main.cpp

00001 // example to test the TFT Display from banggood.com
00002 // Thanks to the GraphicsDisplay and TextDisplay classes
00003 // test.bmp has to be on the mbed file system
00004 // and on the sd-card
00005 
00006 #include "stdio.h"
00007 #include "mbed.h"
00008 #include "SPI_TFT_ILI9341.h"
00009 #include "string"
00010 #include "Arial12x12.h"
00011 #include "Arial24x23.h"
00012 #include "Arial28x28.h"
00013 #include "font_big.h"
00014 #include "SDFileSystem.h"
00015  
00016 // the SD-connector is connected to SPI pin 11-13 
00017 //SDFileSystem sd(p11, p12, p13, p14, "sd"); // mosi,miso,sck,cs
00018 SDFileSystem sd(PTD2, PTD3, PTD1, PTA4, "sd"); // mosi,miso,sck,cs
00019 
00020 // FRDM-KL25Z doesn't have external flash
00021 //LocalFileSystem local("local");               // Create the local filesystem under the name "local"
00022 
00023 //extern unsigned char p1[];  // the mbed logo graphic
00024 
00025 // the display has a backlight switch on board 
00026 //DigitalOut LCD_LED(p21);       
00027 
00028 // the TFT is connected to SPI pin 5-7
00029 //SPI_TFT_ILI9341 TFT(p5, p6, p7, p8, p9, p10,"TFT"); // mosi, miso, sclk, cs, reset, dc
00030 SPI_TFT_ILI9341 TFT(PTD2, PTD3, PTD1, PTD5, PTD0, PTD7,"TFT"); // mosi, miso, sclk, cs, reset, dc
00031 
00032 int main()
00033 {
00034     int i;
00035     //LCD_LED = 1;            // backlite on
00036    
00037     TFT.claim(stdout);        // send stdout to the TFT display
00038     TFT.set_orientation(1);
00039     TFT.background(Black);    // set background to black
00040     TFT.foreground(White);    // set chars to white
00041     TFT.cls();                // clear the screen
00042 
00043     //first show the 4 directions
00044     TFT.set_orientation(0);
00045     TFT.background(Black);
00046     TFT.cls();
00047 
00048     TFT.set_font((unsigned char*) Arial12x12);
00049     TFT.locate(0,0);
00050     printf("  Hello Mbed 0");
00051     TFT.set_orientation(1);
00052     TFT.locate(0,0);
00053     printf("  Hello Mbed 1");
00054     TFT.set_orientation(2);
00055     TFT.locate(0,0);
00056     printf("  Hello Mbed 2");
00057     TFT.set_orientation(3);
00058     TFT.locate(0,0);
00059     printf("  Hello Mbed 3");
00060     TFT.set_orientation(1);
00061     TFT.set_font((unsigned char*) Arial24x23);
00062     TFT.locate(50,100);
00063     TFT.printf("TFT orientation");
00064 
00065     wait(5);        // wait two seconds
00066 
00067     // draw some graphics
00068     TFT.cls();
00069     TFT.set_font((unsigned char*) Arial24x23);
00070     TFT.locate(100,100);
00071     TFT.printf("Graphic");
00072 
00073     TFT.line(0,0,100,0,Green);
00074     TFT.line(0,0,0,200,Green);
00075     TFT.line(0,0,100,200,Green);
00076 
00077     TFT.rect(100,50,150,100,Red);
00078     TFT.fillrect(180,25,220,70,Blue);
00079 
00080     TFT.circle(80,150,33,White);
00081     TFT.fillcircle(160,190,20,Yellow);
00082 
00083     double s;
00084 
00085     for (i=0; i<320; i++) {
00086         s =20 * sin((long double) i / 10 );
00087         TFT.pixel(i,100 + (int)s ,Red);
00088     }
00089 
00090  
00091     wait(5);        // wait two seconds
00092 
00093     // bigger text
00094     TFT.foreground(White);
00095     TFT.background(Blue);
00096     TFT.cls();
00097     TFT.set_font((unsigned char*) Arial24x23);
00098     TFT.locate(0,0);
00099     TFT.printf("Different Fonts :");
00100 
00101     TFT.set_font((unsigned char*) Neu42x35);
00102     TFT.locate(10,30);
00103     TFT.printf("Hello Mbed 1");
00104     TFT.set_font((unsigned char*) Arial24x23);
00105     TFT.locate(20,80);
00106     TFT.printf("Hello Mbed 2");
00107     TFT.set_font((unsigned char*) Arial12x12);
00108     TFT.locate(35,120);
00109     TFT.printf("Hello Mbed 3");
00110     wait(5);
00111 
00112     TFT.background(Black);
00113     TFT.cls();
00114     //TFT.locate(10,10);
00115     //TFT.printf("Graphic from Flash");
00116     
00117     // mbed logo
00118     // defined in graphics.c
00119     //__align(4)
00120     //unsigned char p1[18920] = {
00121     //0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, ....
00122     // 
00123     //TFT.Bitmap(90,90,172,55,p1);
00124 
00125     //wait(5);
00126     //TFT.cls();
00127     
00128     // to compare the speed of the internal file system and a SD-card
00129 /*    TFT.locate(10,10);
00130     TFT.printf("Graphic from internal File System");
00131     TFT.locate(10,20);
00132     TFT.printf("open test.bmp");
00133     int err = TFT.BMP_16(1,50,"/local/test.bmp");
00134     if (err != 1) TFT.printf(" - Err: %d",err);
00135 */    
00136     TFT.locate(10,110);
00137     TFT.printf("Graphic from external SD-card");
00138     TFT.locate(10,120);
00139     int err = TFT.BMP_16(0,0,"/sd/teppy.bmp");    //1, 140
00140     if (err != 1) TFT.printf(" - Err: %d",err);    
00141 }