Hamlib/rigs/tapr/tapr.c

125 wiersze
2.7 KiB
C

/*
* Hamlib TAPR backend - main file
* Copyright (c) 2003 by Stephane Fillod
*
*
* 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 2.1 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdlib.h>
#include <string.h> /* String function definitions */
#include <unistd.h> /* UNIX standard function definitions */
#include "hamlib/rig.h"
#include "register.h"
#include "serial.h"
#include "tapr.h"
#define ESC '$'
#define CMD_LEN 6
#define CMD7 7
#define NU1 1
#define NU2 2
#define NU3 3
#define NU4 4
/*
* tapr_cmd
* We assume that rig!=NULL, rig->state!= NULL, data!=NULL
* Otherwise, you'll get a nice seg fault. You've been warned!
* TODO: error case handling
*/
static int tapr_cmd(RIG *rig, unsigned char cmd, unsigned char c1,
unsigned char c2, unsigned char c3, unsigned char c4)
{
int retval;
struct rig_state *rs;
unsigned char cmdbuf[CMD_LEN];
rs = &rig->state;
rig_flush(&rs->rigport);
cmdbuf[0] = ESC;
cmdbuf[1] = cmd;
cmdbuf[2] = c1;
cmdbuf[3] = c2;
cmdbuf[4] = c3;
cmdbuf[5] = c4;
retval = write_block(&rs->rigport, (char *) cmdbuf, 6);
if (retval != RIG_OK)
{
return retval;
}
return RIG_OK;
}
/*
* tapr_set_freq
* Assumes rig!=NULL
*/
int tapr_set_freq(RIG *rig, vfo_t vfo, freq_t freq)
{
unsigned int dsp_dph, dsp_deltap_lo, dsp_deltap_hi;
int retval;
return -RIG_ENIMPL; /* FIXME! */
dsp_dph = (unsigned int)(1.365333333 * (double)(freq - MHz(144) + 15000UL));
dsp_deltap_lo = 0xff & dsp_dph;
dsp_deltap_hi = 0xff & (dsp_dph >> 8);
retval = tapr_cmd(rig, CMD7, 0, NU1, dsp_deltap_lo, dsp_deltap_hi);
return retval;
}
/*
* tapr_set_mode
* Assumes rig!=NULL
*/
int tapr_set_mode(RIG *rig, vfo_t vfo, rmode_t mode, pbwidth_t width)
{
return -RIG_ENIMPL;
}
/*
* initrigs_tapr is called by rig_backend_load
*/
DECLARE_INITRIG_BACKEND(tapr)
{
rig_debug(RIG_DEBUG_VERBOSE, "%s: _init called\n", __func__);
rig_register(&dsp10_caps);
return RIG_OK;
}