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ft757gx.h

/*
 * hamlib - (C) Frank Singleton 2000 (vk3fcs@@ix.netcom.com)
 *
 * ft757gx.h - (C) Frank Singleton 2000 (vk3fcs@@ix.netcom.com)
 * This shared library provides an API for communicating
 * via serial interface to an FT-757GX using the "CAT" interface
 * box (FIF-232C) or similar (max232 + some capacitors :-)
 *
 *
 *    $Id: ft757gx.h,v 1.3 2008/01/10 14:19:19 n0nb Exp $  
 *
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License as published by the Free Software Foundation; either
 *  version 2 of the License, or (at your option) any later version.
 *
 *  This library 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
 *  Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307  USA
 *
 */


#ifndef _FT757GX_H
#define _FT757GX_H 1

#define FT757GX_STATUS_UPDATE_DATA_LENGTH   75

#define FT757GX_PACING_INTERVAL             0
#define FT757GX_PACING_DEFAULT_VALUE        0
#define FT757GX_WRITE_DELAY                 50

/* number of BCD digits--2 digits per octet */
#define BCD_LEN     8


/* Sequential fast writes confuse my FT757GX without this delay */
#define FT757GX_POST_WRITE_DELAY            5


/* Rough safe value for default timeout */
#define FT757GX_DEFAULT_READ_TIMEOUT  345 * ( 3 + (FT757GX_PACING_INTERVAL * FT757GX_PACING_DEFAULT_VALUE))

/*
 * Some useful offsets in the status update map (offset = book byte value - 1)
 *
 * Status Update Chart, FT757GXII
 */
#define STATUS_CURR_FREQ    5 /* Operating Frequency */
#define STATUS_CURR_MODE    9
#define STATUS_VFOA_FREQ    10
#define STATUS_VFOA_MODE    14
#define STATUS_VFOB_FREQ    15
#define STATUS_VFOB_MODE    19

/* Mode values for both set and get */
#define MODE_LSB    0x00
#define MODE_USB    0x01
#define MODE_CWW    0x02
#define MODE_CWN    0x03
#define MODE_AM     0x04
#define MODE_FM     0x05


/* TODO: get better measure numbers */
#define FT757GXII_STR_CAL { 2, { \
    {  0, -60 },    /* S0 -6dB */ \
    { 15,  60 }     /* +60 */ \
    } }

#define FT757_MEM_CAP { \
    .freq = 1,     \
    .mode = 1,     \
    .width = 1     \
    }


/* 
 * Receiver caps 
 */
#define FT757GX_ALL_RX_MODES (RIG_MODE_AM|RIG_MODE_CW|RIG_MODE_SSB|RIG_MODE_FM)


/* 
 * TX caps
 */ 
#define FT757GX_ALL_TX_MODES (RIG_MODE_AM|RIG_MODE_CW|RIG_MODE_SSB|RIG_MODE_FM)


/* Backend fucntion prototypes.  These map to frontend functions. */
static int ft757_init(RIG *rig);
static int ft757_cleanup(RIG *rig);
static int ft757_open(RIG *rig);

static int ft757_set_freq(RIG *rig, vfo_t vfo, freq_t freq);
static int ft757_get_freq(RIG *rig, vfo_t vfo, freq_t *freq);

static int ft757_set_mode(RIG *rig, vfo_t vfo, rmode_t mode, pbwidth_t width); /* select mode */
static int ft757_get_mode(RIG *rig, vfo_t vfo, rmode_t *mode, pbwidth_t *width); /* get mode */

static int ft757_set_vfo(RIG *rig, vfo_t vfo); /* select vfo */
static int ft757_get_vfo(RIG *rig, vfo_t *vfo); /* get vfo */

static int ft757_get_ptt(RIG *rig, vfo_t vfo, ptt_t *ptt);
static int ft757_get_level(RIG *rig, vfo_t vfo, setting_t level, value_t *val);


#endif /* _FT757GX_H */

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