Vizic Technologies / Mbed 2 deprecated PaintPro_SG2

Paint Pro Demo with stylus drawing - MBED + SmartGPU2 board

Dependencies:   SMARTGPU2 mbed

main.cpp@0:d54096bf4bc6, 2013-07-10 (annotated)

Committer:
emmanuelchio
Date:
Wed Jul 10 03:36:19 2013 +0000
Revision:
0:d54096bf4bc6
Child:
1:9a127bd5a336
Paint Pro Demo - MBED + SmartGPU2 board

Who changed what in which revision?

UserRevisionLine numberNew contents of line
emmanuelchio 0:d54096bf4bc6 1 /**************************************************************************************/
emmanuelchio 0:d54096bf4bc6 2 /*SMARTGPU2 intelligent embedded graphics processor unit
emmanuelchio 0:d54096bf4bc6 3 those examples are for use the SMARTGPU2 with the mbed microcontoller, just connect tx,rx,and reset
emmanuelchio 0:d54096bf4bc6 4 Board:
emmanuelchio 0:d54096bf4bc6 5 http://vizictechnologies.com/#/smart-gpu-2/4577779046
emmanuelchio 0:d54096bf4bc6 6
emmanuelchio 0:d54096bf4bc6 7 www.vizictechnologies.com
emmanuelchio 0:d54096bf4bc6 8 Vizic Technologies copyright 2013 */
emmanuelchio 0:d54096bf4bc6 9 /**************************************************************************************/
emmanuelchio 0:d54096bf4bc6 10
emmanuelchio 0:d54096bf4bc6 11 #include "mbed.h"
emmanuelchio 0:d54096bf4bc6 12 #include "SMARTGPU2.h"
emmanuelchio 0:d54096bf4bc6 13
emmanuelchio 0:d54096bf4bc6 14 SMARTGPU2 lcd(TXPIN,RXPIN,RESETPIN); //create our object called "lcd"
emmanuelchio 0:d54096bf4bc6 15
emmanuelchio 0:d54096bf4bc6 16 char pixelArray[3]; //Array to store the RGB888 pixel obtained with memoryRead()
emmanuelchio 0:d54096bf4bc6 17
emmanuelchio 0:d54096bf4bc6 18 /**************************************************/
emmanuelchio 0:d54096bf4bc6 19 //Funcion to convert a 3 byte array to an int RGB565
emmanuelchio 0:d54096bf4bc6 20 int RGB888ToRGB565(char pixBuffer[]){ //get an array of 3 bytes( red, green, blue), and convert them to RGB565 returned in an int
emmanuelchio 0:d54096bf4bc6 21 unsigned char R,G,B;
emmanuelchio 0:d54096bf4bc6 22 unsigned int col;
emmanuelchio 0:d54096bf4bc6 23 unsigned long colour;
emmanuelchio 0:d54096bf4bc6 24
emmanuelchio 0:d54096bf4bc6 25 R=pixBuffer[0];
emmanuelchio 0:d54096bf4bc6 26 G=pixBuffer[1];
emmanuelchio 0:d54096bf4bc6 27 B=pixBuffer[2];
emmanuelchio 0:d54096bf4bc6 28 ((unsigned char *) &colour)[1]=(R & 0xF8);
emmanuelchio 0:d54096bf4bc6 29 R=G;
emmanuelchio 0:d54096bf4bc6 30 G=G>>5;
emmanuelchio 0:d54096bf4bc6 31 ((unsigned char *) &colour)[1]|=G;
emmanuelchio 0:d54096bf4bc6 32 G=(R<<3)& 0xE0;
emmanuelchio 0:d54096bf4bc6 33 ((unsigned char *) &colour)[0]=B;
emmanuelchio 0:d54096bf4bc6 34 ((unsigned char *) &colour)[0]=((unsigned char *) &colour)[0]>>3;
emmanuelchio 0:d54096bf4bc6 35 ((unsigned char *) &colour)[0]|=G;
emmanuelchio 0:d54096bf4bc6 36 col=colour;
emmanuelchio 0:d54096bf4bc6 37 return col;
emmanuelchio 0:d54096bf4bc6 38 }
emmanuelchio 0:d54096bf4bc6 39
emmanuelchio 0:d54096bf4bc6 40 /***************************************************/
emmanuelchio 0:d54096bf4bc6 41 /***************************************************/
emmanuelchio 0:d54096bf4bc6 42 void initializeSmartGPU2(void){ //Initialize SMARTGPU2 Board
emmanuelchio 0:d54096bf4bc6 43 lcd.reset(); //physically reset SMARTGPU2
emmanuelchio 0:d54096bf4bc6 44 lcd.start(); //initialize the SMARTGPU2 processor
emmanuelchio 0:d54096bf4bc6 45 }
emmanuelchio 0:d54096bf4bc6 46
emmanuelchio 0:d54096bf4bc6 47 /***************************************************/
emmanuelchio 0:d54096bf4bc6 48 /***************************************************/
