main.cpp

00001 #include "stm32f103c8t6.h"
00002 #include "mbed.h"
00003 #include "Arial12x12.h"
00004 #include "Arial24x23.h"
00005 #include "Arial43x48_numb.h"
00006 #include "pict.h"
00007 #include "pavement_48x34.h"
00008 #include "ILI9341.h"
00009 
00010 const unsigned short  FOREGROUND_COLORS[] = {White, Cyan, Red, Magenta, Yellow, Orange, GreenYellow};
00011 const unsigned short  BACKGROUND_COLORS[] = {Black, Navy, DarkGreen, DarkCyan, Maroon};
00012 
00013 Serial          pc(PA_2, PA_3);     // serial interface with PC
00014 ILI9341*        tft;                // ILI9341 driver
00015 Timer           t;
00016 unsigned short  backgroundColor;
00017 unsigned short  foregroundColor;
00018 unsigned short  colorIndex = 0;
00019 char            orient = 3;
00020 
00021 
00022 
00023 int main()
00024 {
00025     confSysClock();     //Configure system clock (72MHz HSE clock, 48MHz USB clock)
00026 
00027     tft = new ILI9341(SPI_8, 20000000, PB_5, PB_4, PB_3, PA_15, PA_12, PA_11, "tft"); // SPI type, SPI speed, mosi, miso, sclk, cs, reset, dc
00028     tft->idle_on();
00029     tft->set_orientation(orient);
00030     int time, time2;
00031     pc.baud (115200);
00032     pc.printf("\n\nSystem Core Clock = %.3f MHZ\r\n",(float)SystemCoreClock/1000000);
00033     t.start();
00034 
00035     while(1) {
00036         foregroundColor = FOREGROUND_COLORS[colorIndex % 7];
00037         tft->foreground(foregroundColor);    // set chars to white
00038         backgroundColor = BACKGROUND_COLORS[colorIndex % 5];
00039         colorIndex++;
00040         tft->background(backgroundColor);    // set background to black
00041         tft->set_orientation((orient++)%4);
00042         tft->cls();                     // clear the screen
00043         tft->locate(0,30);
00044         tft->printf("Display ID: %.8X\r\n", tft->tftID);
00045         pc.printf("Display ID: %.8X\r\n", tft->tftID);
00046         // mem write/read test
00047         unsigned short readback;
00048         unsigned short colorstep = (0x10000/tft->width());
00049         for(unsigned short i=0; i<tft->width(); i++) {
00050             tft->pixel(i,0,i*colorstep); // write line
00051         }
00052         bool readerror=false;
00053         for(unsigned short i=0; i<tft->width(); i++) { // verify line
00054             readback = tft->pixelread(i,0);
00055             if(readback!=i*colorstep) {
00056                 readerror=true;
00057                 pc.printf("pix %.4X readback %.4X\r\n", i*colorstep, readback);
00058             }
00059         }
00060         tft->locate(0,10);
00061         tft->printf("pixelread test %s\r\n", readerror ? "FAIL":"PASS");
00062         wait(2);
00063 
00064         tft->cls();
00065         tft->set_font((unsigned char*) Terminal6x8,32,127,false); //variable width disabled
00066         tft->locate(0,0);
00067         tft->printf("Display Test\r\nSome text just to see if auto carriage return works correctly");
00068         tft->set_font((unsigned char*) Terminal6x8);
00069         tft->printf("\r\nDisplay Test\r\nSome text just to see if auto carriage return works correctly");
00070         pc.printf("  Display Test \r\n");
00071         wait(3);
00072         t.reset();
00073         tft->cls();
00074         time=t.read_us();
00075         tft->locate(2,55);
00076         tft->printf("cls: %.3fms", (float)time/1000);
00077         pc.printf("cls: %.3fms\r\n", (float)time/1000);
00078         wait(3);
00079 
00080         tft->cls();
00081         t.reset();
00082         // draw some graphics
00083         tft->set_font((unsigned char*) Arial24x23);
00084         tft->locate(10,10);
00085         tft->printf("Test");
00086 
00087         tft->line(0,0,tft->width()-1,0,foregroundColor);
00088         tft->line(0,0,0,tft->height()-1,foregroundColor);
00089         tft->line(0,0,tft->width()-1,tft->height()-1,foregroundColor);
00090 
00091         tft->rect(10,30,50,40,foregroundColor);
00092         tft->fillrect(60,30,100,40,foregroundColor);
00093 
00094         tft->circle(150,32,30,foregroundColor);
00095         tft->fillcircle(140,20,10,foregroundColor);
00096 
00097         double s;
00098 
