osmocom-bb/src/target/firmware/fb/fb_dummy.c

71 lines
1.6 KiB
C

/*
"hardware" driver for a dummy framebuffer. Used when no
display hardware is supported
*/
/* (C) 2010 by Christian Vogel <vogelchr@vogel.cx>
*
* All Rights Reserved
*
* This program 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 of the License, or
* (at your option) any later version.
*
* This program 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
*/
#include <fb/framebuffer.h>
#include <defines.h>
static void
fb_dummy_init(){
}
static void
fb_dummy_clear(){
}
static void
fb_dummy_boxto(uint16_t x,uint16_t y){
framebuffer->cursor_x = x;
framebuffer->cursor_y = y;
}
static void
fb_dummy_lineto(uint16_t x,uint16_t y){
framebuffer->cursor_x = x;
framebuffer->cursor_y = y;
}
static int
fb_dummy_putstr(__unused char *c, __unused int maxwidth){
return 0;
}
static void
fb_dummy_flush(){
}
struct framebuffer fb_dummy_framebuffer = {
.name = "dummyfb",
.init = fb_dummy_init,
.clear = fb_dummy_clear,
.boxto = fb_dummy_boxto,
.lineto = fb_dummy_lineto,
.putstr = fb_dummy_putstr,
.flush = fb_dummy_flush,
.width = 128,
.height = 64
};
struct framebuffer *framebuffer = & fb_dummy_framebuffer;