Vizic Technologies
Paint Pro Demo with stylus drawing - MBED + SmartGPU2 board
Revision 0:d54096bf4bc6, committed 2013-07-10
- Comitter:
- emmanuelchio
- Date:
- Wed Jul 10 03:36:19 2013 +0000
- Child:
- 1:9a127bd5a336
- Commit message:
- Paint Pro Demo - MBED + SmartGPU2 board
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/SMARTGPU2.lib Wed Jul 10 03:36:19 2013 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/emmanuelchio/code/SMARTGPU2/#210b5ba62803
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Wed Jul 10 03:36:19 2013 +0000
@@ -0,0 +1,98 @@
+/**************************************************************************************/
+/*SMARTGPU2 intelligent embedded graphics processor unit
+ those examples are for use the SMARTGPU2 with the mbed microcontoller, just connect tx,rx,and reset
+ Board:
+ http://vizictechnologies.com/#/smart-gpu-2/4577779046
+
+ www.vizictechnologies.com
+ Vizic Technologies copyright 2013 */
+/**************************************************************************************/
+
+#include "mbed.h"
+#include "SMARTGPU2.h"
+
+SMARTGPU2 lcd(TXPIN,RXPIN,RESETPIN); //create our object called "lcd"
+
+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;
+}
+
+/***************************************************/
+/***************************************************/
+void initializeSmartGPU2(void){ //Initialize SMARTGPU2 Board
+ lcd.reset(); //physically reset SMARTGPU2
+ lcd.start(); //initialize the SMARTGPU2 processor
+}
+
+/***************************************************/
+/***************************************************/
+/***************************************************/
+/***************************************************/
+int main() {
+ POINT point;
+ unsigned char penSize=1;
+ COLOUR colour = BLACK;
+ char pen[4]={'x','0','1',0x00}; //Array that show the current penSize
+ NUMBEROFBYTES charsPrinted;
+
+ initializeSmartGPU2(); //Init communication with SmartGPU2 board
+
+ lcd.baudChange(BAUD7); //set a fast baud! for fast drawing
+
+ //Load paint design
+ lcd.imageBMPSD(0,0,"paint");
+ //strings config
+ lcd.setTextColour(GREEN);
+ lcd.setTextSize(FONT0);
+ lcd.setTextBackFill(FILLED);
+ lcd.string(7,54,48,65,"Erase",&charsPrinted); //draw Erase word
+ lcd.string(77,54,110,65,pen,&charsPrinted); //draw penSize
+
+ while(1){ //Start the Paint application
+ while(!lcd.touchScreen(&point)); //Wait for a touch on the screen to do something
+ //Once we get a touch somewhere on the screen:
+ if((point.y-penSize)<67){ //the touch was on the menu
+ if(point.x<45){ //touch on erase circle
+ lcd.drawRectangle(0,67,319,239,WHITE,FILL); //Draw a white rectangle on drawing area
+ }else if(point.x<75){ //touch to select the eraser
+ colour=WHITE;
+ lcd.drawCircle(25,34,14,colour,FILL); //draw WHITE colour circle on top left corner
+ }else if(point.x<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,pen,&charsPrinted); //draw penSize
+ wait_ms(500); //delay to avoid fast penSize changing
+ }else if(point.x<312 & point.y>20 & point.y<59){//touch on the colours bar
+ lcd.getImageFromMemory(point.x,point.y,point.x,point.y,pixelArray); //assign new colour based on touch coordinates and memory read, this function return a 24 bit pixel array,
+ colour=RGB888ToRGB565(pixelArray);
+ lcd.drawCircle(25,34,14,colour,FILL); //draw new selected colour on top left corner
+ }
+ }else{ //Touch on drawing area
+ lcd.drawCircle(point.x,point.y,penSize,colour,FILL); //Draw
+ }
+ }
+}
\ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Wed Jul 10 03:36:19 2013 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/b3110cd2dd17 \ No newline at end of file