Clifford chaotic attractor - uVGAII(SGC) 4DGL version 640x480 pin p9 - rx, pin p10 - tx, pin p11 - rst

Dependencies:   mbed

Files at this revision

API Documentation at this revision

Comitter:
JLS
Date:
Sat Sep 03 14:44:19 2011 +0000
Commit message:

Changed in this revision

main.cpp Show annotated file Show diff for this revision Revisions of this file
mbed.bld Show annotated file Show diff for this revision Revisions of this file
diff -r 000000000000 -r 21ffd53de6c8 main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Sat Sep 03 14:44:19 2011 +0000
@@ -0,0 +1,152 @@
+#include "mbed.h"
+
+Serial _cmd (p9, p10);
+DigitalOut _rst (p11);
+
+void startVGA();
+void baudrate();    
+void cls();
+void pixel(int, int, int);
+int  writeCOM(char *, int);
+
+
+int main() {
+
+    startVGA ();
+  
+    float x = 1;
+    float y = 1;
+  
+    float ix = 0;
+    float iy = 0;
+  
+    float a = -1.4;
+    float b = 1.6;
+    float c = 1;
+    float d = 0.7;
+ 
+ while (1) {
+ 
+    ix = sin(a*y) - c*cos(a*x);
+    iy = sin(b*x) - d*cos(b*y);
+    
+    pixel(375+(180*ix),255+(150*iy),65534);
+   
+    x = ix;
+    y = iy;  
+  
+}
+}
+
+
+void startVGA () {
+
+    _rst = 1;
+    _rst = 0;
+    wait_ms(1);
+    _rst = 1;
+    wait(3);
+
+    while (_cmd.readable()) _cmd.getc();
+    
+    char autobaud[1] = "";
+    autobaud[0] = '\x55';
+    writeCOM(autobaud, 1);
+    
+    baudrate();
+   
+    cls();
+    
+    char dispctr[3]= "";
+    dispctr[0] = '\x59';
+    dispctr[1] = 0x0c;
+    dispctr[2] = 0x01;
+    writeCOM(dispctr, 3);
+
+}
+
+
+void pixel(int x, int y, int color) {
+
+    char pixel[7]= "";
+
+    pixel[0] = '\x50';
+
+    pixel[1] = (x >> 8) & 0xFF;
+    pixel[2] = x & 0xFF;
+
+    pixel[3] = (y >> 8) & 0xFF;
+    pixel[4] = y & 0xFF;
+
+    pixel[5] = (color >> 8) & 0xFF;
+    pixel[6] = color & 0xFF;
+
+    writeCOM(pixel, 7);
+}
+
+
+void baudrate() {
+
+    char baudrate[2]= "";
+    
+    baudrate[0] = '\x51';
+    baudrate[1] = '\x0F';
+
+    int i, resp = 0;
+    
+    while (_cmd.readable()) _cmd.getc();
+    
+    long speed = speed = 281000;
+        
+    for (i = 0; i <2; i++)  _cmd.putc(baudrate[i]);
+    _cmd.baud(speed);                                 
+
+    while (!_cmd.readable()) wait_ms(1);        
+
+    if (_cmd.readable()) resp = _cmd.getc();        
+    switch (resp) {
+        case '\x06' :                                 
+            resp =  1;
+            break;
+        case '\x15' :                                  
+            resp = -1;
+            break;
+        default :
+            resp =  0;
+            break;
+    }
+
+}
+
+
+int writeCOM(char *command, int number) {
+
+    int i, resp = 0;
+    
+    while (_cmd.readable()) _cmd.getc();
+
+    for (i = 0; i < number; i++)  _cmd.putc(command[i]);
+
+    while (!_cmd.readable()) wait_ms(1);   
+    if (_cmd.readable()) resp = _cmd.getc();
+    switch (resp) {
+        case '\x06' :
+            resp =  1;
+            break;
+        case '\x15' :                        
+            resp = -1;  
+            break;
+        default :
+            resp =  0;                             
+            break;
+    }
+
+    return resp;
+}
+
+
+void cls() {
+    char cls[1] = "";
+    cls[0] = '\x45';
+    writeCOM(cls, 1);
+}
diff -r 000000000000 -r 21ffd53de6c8 mbed.bld
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Sat Sep 03 14:44:19 2011 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/e2ac27c8e93e