, &freq, &step, &shift, &rev, &tone,
                                  &ctcss, &tonefq, &ctcssfq, &offset, &mode);

        if (retval != 11) {
            rig_debug(RIG_DEBUG_ERR, "%s: Unexpected BUF message '%s'\n", __FUNCTION__, asyncbuf);
            return -RIG_ERJCTED;
        }

        /* Calibration and conversions */
        vfo = (vfo == 0) ? RIG_VFO_A : RIG_VFO_B;
        mode = (mode == 0) ? RIG_MODE_FM : RIG_MODE_AM;

        rig_debug(RIG_DEBUG_TRACE, "%s: Buffer (vfo %d, freq %"PRIfreq" Hz, mode %d)\n", __FUNCTION__, vfo, freq, mode);

        /* Callback execution */
        if (rig->callbacks.vfo_event) {
            rig->callbacks.vfo_event(rig, vfo, rig->callbacks.vfo_arg);
        }
        if (rig->callbacks.freq_event) {
            rig->callbacks.freq_event(rig, vfo, freq, rig->callbacks.freq_arg);
        }
        if (rig->callbacks.mode_event) {
            rig->callbacks.mode_event(rig, vfo, mode, RIG_PASSBAND_NORMAL,
                                          rig->callbacks.mode_arg);
        }

    /* --------------------------------------------------------------------- */
    } else if (async_len> 2 && asyncbuf[0] == 'S' && asyncbuf[1] == 'M') {

        vfo_t vfo;
        int lev;
        retval = sscanf(asyncbuf, "SM %d,%d", &vfo, &lev);
        if (retval != 2) {
            rig_debug(RIG_DEBUG_ERR, "%s: Unexpected SM message '%s'\n", __FUNCTION__, asyncbuf);
            return -RIG_ERJCTED;
        }

        /* Calibration and conversions */
        vfo = (vfo == 0) ? RIG_VFO_A : RIG_VFO_B;

        rig_debug(RIG_DEBUG_TRACE, "%s: Signal strength event - signal = %.3f\n", __FUNCTION__, (float)(lev / 5.0));

        /* Callback execution */
#if STILLHAVETOADDCALLBACK
        if (rig->callbacks.strength_event)
            rig->callbacks.strength_event(rig, vfo,(float)(lev / 5.0),
                                          rig->callbacks.strength_arg);
#endif

    /* --------------------------------------------------------------------- */
    } else if (async_len > 2 && asyncbuf[0] == 'B' && asyncbuf[1] == 'Y') {

        vfo_t vfo;
        int busy;

        retval = sscanf(asyncbuf, "BY %d,%d", &vfo, &busy);
        if (retval != 2) {
            rig_debug(RIG_DEBUG_ERR, "%s: Unexpected BY message '%s'\n", __FUNCTION__, asyncbuf);
            return -RIG_ERJCTED;
        }
        vfo = (vfo == 0) ? RIG_VFO_A : RIG_VFO_B;
        rig_debug(RIG_DEBUG_TRACE, "%s: Busy event - status = '%s'\n",
                        __FUNCTION__, (busy == 0) ? "OFF" : "ON" );
        return -RIG_ENIMPL;
        /* This event does not have a callback. */

    /* --------------------------------------------------------------------- */
    } else if (async_len > 2 && asyncbuf[0] == 'B' && asyncbuf[1] == 'C') {

        vfo_t vfo;
        retval = sscanf(asyncbuf, "BC %d", &vfo);
        if (retval != 1) {
            rig_debug(RIG_DEBUG_ERR, "%s: Unexpected BC message '%s'\n", __FUNCTION__, asyncbuf);
            return -RIG_ERJCTED;
        }
        vfo = (vfo == 0) ? RIG_VFO_A : RIG_VFO_B;

        rig_debug(RIG_DEBUG_TRACE, "%s: VFO event - vfo = %d\n", __FUNCTION__, vfo);
        if (rig->callbacks.vfo_event)
            rig->callbacks.vfo_event(rig, vfo, rig->callbacks.vfo_arg);

    /* --------------------------------------------------------------------- */
    } else {

        rig_debug(RIG_DEBUG_ERR, "%s: Unsupported transceive cmd '%s'\n", __FUNCTION__, asyncbuf);
        return -RIG_ENIMPL;
    }

    return RIG_OK;
}

/*
 * th_set_freq
 * Assumes rig!=NULL
 */
int
th_set_freq (RIG *rig, vfo_t vfo, freq_t freq)
{
    char freqbuf[ACKBUF_LEN], ackbuf[ACKBUF_LEN];
    int retval, step;
    size_t ack_len;
    long f;

    rig_debug(RIG_DEBUG_TRACE, "%s: called\n", __FUNCTION__);

      if(vfo!=RIG_VFO_CURR) {
            rig_debug(RIG_DEBUG_ERR, "%s: Unsupported VFO %d\n", __FUNCTION__, vfo);
            return -RIG_ENTARGET;
      }

    step = 1;
    f=(long) freq;
    sprintf(freqbuf, "FQ %011ld,%1d"EOM, f, step);
    ack_len = 0;
    retval = kenwood_transaction(rig, freqbuf, strlen(freqbuf), ackbuf, &ack_len);
    if (retval != RIG_OK)
        return retval;

    return RIG_OK;
}

/*
 * th_get_freq
 * Assumes rig!=NULL, freq!=NULL
 */
int
th_get_freq (RIG *rig, vfo_t vfo, freq_t *freq)
{
    char freqbuf[24], ackbuf[ACKBUF_LEN];
    int retval, step;
    size_t ack_len=ACKBUF_LEN;

    rig_debug(RIG_DEBUG_TRACE, "%s: called\n", __FUNCTION__);

      if(vfo!=RIG_VFO_CURR) {
            rig_debug(RIG_DEBUG_ERR, "%s: Unsupported VFO %d\n", __FUNCTION__, vfo);
            return -RIG_ENTARGET;
      }

