Diff: main.cpp

Revision:

0:482b06fffa48

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Wed Sep 14 05:33:20 2011 +0000
@@ -0,0 +1,82 @@
+/**************************************************************************************/
+/*SMARTGPU intelligent embedded graphics processor unit
+ those examples are for use the SMARTGPU with the mbed microcontoller, just connect tx,rx,and reset
+ Board:
+ http://www.vizictechnologies.com/#/desarrollo/4554296549
+ 
+ This example requires pre-loaded content, an image to the micro SD card!
+ 
+ www.vizictechnologies.com 
+ Vizic Technologies copyright 2011 */
+/**************************************************************************************/
+/**************************************************************************************/
+ 
+
+#include "mbed.h"
+#include "SMARTGPU.h"
+
+//Clock definitions
+#define secCol        RED      //seconds hand colour
+#define minCol        BLACK    //minutes hand colour
+#define hourCol       BLACK    //hours hand colour
+#define halfx         160      //this point represent the x center of the clock where math is done
+#define halfy         129      //this point represent the y center of the clock where math is done
+
+SMARTGPU lcd(p13,p14,p15);     //(TX,RX,Reset);
+
+
+int main() { 
+  lcd.reset();                    //physically reset SMARTGPU
+  lcd.start();                    //initialize the SMARTGPU processor
+  
+  int secs=3;
+  int mins=48;
+  int hours=4;
+  int xs,ys,xm,ym,xh,yh;
+  int angleH,angleM,angleS;
+  int handHour=50;//hand size
+  int handMin=57;//hand size
+  int handSec=62;//hand size  
+  
+  lcd.baudChange(1000000);                          //set high baud for fast drawing
+  lcd.imageSD(0,0,"oldClk");                        //draw the clock body
+  
+ while(1){
+  //Do some Math to get the second point of the clock hands. (first point is always the center of the clock)
+  angleS=secs*6;                           //get the current seconds in angle form, a circle have 360 degrees divided by 60 seconds = 6, then we multiply the 6 by the current seconds to get current angle
+  xs=(sin((angleS*3.14)/180)) * handSec;   //get X component of the second's hand
+  ys=(cos((angleS*3.14)/180)) * handSec;   //get Y component of the second's hand
+  angleM=mins*6;                           //get the current minutes in angle form, a circle have 360 degrees divided by 60 minutes = 6, then we multiply the 6 by the current minutes to get current angle
+  xm=(sin((angleM*3.14)/180)) * handMin;   //get X component of the minutes's hand
+  ym=(cos((angleM*3.14)/180)) * handMin;   //get Y component of the minutes's hand 
+  angleH=hours*30;                         //get the current hours in angle form, a circle have 360 degrees divided by 12 hours = 30, then we multiply the 30 by the current hours to get current angle
+  xh=(sin((angleH*3.14)/180)) * handHour;  //get X component of the hours's hand
+  yh=(cos((angleH*3.14)/180)) * handHour;  //get Y component of the hours's hand
+    
+  //Draw current time hands  
+  lcd.drawLine(halfx,halfy,halfx+xm,halfy-ym,minCol);  // Draw the minutes hand, first point is the center of the clock, and the second is the point obtained by doing math
+  lcd.drawLine(halfx,halfy,halfx+xh,halfy-yh,hourCol); // Draw the hours hand, first point is the center of the clock, and the second is the point obtained by doing math
+  lcd.drawLine(halfx,halfy,halfx+xs,halfy-ys,secCol);  // Draw the seconds hand, first point is the center of the clock, and the second is the point obtained by doing math
+  lcd.drawCircle(halfx,halfy,3,secCol,FILL);           // Draw the center of the second's hand
+  
+  wait_ms(1000);                                  // wait for one second delay (we dont need to explain why we're waiting one second, right?)
+
+  secs++;                                         // increase seconds
+  if(secs==60){                                   // if we reach 60 seconds
+    mins++;                                       // increase the minutes
+    if(mins==60){                                 // if we reach 60 minutes
+      hours++;                                    // increase the minutes
+      if(hours==12){                              // if we reach 12 hours
+        hours=0;                                  // clear hours
+      } 
+      mins=0;                                     // clear minutes
+    }            
+    secs=0;                                       // clear seconds
+  }                      
+ 
+  //Erase all hands         
+  lcd.drawLine(halfx,halfy,halfx+xs,halfy-ys,WHITE); // Erase Second's hand
+  lcd.drawLine(halfx,halfy,halfx+xm,halfy-ym,WHITE); // Erase Minute's hand
+  lcd.drawLine(halfx,halfy,halfx+xh,halfy-yh,WHITE); // Erase Hour's hand            
+ }
+}
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