LPC1768 Mini-DK board with 2.8" SPI TFT and SPI touch
Dependencies: Mini-DK SDFileSystem mbed
Fork of LPC1768_Mini-DK by
Diff: main.cpp
- 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:"); + + } + } + } + } +}