VGA 640x400 fullgraphic monochrome demo program
Dependencies: vga640x400g mbed
main.cpp
- Committer:
- gertk
- Date:
- 2011-07-24
- Revision:
- 0:001deff5fcd5
File content as of revision 0:001deff5fcd5:
/* * 640x400 70Hz fullgraphic monochrome VGA Driver demo program * * Copyright (C) 2011 by Ivo van Poorten <ivop(at)euronet.nl> * and Gert van der Knokke <gertk(at)xs4all.nl> * This file is licensed under the terms of the GNU Lesser * General Public License, version 3. * * Inspired by Simon's (not Ford) Cookbook entry and Cliff Biffle's * assembly code. */ #include "mbed.h" #include "vga640x400g.h" // visual feedback DigitalOut myled(LED1); // define serial port for debug Serial linktopc(USBTX,USBRX); int main() { // init the VGA subsystem (always do this first!) init_vga(); int s,t; // serial port on at 115200 baud linktopc.baud(115200); setbuf(stdout, NULL); // no buffering for this filehandle // clear the screen vga_cls(); // draw some circles for (t=10; t<200; t+=5) vga_circle(20+t,399-t,t,WHITE); // draw some boxes for (t=10; t<100; t+=5) vga_box(400+t,100+t,400+t*2,100+t*2,WHITE); // circumfence the screen vga_box(0,0,639,399,WHITE); // show the complete character set for (s=0; s<4; s++) { for (t=0; t<64; t++) { vga_putchar(20+t*8,20+16*s,t+s*64,WHITE); } } // put a string on screen vga_putstring(400,370,"Hello World!",WHITE); // draw a line vga_line(400,390,500,390,WHITE); // draw a filled box vga_filledbox(450,330,550,360,1); // all done while (1){ wait(1); myled=!myled; } }