main.cpp

00001 // example for Source Code Pro 31px font
00002  
00003 #include "stdio.h"
00004 #include "mbed.h"
00005 #include "string"
00006 #include "SourceCodePro31.h"
00007 #include "SPI_TFT.h"
00008 
00009 // the TFT is connected to SPI pin 11-13
00010 SPI_TFT TFT(p11, p12, p13, p14, p15,"TFT"); // mosi, miso, sclk, cs, reset
00011 
00012 int main() {
00013     int i, j; float f;
00014     TFT.claim(stdout);      // send stdout to the TFT display 
00015 
00016     TFT.set_orientation(1);
00017 
00018   for(j = 0; 1; j++) {
00019     TFT.background(Blue);    // set background to black
00020     TFT.foreground(White);    // set chars to white
00021     TFT.cls();                // clear the screen
00022 
00023     TFT.set_orientation(1);
00024     TFT.set_font((unsigned char*) SCProSB31x55);
00025       
00026     for(i = 0; i < 320; i++) {
00027       f = rand() / 1E9 - 1;
00028       f = f / 5 + sin(i / 26.0);
00029       TFT.locate(0,10);
00030       TFT.printf("%c", f < 0 ? '-' : '+');
00031       TFT.locate(33,10);
00032       TFT.printf("%7.5f", abs(f));
00033       TFT.locate(250,10);
00034 //      TFT.printf("}\x7f");
00035       TFT.printf("}A");
00036       TFT.line(i,150,i,150-f*50, f > 0 ? White : Red);
00037       wait_ms(j & 1 ? 80 : 300
00038       ); 
00039       } 
00040     }
00041   }
00042