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KL25Z driving an ILI9320 LCD board with touch panel (HY28A-LCDB SPI)
Dependencies: SPI_TFT_ILI9320 mbed
main.cpp
- Committer:
- frankvnk
- Date:
- 2014-11-04
- Revision:
- 3:cb2172c95bf1
- Parent:
- 1:76f92f6b3737
File content as of revision 3:cb2172c95bf1:
/* 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() { Matrix matrix; Coordinate ScreenSample[3]; 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); // Display calibration values TP.GetCalibration(&matrix, &ScreenSample[0]); TFT.cls(); TFT.locate(0,20); // read calibration results printf("Read calibration results.\n"); printf("matrix.An = %d\n", matrix.An); printf("matrix.Bn = %d\n", matrix.Bn); printf("matrix.Cn = %d\n", matrix.Cn); printf("matrix.Dn = %d\n", matrix.Dn); printf("matrix.En = %d\n", matrix.En); printf("matrix.Fn = %d\n", matrix.Fn); printf("matrix.Di = %d\n", matrix.Divider); for (i=0;i<3;i++) printf("sample x[%d] = %d\nsample y[%d] = %d\n", i, ScreenSample[i].x, i, ScreenSample[i].y); // Write calibration results printf("\nWrite calibration results...\n"); TP.SetCalibration(&matrix, &ScreenSample[0]); printf("Done.\nTouch panel to read again.\n"); while(TP._tp_irq); // read calibration results TFT.cls(); TFT.locate(0,20); printf("Calibration results.\n\n"); printf("matrix.An = %d\n", matrix.An); printf("matrix.Bn = %d\n", matrix.Bn); printf("matrix.Cn = %d\n", matrix.Cn); printf("matrix.Dn = %d\n", matrix.Dn); printf("matrix.En = %d\n", matrix.En); printf("matrix.Fn = %d\n", matrix.Fn); printf("matrix.Di = %d\n", matrix.Divider); for (i=0;i<3;i++) printf("sample x[%d] = %d\nsample y[%d] = %d\n", i, ScreenSample[i].x, i, ScreenSample[i].y); 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:"); } } } } }