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 
00019 
00020 
00021 
00022 // the display has a backlight switch on board 
00023 DigitalOut LCD_LED(PTA13);       
00024 DigitalOut pwr(PTD7);
00025 
00026 // the TFT is connected to SPI pin 5-7
00027 //SPI_TFT_ILI9341 TFT(p5, p6, p7, p8, p9, p10,"TFT"); // mosi, miso, sclk, cs, reset, dc for lpc1768
00028 SPI_TFT_ILI9341 TFT(PTD2, PTD3, PTD1, PTD5, PTD0, PTC12,"TFT"); // mosi, miso, sclk, cs, reset, dc for frdmkl25z
00029 //NB better combination to use a coherent 2x4 block for lcd 
00030 //   SPI_TFT_ILI9341 TFT(PTD2, PTD3, PTD1, PTA16, PTA17, PTC16,"TFT"); // mosi, miso, sclk, cs, reset, dc for frdmkl25z
00031 //   DigitalOut LCD_LED(PTC17);  
00032 //SDFileSystem sd(PTD2, PTD3, PTD1, PTA1, "sd"); // mosi,miso,sck,cs
00033 int main()
00034 {
00035     pwr=1;
00036     wait(0.2);
00037     while(1){
00038     int i;
00039     LCD_LED = 1;            // backlight on
00040    
00041     TFT.claim(stdout);        // send stdout to the TFT display
00042     TFT.set_orientation(1);
00043     TFT.background(Black);    // set background to black
00044     TFT.foreground(White);    // set chars to white
00045     TFT.cls();                // clear the screen
00046 
00047     //first show the 4 directions
00048     TFT.set_orientation(0);
00049     TFT.background(Black);
00050     TFT.cls();
00051 
00052     TFT.set_font((unsigned char*) Arial12x12);
00053     TFT.locate(0,0);
00054     printf("  Hello Mbed 0");
00055     TFT.set_orientation(1);
00056     TFT.locate(0,0);
00057     printf("  Hello Mbed 1");
00058     TFT.set_orientation(2);
00059     TFT.locate(0,0);
00060     printf("  Hello Mbed 2");
00061     TFT.set_orientation(3);
00062     TFT.locate(0,0);
00063     printf("  Hello Mbed 3");
00064     TFT.set_orientation(3);
00065     TFT.set_font((unsigned char*) Arial24x23);
00066     TFT.locate(50,100);
00067     TFT.printf("TFT orientation");
00068 
00069     wait(1);        // wait two seconds
00070       TFT.cls();
00071            LCD_LED = 1;   
00072    TFT.set_font((unsigned char*) Arial12x12);
00073     TFT.locate(1,10);
00074     TFT.foreground(Green);
00075     TFT.printf("Depth          Max Depth   Dive Time");
00076     TFT.locate(1,24);
00077     TFT.foreground(White);
00078     TFT.set_font((unsigned char*) Arial28x28);
00079     TFT.printf("32.4m");
00080     
00081     TFT.locate(130,24);
00082     TFT.foreground(White);
00083     TFT.set_font((unsigned char*) Arial24x23);
00084     TFT.printf("45.6m");
00085     TFT.locate(240,24);
00086     TFT.printf("37'");
00087     
00088     TFT.locate(1,70);
00089     TFT.set_font((unsigned char*) Arial12x12);
00090     TFT.foreground(Green);
00091     TFT.printf("ppO2:\nSensor 1     Sensor 2     Sensor 3");
00092     
00093      TFT.locate(1,100);
00094     TFT.foreground(White);
00095     TFT.set_font((unsigned char*) Arial28x28);
00096     TFT.printf("1.21   1.21   1.21");
00097     wait(10);
00098     
00099     /*
00100     wait(5);
00101 
00102     // draw some graphics
00103     TFT.cls();
00104     TFT.set_font((unsigned char*) Arial24x23);
00105     TFT.locate(100,100);
00106     TFT.printf("Graphic");
00107 
00108     TFT.line(0,0,100,0,Green);
00109     TFT.line(0,0,0,200,Green);
00110     TFT.line(0,0,100,200,Green);
00111 
00112     TFT.rect(100,50,150,100,Red);
00113     TFT.fillrect(180,25,220,70,Blue);
00114 
00115     TFT.circle(80,150,33,White);
00116     TFT.fillcircle(160,190,20,Yellow);
00117 
00118     double s;
00119 
00120     for (i=0; i<320; i++) {
00121         s =20 * sin((long double) i / 10 );
00122         TFT.pixel(i,100 + (int)s ,Red);
00123     }
00124 
00125  
00126     wait(5);        // wait two seconds
00127 
00128     // bigger text
00129     TFT.foreground(White);
00130     TFT.background(Blue);
00131     TFT.cls();
00132     TFT.set_font((unsigned char*) Arial24x23);
00133     TFT.locate(0,0);
00134     TFT.printf("Different Fonts :");
00135 
00136     TFT.set_font((unsigned char*) Neu42x35);
00137     TFT.locate(10,30);
00138     TFT.printf("Hello Mbed 1");
00139     TFT.set_font((unsigned char*) Arial24x23);
00140     TFT.locate(20,80);
00141     TFT.printf("Hello Mbed 2");
00142     TFT.set_font((unsigned char*) Arial12x12);
00143     TFT.locate(35,120);
00144     TFT.printf("Hello Mbed 3");
00145     wait(5);
00146 
00147     TFT.background(Black);
00148     TFT.cls();
00149     TFT.locate(10,10);
00150     TFT.printf("Graphic from Flash");
00151     
00152     // mbed logo
00153     // defined in graphics.c
00154     //__align(4)
00155     //unsigned char p1[18920] = {
00156     //0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, ....
00157     // 
00158     TFT.Bitmap(90,90,172,55,p1);
00159 
00160     wait(5);
00161     TFT.cls();
00162     
00163     // to compare the speed of the internal file system and a SD-card
00164     TFT.locate(10,10);
00165     TFT.printf("Graphic from internal File System");
00166     TFT.locate(20,20);
00167     TFT.printf("open test.bmp");
00168     int err = TFT.BMP_16(50,50,"/local/test.bmp");
00169     if (err != 1) TFT.printf(" - Err: %d",err);
00170     wait(5);
00171     for(i=0;i<10;i++){
00172           LCD_LED = 1;   
00173           wait(0.2);
00174             LCD_LED = 0;   
00175         wait(0.2);
00176         }
00177   
00178     */
00179     }
00180    
00181 }