main.cpp

00001 /** \file main.cpp
00002  *  \brief mbed Window Dragging demo for TFT-320QVT module with SSD1289 and XPT2046 touchscreen.
00003  *   
00004  *  \copyright GNU Public License, v2. or later
00005  *  Creates a window, which can be dragged within the screen, and can be closed
00006  *  with the standard WIndows-style "x"-button.
00007  *  Window appearance: initial position, size and colors can be changed via defines
00008  *  Window in this demo can not be moved beyond the screen area except of the right side.
00009  *  May require a touchscreen calibration procedure using UTouchCD.h
00010  *
00011  *  Made by Dmitry Shtatnov, SSSR Labs
00012  *  http://modularsynth.ru/
00013  ***************************************************************************************/
00014 
00015 #include "mbed.h"
00016 #include "ssd1289.h"
00017 #include "UTouch.h"
00018 
00019 #define C_WINDOW_BODY       0xCCCCCC
00020 #define C_WINDOW_HIGHLIGHT  0xDDDDDD
00021 #define C_WINDOW_SHADOW     0xBBBBBB
00022 #define C_WINDOW_TITLE_BAR  0x0066DD
00023 
00024 #define WINDOW_WIDTH 150
00025 #define WINDOW_HEIGHT 100
00026 
00027 PortOut LCDPA(PortA,0xFF00);
00028 PortOut LCDPC(PortC,0x00FF);
00029 //                 CS,   REST, RS,   WR,   DATA,      BL, RD
00030 SSD1289_LCD myGLCD(PB_3, PB_4, PB_0, PB_1, &LCDPA, &LCDPC, NC, PB_2);
00031 
00032 UTouch  myTouch(PB_9, PB_8, PB_7, PB_6, PB_5);
00033   long x, y, oldx, oldy, wx = 100, wy = 100;
00034   float p;
00035   uint8_t av_cnt;
00036     int16_t rx, ry, rz1, rz2, pressure;
00037   char xc[10], yc[10], z1c[10], z2c[10], str[15];
00038   bool drag = false;
00039     
00040 bool title(uint16_t xcur, uint16_t ycur, uint16_t xwin, uint16_t ywin) {
00041     if((xcur>xwin+2)&&(xcur<xwin+WINDOW_WIDTH-18)&&(ycur>ywin+2)&&(ycur<ywin+22)) return true;
00042     else return false;
00043 }
00044 
00045 bool close(uint16_t xcur, uint16_t ycur, uint16_t xwin, uint16_t ywin) {
00046     if((xcur>xwin+WINDOW_WIDTH-19)&&(xcur<xwin+WINDOW_WIDTH-1)&&(ycur>ywin+2)&&(ycur<ywin+21)) return true;
00047     else return false;
00048 }
00049 
00050 void drawBox(uint16_t xpos, uint16_t ypos, uint16_t xsize, uint16_t ysize) {
00051     myGLCD.FillRect(xpos,ypos,xpos+xsize-1,ypos+ysize-1,C_WINDOW_BODY);
00052     myGLCD.DrawHLine(xpos,ypos,xsize,C_WINDOW_HIGHLIGHT);
00053     myGLCD.DrawHLine(xpos+1,ypos+ysize-1,xsize-1,C_WINDOW_SHADOW);
00054     myGLCD.DrawVLine(xpos,ypos,ysize,C_WINDOW_HIGHLIGHT);
00055     myGLCD.DrawVLine(xpos+xsize-1,ypos,ysize-1,C_WINDOW_SHADOW);
00056 }    
00057 
00058 void drawWindow(uint16_t xpos, uint16_t ypos, uint16_t xsize, uint16_t ysize) {
00059     drawBox(xpos, ypos, xsize, ysize);
00060     myGLCD.FillRect(xpos+2,ypos+2,xpos+xsize-3,ypos+21,C_WINDOW_TITLE_BAR);
00061     drawBox(xpos+xsize-21,ypos+3,18,18);
00062     myGLCD.DrawLine(xpos+xsize-18,ypos+6,xpos+xsize-7,ypos+17,COLOR_BLACK);
00063     myGLCD.DrawLine(xpos+xsize-18,ypos+17,xpos+xsize-7,ypos+6,COLOR_BLACK);
00064 }
00065 int main() {
00066   myGLCD.Initialize();
00067   myGLCD.SetBackground(COLOR_WHITE);
00068   myGLCD.SetForeground(COLOR_BLACK);
00069   myGLCD.FillScreen(COLOR_WHITE);
00070   
00071   drawWindow(wx,wy,WINDOW_WIDTH,WINDOW_HEIGHT);
00072   
00073   myGLCD.SetFont(&TerminusFont);
00074   myTouch.InitTouch();
00075   myTouch.SetPrecision(PREC_HI);
00076 
00077 while(1==1) {
00078   if (myTouch.DataAvailable() == true)
00079     {
00080       if(myTouch.Read()) {
00081         x = myTouch.GetX();
00082         y = myTouch.GetY();
00083         if((oldx!=x)&&(oldy!=y)) {
00084             if(drag) {
00085                 myGLCD.FillRect(wx, wy, wx+WINDOW_WIDTH-1, wy+WINDOW_HEIGHT-1, COLOR_WHITE);
00086                 wx=wx+x-oldx;
00087                 wy=wy+y-oldy;
00088                 drawWindow(wx,wy,WINDOW_WIDTH,WINDOW_HEIGHT);
00089             }
00090             if(title(x, y, wx, wy)) {
00091                 drag = true;
00092                 }
00093             if(close(x, y, wx, wy)) {
00094                 myGLCD.FillRect(wx, wy, wx+WINDOW_WIDTH-1, wy+WINDOW_HEIGHT-1, COLOR_WHITE);
00095                 wx=320; wy=240;
00096             }
00097             oldx = x;
00098             oldy = y;
00099         }
00100       }
00101     }
00102     else {
00103       drag = false;
00104     }
00105   }
00106 }