LPC1768 Mini-DK board with 2.8" SPI TFT and SPI touch
Dependencies: Mini-DK SDFileSystem mbed
Fork of LPC1768_Mini-DK by
main.cpp@1:557df792279c, 2012-12-12 (annotated)
- Committer:
- frankvnk
- Date:
- Wed Dec 12 12:42:22 2012 +0000
- Revision:
- 1:557df792279c
- Parent:
- 0:ee7076d8260a
- Child:
- 2:d0acbd263ec7
Replaced circle and fillcircle with draw_ellipse and fill_ellipse
; Modified rect and fillrect: use wirdth and height parameters instead of x1,y1
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
frankvnk | 0:ee7076d8260a | 1 | #include "stdio.h" |
frankvnk | 0:ee7076d8260a | 2 | #include "mbed.h" |
frankvnk | 0:ee7076d8260a | 3 | #include "SPI_TFT.h" |
frankvnk | 0:ee7076d8260a | 4 | #include "string" |
frankvnk | 0:ee7076d8260a | 5 | #include "Arial12x12.h" |
frankvnk | 0:ee7076d8260a | 6 | #include "Arial24x23.h" |
frankvnk | 0:ee7076d8260a | 7 | #include "Arial28x28.h" |
frankvnk | 0:ee7076d8260a | 8 | #include "font_big.h" |
frankvnk | 0:ee7076d8260a | 9 | #include "Touch.h" |
frankvnk | 0:ee7076d8260a | 10 | |
frankvnk | 0:ee7076d8260a | 11 | extern unsigned char p1[]; // the mbed logo |
frankvnk | 0:ee7076d8260a | 12 | #define RGB565CONVERT(red, green, blue) (uint16_t)( (( red >> 3 ) << 11 ) | (( green >> 2 ) << 5 ) | ( blue >> 3 )) |
frankvnk | 0:ee7076d8260a | 13 | |
frankvnk | 0:ee7076d8260a | 14 | // ADS7843 -> mosi, miso, sclk, cs, irq - TFT -> mosi, miso, sclk, cs, reset |
frankvnk | 0:ee7076d8260a | 15 | TouchScreenADS7843 TFT(p5 ,p6 ,p7 ,p8 ,P2_13 ,p11, p12, p13, p14, p15,"TFT"); |
frankvnk | 0:ee7076d8260a | 16 | |
frankvnk | 0:ee7076d8260a | 17 | // (To be modified) put these global vars back in Touch.cpp/Touch.h |
frankvnk | 0:ee7076d8260a | 18 | Matrix matrix; |
frankvnk | 0:ee7076d8260a | 19 | Coordinate display; |
frankvnk | 0:ee7076d8260a | 20 | Coordinate screen; |
frankvnk | 0:ee7076d8260a | 21 | |
frankvnk | 0:ee7076d8260a | 22 | int main() |
frankvnk | 0:ee7076d8260a | 23 | { |
frankvnk | 0:ee7076d8260a | 24 | unsigned char Ads7846_status; |
frankvnk | 0:ee7076d8260a | 25 | unsigned short LCD_id; |
frankvnk | 0:ee7076d8260a | 26 | TFT.claim(stdout); // send stdout to the TFT display |
frankvnk | 0:ee7076d8260a | 27 | TFT.TP_Init(); |
frankvnk | 0:ee7076d8260a | 28 | |
frankvnk | 0:ee7076d8260a | 29 | TFT.background(Black); // set background to black |
frankvnk | 0:ee7076d8260a | 30 | TFT.foreground(White); // set chars to white |
frankvnk | 0:ee7076d8260a | 31 | |
frankvnk | 0:ee7076d8260a | 32 | |
frankvnk | 0:ee7076d8260a | 33 | // LCD demo |
frankvnk | 0:ee7076d8260a | 34 | // first show the 4 directions |
frankvnk | 0:ee7076d8260a | 35 | TFT.cls(); |
