kopia lustrzana https://github.com/Hamlib/Hamlib
141 wiersze
3.4 KiB
C
141 wiersze
3.4 KiB
C
/*
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* Hamlib Uniden backend - main file
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* Copyright (c) 2001,2002 by Stephane Fillod
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*
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* $Id: uniden.c,v 1.3 2001-12-28 20:28:04 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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#include <math.h>
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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 "uniden.h"
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/*
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* Uniden backend: should work for BC895xlt, also for BC235xlt
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* and most probably for the RadioShack PRO-2042, which is RadioShack's
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* version of the Uniden BC235xlt.
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* Protocol information available at http://www.cantonmaine.com/pro2052.htm
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*
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* It seems like this rig has no VFO, I mean only mem channels.
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* Is that correct? --SF
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*/
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#define EOM "\r"
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/*
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* uniden_transaction
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* We assume that rig!=NULL, rig->state!= NULL, data!=NULL, data_len!=NULL
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* Otherwise, you'll get a nice seg fault. You've been warned!
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*/
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int uniden_transaction(RIG *rig, const char *cmd, int cmd_len, char *data, int *data_len)
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{
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int i, count, retval;
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struct rig_state *rs;
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rs = &rig->state;
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retval = write_block(&rs->rigport, cmd, cmd_len);
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if (retval != RIG_OK)
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return retval;
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/* no data expected, TODO: flush input? */
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if (!data || !data_len)
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return 0;
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/*
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* buffered read are quite helpful here!
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* However, an automate with a state model would be more efficient..
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*
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* FIXME: should read until CR or LF?
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*/
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i = 0;
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do {
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count = fread_block(&rs->rigport, data+i, 1);
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if (count > 0)
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i += count;
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else if (count < 0)
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return count;
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} while (count > 0);
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*data_len = i;
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return RIG_OK;
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}
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/*
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* uniden_set_freq
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* Assumes rig!=NULL
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*/
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int uniden_set_freq(RIG *rig, vfo_t vfo, freq_t freq)
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{
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char freqbuf[16];
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int freq_len;
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/* max 8 digits */
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if (freq >= GHz(1))
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return -RIG_EINVAL;
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/* exactly 8 digits */
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freq_len = sprintf(freqbuf, "RF%08Ld" EOM, freq);
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return uniden_transaction (rig, freqbuf, freq_len, NULL, NULL);
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}
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/*
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* uniden_set_mem
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* Assumes rig!=NULL
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*/
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int uniden_set_mem(RIG *rig, vfo_t vfo, int ch)
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{
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char cmdbuf[16];
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int cmd_len;
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cmd_len = sprintf(cmdbuf, "MA%03d" EOM, ch);
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return uniden_transaction (rig, cmdbuf, cmd_len, NULL, NULL);
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}
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/*
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* initrigs_uniden is called by rig_backend_load
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*/
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int initrigs_uniden(void *be_handle)
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{
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rig_debug(RIG_DEBUG_VERBOSE, "uniden: _init called\n");
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rig_register(&bc895_caps);
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return RIG_OK;
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}
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