kopia lustrzana https://github.com/Hamlib/Hamlib
114 wiersze
2.4 KiB
C
114 wiersze
2.4 KiB
C
/*
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* Hamlib RFT backend - main file
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* Copyright (c) 2003 by Thomas B. Ruecker
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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 <string.h> /* String function definitions */
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#include "hamlib/rig.h"
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#include "serial.h"
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#include "misc.h"
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#include "register.h"
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#include "rft.h"
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#define BUFSZ 64
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#define CR "\x0d"
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#define EOM CR
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/*
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* rft_transaction
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* We assume that rig!=NULL, rig->state!= NULL, data!=NULL, data_len!=NULL
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*/
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int rft_transaction(RIG *rig, const char *cmd, int cmd_len, char *data,
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int *data_len)
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{
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int retval;
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struct rig_state *rs;
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rs = &rig->state;
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rig_flush(&rs->rigport);
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retval = write_block(&rs->rigport, (unsigned char *) cmd, cmd_len);
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if (retval != RIG_OK)
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{
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return retval;
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}
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/* no data expected, TODO: flush input? */
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if (!data || !data_len)
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{
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return 0;
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}
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retval = read_string(&rs->rigport, (unsigned char *) data, BUFSZ, CR, 1, 0, 1);
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if (retval == -RIG_ETIMEOUT)
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{
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retval = 0;
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}
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if (retval < 0)
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{
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return retval;
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}
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*data_len = retval;
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return RIG_OK;
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}
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/*
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* rft_set_freq
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* Assumes rig!=NULL
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*/
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int rft_set_freq(RIG *rig, vfo_t vfo, freq_t freq)
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{
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char freqbuf[16], ackbuf[16];
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int ack_len, retval;
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/*
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*/
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SNPRINTF(freqbuf, sizeof(freqbuf), "FRQ%f" EOM, (float)freq / 1000);
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retval = rft_transaction(rig, freqbuf, strlen(freqbuf), ackbuf, &ack_len);
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return retval;
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}
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/*
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* initrigs_rft is called by rig_backend_load
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*/
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DECLARE_INITRIG_BACKEND(rft)
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{
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rig_debug(RIG_DEBUG_VERBOSE, "%s: _init called\n", __func__);
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rig_register(&ekd500_caps);
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return RIG_OK;
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}
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