frankvnk | 0:ee7076d8260a | 36 | TFT.set_font((unsigned char*) Arial12x12); |
frankvnk | 0:ee7076d8260a | 37 | TFT.set_orientation(0); |
frankvnk | 0:ee7076d8260a | 38 | TFT.locate(0,0); |
frankvnk | 0:ee7076d8260a | 39 | printf(" Hello Mbed 0"); |
frankvnk | 0:ee7076d8260a | 40 | TFT.set_orientation(1); |
frankvnk | 0:ee7076d8260a | 41 | TFT.locate(0,0); |
frankvnk | 0:ee7076d8260a | 42 | printf(" Hello Mbed 1"); |
frankvnk | 0:ee7076d8260a | 43 | TFT.set_orientation(2); |
frankvnk | 0:ee7076d8260a | 44 | TFT.locate(0,0); |
frankvnk | 0:ee7076d8260a | 45 | printf(" Hello Mbed 2"); |
frankvnk | 0:ee7076d8260a | 46 | TFT.set_orientation(3); |
frankvnk | 0:ee7076d8260a | 47 | TFT.locate(0,0); |
frankvnk | 0:ee7076d8260a | 48 | printf(" Hello Mbed 3"); |
frankvnk | 0:ee7076d8260a | 49 | TFT.set_orientation(1); |
frankvnk | 0:ee7076d8260a | 50 | TFT.set_font((unsigned char*) Arial24x23); |
frankvnk | 0:ee7076d8260a | 51 | TFT.locate(50,100); |
frankvnk | 0:ee7076d8260a | 52 | TFT.printf("TFT orientation"); |
frankvnk | 0:ee7076d8260a | 53 | |
frankvnk | 0:ee7076d8260a | 54 | wait(2); |
frankvnk | 0:ee7076d8260a | 55 | |
frankvnk | 0:ee7076d8260a | 56 | // draw some graphics |
frankvnk | 0:ee7076d8260a | 57 | TFT.cls(); |
frankvnk | 0:ee7076d8260a | 58 | TFT.set_orientation(1); |
frankvnk | 0:ee7076d8260a | 59 | TFT.set_font((unsigned char*) Arial24x23); |
frankvnk | 0:ee7076d8260a | 60 | TFT.locate(120,115); |
frankvnk | 0:ee7076d8260a | 61 | TFT.printf("Graphic"); |
frankvnk | 0:ee7076d8260a | 62 | TFT.line(0,0,100,200,Green); |
frankvnk | 1:557df792279c | 63 | TFT.rect(100,50,50,50,Red); |
frankvnk | 1:557df792279c | 64 | TFT.fillrect(180,25,40,45,Blue); |
frankvnk | 1:557df792279c | 65 | TFT.draw_ellipse(80, 150, 33, 33, White); |
frankvnk | 1:557df792279c | 66 | TFT.fill_ellipse(80, 50, 33, 33, White); |
frankvnk | 0:ee7076d8260a | 67 | |
frankvnk | 0:ee7076d8260a | 68 | wait(2); |
frankvnk | 0:ee7076d8260a | 69 | |
frankvnk | 0:ee7076d8260a | 70 | // bigger text |
frankvnk | 0:ee7076d8260a | 71 | TFT.foreground(White); |
frankvnk | 0:ee7076d8260a | 72 | TFT.background(Blue); |
frankvnk | 0:ee7076d8260a | 73 | TFT.cls(); |
frankvnk | 0:ee7076d8260a | 74 | TFT.set_font((unsigned char*) Arial24x23); |
frankvnk | 0:ee7076d8260a | 75 | TFT.locate(0,0); |
frankvnk | 0:ee7076d8260a | 76 | TFT.printf("Different Fonts :"); |
frankvnk | 0:ee7076d8260a | 77 | |
frankvnk | 0:ee7076d8260a | 78 | TFT.set_font((unsigned char*) Neu42x35); |
frankvnk | 0:ee7076d8260a | 79 | TFT.locate(0,50); |
frankvnk | 0:ee7076d8260a | 80 | TFT.printf("Hello"); |
frankvnk | 0:ee7076d8260a | 81 | TFT.set_font((unsigned char*) Arial24x23); |
