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/*
Copyright (C) 2012, Aaron Lindsay <aaron@aclindsay.com>
This file is part of Aedrix.
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 <font.h>
#include <framebuffer.h>
#define CONSOLE_BUFFER_SIZE 16384
char console_buffer[CONSOLE_BUFFER_SIZE];
char console_output_buffer[CONSOLE_BUFFER_SIZE];
char *console_buffer_p = console_buffer;
struct fb *console_framebuffer = 0;
struct font *console_font = 0;
unsigned int chars_per_line = 0, lines = 0;
void console_char_to_fb(char c, unsigned int x, unsigned int y) {
unsigned int cx, cy, bit = 0;
char *font_char = &console_font->data[console_font->bytes_per_char * (c - console_font->ascii_offset)];
for (cy = 0; cy < console_font->height; cy++) {
for (cx = 0; cx < console_font->width; cx++) {
unsigned char on = font_char[bit / 8] & (1 << (bit % 8));
if (on)
fb_write_pixel(console_framebuffer, x + cx, y + cy, 0xff, 0xff, 0xff);
else
fb_write_pixel(console_framebuffer, x + cx, y + cy, 0x00, 0x00, 0x00);
bit++;
}
}
}
void console_refresh_fb() {
if (!console_framebuffer)
return;
}
void console_clear() {
int i;
for (i = 0; i < CONSOLE_BUFFER_SIZE; i++) {
console_buffer[i] = 0;
}
}
void console_init(struct fb *f) {
console_clear();
console_refresh_fb();
console_font = font_get();
console_framebuffer = f;
chars_per_line = console_framebuffer->width / console_font->width;
lines = console_framebuffer->height / console_font->height;
console_char_to_fb('A', 100, 100);
console_char_to_fb('E', 111, 100);
console_char_to_fb('D', 122, 100);
console_char_to_fb('R', 133, 100);
console_char_to_fb('I', 144, 100);
console_char_to_fb('X', 155, 100);
}
void console_putc(char c) {
*console_buffer_p = c;
if (++console_buffer_p > console_buffer + CONSOLE_BUFFER_SIZE)
console_buffer_p = console_buffer;
}