    *freq = 0;

    sprintf(freqbuf, "FQ"EOM);
    retval = kenwood_transaction (rig, freqbuf, strlen(freqbuf), ackbuf, &ack_len);
    if (retval != RIG_OK)
        return retval;

    retval = sscanf(ackbuf, "FQ %"SCNfreq",%d",freq,&step);
    if (retval != 2) {
        rig_debug(RIG_DEBUG_ERR, "%s: Unexpected reply '%s'\n", __FUNCTION__, freqbuf);
        return -RIG_ERJCTED;
    }

    return RIG_OK;
}

/*
 * th_set_mode
 * Assumes rig!=NULL
 */
int
th_set_mode (RIG *rig, vfo_t vfo, rmode_t mode, pbwidth_t width)
{
    char kmode, mdbuf[24], ackbuf[ACKBUF_LEN];
    int retval;
    size_t ack_len;
    rig_debug(RIG_DEBUG_TRACE, "%s: called\n", __FUNCTION__);

      if(vfo!=RIG_VFO_CURR) {
            rig_debug(RIG_DEBUG_ERR, "%s: Unsupported VFO %d\n", __FUNCTION__, vfo);
            return -RIG_ENTARGET;
      }

    /* TODO: Find from rig->caps what modes can be supported. */
      switch (mode) {
    case RIG_MODE_FM:   kmode = '0'; break; /* TH-D7A(G) modes */
    case RIG_MODE_AM:   kmode = '1'; break;
      default:
        rig_debug(RIG_DEBUG_ERR,"%s: Unsupported Mode %d\n", __FUNCTION__, mode);
            return -RIG_EINVAL;
      }

    sprintf(mdbuf, "MD %c" EOM, kmode);
    ack_len = 0;
    retval = kenwood_transaction (rig, mdbuf, strlen(mdbuf), ackbuf, &ack_len);
      if (retval != RIG_OK)
        return retval;

    return RIG_OK;
}

/*
 * th_get_mode
 * Assumes rig!=NULL, mode!=NULL
 */
int
th_get_mode (RIG *rig, vfo_t vfo, rmode_t *mode, pbwidth_t *width)
{
    char vch, ackbuf[ACKBUF_LEN];
    int retval;
    size_t ack_len=ACKBUF_LEN;
    rig_debug(RIG_DEBUG_TRACE, "%s: called\n", __FUNCTION__);

      if(vfo!=RIG_VFO_CURR) {
            rig_debug(RIG_DEBUG_ERR, "%s: Unsupported VFO %d\n", __FUNCTION__, vfo);
            return -RIG_ENTARGET;
      }

    vch = '0';

    retval = kenwood_transaction (rig, "MD" EOM, 3, ackbuf, &ack_len);
      if (retval != RIG_OK)
            return retval;

    if (strlen(ackbuf) < 4 ) {
        rig_debug(RIG_DEBUG_ERR, "%s: Unexpected reply '%s'\n", __FUNCTION__, ackbuf);
        return -RIG_ERJCTED;
    }

      switch (ackbuf[3]) {
        case '0': *mode = RIG_MODE_FM; break;     /* TH-D7A(G) modes */
        case '1': *mode = RIG_MODE_AM; break;
        default:
            rig_debug(RIG_DEBUG_ERR, "%s: Unsupported Mode value '%c'\n", __FUNCTION__, ackbuf[3]);
            return -RIG_EINVAL;
      }

    if (width)
        *width = RIG_PASSBAND_NORMAL;
      return RIG_OK;
}

/*
 * th_set_vfo
 * Assumes rig!=NULL
 */
int
th_set_vfo (RIG *rig, vfo_t vfo)
{
    char vfobuf[16], ackbuf[ACKBUF_LEN];
    int retval;
    size_t ack_len;

    rig_debug(RIG_DEBUG_TRACE, "%s: called\n", __FUNCTION__);

      switch (vfo) {
        case RIG_VFO_A:
            sprintf(vfobuf, "VMC 0,0" EOM);
            break;
        case RIG_VFO_B:
            sprintf(vfobuf, "VMC 1,0" EOM);
            break;
        case RIG_VFO_VFO:
            sprintf(vfobuf, "VMC 0,0" EOM);
            break;
        case RIG_VFO_MEM:
            sprintf(vfobuf, "VMC 0,2" EOM);
            break;
        default:
            rig_debug(RIG_DEBUG_ERR, "%s: Unsupported VFO %d\n", __FUNCTION__, vfo);
            return -RIG_EVFO;
      }

    ack_len = 0;
    retval = kenwood_transaction(rig, vfobuf, strlen(vfobuf), ackbuf, &ack_len);
      if (retval != RIG_OK)
        return retval;

      switch (vfo) {
        case RIG_VFO_A:
            sprintf(vfobuf, "BC 0" EOM);
            break;
        case RIG_VFO_B:
            sprintf(vfobuf, "BC 1" EOM);
            break;
      default:
            return RIG_OK;
      }

    ack_len = 0;
    retval = kenwood_transaction(rig, vfobuf, strlen(vfobuf), ackbuf, &ack_len);
      if (retval != RIG_OK)
        return retval;

    return RIG_OK;
}

/*
 * th_get_vfo
 * Assumes rig!=NULL
 */
int
th_get_vfo (RIG *rig, vfo_t *vfo)
{
    char cmdbuf[16], ackbuf[ACKBUF_LEN],vfoc;
    int retval;
    size_t ack_len;

    rig_debug(RIG_DEBUG_TRACE, "%s: called\n", __FUNCTION__);

    ack_len=ACKBUF_LEN;
    retval = kenwood_transaction (rig, "BC" EOM, 3, ackbuf, &ack_len);
    if (retval != RIG_OK)
        return retval;

    if (ack_len < 4 ) {
        rig_debug(RIG_DEBUG_ERR, "%s: Unexpected reply '%s'\n", __FUNCTION__, ackbuf);
        return -RIG_ERJCTED;
    }

