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/*
* Hamlib Rotator backend - PcRotor/WA6UFQ parallel port
* Copyright (c) 2001-2008 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
*
*/
#include <stdlib.h>
#include "hamlib/rotator.h"
#include "parallel.h"
/* ************************************************************************* */
//pcrotor_set_position(ROT *rot, azimuth_t az, elevation_t el)
#define PCROTOR_POWER 0x20
#define PCROTOR_CW 0x40
#define PCROTOR_CCW 0x80
#define PCROTOR_MASK (PCROTOR_CCW|PCROTOR_CW|PCROTOR_POWER)
static int setDirection(hamlib_port_t *port, unsigned char outputvalue)
{
int ret;
par_lock(port);
/* set the data bits.
* Should we read before write to not trample the lower significant bits?
*/
ret = par_write_data(port, outputvalue);
par_unlock(port);
return ret;
}
static int
pcrotor_stop(ROT *rot)
{
/* CW=0, CCW=0, Power-up=0 */
return setDirection(ROTPORT(rot), 0);
}
static int
pcrotor_move(ROT *rot, int direction, int speed)
{
unsigned char outputvalue;
rig_debug(RIG_DEBUG_TRACE, "%s called: %d %d\n", __func__, direction, speed);
switch (direction)
{
case ROT_MOVE_CCW:
outputvalue = PCROTOR_POWER | PCROTOR_CCW;
break;
case ROT_MOVE_CW:
outputvalue = PCROTOR_POWER | PCROTOR_CCW;
break;
case 0:
/* Stop */
outputvalue = 0;
break;
default:
return -RIG_EINVAL;
}
return setDirection(ROTPORT(rot), outputvalue);
}
/* ************************************************************************* */
/*
* PcRotor rotator capabilities.
*
* Control Interface schematics from, courtesy of Bob Hillard WA6UFQ:
* http://www.dxzone.com/cgi-bin/dir/jump2.cgi?ID=11173
*
* DB25-7=Data-5= Power up/Sleep
* DB25-8=Data-6= CW
* DB25-9=Data-7= CCW
*
* There's no feedback.
*/
/** Fodtrack implement essentially only the set position function.
*
*/
const struct rot_caps pcrotor_caps =
{
ROT_MODEL(ROT_MODEL_PCROTOR),
.model_name = "PcRotor",
.mfg_name = "WA6UFQ",
.version = "20081013.0",
.copyright = "LGPL",
.status = RIG_STATUS_STABLE,
.rot_type = ROT_TYPE_OTHER,
.port_type = RIG_PORT_PARALLEL,
.write_delay = 0,
.post_write_delay = 0,
.timeout = 200,
.retry = 3,
.min_az = 0,
.max_az = 360,
.min_el = 0,
.max_el = 0,
.priv = NULL, /* priv */
.move = pcrotor_move,
.stop = pcrotor_stop,
//.set_position = pcrotor_set_position,
//.get_position = pcrotor_get_position,
};
/* end of file */
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