tft.cpp

00001 #include "mbed.h"
00002 #include "tft.h"
00003 
00004 #include "Arial12x12.h"
00005 #include "Arial24x23.h"
00006 #include "Arial28x28.h"
00007 #include "font_big.h"
00008 #include "Tahoma22x26.h"
00009 
00010 #define PIN_MOSI D11
00011 #define PIN_MISO D12
00012 #define PIN_SCLK D13
00013 #define PIN_DC   D4
00014 #define PIN_RST  D3
00015 #define PIN_CS   D2
00016 
00017 #define PIN_SD_MOSI PC_12
00018 #define PIN_SD_SCLK PC_10
00019 #define PIN_SD_MISO PC_11
00020 #define PIN_SD_CS PD_2
00021 
00022 extern unsigned char p1[];  // the mbed logo graphic
00023 
00024 TFT::TFT()
00025     : SPI_TFT_ILI9341(PIN_MOSI, PIN_MISO, PIN_SCLK, PIN_CS, PIN_RST, PIN_DC,"TFT")
00026     , m_cSD(PIN_SD_MOSI, PIN_SD_MISO, PIN_SD_SCLK, PIN_SD_CS, "sd")
00027 {
00028     init();    
00029 }
00030 
00031 void TFT::init()
00032 {
00033     set_orientation(3);
00034     background(Blue);     // set background to black
00035     foreground(White);    // set chars to white
00036     cls();                // clear the screen    
00037     
00038     set_font((unsigned char*)Tahoma22x26);
00039     locate(0,0);
00040 }
00041 
00042 void TFT::test()
00043 {
00044     //first show the 4 directions
00045     set_orientation(0);
00046     background(Black);
00047     cls();
00048 
00049     set_font((unsigned char*) Arial12x12);
00050     locate(0,0);
00051     printf("  Hello Mbed 0");
00052     set_orientation(1);
00053     locate(0,0);
00054     printf("  Hello Mbed 1");
00055     set_orientation(2);
00056     locate(0,0);
00057     printf("  Hello Mbed 2");
00058     set_orientation(3);
00059     locate(0,0);
00060     printf("  Hello Mbed 3");
00061     set_orientation(3);
00062     set_font((unsigned char*) Arial24x23);
00063     locate(50,100);
00064     printf("TFT orientation");
00065 
00066     wait(5);        // wait two seconds
00067 
00068     // draw some graphics
00069     cls();
00070     set_font((unsigned char*) Arial24x23);
00071     locate(100,100);
00072     printf("Graphic");
00073 
00074     line(0,0,100,0,Green);
00075     line(0,0,0,200,Green);
00076     line(0,0,100,200,Green);
00077 
00078     rect(100,50,150,100,Red);
00079     fillrect(180,25,220,70,Blue);
00080 
00081     circle(80,150,33,White);
00082     fillcircle(160,190,20,Yellow);
00083 
00084     double s;
00085 
00086     for (int i=0; i<320; i++) {
00087         s =20 * sin((long double) i / 10 );
00088         pixel(i,100 + (int)s ,Red);
00089     }
00090 
00091  
00092     wait(5);        // wait two seconds
00093 
00094     // bigger text
00095     foreground(White);
00096     background(Blue);
00097     cls();
00098     set_font((unsigned char*) Arial24x23);
00099     locate(0,0);
00100     printf("Different Fonts :");
00101 
00102     set_font((unsigned char*) Neu42x35);
00103     locate(10,30);
00104     printf("Hello Mbed 1");
00105     set_font((unsigned char*) Arial24x23);
00106     locate(20,80);
00107     printf("Hello Mbed 2");
00108     set_font((unsigned char*) Arial12x12);
00109     locate(35,120);
00110     printf("Hello Mbed 3");
00111     wait(5);
00112 
00113     background(Black);
00114     cls();
00115     locate(10,10);
00116     printf("Graphic from Flash");
00117     
00118     // mbed logo
00119     // defined in graphics.c
00120     //__align(4)
00121     //unsigned char p1[18920] = {
00122     //0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, ....
00123     // 
00124     Bitmap(90,90,172,55,p1);
00125 
00126     wait(5);
00127     cls();
00128     
00129     // to compare the speed of the internal file system and a SD-card
00130     locate(10,10);
00131     printf("Graphic from internal File System");
00132     locate(10,20);
00133     printf("open test.bmp");
00134     int err = BMP_16(1,50,"/local/test.bmp");
00135     if (err != 1) printf(" - Err: %d",err);
00136     
00137     locate(10,110);
00138     printf("Graphic from external SD-card");
00139     locate(10,120);
00140     BMP_16(1,140,"/sd/test.bmp");
00141     if (err != 1) printf(" - Err: %d",err);
00142     
00143     wait(5);
00144     init();
00145 }