    vfoc=ackbuf[3];
    switch (vfoc) {
        case '0': *vfo = RIG_VFO_A; break;
        case '1': *vfo = RIG_VFO_B; break;
        default:
            rig_debug(RIG_DEBUG_ERR, "%s: Unexpected VFO value '%c'\n", __FUNCTION__, ackbuf[3]);
            return -RIG_EVFO;
    }

    sprintf(cmdbuf,"VMC %c" EOM,vfoc);
    ack_len=ACKBUF_LEN;
    retval = kenwood_transaction (rig, cmdbuf, strlen(cmdbuf), ackbuf, &ack_len);
    if (retval != RIG_OK)
        return retval;

    if (ack_len < 8 ) {
        rig_debug(RIG_DEBUG_ERR, "%s: Unexpected reply '%s'\n", __FUNCTION__, ackbuf);
        return -RIG_ERJCTED;
    }
    switch(ackbuf[6]) {
      case '0' :
      case '1' :
            break;
      case '2' :
            *vfo = RIG_VFO_MEM;
            break;
        default:
            rig_debug(RIG_DEBUG_ERR, "%s: Unexpected VFO value '%c'\n", __FUNCTION__, ackbuf[6]);
            return -RIG_EVFO;
     }

     return RIG_OK;
}


/*
 * th_set_trn
 * Assumes rig!=NULL
 */
int
th_set_trn(RIG *rig, int trn)
{
    char trnbuf[16], ackbuf[ACKBUF_LEN];
    int retval;
    size_t ack_len;

    rig_debug(RIG_DEBUG_TRACE, "%s: called\n", __FUNCTION__);

    sprintf(trnbuf, "AI %c" EOM, (trn == RIG_TRN_RIG) ? '1' : '0');
    ack_len = 0;
    retval = kenwood_transaction (rig, trnbuf, strlen(trnbuf), ackbuf, &ack_len);
      if (retval != RIG_OK)
            return retval;

      return RIG_OK;
}

/*
 * th_get_trn
 * Assumes rig!=NULL
 */
int
th_get_trn (RIG *rig, int *trn)
{
    char ackbuf[ACKBUF_LEN];
    int retval;
    size_t ack_len=ACKBUF_LEN;

    rig_debug(RIG_DEBUG_TRACE, "%s: called\n", __FUNCTION__);

    retval = kenwood_transaction(rig, "AI" EOM, 3, ackbuf, &ack_len);
      if (retval != RIG_OK)
            return retval;

    if (ack_len < 4 ) {
        rig_debug(RIG_DEBUG_ERR, "%s: Unexpected reply '%s'\n", __FUNCTION__, ackbuf);
        return -RIG_ERJCTED;
      }

    *trn = (ackbuf[3] != '0') ? RIG_TRN_RIG : RIG_TRN_OFF;

      return RIG_OK;
}


/*
 * th_get_kenwood_func
 * Assumes rig!=NULL, status!=NULL
 */
static int th_get_kenwood_func (RIG *rig, const char *cmd, int *status)
{
    char ackbuf[ACKBUF_LEN];
    int retval;
    size_t ack_len=ACKBUF_LEN;
    rig_debug(RIG_DEBUG_TRACE, "%s: called\n", __FUNCTION__);

    retval = kenwood_transaction (rig, cmd, strlen(cmd), ackbuf, &ack_len);
    if (retval != RIG_OK)
        return retval;

    if (ack_len < 4 ) {
        rig_debug(RIG_DEBUG_ERR, "%s: Unexpected reply '%s'\n", __FUNCTION__, ackbuf);
        return -RIG_ERJCTED;
      }

    if (strlen(cmd) == 4) {
        *status = (ackbuf[4] == '0') ? 0 : 1;
    } else {
        *status = (ackbuf[3] == '0') ? 0 : 1;
    }
      return RIG_OK;
};

/*
 * th_get_func
 * Assumes rig!=NULL, status!=NULL
 */
int
th_get_func (RIG *rig, vfo_t vfo, setting_t func, int *status)
{
    rig_debug(RIG_DEBUG_TRACE, "%s: called (0x%04x)\n", __FUNCTION__, func);

    /* FIXME: What about the VFO? */

    switch (func) {
        case RIG_FUNC_MON:
            return th_get_kenwood_func(rig, "MON" EOM, status);
        case RIG_FUNC_TONE:
            return th_get_kenwood_func(rig, "TO" EOM, status);
        case RIG_FUNC_TSQL:
            return th_get_kenwood_func(rig, "CT" EOM, status);
        case RIG_FUNC_REV:
            return th_get_kenwood_func(rig, "REV" EOM, status);
        case RIG_FUNC_ARO:
            return th_get_kenwood_func(rig, "ARO" EOM, status);
        case RIG_FUNC_AIP:
            return th_get_kenwood_func(rig, "AIP" EOM, status);
        case RIG_FUNC_LOCK:
            return th_get_kenwood_func(rig, "LK" EOM, status);
        default:
            rig_debug(RIG_DEBUG_ERR,"%s: Unsupported function %#x", __FUNCTION__, func);
            return -RIG_EINVAL;
    }
    return RIG_OK;
}

/* --------------------------------------------------------------------- */
static int th_tburst(RIG *rig, vfo_t vfo, int status)
{
    char ackbuf[ACKBUF_LEN];
    int retval;
    size_t ack_len;

    ack_len = 0;
    if(status==1) {
    retval = kenwood_transaction(rig, "TT"EOM, 3, ackbuf, &ack_len);
        if (retval != RIG_OK)
            return retval;

      return RIG_OK;
    }
    if(status==0) {
      return rig_set_ptt(rig,vfo,RIG_PTT_OFF);
    }
    return -RIG_EINVAL;
}