emmanuelchio 0:d54096bf4bc6 49 /***************************************************/
emmanuelchio 0:d54096bf4bc6 50 /***************************************************/
emmanuelchio 0:d54096bf4bc6 51 int main() {
emmanuelchio 0:d54096bf4bc6 52 POINT point;
emmanuelchio 0:d54096bf4bc6 53 unsigned char penSize=1;
emmanuelchio 0:d54096bf4bc6 54 COLOUR colour = BLACK;
emmanuelchio 0:d54096bf4bc6 55 char pen[4]={'x','0','1',0x00}; //Array that show the current penSize
emmanuelchio 0:d54096bf4bc6 56 NUMBEROFBYTES charsPrinted;
emmanuelchio 0:d54096bf4bc6 57
emmanuelchio 0:d54096bf4bc6 58 initializeSmartGPU2(); //Init communication with SmartGPU2 board
emmanuelchio 0:d54096bf4bc6 59
emmanuelchio 0:d54096bf4bc6 60 lcd.baudChange(BAUD7); //set a fast baud! for fast drawing
emmanuelchio 0:d54096bf4bc6 61
emmanuelchio 0:d54096bf4bc6 62 //Load paint design
emmanuelchio 0:d54096bf4bc6 63 lcd.imageBMPSD(0,0,"paint");
emmanuelchio 0:d54096bf4bc6 64 //strings config
emmanuelchio 0:d54096bf4bc6 65 lcd.setTextColour(GREEN);
emmanuelchio 0:d54096bf4bc6 66 lcd.setTextSize(FONT0);
emmanuelchio 0:d54096bf4bc6 67 lcd.setTextBackFill(FILLED);
emmanuelchio 0:d54096bf4bc6 68 lcd.string(7,54,48,65,"Erase",&charsPrinted); //draw Erase word
emmanuelchio 0:d54096bf4bc6 69 lcd.string(77,54,110,65,pen,&charsPrinted); //draw penSize
emmanuelchio 0:d54096bf4bc6 70
emmanuelchio 0:d54096bf4bc6 71 while(1){ //Start the Paint application
emmanuelchio 0:d54096bf4bc6 72 while(!lcd.touchScreen(&point)); //Wait for a touch on the screen to do something
emmanuelchio 0:d54096bf4bc6 73 //Once we get a touch somewhere on the screen:
emmanuelchio 0:d54096bf4bc6 74 if((point.y-penSize)<67){ //the touch was on the menu
emmanuelchio 0:d54096bf4bc6 75 if(point.x<45){ //touch on erase circle
emmanuelchio 0:d54096bf4bc6 76 lcd.drawRectangle(0,67,319,239,WHITE,FILL); //Draw a white rectangle on drawing area
emmanuelchio 0:d54096bf4bc6 77 }else if(point.x<75){ //touch to select the eraser
emmanuelchio 0:d54096bf4bc6 78 colour=WHITE;
emmanuelchio 0:d54096bf4bc6 79 lcd.drawCircle(25,34,14,colour,FILL); //draw WHITE colour circle on top left corner
emmanuelchio 0:d54096bf4bc6 80 }else if(point.x<108){ //touch to change pen Size
emmanuelchio 0:d54096bf4bc6 81 penSize=penSize*2; //double the penSize
emmanuelchio 0:d54096bf4bc6 82 if(penSize==16){ //maximum pen size = 8, if we reach 16 we set to 1.
emmanuelchio 0:d54096bf4bc6 83 penSize=1;
emmanuelchio 0:d54096bf4bc6 84 }
emmanuelchio 0:d54096bf4bc6 85 pen[1]=(penSize/10)+0x30; //get the tens of penSize and convert them to ascii
emmanuelchio 0:d54096bf4bc6 86 pen[2]=(penSize%10)+0x30; //get the ones of penSize and convert them to ascii
emmanuelchio 0:d54096bf4bc6 87 lcd.string(77,54,110,65,pen,&charsPrinted); //draw penSize
emmanuelchio 0:d54096bf4bc6 88 wait_ms(500); //delay to avoid fast penSize changing
emmanuelchio 0:d54096bf4bc6 89 }else if(point.x<312 & point.y>20 & point.y<59){//touch on the colours bar
emmanuelchio 0:d54096bf4bc6 90 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,
emmanuelchio 0:d54096bf4bc6 91 colour=RGB888ToRGB565(pixelArray);
emmanuelchio 0:d54096bf4bc6 92 lcd.drawCircle(25,34,14,colour,FILL); //draw new selected colour on top left corner
emmanuelchio 0:d54096bf4bc6 93 }
emmanuelchio 0:d54096bf4bc6 94 }else{ //Touch on drawing area
emmanuelchio 0:d54096bf4bc6 95 lcd.drawCircle(point.x,point.y,penSize,colour,FILL); //Draw
emmanuelchio 0:d54096bf4bc6 96 }
emmanuelchio 0:d54096bf4bc6 97 }
emmanuelchio 0:d54096bf4bc6 98 }