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ts850.c

/*
*  Hamlib Kenwood backend - TS850 description
*  Copyright (c) 2000-2004 by Stephane Fillod
*
*     $Id: ts850.c,v 1.25.2.1 2009/02/23 21:24:06 fillods 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>
#include <math.h>

#include <hamlib/rig.h>
#include <cal.h>
#include "kenwood.h"


#define TS850_ALL_MODES (RIG_MODE_AM|RIG_MODE_CW|RIG_MODE_CWR|RIG_MODE_SSB|RIG_MODE_FM|RIG_MODE_RTTY|RIG_MODE_RTTYR)
#define TS850_OTHER_TX_MODES (RIG_MODE_CW|RIG_MODE_CWR|RIG_MODE_SSB|RIG_MODE_FM|RIG_MODE_RTTY|RIG_MODE_RTTYR)
#define TS850_AM_TX_MODES (RIG_MODE_AM)

#define TS850_FUNC_ALL (RIG_FUNC_AIP|RIG_FUNC_LOCK)

#define TS850_LEVEL_GET (RIG_LEVEL_SWR|RIG_LEVEL_COMP|RIG_LEVEL_ALC|RIG_LEVEL_CWPITCH|RIG_LEVEL_RAWSTR|RIG_LEVEL_STRENGTH|RIG_LEVEL_SLOPE_LOW|RIG_LEVEL_SLOPE_HIGH)
#define TS850_LEVEL_SET (RIG_LEVEL_CWPITCH|RIG_LEVEL_SLOPE_LOW|RIG_LEVEL_SLOPE_HIGH)

#define TS850_VFO (RIG_VFO_A|RIG_VFO_B)

#define TS850_VFO_OPS (RIG_OP_UP|RIG_OP_DOWN)

#define TS850_CHANNEL_CAPS \
.freq=1,\
.mode=1,\
.tx_freq=1,\
.tx_mode=1,\
.split=1,\
.ctcss_tone=1

#define TS850_STR_CAL { 4, \
      { \
            {   0, -54 }, \
            {  15, 0 }, \
            {  22,30 }, \
            {  30, 66}, \
      } }


static const struct kenwood_priv_caps  ts850_priv_caps  = {
      .cmdtrm =  EOM_KEN,
};

/* forward definitions */
static int ts850_set_rit(RIG * rig, vfo_t vfo, shortfreq_t rit);
static int ts850_set_xit(RIG * rig, vfo_t vfo, shortfreq_t rit);
static int ts850_get_mode(RIG *rig, vfo_t vfo, rmode_t *mode, pbwidth_t *width);
static int ts850_set_mode(RIG *rig, vfo_t vfo, rmode_t mode, pbwidth_t width);
static int ts850_set_ctcss_tone(RIG *rig, vfo_t vfo, tone_t tone);
static int ts850_set_func(RIG *rig, vfo_t vfo, setting_t func, int status);
static int ts850_get_func(RIG *rig, vfo_t vfo, setting_t func, int *status);
static int ts850_get_level(RIG *rig, vfo_t vfo, setting_t level, value_t *val);
static int ts850_set_level(RIG *rig, vfo_t vfo, setting_t level, value_t val);
static int ts850_get_mem(RIG *rig, vfo_t vfo, int *ch);
static int ts850_get_channel (RIG * rig, channel_t * chan);
static int ts850_set_channel (RIG * rig, const channel_t * chan);