/*
 * th_set_kenwood_func
 * Assumes rig!=NULL, status!=NULL
 */
static int th_set_kenwood_func (RIG *rig, const char *cmd, int status)
{
    char trbuf[16], ackbuf[ACKBUF_LEN];
    int retval;
    size_t ack_len;

    rig_debug(RIG_DEBUG_TRACE, "%s: called\n", __FUNCTION__);

    strncpy(trbuf,cmd,16);
    strncat(trbuf,(status)?" 1":" 0",16);
    strncat(trbuf,EOM,16);
    ack_len = 0;
    retval = kenwood_transaction (rig, cmd, strlen(cmd), ackbuf, &ack_len);
    if (retval != RIG_OK)
        return retval;

    if (ack_len < 4 ) {
        rig_debug(RIG_DEBUG_ERR, "%s: Unexpected reply '%s'\n", __FUNCTION__, ackbuf);
        return -RIG_ERJCTED;
      }
      return RIG_OK;
};


/*
 * th_get_func
 * Assumes rig!=NULL, status!=NULL
 */
int
th_set_func (RIG *rig, vfo_t vfo, setting_t func, int status)
{
    rig_debug(RIG_DEBUG_TRACE, "%s: called (0x%04x)\n", __FUNCTION__, func);

    /* FIXME: What about the VFO? */

    switch (func) {
        case RIG_FUNC_MON:
            return th_set_kenwood_func(rig, "MON", status);
        case RIG_FUNC_TONE:
            return th_set_kenwood_func(rig, "TO", status);
        case RIG_FUNC_TSQL:
            return th_set_kenwood_func(rig, "CT", status);
        case RIG_FUNC_REV:
            return th_set_kenwood_func(rig, "REV", status);
        case RIG_FUNC_ARO:
            return th_set_kenwood_func(rig, "ARO", status);
        case RIG_FUNC_AIP:
            return th_set_kenwood_func(rig, "AIP", status);
        case RIG_FUNC_LOCK:
            return th_set_kenwood_func(rig, "LK", status);
        case RIG_FUNC_TBURST:
            return th_tburst(rig, vfo, status);
        default:
            rig_debug(RIG_DEBUG_ERR,"%s: Unsupported function %#x", __FUNCTION__, func);
            return -RIG_EINVAL;
    }
    return RIG_OK;
}

/*
 * th_get_parm
 * Assumes rig!=NULL, status!=NULL
 */
int
th_get_parm (RIG *rig, setting_t parm, value_t *val)
{
    int status;
    int ret;

    rig_debug(RIG_DEBUG_TRACE, "%s: called (0x%04x)\n", __FUNCTION__, parm);

    /* Optimize:
     *   sort the switch cases with the most frequent first
     */
    switch (parm) {
        case RIG_PARM_BACKLIGHT:
            ret = th_get_kenwood_func(rig, "LMP" EOM, &status);
          val->f = status ? 1.0 : 0;
            return ret;

        default:
            rig_debug(RIG_DEBUG_ERR,"%s: Unsupported parm %#x", __FUNCTION__, parm);
            return -RIG_EINVAL;
    }
    return RIG_OK;
}


/*
 * th_get_level
 * Assumes rig!=NULL, val!=NULL
 */
int
th_get_level (RIG *rig, vfo_t vfo, setting_t level, value_t *val)
{
    char vch, lvlbuf[32], ackbuf[ACKBUF_LEN];
    int retval, v, l;
    size_t ack_len=ACKBUF_LEN;
    vfo_t tvfo;

    rig_debug(RIG_DEBUG_TRACE, "%s: called\n", __FUNCTION__);

      if(vfo==RIG_VFO_CURR) tvfo=rig->state.current_vfo;
      else tvfo=vfo;

      switch (tvfo) {
        case RIG_VFO_A:
        case RIG_VFO_VFO:
        case RIG_VFO_MEM:
             vch = '0'; break;
        case RIG_VFO_B: 
             vch = '1'; break;
        default:
            rig_debug(RIG_DEBUG_ERR, "%s: Unsupported VFO %d\n", __FUNCTION__, vfo);
            return -RIG_EVFO;
      }

    switch (level) {
        case RIG_LEVEL_RAWSTR:
            sprintf(lvlbuf, "SM %c" EOM, vch);
            retval = kenwood_transaction (rig, lvlbuf, strlen(lvlbuf), ackbuf, &ack_len);
                  if (retval != RIG_OK)
                        return retval;

            retval = sscanf(ackbuf, "SM %d,%d", &v, &l);
            if (retval != 2 || l < rig->caps->level_gran[LVL_RAWSTR].min.i || l > rig->caps->level_gran[LVL_RAWSTR].max.i) {
                rig_debug(RIG_DEBUG_ERR, "%s: Unexpected reply '%s'\n", __FUNCTION__, ackbuf);
                return -RIG_ERJCTED;
            }

            val->i = l;
          break;

        case RIG_LEVEL_SQL:
            sprintf(lvlbuf, "SQ %c" EOM, vch);
            retval = kenwood_transaction (rig, lvlbuf, strlen(lvlbuf), ackbuf, &ack_len);
            if (retval != RIG_OK)
                  return retval;

            retval = sscanf(ackbuf, "SQ %d,%x", &v, &l);
            if (retval != 2 || l < rig->caps->level_gran[LVL_SQL].min.i || l > rig->caps->level_gran[LVL_SQL].max.i) {
                rig_debug(RIG_DEBUG_ERR, "%s: Unexpected reply '%s'\n", __FUNCTION__, ackbuf);
                return -RIG_ERJCTED;
            }

            /* range [0.0 ... 1.0] */
            val->f = (float)(l-rig->caps->level_gran[LVL_SQL].min.i) / (float)(rig->caps->level_gran[LVL_SQL].max.i-rig->caps->level_gran[LVL_SQL].min.i);
            break;

        case RIG_LEVEL_AF:
            sprintf(lvlbuf, "AG %c" EOM, vch);
            retval = kenwood_transaction (rig, lvlbuf, strlen(lvlbuf), ackbuf, &ack_len);
            if (retval != RIG_OK)
                  return retval;

            retval = sscanf(ackbuf, "AG %d,%x", &v, &l);
            if (retval != 2 || l < rig->caps->level_gran[LVL_AF].min.i || l > rig->caps->level_gran[LVL_AF].max.i) {
                rig_debug(RIG_DEBUG_ERR, "%s: Unexpected reply '%s'\n", __FUNCTION__, ackbuf);
                return -RIG_ERJCTED;
            }

