/* $Id$ * $URL$ * * generic driver helper for GPO's * * Copyright (C) 2005 Michael Reinelt * Copyright (C) 2005 The LCD4Linux Team * * This file is part of LCD4Linux. * * LCD4Linux is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2, or (at your option) * any later version. * * LCD4Linux is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * */ /* * * exported variables: * * extern int GPIS, GPOS; number of Inputs and Outputs * * * these functions must be implemented by the real driver: * * int (*drv_generic_gpio_real_set) (const int num, const int val); * sets GPO num to val, returns the actal value * * int (*drv_generic_gpio_real_get) (const int num); * reads GPI num * * * exported fuctions: * * int drv_generic_gpio_init(const char *section, const char *driver) * initializes the generic GPIO driver * * int drv_generic_gpio_clear(void); * resets all GPO's * * int drv_generic_gpio_get (const int num) * returns value og GPI #num * * int drv_generic_gpio_draw(WIDGET * W) * 'draws' GPO widget * calls drv_generic_gpio_real_set() * * int drv_generic_gpio_quit(void) * closes the generic GPIO driver * */ #include "config.h" #include #include "debug.h" #include "plugin.h" #include "widget.h" #include "widget_gpo.h" #include "drv_generic_gpio.h" #ifdef WITH_DMALLOC #include #endif #define MAX_GPIS 32 #define MAX_GPOS 32 static char *Section = NULL; static char *Driver = NULL; static int GPI[MAX_GPIS]; static int GPO[MAX_GPOS]; int GPOS = 0; int GPIS = 0; int (*drv_generic_gpio_real_set) () = NULL; int (*drv_generic_gpio_real_get) () = NULL; static void drv_generic_gpio_plugin_gpi(RESULT * result, RESULT * arg1) { int num; double val; num = R2N(arg1); if (num <= 0 || num > GPIS) { error("%s::GPI(%d): GPI out of range (1..%d)", Driver, num, GPIS); SetResult(&result, R_STRING, ""); return; } val = drv_generic_gpio_get(num - 1); SetResult(&result, R_NUMBER, &val); } static void drv_generic_gpio_plugin_gpo(RESULT * result, const int argc, RESULT * argv[]) { int num, val; double gpo; switch (argc) { case 1: num = R2N(argv[0]); if (num <= 0 || num > GPOS) { error("%s::GPO(%d): GPO out of range (1..%d)", Driver, num, GPOS); SetResult(&result, R_STRING, ""); return; } gpo = GPO[num - 1]; SetResult(&result, R_NUMBER, &gpo); break; case 2: num = R2N(argv[0]); val = R2N(argv[1]); if (num <= 0 || num > GPOS) { error("%s::GPO(%d): GPO out of range (1..%d)", Driver, num, GPOS); SetResult(&result, R_STRING, ""); return; } if (GPO[num - 1] != val) { if (drv_generic_gpio_real_set) GPO[num - 1] = drv_generic_gpio_real_set(num - 1, val); } gpo = GPO[num - 1]; SetResult(&result, R_NUMBER, &gpo); break; default: error("%s::GPO(): wrong number of parameters", Driver); SetResult(&result, R_STRING, ""); } } int drv_generic_gpio_init(const char *section, const char *driver) { WIDGET_CLASS wc; Section = (char *) section; Driver = (char *) driver; info("%s: using %d GPI's and %d GPO's", Driver, GPIS, GPOS); /* reset all GPO's */ drv_generic_gpio_clear(); /* register gpo widget */ wc = Widget_GPO; wc.draw = drv_generic_gpio_draw; widget_register(&wc); /* register plugins */ AddFunction("LCD::GPI", 1, drv_generic_gpio_plugin_gpi); AddFunction("LCD::GPO", -1, drv_generic_gpio_plugin_gpo); return 0; } int drv_generic_gpio_clear(void) { int i; /* clear GPI buffer */ for (i = 0; i < MAX_GPIS; i++) { GPI[i] = 0; } /* clear GPO buffer */ for (i = 0; i < MAX_GPOS; i++) { GPO[i] = 0; } /* really clear GPO's */ for (i = 0; i < GPOS; i++) { if (drv_generic_gpio_real_set) GPO[i] = drv_generic_gpio_real_set(i, 0); } return 0; } int drv_generic_gpio_get(const int num) { int val = 0; if (num < 0 || num >= GPIS) { error("%s: gpio_get(%d): GPI out of range (0..%d)", Driver, num + 1, GPIS); return -1; } if (drv_generic_gpio_real_get) val = drv_generic_gpio_real_get(num); GPI[num] = val; return val; } int drv_generic_gpio_draw(WIDGET * W) { WIDGET_GPO *gpo = W->data; int num, val; num = W->row; val = P2N(&gpo->expression); if (num < 0 || num >= GPOS) { error("%s: gpio_draw(%d): GPO out of range (0..%d)", Driver, num + 1, GPOS); return -1; } if (GPO[num] != val) { if (drv_generic_gpio_real_set) GPO[num] = drv_generic_gpio_real_set(num, val); } return 0; } int drv_generic_gpio_quit(void) { info("%s: shutting down GPIO driver.", Driver); drv_generic_gpio_clear(); return 0; } f='#n89'>89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 
/* $Id: plugin_uname.c,v 1.5 2005/01/18 06:30:23 reinelt Exp $
 *
 * plugin for uname() syscall
 *
 * Copyright (C) 2003 Michael Reinelt <reinelt@eunet.at>
 * Copyright (C) 2004 The LCD4Linux Team <lcd4linux-devel@users.sourceforge.net>
 *
 * This file is part of LCD4Linux.
 *
 * LCD4Linux is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2, or (at your option)
 * any later version.
 *
 * LCD4Linux is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 *
 * $Log: plugin_uname.c,v $
 * Revision 1.5  2005/01/18 06:30:23  reinelt
 * added (C) to all copyright statements
 *
 * Revision 1.4  2005/01/09 10:53:24  reinelt
 * small type in plugin_uname fixed
 * new homepage lcd4linux.bulix.org
 *
 * Revision 1.3  2004/03/03 03:47:04  reinelt
 * big patch from Martin Hejl:
 * - use qprintf() where appropriate
 * - save CPU cycles on gettimeofday()
 * - add quit() functions to free allocated memory
 * - fixed lots of memory leaks
 *
 * Revision 1.2  2004/01/29 04:40:02  reinelt
 * every .c file includes "config.h" now
 *
 * Revision 1.1  2004/01/14 11:33:00  reinelt
 * new plugin 'uname' which does what it's called
 * text widget nearly finished
 * first results displayed on MatrixOrbital
 *
 */