frankvnk | 0:ee7076d8260a | 82 | TFT.locate(50,100); |
frankvnk | 0:ee7076d8260a | 83 | TFT.printf("Hello"); |
frankvnk | 0:ee7076d8260a | 84 | TFT.set_font((unsigned char*) Arial12x12); |
frankvnk | 0:ee7076d8260a | 85 | TFT.locate(55,150); |
frankvnk | 0:ee7076d8260a | 86 | TFT.printf("Hello"); |
frankvnk | 0:ee7076d8260a | 87 | |
frankvnk | 0:ee7076d8260a | 88 | TFT.set_orientation(2); |
frankvnk | 0:ee7076d8260a | 89 | TFT.set_font((unsigned char*) Arial24x23); |
frankvnk | 0:ee7076d8260a | 90 | TFT.locate(10,10); |
frankvnk | 0:ee7076d8260a | 91 | TFT.printf("Hi mbed"); |
frankvnk | 0:ee7076d8260a | 92 | wait(2); |
frankvnk | 0:ee7076d8260a | 93 | |
frankvnk | 0:ee7076d8260a | 94 | // mbed logo |
frankvnk | 0:ee7076d8260a | 95 | TFT.set_orientation(1); |
frankvnk | 0:ee7076d8260a | 96 | TFT.background(Black); |
frankvnk | 0:ee7076d8260a | 97 | TFT.cls(); |
frankvnk | 0:ee7076d8260a | 98 | TFT.Bitmap(90,90,172,55,p1); |
frankvnk | 0:ee7076d8260a | 99 | |
frankvnk | 0:ee7076d8260a | 100 | // Read LCD ID |
frankvnk | 0:ee7076d8260a | 101 | TFT.set_orientation(0); |
frankvnk | 0:ee7076d8260a | 102 | LCD_id = TFT.Read_ID(); |
frankvnk | 0:ee7076d8260a | 103 | TFT.locate(10,10); |
frankvnk | 0:ee7076d8260a | 104 | TFT.printf("LCD: ILI%04X", LCD_id); |
frankvnk | 0:ee7076d8260a | 105 | wait(2); |
frankvnk | 0:ee7076d8260a | 106 | |
frankvnk | 0:ee7076d8260a | 107 | // RGB color wheel demo (cycle through all colors) |
frankvnk | 0:ee7076d8260a | 108 | TFT.cls(); |
frankvnk | 0:ee7076d8260a | 109 | TFT.foreground(Yellow); // set chars to yellow |
frankvnk | 0:ee7076d8260a | 110 | TFT.set_font((unsigned char*) Arial12x12); |
frankvnk | 0:ee7076d8260a | 111 | TFT.locate(10,10); |
frankvnk | 0:ee7076d8260a | 112 | TFT.printf("RGB color wheel (5x)"); |
frankvnk | 0:ee7076d8260a | 113 | |
frankvnk | 0:ee7076d8260a | 114 | uint8_t r = 255, g = 0, b = 0, step = 5, i; |
frankvnk | 0:ee7076d8260a | 115 | for (i=0;i<5;i++) |
frankvnk | 0:ee7076d8260a | 116 | { |
frankvnk | 1:557df792279c | 117 | for(;g<255;g+=step) {TFT.fillrect(70,110,100,100,RGB565CONVERT(r, g, b));} // Cycle from FF0000 to FFFF00 : red to yellow |
frankvnk | 1:557df792279c | 118 | for(;r>0;r-=step) {TFT.fillrect(70,110,100,100,RGB565CONVERT(r, g, b));} // Cycle from FFFF00 to 00FF00 : yellow to green |
frankvnk | 1:557df792279c | 119 | for(;b<255;b+=step) {TFT.fillrect(70,110,100,100,RGB565CONVERT(r, g, b));} // Cycle from 00FF00 to 00FFFF : green to cyan |
frankvnk | 1:557df792279c | 120 | for(;g>0;g-=step) {TFT.fillrect(70,110,100,100,RGB565CONVERT(r, g, b));} // Cycle from 00FFFF to 0000FF : cyan to blue |
