KL25Z driving an ILI9320 LCD board with touch panel (HY28A-LCDB SPI)
Dependencies: SPI_TFT_ILI9320 mbed
Diff: main.cpp
- Revision:
- 0:ff976ad09b2f
- Child:
- 1:76f92f6b3737
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Tue Mar 18 19:36:05 2014 +0000 @@ -0,0 +1,164 @@ +/* +KL25Z - ILI9320 SPI demo: +Display some text and graphics, followed by a simple paint demo. +*/ + +#include "stdio.h" +#include "mbed.h" +#include "SPI_TFT_ILI9320.h" +#include "Touch.h" +#include "Arial12x12.h" +#include "Arial24x23.h" +#include "Arial28x28.h" +#include "font_big.h" + +extern unsigned char p1[]; // the mbed logo +#define RGB565CONVERT(red, green, blue) (uint16_t)( (( red >> 3 ) << 11 ) | (( green >> 2 ) << 5 ) | ( blue >> 3 )) + +// TFT -> mosi, miso, sclk, cs +SPI_TFT TFT(PTD3, PTD2, PTD1, PTD0,"TFT"); + +// ADS7843 -> mosi, miso, sclk, cs, irq, SPI_TFT +TouchScreenADS7843 TP(PTD6 ,PTD7 ,PTD5 ,PTD4 ,PTA13, &TFT); + +int main() +{ + unsigned short LCD_id; + TFT.claim(stdout); // send stdout to the TFT display + // Disable stdout buffering, allows us to omit \n with printf. + // More info at http://www.cplusplus.com/reference/cstdio/setvbuf/ + setvbuf ( stdout , NULL , _IONBF , NULL ); + + 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); + printf("TFT orientation"); + wait(2); + + // draw some graphics + TFT.cls(); + TFT.set_orientation(1); + TFT.set_font((unsigned char*) Arial24x23); + TFT.locate(120,115); + 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); + printf("Different Fonts :"); + + TFT.set_font((unsigned char*) Neu42x35); + TFT.locate(0,50); + printf("Hello"); + TFT.set_font((unsigned char*) Arial24x23); + TFT.locate(50,100); + printf("Hello"); + TFT.set_font((unsigned char*) Arial12x12); + TFT.locate(55,150); + printf("Hello"); + + TFT.set_orientation(2); + TFT.set_font((unsigned char*) Arial24x23); + TFT.locate(10,10); + 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); + 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); + printf("RGB color wheel (2x)"); + + uint8_t r = 255, g = 0, b = 0, step = 5, 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); + printf(" X:"); + TFT.locate(70,0); + printf(" Y:"); + while (1) + { + if (!TP._tp_irq) + { + if (TP.Read_Ads7843()) + { + TP.getDisplayPoint() ; + TP.TP_DrawPoint(TP.display.x,TP.display.y, Blue); + TFT.locate(25,0); + printf("%03d",TP.display.x); + TFT.locate(95,0); + 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); + printf(" X:"); + TFT.locate(70,0); + printf(" Y:"); + } + } + } + } +} +