LPC1768 Mini-DK board with 2.8" SPI TFT and SPI touch

Dependencies:   Mini-DK SDFileSystem mbed

Fork of LPC1768_Mini-DK by Frank Vannieuwkerke

Revision:
0:ee7076d8260a
Child:
1:557df792279c
diff -r 000000000000 -r ee7076d8260a main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Tue Dec 11 08:58:06 2012 +0000
@@ -0,0 +1,165 @@
+#include "stdio.h"
+#include "mbed.h"
+#include "SPI_TFT.h"
+#include "string"
+#include "Arial12x12.h"
+#include "Arial24x23.h"
+#include "Arial28x28.h"
+#include "font_big.h"
+#include "Touch.h"
+
+extern unsigned char p1[];  // the mbed logo
+#define RGB565CONVERT(red, green, blue) (uint16_t)( (( red   >> 3 ) << 11 ) | (( green >> 2 ) << 5  ) | ( blue  >> 3 ))
+
+// ADS7843 -> mosi, miso, sclk, cs, irq  -  TFT -> mosi, miso, sclk, cs, reset
+TouchScreenADS7843 TFT(p5 ,p6 ,p7 ,p8 ,P2_13 ,p11, p12, p13, p14, p15,"TFT");
+
+// (To be modified) put these global vars back in Touch.cpp/Touch.h 
+Matrix      matrix;
+Coordinate  display;
+Coordinate  screen;
+
+int main()
+{
+    unsigned char Ads7846_status;
+    unsigned short LCD_id;
+    TFT.claim(stdout);        // send stdout to the TFT display
+    TFT.TP_Init();
+
+    TFT.background(Black);    // set background to black
+    TFT.foreground(White);    // set chars to white
+
+
+    // LCD demo
+    // first show the 4 directions
+    TFT.cls();
+    TFT.set_font((unsigned char*) Arial12x12);
+    TFT.set_orientation(0);
+    TFT.locate(0,0);
+    printf("  Hello Mbed 0");
+    TFT.set_orientation(1);
+    TFT.locate(0,0);
+    printf("  Hello Mbed 1");
+    TFT.set_orientation(2);
+    TFT.locate(0,0);
+    printf("  Hello Mbed 2");
+    TFT.set_orientation(3);
+    TFT.locate(0,0);
+    printf("  Hello Mbed 3");
+    TFT.set_orientation(1);
+    TFT.set_font((unsigned char*) Arial24x23);
+    TFT.locate(50,100);
+    TFT.printf("TFT orientation");
+
+    wait(2);
+
+    // draw some graphics
+    TFT.cls();
+    TFT.set_orientation(1);
+    TFT.set_font((unsigned char*) Arial24x23);
+    TFT.locate(120,115);
+    TFT.printf("Graphic");
+    TFT.line(0,0,100,200,Green);
+    TFT.rect(100,50,150,100,Red);
+    TFT.fillrect(180,25,220,70,Blue);
+    TFT.circle(80,150,33,White);
+    TFT.fillcircle(80,50,33,White);
+
+    wait(2);
+
+    // bigger text
+    TFT.foreground(White);
+    TFT.background(Blue);
+    TFT.cls();
+    TFT.set_font((unsigned char*) Arial24x23);
+    TFT.locate(0,0);
+    TFT.printf("Different Fonts :");
+
+    TFT.set_font((unsigned char*) Neu42x35);
+    TFT.locate(0,50);
+    TFT.printf("Hello");
+    TFT.set_font((unsigned char*) Arial24x23);
+    TFT.locate(50,100);
+    TFT.printf("Hello");
+    TFT.set_font((unsigned char*) Arial12x12);
+    TFT.locate(55,150);
+    TFT.printf("Hello");
+
+    TFT.set_orientation(2);
+    TFT.set_font((unsigned char*) Arial24x23);
+    TFT.locate(10,10);
+    TFT.printf("Hi mbed");
+    wait(2);
+
+    // mbed logo
+    TFT.set_orientation(1);
+    TFT.background(Black);
+    TFT.cls();
+    TFT.Bitmap(90,90,172,55,p1);
+
+    // Read LCD ID
+    TFT.set_orientation(0);
+    LCD_id = TFT.Read_ID();
+    TFT.locate(10,10);
+    TFT.printf("LCD: ILI%04X", LCD_id);
+    wait(2);
+
+    // RGB color wheel demo (cycle through all colors)
+    TFT.cls();
+    TFT.foreground(Yellow);    // set chars to yellow
+    TFT.set_font((unsigned char*) Arial12x12);
+    TFT.locate(10,10);
+    TFT.printf("RGB color wheel (5x)");
+
+    uint8_t r = 255, g = 0,  b = 0, step = 5, i;
+    for (i=0;i<5;i++)
+    {
+        for(;g<255;g+=step) {TFT.fillrect(70,110,170,210,RGB565CONVERT(r, g, b));}      // Cycle from FF0000 to FFFF00 : red to yellow
+        for(;r>0;r-=step)   {TFT.fillrect(70,110,170,210,RGB565CONVERT(r, g, b));}      // Cycle from FFFF00 to 00FF00 : yellow to green
+        for(;b<255;b+=step) {TFT.fillrect(70,110,170,210,RGB565CONVERT(r, g, b));}      // Cycle from 00FF00 to 00FFFF : green to cyan
+        for(;g>0;g-=step)   {TFT.fillrect(70,110,170,210,RGB565CONVERT(r, g, b));}      // Cycle from 00FFFF to 0000FF : cyan to blue
+        for(;r<255;r+=step) {TFT.fillrect(70,110,170,210,RGB565CONVERT(r, g, b));}      // Cycle from 0000FF to FF00FF : blue to purple
+        for(;b>0;b-=step)   {TFT.fillrect(70,110,170,210,RGB565CONVERT(r, g, b));}      // Cycle from FF00FF to FF0000 : purple to red
+    }
+    wait(2);
+
+
+    // Touchpanel demo
+    TFT.TouchPanel_Calibrate(&matrix);
+    TFT.set_font((unsigned char*) Arial12x12);
+    TFT.set_orientation(0);
+    TFT.cls();
+    TFT.locate(0,0);
+    TFT.printf(" X:");
+    TFT.locate(70,0);
+    TFT.printf(" Y:");
+
+    while (1)
+    {
+        if (!TFT._tp_irq)
+        {
+            Ads7846_status = TFT.Read_Ads7846(&screen);
+            if (Ads7846_status)
+            {
+                TFT.getDisplayPoint(&display, &screen, &matrix ) ;
+                TFT.TP_DrawPoint(display.x,display.y, Blue);
+//                TFT.rect(display.x,display.y,display.x+1,display.y+1,Red);
+                TFT.locate(25,0);
+                printf("%03d",display.x);
+                TFT.locate(95,0);
+                printf("%03d",display.y);
+                // Touchscreen area is larger than LCD area.
+                // We use the bottom area outside the LCD area to clear the screen (y value > 320).
+                if (display.y > 320)
+                {
+                    TFT.cls();
+                    TFT.locate(0,0);
+                    TFT.printf(" X:");
+                    TFT.locate(70,0);
+                    TFT.printf(" Y:");
+
+                }
+            }
+        }
+    }
+}