Diff: main.cpp

Revision:

9:8917e707fe8e

Parent:

8:9484e01decd9

Child:

10:ca16a309a737

--- a/main.cpp	Thu Jan 14 19:32:42 2016 +0000
+++ b/main.cpp	Wed Jan 20 07:21:30 2016 +0000
@@ -2,6 +2,8 @@
 #include "mbed.h"
 #include "string"
 #include "ILI932x.h"
+#include "DmTouch.h"
+
 
 #include "Arial12x12.h"
 #include "Arial24x23.h"
@@ -30,19 +32,37 @@
     
     p1          GND (L1)
     p40         Vin (L2)
+    p40         LED Backlight (L19)
 */  
 PinName dataBus[]= {p30, p29, p28, p27, p26, p25, p24, p23};
 ILI932x myLCD(BUS_8, dataBus, p15, p17, p16, p14, p20, "myLCD", 240, 320); // Bus 8 bit, bus pin array, CS, RST, DC, WR, RD, name, xpixels, ypixels
 
-char orient=3;
+/* Additional connections to add touch response
+
+    mbed pin    display pin
+    --------    -----------
+    p5          T_MOSI (R11)
+    p6          T_MISO (R13)
+    p7          T_CLK (R9)
+    p8          T_CS (R10)
+    p9          T_IRQ (R14)
+*/
+DmTouch touch(DmTouch::DM_TFT24_104, p5, p6, p7, p8, p9);
+
+char orient=0;
 int x,y;
+uint16_t tx, ty;
+Timer t;
 
 int main()
 {
+    bool down, lastDown;
+    touch.init();
+    t.start();
     myLCD.set_orientation(orient);
     myLCD.set_font((unsigned char*) Arial24x23);
-    myLCD.background(Blue);    // set background to red
-    myLCD.foreground(White);    // set chars to black
+    myLCD.background(Blue);    // set background to Blue
+    myLCD.foreground(White);    // set chars to White
     myLCD.cls();                // clear the screen
     myLCD.locate(10,30);
     myLCD.printf("UniGraphics Demo\r\n");
@@ -110,6 +130,53 @@
         }
         wait(3);
         
+        // Touch screen demo
+        myLCD.background(Blue);    // set background to Blue
+        myLCD.foreground(White);    // set chars to White
+        myLCD.cls();                // clear the screen
+        myLCD.locate(10,30);
+        myLCD.set_font((unsigned char*) Arial24x23);
+        myLCD.printf("DmTouch Demo\r\n");
+        myLCD.set_font((unsigned char*) Arial12x12);
+        myLCD.locate(10,70);
+        myLCD.printf("Coming soon...\r\nTouch screen and coordinates will display\r\n");
+        myLCD.printf("Moves to next portion of demo after 30 seconds\r\n");
+        wait(2);
+        myLCD.background(Black);    // set background to Black
+        myLCD.foreground(White);    // set chars to White
+        myLCD.cls();                // clear the screen
+
+        touch.setOrientation(orient);
+        down = false;
+        lastDown = false;
+        tx = (uint16_t)0;
+        ty = (uint16_t)0;
+        myLCD.locate(20,20);
+        myLCD.printf("x:");
+        myLCD.locate(100, 20);
+        myLCD.printf("y:");
+
+        t.reset();
+        while (t.read()<30) {
+            touch.readTouchData(tx, ty, down);
+            if (down) {
+                myLCD.locate(40, 20);
+                myLCD.printf("%5i", tx);
+                myLCD.locate(120, 20);
+                myLCD.printf("%5i", ty);
+                myLCD.fillcircle(tx, ty, 2, Red);
+            } else if (lastDown) {
+                // no longer pressed, clean text
+                myLCD.locate(40, 20);
+                myLCD.printf("     ", tx);
+                myLCD.locate(120, 20);
+                myLCD.printf("     ", ty);
+            }
+            wait(0.040);
+            lastDown = down;
+          }
+        
+        
     // scroll test, only for TFT
     myLCD.cls();
     myLCD.set_font((unsigned char*) Arial24x23);