/*
* ts850 rig capabilities.
* Notice that some rigs share the same functions.
* Also this struct is READONLY!
*/
const struct rig_caps ts850_caps = {
      .rig_model =  RIG_MODEL_TS850,
      .model_name = "TS-850",
      .mfg_name =  "Kenwood",
      .version =  BACKEND_VER ".0",
      .copyright =  "LGPL",
      .status =  RIG_STATUS_BETA,
      .rig_type =  RIG_TYPE_TRANSCEIVER,
      .ptt_type =  RIG_PTT_RIG,
      .dcd_type =  RIG_DCD_RIG,
      .port_type =  RIG_PORT_SERIAL,
      .serial_rate_min =  4800,
      .serial_rate_max =  4800,
      .serial_data_bits =  8,
      .serial_stop_bits =  2,
      .serial_parity =  RIG_PARITY_NONE,
      .serial_handshake =  RIG_HANDSHAKE_HARDWARE,
      .write_delay =  0,
      .post_write_delay =  100,
      .timeout =  30000,  // When you tune a Kenwood, the reply is delayed until you stop.
      .retry =  0,
      
      .has_get_func =  TS850_FUNC_ALL,
      .has_set_func =  TS850_FUNC_ALL,
      .has_get_level =  TS850_LEVEL_GET,
      .has_set_level =  TS850_LEVEL_SET,
      .has_get_parm =  RIG_PARM_NONE,
      .has_set_parm =  RIG_PARM_NONE,
      .level_gran =  {},            
      .parm_gran =  {},
      .ctcss_list =  kenwood38_ctcss_list,
      .dcs_list =  NULL,
      .preamp =   { RIG_DBLST_END, },
      .attenuator =   { RIG_DBLST_END, },
      .max_rit =  kHz(1.27),
      .max_xit =  kHz(1.27),
      .max_ifshift =  Hz(0),
      .vfo_ops=TS850_VFO_OPS,
      .targetable_vfo =  RIG_TARGETABLE_FREQ,
      .transceive =  RIG_TRN_RIG,
      .bank_qty =   0,
      .chan_desc_sz =  3,
      .chan_list =  {
            {  0, 89, RIG_MTYPE_MEM ,{TS850_CHANNEL_CAPS}},
            { 90, 99, RIG_MTYPE_EDGE ,{TS850_CHANNEL_CAPS}},
            RIG_CHAN_END,
      },
      
      .rx_range_list1 =  { 
            {kHz(100),MHz(30),TS850_ALL_MODES,-1,-1,TS850_VFO},
            RIG_FRNG_END,
      }, /* rx range */
      .tx_range_list1 =  { 
            {kHz(1810),kHz(1850),TS850_OTHER_TX_MODES,W(5),W(100),TS850_VFO}, /* 100W class */
            {kHz(1810),kHz(1850),TS850_AM_TX_MODES,W(2),W(40),TS850_VFO},           /* 40W class */
            {kHz(3500),kHz(3800),TS850_OTHER_TX_MODES,W(5),W(100),TS850_VFO},
            {kHz(3500),kHz(3800),TS850_AM_TX_MODES,W(2),W(40),TS850_VFO},
            {MHz(7),kHz(7100),TS850_OTHER_TX_MODES,W(5),W(100),TS850_VFO},
            {MHz(7),kHz(7100),TS850_AM_TX_MODES,W(2),W(40),TS850_VFO},
            {kHz(10100),kHz(10150),TS850_OTHER_TX_MODES,W(5),W(100),TS850_VFO},
            {kHz(10100),kHz(10150),TS850_AM_TX_MODES,W(2),W(40),TS850_VFO},
            {MHz(14),kHz(14350),TS850_OTHER_TX_MODES,W(5),W(100),TS850_VFO},
            {MHz(14),kHz(14350),TS850_AM_TX_MODES,W(2),W(40),TS850_VFO},
            {kHz(18068),kHz(18168),TS850_OTHER_TX_MODES,W(5),W(100),TS850_VFO},
            {kHz(18068),kHz(18168),TS850_AM_TX_MODES,W(2),W(40),TS850_VFO},
            {MHz(21),kHz(21450),TS850_OTHER_TX_MODES,W(5),W(100),TS850_VFO},
            {MHz(21),kHz(21450),TS850_AM_TX_MODES,W(2),W(40),TS850_VFO},
            {kHz(24890),kHz(24990),TS850_OTHER_TX_MODES,W(5),W(100),TS850_VFO},
            {kHz(24890),kHz(24990),TS850_AM_TX_MODES,W(2),W(40),TS850_VFO},
            {MHz(28),kHz(29700),TS850_OTHER_TX_MODES,W(5),W(100),TS850_VFO},
            {MHz(28),kHz(29700),TS850_AM_TX_MODES,W(2),W(40),TS850_VFO},
            RIG_FRNG_END,
      },
      