/* 
 * exported functions:
 *
 * int plugin_init_uname (void)
 *  adds uname() functions
 *
 */


#include "config.h"

#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <sys/utsname.h>

#include "debug.h"
#include "plugin.h"



static void my_uname (RESULT *result, RESULT *arg1)
{
  struct utsname utsbuf;
  char *key, *value;
  
  key=R2S(arg1);
  
  if (uname(&utsbuf)!=0) {
    error("uname() failed: %s", strerror(errno));
    SetResult(&result, R_STRING, ""); 
    return;
  }

  if (strcasecmp(key, "sysname")==0) {
    value=utsbuf.sysname;
  } else if  (strcasecmp(key, "nodename")==0) {
    value=utsbuf.nodename;
  } else if  (strcasecmp(key, "release")==0) {
    value=utsbuf.release;
  } else if  (strcasecmp(key, "version")==0) {
    value=utsbuf.version;
  } else if  (strcasecmp(key, "machine")==0) {
    value=utsbuf.machine;
#ifdef _GNU_SOURCE
  } else if  (strcasecmp(key, "domainname")==0) {
    value=utsbuf.domainname;
#endif
  } else {
    error("uname: unknown field '%s'", key);
    value="";
  }

  SetResult(&result, R_STRING, value); 
}


int plugin_init_uname (void)
{
  AddFunction ("uname",   1, my_uname);
  return 0;
}

void plugin_exit_uname(void) 
{
}