105 lines
2.6 KiB
C
105 lines
2.6 KiB
C
/* This is the LCDproc driver for LIRC infrared devices (http://www.lirc.org)
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Copyright (C) 2000, Harald Klein
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2002, Rene Wagner
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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any later version.
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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 General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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*/
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#include <stdlib.h>
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#include <fcntl.h>
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#include <lirc/lirc_client.h>
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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 "lcd.h"
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#include "lircin.h"
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#include "report.h"
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char *progname = "lircin";
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static int fd;
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static struct lirc_config *config;
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MODULE_EXPORT char *api_version = API_VERSION;
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MODULE_EXPORT int stay_in_foreground = 0;
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MODULE_EXPORT int supports_multiple = 0;
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MODULE_EXPORT char *symbol_prefix = "lircin_";
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/***********************************************************
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* init() should set up any device-specific stuff, and
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* point all the function pointers.
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*/
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MODULE_EXPORT int
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lircin_init (Driver *drvthis, char *args)
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{
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/* open socket to lirc */
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if (-1 == (fd = lirc_init ("lcdd", LIRCIN_VERBOSELY))) {
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report( RPT_ERR, "lirc: Could not connect to lircd." );
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return -1;
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}
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if (0 != lirc_readconfig (NULL, &config, NULL)) {
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lirc_deinit ();
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report( RPT_ERR, "lirc: lirc_readconfig() failed." );
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return -1;
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}
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fcntl (fd, F_SETFL, O_NONBLOCK);
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fcntl (fd, F_SETFD, FD_CLOEXEC);
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/* socket shouldn block lcdd */
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fcntl (fd, F_SETFL, O_NONBLOCK);
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fcntl (fd, F_SETFD, FD_CLOEXEC);
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return 0;
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}
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/*********************************************************************
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* Closes the device
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*/
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MODULE_EXPORT void
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lircin_close (Driver *drvthis)
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{
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lirc_freeconfig (config);
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lirc_deinit ();
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}
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/*********************************************************************
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* Tries to read a character from an input device...
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*
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* Return NULL for "nothing available".
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*/
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MODULE_EXPORT char *
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lircin_get_key (Driver *drvthis)
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{
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char *code=NULL, *cmd=NULL;
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if ( (lirc_nextcode(&code)==0) && (code!=NULL) ) {
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if ( (lirc_code2char(config,code,&cmd)==0) && (cmd!=NULL) ) {
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report (RPT_DEBUG, "lirc: \"%s\"", cmd);
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}
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free (code);
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}
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return cmd;
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}
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