Diff: main.cpp

Revision:

0:60aeb7163b27

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Sat Sep 03 14:11:03 2011 +0000
@@ -0,0 +1,195 @@
+#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);
+void DisplayState(int*,int, int);
+
+
+int main() {
+
+    startVGA ();
+
+  int iteration = 480;
+  int lenght = 640;
+
+  int rules[8] = {1,1,1,0,1,0,0,1};
+
+  int row = 0;
+  
+  int i,j,k;
+  int state[lenght];
+  int newstate[lenght];
+  
+    while(1) {
+     
+     for (i=0;i<lenght;i++)
+  
+      state[i]= int (rand()%2);
+
+   for (i=0;i<iteration;i++) {
+
+      for (j=0;j<lenght;j++)
+         newstate[j] = 0;
+
+      for (j=0;j<lenght;j++) {
+         k = 4*state[(j-1+lenght)%lenght] + 2*state[j] + state[(j+1)%lenght];
+         newstate[j] = rules[k];
+      }
+
+      for (j=0;j<lenght;j++)
+         state[j] = newstate[j];
+
+      DisplayState(state,lenght,row);
+      
+      row = row + 1;
+      
+      if (row == 480) {
+      
+      row = 0;
+      
+      }
+
+   }
+
+    }
+}
+
+
+void DisplayState(int s[],int len, int row)
+{
+   int i;
+
+   for (i=0;i<len;i++) {
+      if (s[i] == 1){
+        
+        pixel (i,row,65534);
+        
+       }
+         
+      else{
+       
+       pixel (i,row,0);
+       
+        }
+        
+      }
+      
+}
+
+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);
+}
\ No newline at end of file