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 #define dp23 P0_0
00016  
00017 // the SD-connector is connected to SPI pin 11-13 
00018 //SDFileSystem sd(p11, p12, p13, p14, "sd"); // mosi,miso,sck,cs
00019 
00020 //LocalFileSystem local("local");
00021 
00022 //extern unsigned char p1[];  // the mbed logo graphic
00023 
00024 // the display has a backlight switch on board 
00025 //DigitalOut LCD_LED(p21);       
00026 
00027 extern unsigned char p1[];  // the mbed logo graphic
00028 
00029 
00030 // the TFT is connected to SPI pin 5-7
00031 //SPI_TFT_ILI9341 TFT(p5, p6, p7, p8, p9, p10,"TFT"); // mosi, miso, sclk, cs, reset, dc
00032 SPI_TFT_ILI9341 TFT(dp2,dp1,dp6,dp24,dp23,dp25,"TFT"); // mosi, miso, sclk, cs, reset, dc
00033 
00034 int main()
00035 {
00036     int i=0;
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     while(1){
00044     //first show the 4 directions
00045     TFT.set_orientation(0);
00046     TFT.background(Black);
00047     TFT.cls();
00048 
00049     TFT.set_font((unsigned char*) Arial12x12);
00050     TFT.locate(0,0);
00051     printf("  Hello Mbed 0");
00052    
00053     wait(5);        // wait two seconds
00054 
00055     // draw some graphics
00056     TFT.cls();
00057     TFT.set_font((unsigned char*) Arial24x23);
00058     TFT.locate(100,100);
00059     TFT.printf("Graphic");
00060 
00061     TFT.line(0,0,100,0,Green);
00062     TFT.line(0,0,0,200,Green);
00063     TFT.line(0,0,100,200,Green);
00064     wait(5);        // wait two seconds
00065      TFT.rect(100,50,150,100,Red);
00066     TFT.fillrect(180,25,220,70,Blue);
00067  
00068  
00069     TFT.circle(80,150,33,White);
00070     TFT.fillcircle(160,190,20,Yellow);
00071  
00072     double s;
00073  
00074     for (i=0; i<320; i++) {
00075         s =20 * sin((long double) i / 10 );
00076         TFT.pixel(i,100 + (int)s ,Red);
00077     }
00078  
00079  
00080     wait(5);        // wait two seconds
00081  
00082   /*
00083     // bigger text
00084     TFT.foreground(White);
00085     TFT.background(Blue);
00086     TFT.cls();
00087     TFT.set_font((unsigned char*) Arial24x23);
00088     TFT.locate(0,0);
00089     TFT.printf("Different Fonts :");
00090  
00091     TFT.set_font((unsigned char*) Neu42x35);
00092     TFT.locate(10,30);
00093     TFT.printf("Hello Mbed 1");
00094     TFT.set_font((unsigned char*) Arial24x23);
00095     TFT.locate(20,80);
00096     TFT.printf("Hello Mbed 2");
00097     TFT.set_font((unsigned char*) Arial12x12);
00098     TFT.locate(35,120);
00099     TFT.printf("Hello Mbed 3");
00100     
00101    */
00102    
00103    wait(5);
00104    
00105     TFT.background(Black);
00106     TFT.cls();
00107     TFT.locate(10,10);
00108     TFT.printf("Graphic from Flash");
00109     
00110     // mbed logo
00111     // defined in graphics.c
00112     //__align(4)
00113     //unsigned char p1[18920] = {
00114     //0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, ....
00115     // 
00116     
00117     TFT.Bitmap(90,90,172,55,p1);
00118  
00119     wait(5);
00120     TFT.cls();
00121     
00122     /*
00123     // to compare the speed of the internal file system and a SD-card
00124     TFT.locate(10,10);
00125     TFT.printf("Graphic from internal File System");
00126     TFT.locate(10,20);
00127     TFT.printf("open test.bmp");
00128     int err = TFT.BMP_16(1,50,"/local/test.bmp");
00129     if (err != 1) TFT.printf(" - Err: %d",err);
00130     */
00131  /*   TFT.locate(10,110);
00132     TFT.printf("Graphic from external SD-card");
00133     TFT.locate(10,120);
00134     err = TFT.BMP_16(1,140,"/sd/test.bmp");
00135     if (err != 1) TFT.printf(" - Err: %d",err);
00136     */
00137     }
00138     
00139     
00140     
00141    }