      .rx_range_list2 =  {
            {kHz(100),MHz(30),TS850_ALL_MODES,-1,-1,TS850_VFO},
            RIG_FRNG_END,
      }, /* rx range */
      .tx_range_list2 =  {
            {kHz(1800),MHz(2)-1,TS850_OTHER_TX_MODES,W(5),W(100),TS850_VFO},  /* 100W class */
            {kHz(1800),MHz(2)-1,TS850_AM_TX_MODES,W(2),W(40),TS850_VFO},            /* 40W class */
            {kHz(3500),MHz(4)-1,TS850_OTHER_TX_MODES,W(5),W(100),TS850_VFO},
            {kHz(3500),MHz(4)-1,TS850_AM_TX_MODES,W(2),W(40),TS850_VFO},
            {MHz(7),kHz(7300),TS850_OTHER_TX_MODES,W(5),W(100),TS850_VFO},
            {MHz(7),kHz(7300),TS850_AM_TX_MODES,W(2),W(40),TS850_VFO},
            {kHz(10100),kHz(10150),TS850_OTHER_TX_MODES,W(5),W(100),TS850_VFO},
            {kHz(10100),kHz(10150),TS850_AM_TX_MODES,W(2),W(40),TS850_VFO},
            {MHz(14),kHz(14350),TS850_OTHER_TX_MODES,W(5),W(100),TS850_VFO},
            {MHz(14),kHz(14350),TS850_AM_TX_MODES,W(2),W(40),TS850_VFO},
            {kHz(18068),kHz(18168),TS850_OTHER_TX_MODES,W(5),W(100),TS850_VFO},
            {kHz(18068),kHz(18168),TS850_AM_TX_MODES,W(2),W(40),TS850_VFO},
            {MHz(21),kHz(21450),TS850_OTHER_TX_MODES,W(5),W(100),TS850_VFO},
            {MHz(21),kHz(21450),TS850_AM_TX_MODES,W(2),W(40),TS850_VFO},
            {kHz(24890),kHz(24990),TS850_OTHER_TX_MODES,W(5),W(100),TS850_VFO},
            {kHz(24890),kHz(24990),TS850_AM_TX_MODES,W(2),W(40),TS850_VFO},
            {MHz(28),kHz(29700),TS850_OTHER_TX_MODES,W(5),W(100),TS850_VFO},
            {MHz(28),kHz(29700),TS850_AM_TX_MODES,W(2),W(40),TS850_VFO},
            RIG_FRNG_END,
      }, /* tx range */
      .tuning_steps =  {
            {TS850_ALL_MODES,0},    /* any tuning step */
            RIG_TS_END,
      },
      /* mode/filter list, remember: order matters! */
      .filters =  {
            {TS850_ALL_MODES, kHz(12)},
            {TS850_ALL_MODES, kHz(6)},
            {TS850_ALL_MODES, kHz(2.7)},
            {TS850_ALL_MODES, Hz(500)},
            {TS850_ALL_MODES, Hz(250)},
            RIG_FLT_END,
      },
      .str_cal = TS850_STR_CAL,
      .priv =  (void *)&ts850_priv_caps,
      
