Diff: main.cpp

Revision:

9:3e117b89c705

Child:

10:d07f76421408

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Fri Jan 04 14:08:03 2013 +0000
@@ -0,0 +1,155 @@
+#include "stdio.h"
+#include "mbed.h"
+#include "Mini_DK.h"
+//#include "string"
+
+extern unsigned char p1[];  // the mbed logo
+#define RGB565CONVERT(red, green, blue) (uint16_t)( (( red   >> 3 ) << 11 ) | (( green >> 2 ) << 5  ) | ( blue  >> 3 ))
+
+DigitalOut led(DK_LED1);
+// TFT -> mosi, miso, sclk, cs
+SPI_TFT TFT(LCD_SDI, LCD_SDO, LCD_SCK, LCD_CS,"TFT");
+// ADS7843 -> mosi, miso, sclk, cs, irq, SPI_TFT
+TouchScreenADS7843 TP(TP_SDI ,TP_SDO ,TP_SCK ,TP_CS ,TP_IRQ, &TFT);
+
+int main()
+{
+    unsigned short LCD_id;
+    TFT.claim(stdout);        // send stdout to the TFT display
+
+    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);
+    TFT.printf("  Hello Mbed 0");
+    TFT.set_orientation(1);
+    TFT.locate(0,0);
+    TFT.printf("  Hello Mbed 1");
+    TFT.set_orientation(2);
+    TFT.locate(0,0);
+    TFT.printf("  Hello Mbed 2");
+    TFT.set_orientation(3);
+    TFT.locate(0,0);
+    TFT.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(100,50,50,50,Red);
+    TFT.fillrect(180,25,40,45,Blue);
+    TFT.draw_ellipse(80, 150, 33, 33, White);
+    TFT.fill_ellipse(80, 50, 33, 33, White);
+    wait(2);
+    TFT.cls();
+    TFT.draw_ellipse(160, 120, 100, 50, Yellow);
+    TFT.draw_ellipse(160, 120, 100, 100, Blue);
+    TFT.fill_ellipse(160, 120, 80, 40, Green);
+    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 (2x)");
+
+    uint8_t r = 255, g = 0,  b = 0, step = 1, i;
+    for (i=0;i<2;i++)
+    {
+        for(;g<255;g+=step) {TFT.fillrect(70,110,100,100,RGB565CONVERT(r, g, b));}      // Cycle from FF0000 to FFFF00 : red to yellow
+        for(;r>0;r-=step)   {TFT.fillrect(70,110,100,100,RGB565CONVERT(r, g, b));}      // Cycle from FFFF00 to 00FF00 : yellow to green
+        for(;b<255;b+=step) {TFT.fillrect(70,110,100,100,RGB565CONVERT(r, g, b));}      // Cycle from 00FF00 to 00FFFF : green to cyan
+        for(;g>0;g-=step)   {TFT.fillrect(70,110,100,100,RGB565CONVERT(r, g, b));}      // Cycle from 00FFFF to 0000FF : cyan to blue
+        for(;r<255;r+=step) {TFT.fillrect(70,110,100,100,RGB565CONVERT(r, g, b));}      // Cycle from 0000FF to FF00FF : blue to purple
+        for(;b>0;b-=step)   {TFT.fillrect(70,110,100,100,RGB565CONVERT(r, g, b));}      // Cycle from FF00FF to FF0000 : purple to red
+    }
+    wait(2);
+
+
+    // Touchpanel demo
+    TP.TouchPanel_Calibrate();
+    TFT.set_font((unsigned char*) Arial12x12);
+    TFT.set_orientation(0);
+    TFT.locate(0,0);
+    TFT.printf(" X:");
+    TFT.locate(70,0);
+    TFT.printf(" Y:");
+    while (1)
+    {
+        if (!TP._tp_irq)
+        {
+            if (TP.Read_Ads7846())
+            {
+                TP.getDisplayPoint() ;
+                TP.TP_DrawPoint(TP.display.x,TP.display.y, Blue);
+                TFT.locate(25,0);
+                TFT.printf("%03d",TP.display.x);
+                TFT.locate(95,0);
+                TFT.printf("%03d",TP.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 (TP.display.y > 320)
+                {
+                    TFT.cls();
+                    TFT.locate(0,0);
+                    TFT.printf(" X:");
+                    TFT.locate(70,0);
+                    TFT.printf(" Y:");
+                }
+            }
+        }
+    }
+}