frankvnk | 1:557df792279c | 121 | for(;r<255;r+=step) {TFT.fillrect(70,110,100,100,RGB565CONVERT(r, g, b));} // Cycle from 0000FF to FF00FF : blue to purple |
frankvnk | 1:557df792279c | 122 | for(;b>0;b-=step) {TFT.fillrect(70,110,100,100,RGB565CONVERT(r, g, b));} // Cycle from FF00FF to FF0000 : purple to red |
frankvnk | 0:ee7076d8260a | 123 | } |
frankvnk | 0:ee7076d8260a | 124 | wait(2); |
frankvnk | 0:ee7076d8260a | 125 | |
frankvnk | 0:ee7076d8260a | 126 | |
frankvnk | 0:ee7076d8260a | 127 | // Touchpanel demo |
frankvnk | 0:ee7076d8260a | 128 | TFT.TouchPanel_Calibrate(&matrix); |
frankvnk | 0:ee7076d8260a | 129 | TFT.set_font((unsigned char*) Arial12x12); |
frankvnk | 0:ee7076d8260a | 130 | TFT.set_orientation(0); |
frankvnk | 0:ee7076d8260a | 131 | TFT.cls(); |
frankvnk | 0:ee7076d8260a | 132 | TFT.locate(0,0); |
frankvnk | 0:ee7076d8260a | 133 | TFT.printf(" X:"); |
frankvnk | 0:ee7076d8260a | 134 | TFT.locate(70,0); |
frankvnk | 0:ee7076d8260a | 135 | TFT.printf(" Y:"); |
frankvnk | 0:ee7076d8260a | 136 | |
frankvnk | 0:ee7076d8260a | 137 | while (1) |
frankvnk | 0:ee7076d8260a | 138 | { |
frankvnk | 0:ee7076d8260a | 139 | if (!TFT._tp_irq) |
frankvnk | 0:ee7076d8260a | 140 | { |
frankvnk | 0:ee7076d8260a | 141 | Ads7846_status = TFT.Read_Ads7846(&screen); |
frankvnk | 0:ee7076d8260a | 142 | if (Ads7846_status) |
frankvnk | 0:ee7076d8260a | 143 | { |
frankvnk | 0:ee7076d8260a | 144 | TFT.getDisplayPoint(&display, &screen, &matrix ) ; |
frankvnk | 0:ee7076d8260a | 145 | TFT.TP_DrawPoint(display.x,display.y, Blue); |
frankvnk | 1:557df792279c | 146 | // TFT.rect(display.x,display.y,1,1,Red); |
frankvnk | 0:ee7076d8260a | 147 | TFT.locate(25,0); |
frankvnk | 0:ee7076d8260a | 148 | printf("%03d",display.x); |
frankvnk | 0:ee7076d8260a | 149 | TFT.locate(95,0); |
frankvnk | 0:ee7076d8260a | 150 | printf("%03d",display.y); |
frankvnk | 0:ee7076d8260a | 151 | // Touchscreen area is larger than LCD area. |
frankvnk | 0:ee7076d8260a | 152 | // We use the bottom area outside the LCD area to clear the screen (y value > 320). |
frankvnk | 0:ee7076d8260a | 153 | if (display.y > 320) |
frankvnk | 0:ee7076d8260a | 154 | { |
frankvnk | 0:ee7076d8260a | 155 | TFT.cls(); |
frankvnk | 0:ee7076d8260a | 156 | TFT.locate(0,0); |
frankvnk | 0:ee7076d8260a | 157 | TFT.printf(" X:"); |
frankvnk | 0:ee7076d8260a | 158 | TFT.locate(70,0); |
frankvnk | 0:ee7076d8260a | 159 | TFT.printf(" Y:"); |
frankvnk | 0:ee7076d8260a | 160 | |
frankvnk | 0:ee7076d8260a | 161 | } |
frankvnk | 0:ee7076d8260a | 162 | } |
frankvnk | 0:ee7076d8260a | 163 | } |
frankvnk | 0:ee7076d8260a | 164 | } |
frankvnk | 0:ee7076d8260a | 165 | } |