      .set_freq =  kenwood_set_freq,
      .get_freq =  kenwood_get_freq,
      .set_rit =  ts850_set_rit,
      .get_rit =  kenwood_get_rit,
      .set_xit =  ts850_set_xit,
      .get_xit =  kenwood_get_xit,
      .set_mode =  ts850_set_mode,
      .get_mode =  ts850_get_mode,
      .set_vfo =  kenwood_set_vfo,
      .get_vfo =  kenwood_get_vfo,
      .set_split_vfo =  kenwood_set_split_vfo,
      .set_ctcss_tone =  ts850_set_ctcss_tone,
      .get_ctcss_tone =  kenwood_get_ctcss_tone,
      .get_ptt =  kenwood_get_ptt,
      .set_ptt =  kenwood_set_ptt,
      .set_func =  ts850_set_func,
      .get_func =  ts850_get_func,
      .set_level =  ts850_set_level,
      .get_level =  ts850_get_level,
      .vfo_op =  kenwood_vfo_op,
      .set_mem =  kenwood_set_mem,
      .get_mem =  ts850_get_mem,
      .get_channel = ts850_get_channel,
      .set_channel = ts850_set_channel,
      .set_trn =  kenwood_set_trn
};

/*
* Function definitions below
*/

int ts850_set_rit(RIG * rig, vfo_t vfo, shortfreq_t rit)
{
      char buf[50], infobuf[50];
      unsigned char c;
      int retval, len, i;
      size_t info_len;
      
      info_len = 0;
      if (rit == 0)
            kenwood_transaction(rig, "RT0;", 4, infobuf, &info_len);
      else
            kenwood_transaction(rig, "RT1;", 4, infobuf, &info_len);
      
      if (rit > 0)
            c = 'U';
      else
            c = 'D';
      len = sprintf(buf, "R%c;", c);
      
      info_len = 0;
      retval = kenwood_transaction(rig, "RC;", 3, infobuf, &info_len);
      for (i = 0; i < abs(rint(rit/20)); i++)
      {
            info_len = 0;
            retval = kenwood_transaction(rig, buf, len, infobuf, &info_len);
      }
      
      return RIG_OK;
}

int ts850_set_xit(RIG * rig, vfo_t vfo, shortfreq_t xit)
{
      char buf[50], infobuf[50];
      unsigned char c;
      int retval, len, i;
      size_t info_len;
      
      info_len = 0;
      if (xit == 0)
            kenwood_transaction(rig, "XT0;", 4, infobuf, &info_len);
      else
            kenwood_transaction(rig, "XT1;", 4, infobuf, &info_len);
      
      info_len = 0;
      retval = kenwood_transaction(rig, "RC;", 3, infobuf, &info_len);
      if (xit > 0)
            c = 'U';
      else
            c = 'D';
      len = sprintf(buf, "R%c;", c);
      
      for (i = 0; i < abs(rint(xit/20)); i++)
      {
            info_len = 0;
            retval = kenwood_transaction(rig, buf, len, infobuf, &info_len);
      }
      
      return RIG_OK;
}

/*
* modes in use by the "MD" command
*/
#define MD_NONE '0'
#define MD_LSB  '1'
#define MD_USB  '2'
#define MD_CW   '3'
#define MD_FM   '4'
#define MD_AM   '5'
#define MD_FSK  '6'
#define MD_CWR  '7'
#define MD_FSKR '9'


int ts850_get_mode(RIG *rig, vfo_t vfo, rmode_t *mode, pbwidth_t *width)
{
      char infobuf[50];
      size_t info_len;
      int f,f1,f2,retval;
      
      info_len = 50;
      retval = kenwood_transaction (rig, "IF;", 3, infobuf, &info_len)
            ;
      if (retval != RIG_OK)
            return retval;
      
      if (info_len != 38 || infobuf[1] != 'F') {
            rig_debug(RIG_DEBUG_ERR,"ts850_get_mode: wrong answer len=%d\n", info_len);
            return -RIG_ERJCTED;
      }
      
