kopia lustrzana https://github.com/Hamlib/Hamlib
364 wiersze
7.5 KiB
C
364 wiersze
7.5 KiB
C
/*
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* Hamlib Netrotctl backend - main file
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* Copyright (c) 2001-2009 by Stephane Fillod
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*
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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#include <hamlib/config.h>
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#include <stdlib.h>
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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 <math.h>
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#include <errno.h>
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#include "hamlib/rotator.h"
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#include "iofunc.h"
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#include "misc.h"
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#include "network.h"
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#include "serial.h"
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#include "rot_dummy.h"
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#define CMD_MAX 32
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#define BUF_MAX 64
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/*
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* Helper function with protocol return code parsing
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*/
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static int netrotctl_transaction(ROT *rot, char *cmd, int len, char *buf)
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{
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int ret;
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/* flush anything in the read buffer before command is sent */
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rig_flush(&rot->state.rotport);
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ret = write_block(&rot->state.rotport, (unsigned char *) cmd, len);
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if (ret != RIG_OK)
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{
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return ret;
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}
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ret = read_string(&rot->state.rotport, (unsigned char *) buf, BUF_MAX, "\n", sizeof("\n"), 0, 1);
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if (ret < 0)
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{
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return ret;
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}
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if (!memcmp(buf, NETROTCTL_RET, strlen(NETROTCTL_RET)))
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{
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return atoi(buf + strlen(NETROTCTL_RET));
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}
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return ret;
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}
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static int netrotctl_open(ROT *rot)
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{
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int ret;
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struct rot_state *rs = &rot->state;
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int prot_ver;
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char cmd[CMD_MAX];
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char buf[BUF_MAX];
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rig_debug(RIG_DEBUG_VERBOSE, "%s called\n", __func__);
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SNPRINTF(cmd, sizeof(cmd), "\\dump_state\n");
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ret = netrotctl_transaction(rot, cmd, strlen(cmd), buf);
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if (ret <= 0)
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{
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return (ret < 0) ? ret : -RIG_EPROTO;
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}
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prot_ver = atoi(buf);
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#define ROTCTLD_PROT_VER 0
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if (prot_ver < ROTCTLD_PROT_VER)
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{
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return -RIG_EPROTO;
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}
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ret = read_string(&rot->state.rotport, (unsigned char *) buf, BUF_MAX, "\n", sizeof("\n"), 0, 1);
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if (ret <= 0)
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{
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return (ret < 0) ? ret : -RIG_EPROTO;
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}
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ret = read_string(&rot->state.rotport, (unsigned char *) buf, BUF_MAX, "\n", sizeof("\n"), 0, 1);
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if (ret <= 0)
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{
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return (ret < 0) ? ret : -RIG_EPROTO;
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}
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rs->min_az = atof(buf);
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ret = read_string(&rot->state.rotport, (unsigned char *) buf, BUF_MAX, "\n", sizeof("\n"), 0, 1);
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if (ret <= 0)
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{
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return (ret < 0) ? ret : -RIG_EPROTO;
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}
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rs->max_az = atof(buf);
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ret = read_string(&rot->state.rotport, (unsigned char *) buf, BUF_MAX, "\n", sizeof("\n"), 0, 1);
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if (ret <= 0)
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{
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return (ret < 0) ? ret : -RIG_EPROTO;
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}
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rs->min_el = atof(buf);
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ret = read_string(&rot->state.rotport, (unsigned char *) buf, BUF_MAX, "\n", sizeof("\n"), 0, 1);
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if (ret <= 0)
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{
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return (ret < 0) ? ret : -RIG_EPROTO;
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}
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rs->max_el = atof(buf);
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return RIG_OK;
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}
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static int netrotctl_close(ROT *rot)
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{
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rig_debug(RIG_DEBUG_VERBOSE, "%s called\n", __func__);
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/* clean signoff, no read back */
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write_block(&rot->state.rotport, (unsigned char *) "q\n", 2);
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return RIG_OK;
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}
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static int netrotctl_set_position(ROT *rot, azimuth_t az, elevation_t el)
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{
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int ret;
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char cmd[CMD_MAX];
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char buf[BUF_MAX];
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rig_debug(RIG_DEBUG_VERBOSE, "%s called: %f %f\n", __func__,
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az, el);
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SNPRINTF(cmd, sizeof(cmd), "P %f %f\n", az, el);
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ret = netrotctl_transaction(rot, cmd, strlen(cmd), buf);
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if (ret > 0)
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{
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return -RIG_EPROTO;
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}
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else
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{
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return ret;
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}
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}
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static int netrotctl_get_position(ROT *rot, azimuth_t *az, elevation_t *el)
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{
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int ret;
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char cmd[CMD_MAX];
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char buf[BUF_MAX];
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rig_debug(RIG_DEBUG_VERBOSE, "%s called\n", __func__);
