/* $Id$ * $URL$ * * ST2205U-driven hacked picture frame driver. * See http://picframe.spritesserver.nl/ for more info. * * Copyright (C) 2008 Jeroen Domburg * Modified from sample code by: * Copyright (C) 2005 Michael Reinelt * Copyright (C) 2005, 2006, 2007 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 fuctions: * * struct DRIVER drv_st2205 * */ #include "config.h" #include #include #include #include #include #include #include "debug.h" #include "cfg.h" #include "qprintf.h" #include "udelay.h" #include "plugin.h" #include "widget.h" #include "widget_text.h" #include "widget_icon.h" #include "widget_bar.h" #include "drv.h" #include "drv_generic_graphic.h" static char Name[] = "st2205"; /* libst2205 handle */ static st2205_handle *h; /* Display data */ static unsigned char *fb; static int drv_st2205_open(const char *section) { char *dev; dev = cfg_get(section, "Port", NULL); if (dev == NULL || *dev == '\0') { error("st2205: no '%s.Port' entry from %s", section, cfg_source()); return -1; } h = st2205_open(dev); if (h == NULL) { error("st2205: cannot open st2205 device %s", dev); return -1; } return 0; } static int drv_st2205_close(void) { st2205_close(h); return 0; } static void drv_st2205_blit(const int row, const int col, const int height, const int width) { int r, c; RGBA p; for (r = row; r < row + height; r++) { for (c = col; c < col + width; c++) { p = drv_generic_graphic_rgb(r, c); fb[(r * h->width + c) * 3 + 0] = p.R; fb[(r * h->width + c) * 3 + 1] = p.G; fb[(r * h->width + c) * 3 + 2] = p.B; } } st2205_send_data(h, fb); } /* start graphic display */ static int drv_st2205_start2(const char *section) { char *s; s = cfg_get(section, "Font", "6x8"); if (s == NULL || *s == '\0') { error("%s: no '%s.Font' entry from %s", Name, section, cfg_source()); return -1; } XRES = -1; YRES = -1; if (sscanf(s, "%dx%d", &XRES, &YRES) != 2 || XRES < 1 || YRES < 1) { error("%s: bad Font '%s' from %s", Name, s, cfg_source()); return -1; } /* Fixme: provider other fonts someday... */ if (XRES != 6 && YRES != 8) { error("%s: bad Font '%s' from %s (only 6x8 at the moment)", Name, s, cfg_source()); return -1; } /* open communication with the display */ if (drv_st2205_open(section) < 0) { return -1; } /* you surely want to allocate a framebuffer or something... */ fb = malloc(h->height * h->width * 3); /* set width/height from st2205 firmware specs */ DROWS = h->width; DCOLS = h->height; return 0; } /****************************************/ /*** plugins ***/ /****************************************/ static void plugin_backlight(RESULT * result, RESULT * arg1) { int bl_on; bl_on = (R2N(arg1) == 0 ? 0 : 1); st2205_backlight(h, bl_on); SetResult(&result, R_NUMBER, &bl_on); } /****************************************/ /*** widget callbacks ***/ /****************************************/ /* using drv_generic_text_draw(W) */ /* using drv_generic_text_icon_draw(W) */ /* using drv_generic_text_bar_draw(W) */ /* using drv_generic_gpio_draw(W) */ /****************************************/ /*** exported functions ***/ /****************************************/ /* list models */ int drv_st2205_list(void) { printf("generic hacked photo frame"); return 0; } /* initialize driver & display */ int drv_st2205_init2(const char *section, const int quiet) { int ret; /* real worker functions */ drv_generic_graphic_real_blit = drv_st2205_blit; /* start display */ if ((ret = drv_st2205_start2(section)) != 0) return ret; /* initialize generic graphic driver */ if ((ret = drv_generic_graphic_init(section, Name)) != 0) return ret; if (!quiet) { char buffer[40]; qprintf(buffer, sizeof(buffer), "%s %dx%d", Name, DCOLS, DROWS); if (drv_generic_graphic_greet(buffer, NULL)) { sleep(3); drv_generic_graphic_clear(); } } /* register plugins */ AddFunction("LCD::backlight", 1, plugin_backlight); return 0; } /* close driver & display */ int drv_st2205_quit2(const int quiet) { info("%s: shutting down.", Name); /* clear display */ drv_generic_graphic_clear(); /* say goodbye... */ if (!quiet) { drv_generic_graphic_greet("goodbye!", NULL); } drv_generic_graphic_quit(); debug("closing connection"); drv_st2205_close(); return (0); } DRIVER drv_st2205 = { .name = Name, .list = drv_st2205_list, .init = drv_st2205_init2, .quit = drv_st2205_quit2, }; 92'>92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 
/* $Id: plugin_seti.c,v 1.2 2004/03/13 19:06:01 reinelt Exp $
 *
 * plugin for seti@home status reporting
 *
 * Copyright 2004 Michael Reinelt <reinelt@eunet.at>
 * Copyright 2004 The LCD4Linux Team <lcd4linux-devel@users.sourceforge.net>
 *
 * based on the old seti client which is 
 * Copyright 2001 Axel Ehnert <axel@ehnert.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_seti.c,v $
 * Revision 1.2  2004/03/13 19:06:01  reinelt
 * ChangeLog and Status update; small glitch in plugin_seti fixed.
 *
 * Revision 1.1  2004/03/13 06:49:20  reinelt
 * seti@home plugin ported to NextGeneration
 *
 */