            /* range [0.0 ... 1.0] */
            val->f = (float)(l-rig->caps->level_gran[LVL_AF].min.i) / (float)(rig->caps->level_gran[LVL_AF].max.i-rig->caps->level_gran[LVL_AF].min.i);
            break;

        case RIG_LEVEL_RFPOWER:
            sprintf(lvlbuf, "PC %c" EOM,vch); 
            retval = kenwood_transaction (rig, lvlbuf, strlen(lvlbuf), ackbuf, &ack_len);
            if (retval != RIG_OK)
                  return retval;

            retval = sscanf(ackbuf, "PC %d,%d", &v, &l);
            if (retval != 2 || l < 0 || l > 3) {
                rig_debug(RIG_DEBUG_ERR, "%s: Unexpected reply '%s'\n", __FUNCTION__, ackbuf);
                return -RIG_ERJCTED;
            }

            /* range [0.0 ... 1.0] */
            val->f = (float)(l-rig->caps->level_gran[LVL_RFPOWER].min.i) / (float)(rig->caps->level_gran[LVL_RFPOWER].max.i-rig->caps->level_gran[LVL_AF].min.i);
            break;
        default:
            rig_debug(RIG_DEBUG_ERR,"%s: Unsupported Level %d", __FUNCTION__, level);
            return -RIG_EINVAL;
    }
    return RIG_OK;
}

int th_set_level (RIG *rig, vfo_t vfo, setting_t level, value_t val)
{
    char vch, lvlbuf[32], ackbuf[ACKBUF_LEN];
    int retval;
    size_t ack_len;
    vfo_t tvfo;

    rig_debug(RIG_DEBUG_TRACE, "%s: called\n", __FUNCTION__);

      if(vfo==RIG_VFO_CURR) tvfo=rig->state.current_vfo;
      else tvfo=vfo;

      switch (tvfo) {
        case RIG_VFO_A:
        case RIG_VFO_VFO:
        case RIG_VFO_MEM:
             vch = '0'; break;
        case RIG_VFO_B: 
             vch = '1'; break;
        default:
            rig_debug(RIG_DEBUG_ERR, "%s: Unsupported VFO %d\n", __FUNCTION__, vfo);
            return -RIG_EVFO;
      }

    ack_len = 0;
    switch(level) {

      case RIG_LEVEL_RFPOWER :
          sprintf(lvlbuf, "PC %c,%01d" EOM, vch,(int)(val.f*(rig->caps->level_gran[LVL_RFPOWER].max.i-rig->caps->level_gran[LVL_RFPOWER].min.i))+rig->caps->level_gran[LVL_RFPOWER].min.i);
          retval = kenwood_transaction (rig, lvlbuf, strlen(lvlbuf), ackbuf, &ack_len);
          return retval;
      case RIG_LEVEL_SQL :
          sprintf(lvlbuf, "SQ %c,%02x" EOM, vch,(int)(val.f*(rig->caps->level_gran[LVL_SQL].max.i-rig->caps->level_gran[LVL_SQL].min.i))+rig->caps->level_gran[LVL_SQL].min.i);
          retval = kenwood_transaction (rig, lvlbuf, strlen(lvlbuf), ackbuf, &ack_len);
          return retval;
      case RIG_LEVEL_AF :
          sprintf(lvlbuf, "AG %c,%02x" EOM, vch,(int)(val.f*32.0));
          retval = kenwood_transaction (rig, lvlbuf, strlen(lvlbuf), ackbuf, &ack_len);
          return retval;
        default:
            rig_debug(RIG_DEBUG_ERR,"%s: Unsupported Level %d", __FUNCTION__, level);
            return -RIG_EINVAL;
    }
    return RIG_OK;
}

#ifndef RIG_TONEMAX
#define RIG_TONEMAX     38
#endif

/*
 * th_set_ctcss_tone
 * Assumes rig!=NULL, rig->caps->ctcss_list != NULL
 */
int
th_set_ctcss_tone(RIG *rig, vfo_t vfo, tone_t tone)
{
      const struct rig_caps *caps;
      char tonebuf[16],ackbuf[ACKBUF_LEN];
      int i, retval;
      size_t ack_len;

      rig_debug(RIG_DEBUG_TRACE, "%s: called\n", __FUNCTION__);

      caps = rig->caps;

      for (i = 0; caps->ctcss_list[i] != 0 && i < RIG_TONEMAX; i++) {
            if (caps->ctcss_list[i] == tone)
                  break;
      }
      if (caps->ctcss_list[i] != tone)
            return -RIG_EINVAL;

    i += (i == 0) ? 1 : 2;  /* Correct for TH-7DA index anomally */
      sprintf(tonebuf, "CTN %02d" EOM, i);
    ack_len = 0;
    retval = kenwood_transaction(rig, tonebuf, strlen(tonebuf), ackbuf, &ack_len);
      if (retval != RIG_OK)
            return retval;

      return RIG_OK;
}

/*
 * thd7_get_ctcss_tone
 * Assumes rig!=NULL, rig->caps!=NULL
 */
int
th_get_ctcss_tone(RIG *rig, vfo_t vfo, tone_t *tone)
{
    struct rig_caps *caps;
    char ackbuf[ACKBUF_LEN];
    int retval;
    size_t ack_len=ACKBUF_LEN;
    unsigned int tone_idx;

    rig_debug(RIG_DEBUG_TRACE, "%s: called\n", __FUNCTION__);

      caps = rig->caps;

    retval = kenwood_transaction (rig, "CTN" EOM, 4, ackbuf, &ack_len);
      if (retval != RIG_OK)
            return retval;

    retval = sscanf(ackbuf, "CTN %d", (int*)&tone_idx);
    if (retval != 1) {
            rig_debug(RIG_DEBUG_ERR, 
                        "%s: Unexpected reply '%s'\n", __FUNCTION__, ackbuf);
            return -RIG_EPROTO;
    }