      switch (infobuf[29]) {
            case MD_CW:     *mode = RIG_MODE_CW; break;
            case MD_CWR:    *mode = RIG_MODE_CWR; break;
            case MD_USB:    *mode = RIG_MODE_USB; break;
            case MD_LSB:    *mode = RIG_MODE_LSB; break;
            case MD_FM:     *mode = RIG_MODE_FM; break;
            case MD_AM:     *mode = RIG_MODE_AM; break;
            case MD_FSK:    *mode = RIG_MODE_RTTY; break;
            case MD_FSKR:   *mode = RIG_MODE_RTTYR; break;
            case MD_NONE:   *mode = RIG_MODE_NONE; break;
            default:
                  rig_debug(RIG_DEBUG_ERR,"ts850_get_mode: unsupported mode '%c'\n", infobuf[29]);
            return -RIG_EINVAL;
      }
      
      info_len = 50;
      retval = kenwood_transaction (rig, "FL;", 3, infobuf, &info_len)
            ;
      if (retval != RIG_OK)
            return retval;
      
      if (info_len != 9 || infobuf[1] != 'L') {
            rig_debug(RIG_DEBUG_ERR,"ts850_get_mode: wrong answer len=%d\n", info_len);
            return -RIG_ERJCTED;
      }
      
      infobuf[8]='\0';
      f2=atoi(&infobuf[5]);
      infobuf[5]='\0';
      f1=atoi(&infobuf[2]);
      
      if(f2>f1) f=f2;
      else f=f1;
      
      switch(f) {
            case 2:
                  *width=kHz(12);
            break;
            case 3:
            case 5:
                  *width=kHz(6);
            break;
            case 7:
                  *width=kHz(2.7);
            break;
            case 9:
                  *width=Hz(500);
            break;
            case 10:
                  *width=Hz(250);
            break;
      }
      
      return RIG_OK;
}

static char mode_to_char(rmode_t mode)
{
      switch (mode) {
            case RIG_MODE_CW:       return(MD_CW);
            case RIG_MODE_CWR:      return(MD_CWR);
            case RIG_MODE_USB:      return(MD_USB);
            case RIG_MODE_LSB:      return(MD_LSB);
            case RIG_MODE_FM:       return(MD_FM);
            case RIG_MODE_AM:       return(MD_AM);
            case RIG_MODE_RTTY:     return(MD_FSK);
            case RIG_MODE_RTTYR:    return(MD_FSKR);
            default:
                  rig_debug(RIG_DEBUG_WARN,"%s: unsupported mode %d\n", __FUNCTION__,mode);
      }
      return(RIG_MODE_NONE);
}

int ts850_set_mode(RIG *rig, vfo_t vfo, rmode_t mode, pbwidth_t width)
{
      char mdbuf[16],ackbuf[16];
      int mdbuf_len, kmode, retval;
      size_t ack_len;
      
      kmode=mode_to_char(mode);
      if(kmode==RIG_MODE_NONE) {
            rig_debug(RIG_DEBUG_ERR,"ts850_set_mode: " "unsupported mode %d\n", mode);
            return -RIG_EINVAL;
      }
      
      mdbuf_len = sprintf(mdbuf, "MD%c;", kmode);
      ack_len = 0;
      retval = kenwood_transaction (rig, mdbuf, mdbuf_len, ackbuf, &ack_len);
      
      if (retval != RIG_OK)
            return retval;
      
      ack_len = 0;
      if(width <= Hz(250)) 
            mdbuf_len = sprintf(mdbuf, "FL010009;");
      else
            if(width <= Hz(500)) 
            mdbuf_len = sprintf(mdbuf, "FL009009;");
      else
            if(width <= kHz(2.7)) 
            mdbuf_len = sprintf(mdbuf, "FL007007;");
      else
            if(width <= kHz(6)) 
            mdbuf_len = sprintf(mdbuf, "FL005005;");
      else
            mdbuf_len = sprintf(mdbuf, "FL002002;");
      