/* 
 * exported functions:
 *
 * int plugin_init_seti (void)
 *  adds functions to access /seti/state.sah
 *
 */


#include "config.h"

#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <ctype.h>
#include <errno.h>

#include "debug.h"
#include "plugin.h"
#include "hash.h"
#include "cfg.h"

#define SECTION   "Plugin:Seti"
#define DIRKEY    "Directory"
#define STATEFILE "state.sah"

static HASH SETI = { 0, };
static int fatal = 0;

static int parse_seti (void)
{
  static char fn[256] = "";
  FILE *stream;
  int age;
  
  // if a fatal error occured, do nothing
  if (fatal != 0) return -1;
  
  // reread every 100 msec only
  age=hash_age(&SETI, NULL, NULL);
  if (age>0 && age<=100) return 0;
  
  if (fn[0] == '\0') {
    char *dir = cfg_get (SECTION, DIRKEY, NULL);
    if (dir == NULL || *dir == '\0') {
      error ("no '%s.%s' entry from %s\n", SECTION, DIRKEY, cfg_source());
      fatal = 1;
      return -1;
    }
    if (strlen(dir) > sizeof(fn)-sizeof(STATEFILE)-2) {
      error ("entry '%s.%s' too long from %s!\n", SECTION, DIRKEY, cfg_source());
      fatal = 1;
      free (dir);
      return -1;
    }
    strcpy (fn, dir);
    if (fn[strlen(fn)-1]!='/')
      strcat (fn, "/");
    strcat (fn, STATEFILE);
    free (dir);
  }
  
  stream = fopen(fn, "r");
  if (stream == NULL) {
    error ("fopen(%s) failed: %s", fn, strerror(errno));
    return -1;
  }
  
  while (!feof(stream)) {
    char buffer[256];
    char *c, *key, *val;
    fgets (buffer, sizeof(buffer), stream);
    c=strchr(buffer, '=');
    if (c==NULL) continue;
    key=buffer; val=c+1;
    // strip leading blanks from key
    while (isspace(*key)) *key++='\0';
    // strip trailing blanks from key
    do *c='\0'; while (isspace(*--c));
    // strip leading blanks from value
    while (isspace(*val)) *val++='\0';
    // strip trailing blanks from value
    for (c=val; *c!='\0';c++);
    while (isspace(*--c)) *c='\0';
    // add entry to hash table
    hash_set (&SETI, key, val);
  }
  
  fclose (stream);
  
  return 0;
} 


static void my_seti (RESULT *result, RESULT *arg1)
{
  char *key, *val;
  
  if (parse_seti()<0) {
    SetResult(&result, R_STRING, ""); 
    return;
  }
  
  key=R2S(arg1);
  val=hash_get(&SETI, key);
  if (val==NULL) val="";
  
  SetResult(&result, R_STRING, val); 
}


int plugin_init_seti (void)
{
  AddFunction ("seti", 1, my_seti);
  return 0;
}


void plugin_exit_seti(void) 
{
  hash_destroy(&SETI);
}
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