    /* verify tone index for TH-7DA rig */
      if (tone_idx <= 0 || tone_idx == 2 || tone_idx > 39) {
            rig_debug(RIG_DEBUG_ERR, "%s: Unexpected CTCSS no (%04d)\n",
                        __FUNCTION__, tone_idx);
            return -RIG_EPROTO;
      }
    tone_idx -= (tone_idx == 1) ? 1 : 2; /* Correct for TH-7DA index anomaly */
      *tone = caps->ctcss_list[tone_idx];
      return RIG_OK;
}

const char *
th_get_info(RIG *rig)
{
      static char firmbuf[50];
      int retval;
      size_t firm_len=50;

      rig_debug(RIG_DEBUG_TRACE, "%s: called\n", __FUNCTION__);

      memset(firmbuf, 0, sizeof(firmbuf));
      retval = kenwood_transaction (rig, "ID" EOM, 3, firmbuf, &firm_len);
      if (retval != RIG_OK)
            return NULL;

      if (firm_len <3 ) {
       rig_debug(RIG_DEBUG_ERR, "%s: unexpected reply '%s', len=%d\n",
                   __FUNCTION__, firmbuf, firm_len);
         return NULL;
      }

      return &firmbuf[2];
}

/*
 * th_set_mem
 * Assumes rig!=NULL
 */
int
th_set_mem(RIG *rig, vfo_t vfo, int ch)
{
      unsigned char vsel;
      char membuf[16], ackbuf[50];
      int retval;
      size_t ack_len;
      vfo_t tvfo;

      rig_debug(RIG_DEBUG_TRACE, "%s: called\n", __FUNCTION__);

      if(vfo==RIG_VFO_CURR) tvfo=rig->state.current_vfo;
      else tvfo=vfo;

      switch (tvfo) {
        case RIG_VFO_VFO: 
        case RIG_VFO_MEM: 
        case RIG_VFO_A: 
                  vsel = '0'; break;
        case RIG_VFO_B:
                  vsel = '1'; break;
        default:
            rig_debug(RIG_DEBUG_ERR, "%s: unsupported VFO %d\n", __FUNCTION__, vfo);
            return -RIG_EVFO;
      }
      sprintf(membuf, "MC %c,%03i" EOM, vsel, ch);

      retval= rig_set_vfo(rig,RIG_VFO_MEM);
      if (retval != RIG_OK)
            return retval;

      ack_len = 0;
      retval = kenwood_transaction(rig, membuf, strlen(membuf), ackbuf, &ack_len);
      if (retval != RIG_OK)
            return retval;

      return RIG_OK;
}

int
th_get_mem(RIG *rig, vfo_t vfo, int *ch)
{
      char *membuf, ackbuf[ACKBUF_LEN];
      int retval;
      size_t ack_len=ACKBUF_LEN;
      vfo_t tvfo,cvfo;

      rig_debug(RIG_DEBUG_TRACE, "%s: called\n", __FUNCTION__);

      cvfo=rig->state.current_vfo;
      if(vfo==RIG_VFO_CURR)
             tvfo=cvfo;
      else
             tvfo=vfo;

      switch (tvfo) {
        case RIG_VFO_VFO:
        case RIG_VFO_MEM: 
        case RIG_VFO_A:
            membuf = "MC 0" EOM;
            break;
        case RIG_VFO_B:
            membuf = "MC 1" EOM;
            break;
        default:
            rig_debug(RIG_DEBUG_ERR, "%s: unsupported VFO %d\n", __FUNCTION__, vfo);
            return -RIG_EVFO;
      }

      retval= rig_set_vfo(rig,RIG_VFO_MEM);
      if (retval != RIG_OK)
            return retval;

      retval = kenwood_transaction(rig, membuf, strlen(membuf), ackbuf, &ack_len);
      if (retval != RIG_OK)
            return retval;

      if (ack_len <9 ) {
            rig_debug(RIG_DEBUG_ERR, "%s: unexpected reply '%s', len=%d\n",
                        __FUNCTION__, ackbuf, ack_len);
            return -RIG_ERJCTED;
      }

      ackbuf[8]='\0';
        *ch = atoi(&ackbuf[5]);

      retval= rig_set_vfo(rig,cvfo);
      if (retval != RIG_OK)
            return retval;

      return RIG_OK;
}

int
th_set_ptt(RIG *rig, vfo_t vfo, ptt_t ptt)
{
      char *membuf, ackbuf[ACKBUF_LEN];
      int retval;
      size_t ack_len;

        rig_debug(RIG_DEBUG_TRACE, "%s: called\n", __FUNCTION__);

        switch(ptt) {
         case RIG_PTT_ON :
                membuf="TX" EOM;
                break;
         case RIG_PTT_OFF :
                membuf="RX" EOM;
                break;
         default:
                return -RIG_EINVAL;
        }
        ack_len = 0;
        retval = kenwood_transaction(rig, membuf, strlen(membuf), ackbuf, &ack_len);
        if (retval != RIG_OK)
                return retval;

      return RIG_OK;
}

int
th_set_powerstat(RIG *rig, powerstat_t status)
{
        char *membuf, ackbuf[50];
        int retval;
        size_t ack_len;

        rig_debug(RIG_DEBUG_TRACE, "%s: called\n", __FUNCTION__);

        switch(status) {
         case RIG_POWER_ON :
                membuf="PS 1" EOM;
                break;
         case RIG_POWER_OFF :
                membuf="PS 0" EOM;
                break;
         default:
                return -RIG_EINVAL;
        }

        ack_len = 0;
        retval = kenwood_transaction(rig, membuf, strlen(membuf), ackbuf, &ack_len);
        if (retval != RIG_OK)
                return retval;

      return RIG_OK;
}

int th_get_powerstat(RIG *rig, powerstat_t *status)
{
      char pwrbuf[50];
      size_t pwr_len = 50;
      int retval;