      retval = kenwood_transaction (rig, mdbuf, mdbuf_len, ackbuf, &ack_len);
      
      return retval;
}

int ts850_set_ctcss_tone(RIG *rig, vfo_t vfo, tone_t tone)
{
      const struct rig_caps *caps;
      char tonebuf[16], ackbuf[16];
      int i, tone_len;
      size_t ack_len;
      
      caps = rig->caps;
      
      for (i = 0; caps->ctcss_list[i] != 0 && i<38; i++) {
            if (caps->ctcss_list[i] == tone)
                  break;
      }
      if (caps->ctcss_list[i] != tone)
            return -RIG_EINVAL;
      
      tone_len = sprintf(tonebuf,"TN%03d;", i+1);
      
      ack_len = 0;
      return kenwood_transaction (rig, tonebuf, tone_len, ackbuf, &ack_len);
}

int ts850_set_func(RIG *rig, vfo_t vfo, setting_t func, int status)
{
      char fctbuf[16], ackbuf[16];
      int fct_len;
      size_t ack_len;
      
      if (vfo != RIG_VFO_CURR) 
            return -RIG_EINVAL;
      
      ack_len = 0;
      switch (func) {
            case RIG_FUNC_AIP:
                  fct_len = sprintf(fctbuf,"MX%c;", status?'1':'0');
            return kenwood_transaction (rig, fctbuf, fct_len, ackbuf, &ack_len);
            
            case RIG_FUNC_LOCK:
                  fct_len = sprintf(fctbuf,"LK%c;", status?'1':'0');
            return kenwood_transaction (rig, fctbuf, fct_len, ackbuf, &ack_len);
            
            default:
                  rig_debug(RIG_DEBUG_ERR,"Unsupported set_func %#x", func);
            return -RIG_EINVAL;
      }                                                           
      return RIG_OK;
}


int ts850_get_func(RIG *rig, vfo_t vfo, setting_t func, int *status)
{
      char fctbuf[16], ackbuf[50];
      int retval, fct_len;
      size_t ack_len;
      
      if (vfo != RIG_VFO_CURR) 
            return -RIG_EINVAL;
      
      switch (func) {
            case RIG_FUNC_AIP:
                  fct_len = sprintf(fctbuf,"MX;");
            break;
            case RIG_FUNC_LOCK:
                  fct_len = sprintf(fctbuf,"LK;");
            break;
            default:
                  rig_debug(RIG_DEBUG_ERR,"Unsupported get_func %#x", func);
            return -RIG_EINVAL;
      }
      
      ack_len = 50;
      retval = kenwood_transaction (rig, fctbuf, fct_len, ackbuf, &ack_len);
      
      if (retval != RIG_OK)
            return retval;
      
      *status=ackbuf[2]=='1'?1:0;
      
      return RIG_OK;
}

int ts850_get_level(RIG *rig, vfo_t vfo, setting_t level, value_t *val)
{
      char lvlbuf[50];
      int i, retval;
      size_t lvl_len;
      
      if(vfo!=RIG_VFO_CURR)
            return -RIG_EINVAL;
      
      switch (level) {
            case RIG_LEVEL_RAWSTR:
            lvl_len = 50;
            retval = kenwood_transaction (rig, "SM;", 3, lvlbuf, &lvl_len);
            if (retval != RIG_OK)
                  return retval;
            lvlbuf[6]='\0';
            val->i=atoi(&lvlbuf[2]);
            break;
            
            case RIG_LEVEL_STRENGTH:
            lvl_len = 50;
            retval = kenwood_transaction (rig, "SM;", 3, lvlbuf, &lvl_len);
            if (retval != RIG_OK)
                  return retval;
            lvlbuf[6]='\0';
            val->i=atoi(&lvlbuf[2]);
            //val->i = (val->i * 4) - 54;  Old approximate way of doing it.
            val->i = (int)rig_raw2val(val->i,&rig->caps->str_cal);
            break;
            
