/* $Id: drv.c,v 1.2 2004/01/10 10:20:22 reinelt Exp $ * * new framework for display drivers * * Copyright 1999-2003 Michael Reinelt * Copyright 2004 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. * * * $Log: drv.c,v $ * Revision 1.2 2004/01/10 10:20:22 reinelt * new MatrixOrbital changes * * Revision 1.1 2004/01/09 17:03:07 reinelt * initiated transfer to new driver architecture * new file 'drv.c' will someday replace 'display.c' * new file 'drv_MatrixOrbital.c' will replace 'MatrixOrbital.c' * due to this 'soft' transfer lcd4linux should stay usable during the switch * (at least I hope so) * */ /* * exported functions: * * drv_list (void) * lists all available drivers to stdout * * drv_init (char *driver) * initializes the named driver * * drv_query (int *rows, int *cols, int *xres, int *yres, int *bars, int *gpos) * queries the attributes of the selected driver * * drv_clear () * clears the display * * int drv_put (int row, int col, char *text) * writes text at row, col * * int drv_bar (int type, int row, int col, int max, int len1, int len2) * draws a specified bar at row, col with len * * int drv_icon (int num, int seq, int row, int col) * draws icon #num sequence #seq at row, col * * int drv_gpo (int num, int val) * sets GPO #num to val * * int drv_flush (void) * flushes the framebuffer to the display * * int drv_quit (void) * de-initializes the driver */ #include "config.h" #include #include #include #include "debug.h" #include "cfg.h" #include "drv.h" extern DRIVER drv_BeckmannEgle; extern DRIVER drv_Crystalfontz; extern DRIVER drv_Cwlinux; extern DRIVER drv_HD44780; extern DRIVER drv_M50530; extern DRIVER drv_T6963; extern DRIVER drv_USBDRIVER; extern DRIVER drv_MatrixOrbital; extern DRIVER drv_MilfordInstruments; extern DRIVER drv_PalmPilot; extern DRIVER drv_Raster; extern DRIVER drv_XWindow; extern DRIVER drv_Text; // output file for Raster driver // has to be defined here because it's referenced // even if the raster driver is not included! char *output=NULL; DRIVER *Driver[] = { #ifdef WITH_MATRIXORBITAL &drv_MatrixOrbital, #endif /* Fixme #ifdef WITH_BECKMANNEGLE &BeckmannEgle, #endif #ifdef WITH_CRYSTALFONTZ &Crystalfontz, #endif #ifdef WITH_CWLINUX &Cwlinux, #endif #ifdef WITH_HD44780 &HD44780, #endif #ifdef WITH_M50530 &M50530, #endif #ifdef WITH_T6963 &T6963, #endif #ifdef WITH_USBLCD &USBLCD, #endif #ifdef WITH_MATRIXORBITAL &MatrixOrbital, #endif #ifdef WITH_MILINST &MilfordInstruments, #endif #ifdef WITH_PALMPILOT &PalmPilot, #endif #if defined (WITH_PNG) || defined(WITH_PPM) &Raster, #endif #ifdef WITH_X11 &XWindow, #endif #ifdef WITH_TEXT &Text, #endif */ NULL, }; static DRIVER *Drv = NULL; int drv_list (void) { int i; printf ("available display drivers:"); for (i=0; Driver[i]; i++) { printf ("\n %-20s: ", Driver[i]->name); if (Driver[i]->list) Driver[i]->list(); } printf ("\n"); return 0; } int drv_init (char *section, char *driver) { int i; for (i=0; Driver[i]; i++) { if (strcmp (Driver[i]->name, driver)==0) { Drv=Driver[i]; if (Drv->init==NULL) return 0; return Drv->init(section); } } error ("drv_init(%s) failed: no such driver", driver); return -1; } int drv_quit (void) { if (Drv->quit==NULL) return 0; return Drv->quit(); } 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420