00099         for (unsigned short i=0; i<tft->width(); i++) {
00100             s =10 * sin((long double) i / 10 );
00101             tft->pixel(i,40 + (int)s ,foregroundColor);
00102         }
00103 
00104 
00105         time=t.read_us();
00106         tft->locate(2,55);
00107         tft->set_font((unsigned char*) Terminal6x8);
00108         tft->printf("plot: %.3fms", (float)time/1000);
00109         pc.printf("plot: %.3fms\r\n", (float)time/1000);
00110         wait(3);
00111         tft->cls();
00112         t.reset();
00113         Bitmap_s pic = {
00114             64,     // XSize
00115             64,     // YSize
00116             8,      // Bytes in Line
00117             burp,   // Pointer to picture data
00118         };
00119         tft->Bitmap_BW(pic,tft->width()-64,0);
00120         time=t.read_us();
00121         tft->locate(2,55);
00122         tft->printf("bmp: %.3fms", (float)time/1000);
00123         pc.printf("bmp: %.3fms\r\n", (float)time/1000);
00124         wait(3);
00125         tft->cls();
00126         tft->set_font((unsigned char*) Arial43x48_numb, 46, 58, false); //only numbers, variable-width disabled
00127         t.reset();
00128         tft->locate(0,0);
00129         tft->printf("%d", 12345);
00130         time=t.read_us();
00131         tft->locate(2,55);
00132         tft->set_font((unsigned char*) Terminal6x8);
00133         tft->printf("Big Font: %.3fms", (float)time/1000);
00134         pc.printf("Big Font: %.3fms\r\n", (float)time/1000);
00135         wait(3);
00136         // sparse pixels test
00137         tft->cls();
00138         tft->FastWindow(true);
00139         t.reset();
00140         for(unsigned int i=0; i<20000; i++) {
00141             tft->pixel((i+(i*89)%tft->width()), (i+(i*61)%tft->height()), White);
00142         }
00143         tft->copy_to_lcd();
00144         time=t.read_us();
00145         tft->cls();
00146         tft->FastWindow(false);
00147         t.reset();
00148         for(unsigned int i=0; i<20000; i++) {
00149             tft->pixel((i+(i*89)%tft->width()), (i+(i*61)%tft->height()), White);
00150         }
00151         tft->copy_to_lcd();
00152         time2=t.read_us();
00153         tft->locate(2,55);
00154         tft->printf("std:%.3fms fastw:%.3fms", (float)time2/1000, (float)time/1000);
00155         pc.printf("std: %.3fms fastw: %.3fms\r\n", (float)time2/1000, (float)time/1000);
00156         wait(3);
00157         // scroll test, only for TFT
00158         tft->cls();
00159         tft->set_font((unsigned char*) Arial24x23);
00160         tft->locate(2,10);
00161         tft->printf("Scrolling");
00162         tft->rect(0,0,tft->width()-1,tft->height()-1,White);
00163         tft->rect(1,1,tft->width()-2,tft->height()-2,Blue);
00164         tft->setscrollarea(0,tft->sizeY());
00165         wait(1);
00166         tft->scroll(1); //up 1
00167         wait(1);
00168         tft->scroll(0); //center
00169         wait(1);
00170         tft->scroll(tft->sizeY()-1); //down 1
00171         wait(1);
00172         tft->scroll(tft->sizeY()); // same as 0, center
00173         wait(1);
00174         tft->scroll(tft->sizeY()>>1); // half screen
00175         wait(1);
00176         tft->scrollreset(); // center
00177         wait(1);
00178         for(unsigned short i=1; i<=tft->sizeY(); i++) {
00179             tft->scroll(i);
00180             wait_ms(2);
00181         }
00182         wait(2);
00183         // color inversion
00184         for(unsigned short i=0; i<=8; i++) {
00185             tft->invert(i&1);
00186             wait_ms(200);
00187         }
00188         wait(2);
00189         // bmp 16bit test
00190         tft->cls();
00191         t.reset();
00192         for(int y=0; y<tft->height(); y+=34) {
00193             for(int x=0; x<tft->width(); x+=48) tft->Bitmap(x,y,48,34,(unsigned char *)pavement_48x34);
00194         }
00195         time=t.read_us();
00196         tft->locate(2,55);
00197         tft->set_font((unsigned char*) Terminal6x8);
00198         tft->printf("Bmp speed: %.3fms", (float)time/1000);
00199         pc.printf("Bmp speed: %.3fms\r\n", (float)time/1000);
00200         wait(2);
00201     }
00202 }
00203 
00204