            case RIG_LEVEL_SWR:
                  lvl_len = 0;
            retval = kenwood_transaction (rig, "RM1;", 4, lvlbuf, &lvl_len);
            if (retval != RIG_OK)
                  return retval;
            lvl_len = 50;
            retval = kenwood_transaction (rig, "RM;", 3, lvlbuf, &lvl_len);
            if (retval != RIG_OK)
                  return retval;
            lvlbuf[7]='\0';
            i=atoi(&lvlbuf[3]);
            if(i == 30) 
                  val->f = 150.0; /* infinity :-) */
            else
                  val->f = 60.0/(30.0-(float)i)-1.0;
            break;
            
            case RIG_LEVEL_COMP:
                  lvl_len = 0;
            retval = kenwood_transaction (rig, "RM2;", 4, lvlbuf, &lvl_len);
            if (retval != RIG_OK)
                  return retval;
            lvl_len = 50;
            retval = kenwood_transaction (rig, "RM;", 3, lvlbuf, &lvl_len);
            if (retval != RIG_OK)
                  return retval;
            lvlbuf[7]='\0';
            val->f=(float)atoi(&lvlbuf[3])/30.0;
            break;
            
            case RIG_LEVEL_ALC:
                  lvl_len = 0;
            retval = kenwood_transaction (rig, "RM3;", 4, lvlbuf, &lvl_len);
            if (retval != RIG_OK)
                  return retval;
            lvl_len = 50;
            retval = kenwood_transaction (rig, "RM;", 3, lvlbuf, &lvl_len);
            if (retval != RIG_OK)
                  return retval;
            lvlbuf[7]='\0';
            val->f=(float)atoi(&lvlbuf[3])/30.0;
            break;
            
            case RIG_LEVEL_CWPITCH:
                  lvl_len = 25;
            retval = kenwood_transaction (rig, "PT;", 3, lvlbuf, &lvl_len);
            if (retval != RIG_OK)
                  return retval;
            lvlbuf[4]='\0';
            val->i=atoi(&lvlbuf[2]);
            val->i=(val->i-8)*50+800;
            break;
            
            
            default:
                  return kenwood_get_level (rig, vfo, level, val);
      }
      return retval; // Never gets here.
}

int ts850_set_level(RIG *rig, vfo_t vfo, setting_t level, value_t val)
{
      char lvlbuf[16], ackbuf[16];
      int lvl_len;
      size_t ack_len;
      
      switch (level) {
            case RIG_LEVEL_CWPITCH:
                  if(val.i>1000 || val.i<400)
                  return -RIG_EINVAL;     
            ack_len=0;
            lvl_len = sprintf(lvlbuf,"PT%02d;",(val.i/50)-8);
            return  kenwood_transaction (rig, lvlbuf, lvl_len, ackbuf, &ack_len);
            break;
            
            
            default:
                  return kenwood_set_level (rig, vfo, level, val);
    }
  
  return RIG_OK;        /* never reached */
}

int ts850_get_mem(RIG *rig, vfo_t vfo, int *ch)
{
      char infobuf[50];
      size_t info_len;
      int retval;
      
      info_len = 50;
      retval = kenwood_transaction (rig, "IF;", 3, infobuf, &info_len)
            ;
      if (retval != RIG_OK)
            return retval;
      
      if (info_len != 38 || infobuf[1] != 'F') {
            rig_debug(RIG_DEBUG_ERR,"ts850_get_mem: wrong answer len=%d\n", info_len);
            return -RIG_ERJCTED;
      }
      
      infobuf[28]='\0';
      *ch=atoi(&infobuf[26]);
      
