VGA 640x400 fullgraphic monochrome demo program

Dependencies:   vga640x400g mbed

Revision:
0:001deff5fcd5
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Sun Jul 24 11:54:37 2011 +0000
@@ -0,0 +1,69 @@
+/*
+ * 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;
+    }
+ }