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SNPRINTF(cmd, sizeof(cmd), "p\n");
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ret = netrotctl_transaction(rot, cmd, strlen(cmd), buf);
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if (ret <= 0)
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{
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return (ret < 0) ? ret : -RIG_EPROTO;
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}
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*az = atof(buf);
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ret = read_string(&rot->state.rotport, (unsigned char *) buf, BUF_MAX, "\n", sizeof("\n"), 0, 1);
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if (ret <= 0)
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{
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return (ret < 0) ? ret : -RIG_EPROTO;
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}
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*el = atof(buf);
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return RIG_OK;
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}
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static int netrotctl_stop(ROT *rot)
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{
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int ret;
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char cmd[CMD_MAX];
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char buf[BUF_MAX];
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rig_debug(RIG_DEBUG_VERBOSE, "%s called\n", __func__);
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SNPRINTF(cmd, sizeof(cmd), "S\n");
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ret = netrotctl_transaction(rot, cmd, strlen(cmd), buf);
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if (ret > 0)
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{
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return -RIG_EPROTO;
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}
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else
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{
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return ret;
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}
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}
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static int netrotctl_park(ROT *rot)
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{
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int ret;
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char cmd[CMD_MAX];
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char buf[BUF_MAX];
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rig_debug(RIG_DEBUG_VERBOSE, "%s called\n", __func__);
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SNPRINTF(cmd, sizeof(cmd), "K\n");
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ret = netrotctl_transaction(rot, cmd, strlen(cmd), buf);
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if (ret > 0)
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{
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return -RIG_EPROTO;
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}
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else
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{
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return ret;
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}
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}
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static int netrotctl_reset(ROT *rot, rot_reset_t reset)
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{
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int ret;
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char cmd[CMD_MAX];
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char buf[BUF_MAX];
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rig_debug(RIG_DEBUG_VERBOSE, "%s called\n", __func__);
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SNPRINTF(cmd, sizeof(cmd), "R %d\n", reset);
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ret = netrotctl_transaction(rot, cmd, strlen(cmd), buf);
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if (ret > 0)
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{
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return -RIG_EPROTO;
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}
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else
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{
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return ret;
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}
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}
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static int netrotctl_move(ROT *rot, int direction, int speed)
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{
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int ret;
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char cmd[CMD_MAX];
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char buf[BUF_MAX];
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rig_debug(RIG_DEBUG_VERBOSE, "%s called\n", __func__);
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SNPRINTF(cmd, sizeof(cmd), "M %d %d\n", direction, speed);
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ret = netrotctl_transaction(rot, cmd, strlen(cmd), buf);
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if (ret > 0)
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{
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return -RIG_EPROTO;
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}
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else
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{
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return ret;
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}
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}
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static const char *netrotctl_get_info(ROT *rot)
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{
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int ret;
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char cmd[CMD_MAX];
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static char buf[BUF_MAX];
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rig_debug(RIG_DEBUG_VERBOSE, "%s called\n", __func__);
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SNPRINTF(cmd, sizeof(cmd), "_\n");
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ret = netrotctl_transaction(rot, cmd, strlen(cmd), buf);
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if (ret < 0)
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{
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return NULL;
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}
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buf [ret] = '\0';
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return buf;
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}
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/*
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* NET rotctl capabilities.
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*/
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const struct rot_caps netrotctl_caps =
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{
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ROT_MODEL(ROT_MODEL_NETROTCTL),
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.model_name = "NET rotctl",
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.mfg_name = "Hamlib",
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.version = "20200528.0",
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.copyright = "LGPL",
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.status = RIG_STATUS_STABLE,
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.rot_type = ROT_TYPE_OTHER,
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.port_type = RIG_PORT_NETWORK,
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.timeout = 2000,
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.retry = 3,
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.min_az = -180.,
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.max_az = 180.,
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.min_el = 0.,
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.max_el = 90.,
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.priv = NULL, /* priv */
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/* .rot_init = netrotctl_init, */
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/* .rot_cleanup = netrotctl_cleanup, */
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.rot_open = netrotctl_open,
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.rot_close = netrotctl_close,
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.set_position = netrotctl_set_position,
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.get_position = netrotctl_get_position,
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.park = netrotctl_park,
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.stop = netrotctl_stop,
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.reset = netrotctl_reset,
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.move = netrotctl_move,
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.get_info = netrotctl_get_info,
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};
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