kopia lustrzana https://github.com/Hamlib/Hamlib
152 wiersze
3.9 KiB
C
152 wiersze
3.9 KiB
C
/*
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* Hamlib Rotator backend - Fodtrack parallel port
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* Copyright (c) 2001,2002 by Stephane Fillod
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*
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* $Id: fodtrack.c,v 1.1 2002-11-28 22:24:10 fillods Exp $
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*
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* This library is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Library General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <stdlib.h>
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#include <stdio.h> /* Standard input/output definitions */
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#include <string.h> /* String function definitions */
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#include <unistd.h> /* UNIX standard function definitions */
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#include <fcntl.h> /* File control definitions */
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#include <errno.h> /* Error number definitions */
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#include <termios.h> /* POSIX terminal control definitions */
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#include <sys/ioctl.h>
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/*
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* So far, only supported on Linux platforms
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*/
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#ifdef HAVE_LINUX_PPDEV_H
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#include <linux/parport.h>
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#include <linux/ppdev.h>
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#endif
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#include <hamlib/rotator.h>
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#include <serial.h>
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#include <misc.h>
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#include "fodtrack.h"
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/* ************************************************************************* */
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/** outputs an direction to the interface */
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static int setDirection(int fodtrackfd, unsigned char outputvalue, int direction)
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{
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unsigned char outputstatus;
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// set the data bits
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ioctl(fodtrackfd, PPWDATA, &outputvalue);
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// autofd=true --> azimuth otherwhise elevation
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if(direction)
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outputstatus = PARPORT_CONTROL_AUTOFD;
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else
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outputstatus=0;
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ioctl(fodtrackfd, PPWCONTROL, &outputstatus);
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// and now the strobe impulse
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usleep(1);
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if(direction)
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outputstatus = PARPORT_CONTROL_AUTOFD | PARPORT_CONTROL_STROBE;
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else
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outputstatus = PARPORT_CONTROL_STROBE;
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ioctl(fodtrackfd, PPWCONTROL, &outputstatus);
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usleep(1);
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if (direction)
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outputstatus= PARPORT_CONTROL_AUTOFD;
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else
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outputstatus=0;
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ioctl(fodtrackfd, PPWCONTROL, &outputstatus);
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return RIG_OK;
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}
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static int
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fodtrack_set_position(ROT *rot, azimuth_t az, elevation_t el)
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{
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int fd;
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int retval;
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rig_debug(RIG_DEBUG_TRACE, "%s called: %f %f\n", __FUNCTION__, az, el);
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fd = rot->state.rotport.fd;
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retval = setDirection(fd, el/(float)rot->state.max_el*255.0, 0);
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if (retval != RIG_OK)
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return retval;
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retval = setDirection(fd, az/(float)rot->state.max_az*255.0, 1);
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if (retval != RIG_OK)
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return retval;
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return RIG_OK;
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}
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/* ************************************************************************* */
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/*
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* Fodtrack rotator capabilities.
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*/
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/** Fodtrack implement essentially only the set position function.
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*/
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const struct rot_caps fodtrack_rot_caps = {
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.rot_model = ROT_MODEL_FODTRACK,
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.model_name = "Fodtrack",
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.mfg_name = "XQ2FOD",
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.version = "0.1",
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.copyright = "LGPL",
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.status = RIG_STATUS_NEW,
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.rot_type = ROT_TYPE_OTHER,
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.port_type = RIG_PORT_PARALLEL,
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.write_delay = 0,
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.post_write_delay = 0,
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.timeout = 200,
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.retry = 3,
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.min_az = 0,
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.max_az = 450,
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.min_el = 0,
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.max_el = 180,
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.priv = NULL, /* priv */
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.set_position = fodtrack_set_position,
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};
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/* ************************************************************************* */
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int initrots_fodtrack(void *be_handle)
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{
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rig_debug(RIG_DEBUG_VERBOSE, "%s called\n", __FUNCTION__);
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rot_register(&fodtrack_rot_caps);
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return RIG_OK;
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}
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/* ************************************************************************* */
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/* end of file */
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