      return RIG_OK;
}

static rmode_t char_to_mode(char c)
{
      switch (c) {
            case MD_CW:     return(RIG_MODE_CW);
            case MD_CWR:    return(RIG_MODE_CWR);
            case MD_USB:    return(RIG_MODE_USB);
            case MD_LSB:    return(RIG_MODE_LSB);
            case MD_FM:     return(RIG_MODE_FM);
            case MD_AM:     return(RIG_MODE_AM);
            case MD_FSK:    return(RIG_MODE_RTTY);
            case MD_FSKR:   return(RIG_MODE_RTTYR);
            case MD_NONE:   return(RIG_MODE_NONE);
      }
      return(RIG_MODE_NONE);
}

int ts850_get_channel (RIG * rig, channel_t * chan)
{
      char cmdbuf[16], membuf[50];
      int retval, cmd_len, num;
      size_t mem_len;
      
      num=chan->channel_num;
      
      cmd_len = sprintf(cmdbuf, "MR0 %02d;", num);
      mem_len = 50;
      retval = kenwood_transaction (rig, cmdbuf, cmd_len, membuf, &mem_len);
      if (retval != RIG_OK)
            return retval;
      
      memset(chan,0,sizeof(channel_t));
      chan->channel_num=num;
      
      
      if (membuf[19]=='0')
            chan->ctcss_tone=0;
      else {
            membuf[22]='\0';
            chan->ctcss_tone= rig->caps->ctcss_list[atoi(&membuf[20])];
      }
      
      chan->mode=char_to_mode(membuf[17]);
      
      membuf[17]='\0';
      chan->freq=atoi(&membuf[6]);
      
      cmd_len = sprintf(cmdbuf, "MR1 %02d;", num);
      mem_len = 50;
      retval = kenwood_transaction (rig, cmdbuf, cmd_len, membuf, &mem_len);
      if (retval != RIG_OK)
            return retval;
      
      chan->tx_mode=char_to_mode(membuf[17]);
      membuf[17]='\0';
      chan->tx_freq=atoi(&membuf[6]);
      
      if(chan->freq==chan->tx_freq &&
         chan->mode==chan->tx_mode) {
               chan->tx_freq=RIG_FREQ_NONE;
               chan->tx_mode=RIG_MODE_NONE;
               chan->split=RIG_SPLIT_OFF;
         } else
            chan->split=RIG_SPLIT_ON;
      
      return RIG_OK;
}


int ts850_set_channel (RIG * rig, const channel_t * chan)
{
      char cmdbuf[30], membuf[30];
      int retval, cmd_len;
      size_t mem_len;
      int num,freq,tx_freq,tone;
      char mode,tx_mode,split,tones;
      
      num=chan->channel_num;
      freq=(int)chan->freq;
      mode=mode_to_char(chan->mode);
      if(chan->split==RIG_SPLIT_ON) {
            tx_freq=(int)chan->tx_freq;
            tx_mode=mode_to_char(chan->tx_mode);
            split='1';
      } else {
            tx_freq=0;
            tx_mode='\0';
            split='0';
      }
      
      for (tone = 1; rig->caps->ctcss_list[tone-1] != 0 && tone<39; tone++) {
            if (rig->caps->ctcss_list[tone-1] == chan->ctcss_tone)
                  break;
      }
      if(chan->ctcss_tone!=0) {
            tones='1';
      } else {
            tones='0';
            tone=0;
      }
      
      cmd_len = sprintf(cmdbuf, "MW0 %02d%011d%c0%c%02d ;",
                                num,freq,mode,tones,tone);
      mem_len = 0;
      retval = kenwood_transaction (rig, cmdbuf, cmd_len, membuf, &mem_len);
      if (retval != RIG_OK)
            return retval;
      
      cmd_len = sprintf(cmdbuf, "MW1 %02d%011d%c0%c%02d ;",
                                num,tx_freq,tx_mode,tones,tone);
      mem_len = 0;
      retval = kenwood_transaction (rig, cmdbuf, cmd_len, membuf, &mem_len);
      if (retval != RIG_OK)
            return retval;
      
      return RIG_OK;
}

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