      retval = kenwood_transaction (rig, "PS;", 3, pwrbuf, &pwr_len);
      if (retval != RIG_OK)
            return retval;

      if (pwr_len != 4)
      {
            rig_debug(RIG_DEBUG_ERR,"kenwood_get_powerstat: wrong answer "
                  "len=%d\n", pwr_len);
            return -RIG_ERJCTED;
      }
      *status = pwrbuf[2] == '0' ? RIG_POWER_OFF : RIG_POWER_ON;
                                    
      return RIG_OK;
}
                                                                                                                            

int th_get_dcd(RIG *rig, vfo_t vfo, dcd_t *dcd)
{
        char *membuf, ackbuf[ACKBUF_LEN];
        int retval;
      size_t ack_len=ACKBUF_LEN;

      switch (vfo) {
        case RIG_VFO_VFO:
        case RIG_VFO_A:
            membuf = "BY 0" EOM;
            break;
        case RIG_VFO_B:
            membuf = "BY 1" EOM;
            break;
        default:
            rig_debug(RIG_DEBUG_ERR, "%s: unsupported VFO %d\n", __FUNCTION__, vfo);
            return -RIG_EVFO;
      }


        retval = kenwood_transaction(rig, membuf, strlen(membuf), ackbuf, &ack_len);
        if (retval != RIG_OK)
                return retval;

      if (ack_len <6 ) {
            rig_debug(RIG_DEBUG_ERR, "%s: unexpected reply '%s', len=%d\n",
                        __FUNCTION__, ackbuf, ack_len);
            return -RIG_ERJCTED;
      }

        switch(ackbuf[5]) {
            case '0' :
                  *dcd=RIG_DCD_OFF;
                  return RIG_OK;
            case '1' :
                  *dcd=RIG_DCD_ON;
                  return RIG_OK;
            default :
                  rig_debug(RIG_DEBUG_ERR, "%s: unexpected reply '%s', len=%d\n", __FUNCTION__, ackbuf, ack_len);
                  return -RIG_ERJCTED;
      }
      return -RIG_ERJCTED;
}

int th_vfo_op(RIG *rig, vfo_t vfo, vfo_op_t op)
{

      char *membuf,ackbuf[ACKBUF_LEN];
      int retval;
      size_t ack_len;

        rig_debug(RIG_DEBUG_TRACE, "%s: called\n", __FUNCTION__);

      if(vfo!=RIG_VFO_CURR) {
            rig_debug(RIG_DEBUG_ERR, "%s: Unsupported VFO %d\n", __FUNCTION__, vfo);
            return -RIG_ENTARGET;
      }

      switch(op) {
            case RIG_OP_UP:
                  membuf="UP" EOM;
                        break;
            case RIG_OP_DOWN:
                  membuf="DW" EOM;
                        break;
            case RIG_OP_TO_VFO:
                  membuf="MSH" EOM;
                        break;
            default:
                  return -RIG_EINVAL;
      }

        ack_len = 0;
        retval = kenwood_transaction(rig, membuf, strlen(membuf), ackbuf, &ack_len);
        if (retval != RIG_OK)
                return retval;
        return RIG_OK;
}

/* get and set channel tested on thg71    */
/* must work on other th and tm kenwood rigs    */
/* Beware : special numbering scheme :          */
/* 0-199 : normal memories                */
/* 200-209 : scan lower limit memories L  */
/* 210-219 : scan upper limit memories U  */
/* 220     : Priority channel                   */
/* 221-222 : Call channel                 */
/* 223-231 : Band vfo mem                 */
/* --------------------------------------------------------------------- */
int th_get_channel(RIG *rig, channel_t *chan)
{
    char membuf[64],ackbuf[ACKBUF_LEN];
    int retval;
    size_t ack_len;
    freq_t freq,offset;
    char req[16],scf[128];
    int step, shift, rev, tone, ctcss, tonefq, ctcssfq;

    if(chan->channel_num<200)
      sprintf(req,"MR 0,0,%03d",chan->channel_num);
    else
    if(chan->channel_num<210) {
      sprintf(req,"MR 0,0,L%01d",chan->channel_num-200);
        sprintf(chan->channel_desc,"L%01d",chan->channel_num-200);
    } else
    if(chan->channel_num<220) {
      sprintf(req,"MR 0,0,U%01d",chan->channel_num-210);
        sprintf(chan->channel_desc,"U%01d",chan->channel_num-210);
    } else
    if(chan->channel_num==220) {
      sprintf(req,"MR 0,0,PR");
        sprintf(chan->channel_desc,"Pr");
    } else
    if(chan->channel_num<223) {
      sprintf(req,"CR 0,%01d",chan->channel_num-221);
        if(chan->channel_num==221) sprintf(chan->channel_desc,"Call V");
        if(chan->channel_num==222) sprintf(chan->channel_desc,"Call U");
    } else
    if(chan->channel_num<232) {
      sprintf(req,"VR %01d",chan->channel_num-222);
        sprintf(chan->channel_desc,"BAND %01d",chan->channel_num-222);
    } else
      return -RIG_EINVAL;

    sprintf(membuf,"%s"EOM,req);
    ack_len=ACKBUF_LEN;
    retval = kenwood_transaction(rig, membuf, strlen(membuf), ackbuf, &ack_len);
        if (retval != RIG_OK)
            return retval;

    strcpy(scf,req);
    strcat(scf,",%"SCNfreq",%d,%d,%d,%d,%d,,%d,,%d,%"SCNfreq);
    retval = sscanf(ackbuf, scf,
                    &freq, &step, &shift, &rev, &tone,
                    &ctcss, &tonefq, &ctcssfq, &offset);

