Hamlib/rotators/radant/radant.c

220 wiersze
5.4 KiB
C
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/*
* Hamlib Rotator backend - Radant
* Copyright (c) 2001-2003 by Stephane Fillod
* Contributed by Francois Retief <fgretief@sun.ac.za>
* Copyright (c) 2014 by Alexander Schultze <alexschultze@gmail.com>
*
*
* 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
*
*/
#include <stdio.h>
#include <string.h> /* String function definitions */
#include "hamlib/rotator.h"
#include "serial.h"
#include "misc.h"
#include "register.h"
#include "idx_builtin.h"
#include "radant.h"
//#define EASYCOMM3_LEVELS ROT_LEVEL_SPEED
/* ************************************************************************* */
/**
* radant_transaction
*
* Assumes rot!=NULL and cmdstr!=NULL
*
* cmdstr - string to send to rotator
* data - buffer for reply string
* data_len - (input) Maximum size of buffer
* (output) Number of bytes read.
*/
static int
radant_transaction(ROT *rot, const char *cmdstr, char *data, size_t data_len)
{
struct rot_state *rs;
int retval;
rig_debug(RIG_DEBUG_TRACE, "%s called: %s\n", __func__, cmdstr);
if (!rot)
{
return -RIG_EINVAL;
}
rs = &rot->state;
rig_flush(&rs->rotport);
retval = write_block(&rs->rotport, (unsigned char *) cmdstr, strlen(cmdstr));
if (retval != RIG_OK)
{
goto transaction_quit;
}
if (data == NULL)
{
return RIG_OK; /* don't want a reply */
}
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retval = read_string(&rs->rotport, (unsigned char *) data, data_len, "\n", 1, 0,
1);
if (retval < 0)
{
rig_debug(RIG_DEBUG_TRACE, "%s read_string failed with status %d\n", __func__,
retval);
goto transaction_quit;
}
else
{
rig_debug(RIG_DEBUG_TRACE, "%s read_string: %s\n", __func__, data);
retval = RIG_OK;
}
transaction_quit:
return retval;
}
/* ************************************************************************* */
static int
radant_rot_set_position(ROT *rot, azimuth_t az, elevation_t el)
{
char cmdstr[32];
int retval;
rig_debug(RIG_DEBUG_TRACE, "%s called: %f %f\n", __func__, az, el);
SNPRINTF(cmdstr, sizeof(cmdstr), "Q%.1f %1.f\r", az, el);
retval = radant_transaction(rot, cmdstr, NULL, 0);
if (retval != RIG_OK)
{
return retval;
}
/* TODO: Error processing */
return RIG_OK;
}
static int
radant_rot_get_position(ROT *rot, azimuth_t *az, elevation_t *el)
{
char cmdstr[4], ackbuf[16];
int retval;
rig_debug(RIG_DEBUG_TRACE, "%s called\n", __func__);
SNPRINTF(cmdstr, sizeof(cmdstr), "Y\r");
retval = radant_transaction(rot, cmdstr, ackbuf, sizeof(ackbuf));
if (retval != RIG_OK)
{
rig_debug(RIG_DEBUG_TRACE, "%s got error: %d\n", __func__, retval);
return retval;
}
rig_debug(RIG_DEBUG_TRACE, "%s got response: %s\n", __func__, ackbuf);
retval = sscanf(ackbuf, "OK%f %f\r", az, el);
if (retval != 2)
{
rig_debug(RIG_DEBUG_ERR, "%s: unknown response (%s)\n", __func__, ackbuf);
return -RIG_ERJCTED;
}
return RIG_OK;
}
static int
radant_rot_stop(ROT *rot)
{
int retval;
rig_debug(RIG_DEBUG_TRACE, "%s called\n", __func__);
retval = radant_transaction(rot, "S\r", NULL, 0);
if (retval != RIG_OK)
{
return retval;
}
/* TODO: error processing */
return RIG_OK;
}
/* ************************************************************************* */
/*
* Radant rotator capabilities.
*/
/** Radant implement set and get position function and stop, but
* there is no velocity and other configurations functions
*/
const struct rot_caps radant_rot_caps =
{
ROT_MODEL(ROT_MODEL_RADANT),
.model_name = "AZ-1/AZV-1",
.mfg_name = "Radant",
.version = "20210508.0",
.copyright = "LGPL",
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.status = RIG_STATUS_STABLE,
.rot_type = ROT_TYPE_OTHER,
.port_type = RIG_PORT_SERIAL,
.serial_rate_min = 9600,
.serial_rate_max = 9600,
.serial_data_bits = 8,
.serial_stop_bits = 1,
.serial_parity = RIG_PARITY_NONE,
.serial_handshake = RIG_HANDSHAKE_NONE,
.write_delay = 0,
.post_write_delay = 0,
.timeout = 200,
.retry = 3,
.min_az = 0.0,
.max_az = 360.0,
.min_el = 0.0,
.max_el = 180.0,
.priv = NULL, /* priv */
.set_position = radant_rot_set_position,
.get_position = radant_rot_get_position,
.stop = radant_rot_stop,
};
/* ************************************************************************* */
DECLARE_INITROT_BACKEND(radant)
{
rig_debug(RIG_DEBUG_VERBOSE, "%s called\n", __func__);
rot_register(&radant_rot_caps);
return RIG_OK;
}
/* ************************************************************************* */
/* end of file */