SMARTGPU professional paint application! Be sure to load the image to the micro SD card first!

Dependencies:   SMARTGPU mbed

Files at this revision

API Documentation at this revision

Comitter:
emmanuelchio
Date:
Wed Sep 14 05:34:45 2011 +0000
Commit message:
Rev 1.0

Changed in this revision

SMARTGPU.lib Show annotated file Show diff for this revision Revisions of this file
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
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SMARTGPU.lib	Wed Sep 14 05:34:45 2011 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/emmanuelchio/code/SMARTGPU/#8da93960a86b
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Wed Sep 14 05:34:45 2011 +0000
@@ -0,0 +1,93 @@
+/**************************************************************************************/
+/*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"
+
+SMARTGPU lcd(p13,p14,p15);     //(TX,RX,Reset);
+
+//Each time we use the touchscreen we must define a int array that stores the X and Y readed or touched coordinates.
+int touch[2];
+//Each time we use the touchicon we must define a char array that stores the name of the touched icon.
+char icon[3];
+
+char pixelArray[3];                     //Array to store the RGB888 pixel obtained with memoryRead()
+
+
+/**************************************************/
+//Funcion to convert a 3 byte array to an int RGB565
+int RGB888ToRGB565(char pixBuffer[]){   //get an array of 3 bytes( red, green, blue), and convert them to RGB565 returned in an int
+  unsigned char R,G,B;
+  unsigned int col;
+  unsigned long colour;
+  
+  R=pixBuffer[0];
+  G=pixBuffer[1];
+  B=pixBuffer[2]; 
+  ((unsigned char *) &colour)[1]=(R & 0xF8);
+  R=G;
+  G=G>>5;
+  ((unsigned char *) &colour)[1]|=G;
+  G=(R<<3)& 0xE0;
+  ((unsigned char *) &colour)[0]=B;
+  ((unsigned char *) &colour)[0]=((unsigned char *) &colour)[0]>>3;  
+  ((unsigned char *) &colour)[0]|=G;
+  col=colour;
+  return col;
+}
+
+
+int main() { 
+  lcd.reset();                    //physically reset SMARTGPU
+  lcd.start();                    //initialize the SMARTGPU processor
+
+  unsigned char penSize=1;
+  int colPaint=BLACK;
+  char pen[4]={'x','0','1',0x00};         //Array that show the current penSize
+        
+  lcd.baudChange(2000000);   // Set a fast baud!, always that we use touch functions is recommended to use fast baud rates
+  
+  //Load paint design
+  lcd.imageSD(0,0,"paint");    
+  lcd.string(7,54,48,65,GREEN,FONT1,FILL,"Erase");    //draw Erase word
+  lcd.string(77,54,110,65,GREEN,FONT1,FILL,pen);      //draw penSize 
+ 
+  while(1){   //Start the Paint application
+  
+    while(!lcd.touchScreen(touch));                   //Wait for a touch on the screen to do something      
+    //Once we get a touch somewhere on the screen:
+    if((touch[YCOORD]-penSize)<67){                   //the touch was on the menu
+      if(touch[XCOORD]<45){                           //touch on erase circle
+        lcd.drawRectangle(0,67,319,239,WHITE,1);      //Draw a white rectangle on drawing area
+      }else if(touch[XCOORD]<75){                     //touch to select the eraser
+        colPaint=WHITE;
+        lcd.drawCircle(25,34,14,colPaint,FILL);       //draw WHITE colour circle on top left corner           
+      }else if(touch[XCOORD]<108){                    //touch to change pen Size 
+        penSize=penSize*2;                            //double the penSize
+        if(penSize==16){                              //maximum pen size = 8, if we reach 16 we set to 1.
+          penSize=1;
+        }          
+        pen[1]=(penSize/10)+0x30;                     //get the tens of penSize and convert them to ascii
+        pen[2]=(penSize%10)+0x30;                     //get the ones of penSize and convert them to ascii
+        lcd.string(77,54,110,65,GREEN,FONT1,FILL,pen);//draw penSize 
+        wait_ms(500);                                 //delay to avoid fast penSize changing            
+      }else if(touch[XCOORD]<312 & touch[YCOORD]>20 & touch[YCOORD]<59){                     //touch on the colours bar                  
+        lcd.memoryRead(touch[XCOORD],touch[YCOORD],touch[XCOORD],touch[YCOORD],pixelArray);  //assign new colour based on touch coordinates and memory read, this function return a 24 bit pixel array, 
+        colPaint=RGB888ToRGB565(pixelArray);
+        lcd.drawCircle(25,34,14,colPaint,FILL);                                              //draw new selected colour on top left corner           
+      }                
+    }else{                                            //Touch on drawing area
+      lcd.drawCircle(touch[XCOORD],touch[YCOORD],penSize,colPaint,FILL);                    //Draw
+    }
+  }
+}
\ No newline at end of file
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Wed Sep 14 05:34:45 2011 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/63bcd7ba4912