    chan->freq=freq;
    chan->vfo=RIG_VFO_MEM;
    chan->tuning_step=rig->state.tuning_steps[step].ts;
    if(freq <MHz(136) )  {
            chan->mode=RIG_MODE_AM;
            chan->width=kHz(9);
    } else {
            chan->mode=RIG_MODE_FM;
            chan->width=kHz(12);
    }
    switch(shift) {
      case 0 :
            chan->rptr_shift=RIG_RPT_SHIFT_NONE;
            break;
      case 1 :
            chan->rptr_shift=RIG_RPT_SHIFT_PLUS;
            break;
      case 2 :
            chan->rptr_shift=RIG_RPT_SHIFT_MINUS;
            break;
    }
    chan->rptr_offs=offset;

    if(tone)
       chan->ctcss_tone=rig->caps->ctcss_list[tonefq==1?0:tonefq-2];
    else
       chan->ctcss_tone=0;
    if(ctcss)
       chan->ctcss_sql=rig->caps->ctcss_list[ctcssfq==1?0:ctcssfq-2];
    else
       chan->ctcss_sql=0;

    chan->tx_freq=RIG_FREQ_NONE;
    if(chan->channel_num<223 && shift==0) {
      req[5]='1';
        sprintf(membuf,"%s"EOM,req);
        ack_len=ACKBUF_LEN;
      retval = kenwood_transaction(rig, membuf, strlen(membuf), ackbuf, &ack_len);
        if (retval == RIG_OK) {
            strcpy(scf,req);
            strcat(scf,",%"SCNfreq",%d");
            retval = sscanf(ackbuf, scf, &freq, &step);
            chan->tx_freq=freq;
      }
    }

    if(chan->channel_num<200) {
      sprintf(membuf,"MNA 0,%03d"EOM,chan->channel_num);
        ack_len=ACKBUF_LEN;
      retval = kenwood_transaction(rig, membuf, strlen(membuf), ackbuf, &ack_len);
        if (retval != RIG_OK)
            return retval;
        memcpy(chan->channel_desc,&ackbuf[10],7);
    }

    return RIG_OK;
}

/* --------------------------------------------------------------------- */
int th_set_channel(RIG *rig, const channel_t *chan)
{
    char membuf[ACKBUF_LEN],ackbuf[ACKBUF_LEN];
    int retval;
    size_t ack_len;
    char req[64];
    long freq,offset;   
    int chn, step, shift, tone, ctcss, tonefq, ctcssfq;

    chn=chan->channel_num;
    freq=(long long)chan->freq;

    for(step=0; rig->state.tuning_steps[step].ts!=0;step++)
      if(chan->tuning_step==rig->state.tuning_steps[step].ts) break;

    switch(chan->rptr_shift) {
      case RIG_RPT_SHIFT_NONE :
            shift=0;
            break;
      case  RIG_RPT_SHIFT_PLUS:
            shift=1;
            break;
      case RIG_RPT_SHIFT_MINUS:
            shift=2;
            break;
        default:
            rig_debug(RIG_DEBUG_ERR, "%s: not supported shift\n", __FUNCTION__);
            return -RIG_EINVAL;
    }
    offset=chan->rptr_offs;
    
    if(chan->ctcss_tone==0) {
       tone=0;tonefq=9;
    } else {
       tone=1;
      for (tonefq = 0; rig->caps->ctcss_list[tonefq] != 0 && tonefq < RIG_TONEMAX; tonefq++) {
            if (rig->caps->ctcss_list[tonefq] == chan->ctcss_tone)
                  break;
      }
      tonefq=tonefq==0?1:tonefq+2;
    }
    if(chan->ctcss_sql==0) {
      ctcss=0;ctcssfq=9;
    } else {
       ctcss=1;
      for (ctcssfq = 0; rig->caps->ctcss_list[ctcssfq] != 0 && ctcssfq < RIG_TONEMAX; ctcssfq++) {
            if (rig->caps->ctcss_list[ctcssfq] == chan->ctcss_sql)
                  break;
      }
       ctcssfq=ctcssfq==0?1:ctcssfq+2;
    }

    if(chan->channel_num<200)
      sprintf(req,"MW 0,0,%03d",chan->channel_num);
    else
    if(chan->channel_num<210) {
      sprintf(req,"MW 0,0,L%01d",chan->channel_num-200);
    } else
    if(chan->channel_num<220) {
      sprintf(req,"MW 0,0,U%01d",chan->channel_num-210);
    } else
    if(chan->channel_num==220) {
      sprintf(req,"MW 0,0,PR");
    } else
    if(chan->channel_num<223) {
      sprintf(req,"CW 0,%01d",chan->channel_num-221);
    } else
    if(chan->channel_num<232) {
      sprintf(req,"VW %01d",chan->channel_num-222);
    } else
      return -RIG_EINVAL;

    if(chan->channel_num<=220)
    sprintf(membuf, "%s,%011ld,%01d,%01d,0,%01d,%01d,,%02d,,%02d,%09"PRIll",0"EOM,
                    req,(long)freq, step, shift, tone,
                    ctcss, tonefq, ctcssfq, (long long)offset);
    else
    sprintf(membuf, "%s,%011ld,%01d,%01d,0,%01d,%01d,,%02d,,%02d,%09"PRIll EOM,
                    req, (long)freq, step, shift, tone,
                    ctcss, tonefq, ctcssfq, (long long)offset);

    ack_len = 0;
    retval = kenwood_transaction(rig, membuf, strlen(membuf), ackbuf, &ack_len);
        if (retval != RIG_OK)
            return retval;

    if(chan->channel_num<223 && chan->tx_freq!=RIG_FREQ_NONE) {
      req[5]='1';
      sprintf(membuf, "%s,%011"PRIll",%01d"EOM, req,(long long)chan->tx_freq, step);
        ack_len=0;
      retval = kenwood_transaction(rig, membuf, strlen(membuf), ackbuf, &ack_len);
        if (retval != RIG_OK)
            return retval;
    }

    if(chan->channel_num<200) {
      ack_len=0;
      sprintf(membuf,"MNA 0,%03d,%s"EOM,chan->channel_num,chan->channel_desc);
      retval = kenwood_transaction(rig, membuf, strlen(membuf), ackbuf, &ack_len);
        if (retval != RIG_OK)
            return retval;
    }

    return RIG_OK;
}


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