main.cpp

00001 #include "mbed.h"
00002 //#include "MMA8451Q.h"
00003 #include <ILI9341.h>
00004 #include "Arial12x12.h"
00005 #include "Arial24x23.h"
00006 #include "Arial28x28.h"
00007 #include "Arial43x48_numb.h"
00008 #include "SPI_STMPE610.h"
00009 #include "main.h"
00010 
00011 DigitalOut myled(LED1);
00012 ILI9341 TFT(SPI_8, 48000000, 
00013     PIN_MOSI, PIN_MISO,  PIN_SCLK, 
00014     PIN_CS_TFT, PIN_RESET_TFT, PIN_DC_TFT, "Adafruit2.8") ;
00015 
00016 //SPI_STMPE610 TSC(PIN_MOSI, PIN_MISO, PIN_SCLK, PIN_CS_TSC) ;
00017 
00018 DigitalOut backlight(PIN_BL_TFT) ;
00019 
00020 #define MMA8451_I2C_ADDRESS (0x1d<<1)
00021 //MMA8451Q *acc = 0 ;
00022 
00023 int page = 0 ;
00024 int numPage = 3 ;
00025 
00026 void initTFT(void)
00027 {
00028     //Configure the display driver    
00029     TFT.FastWindow(true) ;
00030     TFT.background(Black);
00031     TFT.foreground(White);
00032     wait(0.01) ;
00033     TFT.cls();
00034 }
00035 
00036 void screen1(void) // Welcome Screen
00037 {
00038 printf("screen1\n");
00039     backlight = 0 ;
00040     TFT.BusEnable(true) ;
00041     TFT.background(White) ;
00042     TFT.cls() ;
00043 printf("screen clear\n");
00044 
00045     wait(0.1) ;
00046     TFT.set_font((unsigned char*) Arial24x23);
00047     TFT.foreground(Red) ;
00048     TFT.locate(80, 30) ;
00049     TFT.printf("MBED") ;
00050     TFT.foreground(Blue);
00051     TFT.locate(60, 60) ;
00052     TFT.printf("2.8\"TFT") ; 
00053     TFT.locate(40, 90) ;
00054     TFT.printf("with touch") ;
00055     TFT.foreground(Green) ;
00056     TFT.locate(10, 130) ;
00057     TFT.printf("UniGraphic Ver.") ;
00058     TFT.foreground(Black);
00059     TFT.set_font((unsigned char*) Arial12x12);
00060     TFT.foreground(Blue) ;
00061     TFT.locate(20, 180) ;
00062     TFT.printf("This program is running on") ;
00063     TFT.locate(20, 200) ;
00064     TFT.printf("freescale FRDM-KL25Z with") ;
00065     TFT.locate(20, 220) ;
00066     TFT.printf("a program developed on mbed") ;
00067     TFT.foreground(Green) ;
00068     TFT.locate(20, 260) ;
00069     TFT.printf("To advance demo page, touch") ;
00070     TFT.locate(20, 280) ;
00071     TFT.printf("and hold right side of screen") ;
00072     TFT.locate(20, 300) ;
00073     TFT.printf("until the next screen starts") ;
00074     TFT.BusEnable(false) ;
00075     backlight = 1 ;
00076 }
00077 
00078 void screen2(void) // Graphics
00079 {
00080     //Draw some graphics
00081     int i, x[2], y[2] ;
00082     backlight = 0 ;
00083     TFT.BusEnable(true) ;
00084     
00085     TFT.background(Black);
00086     TFT.foreground(White);
00087     TFT.cls() ;
00088     TFT.set_font((unsigned char*) Arial12x12);
00089     TFT.locate(90,0);
00090     TFT.printf("Graphics");
00091     
00092     x[0] = 25 ; x[1] = 224 ;
00093     y[0] = 20 ; y[1] = 219 ;
00094     for (i = 20 ; i < 220 ; i += 10) {
00095         TFT.line(i+5, y[0], i+5, y[1], Blue) ;
00096         TFT.line(x[0], i, x[1], i, Blue) ;
00097     }
00098     TFT.line(125, y[0], 125, y[1], Green) ;
00099     TFT.line(x[0], 120, x[1], 120, Green) ;
00100     TFT.rect(x[0],y[0], x[1], y[1], Green) ;
00101     TFT.locate(10, 20) ;
00102     TFT.printf("V") ;
00103     TFT.locate(0, 115) ;
00104     TFT.printf("0.0") ;
00105     TFT.locate(115, 225) ;
00106     TFT.printf("0.0") ;
00107     TFT.locate(215, 225) ;
00108     TFT.printf("T") ;
00109 
00110     double s;
00111     for (int i = x[0]; i < 225; i++) {
00112         s = 40 * sin((long double)i / 20);
00113         TFT.pixel(i, 120 + (int)s, White);
00114     }
00115     
00116     TFT.fillrect(10, 240, 229, 309, White) ;
00117     TFT.rect(10, 240, 229, 309, Red) ;
00118     TFT.rect(11, 241, 228, 308, Red) ;
00119     
00120     TFT.background(White) ;
00121     TFT.foreground(Black) ;
00122     TFT.locate(20, 250) ;
00123     TFT.printf("With QVGA resolution") ;
00124     TFT.locate(20, 270) ;
00125     TFT.printf("simple graphics drawing") ;
00126     TFT.locate(20, 290) ;
00127     TFT.printf("capability is provided") ;
00128     
00129     TFT.BusEnable(false) ;
00130     backlight = 1 ;
00131 }    
00132 
00133 double clip(double src)
00134 {
00135     double value ;
00136     value = src ;
00137     if (value < 0.0) {
00138         value = 0.0 ;
00139     } else if (value > 2.0) {
00140         value = 2.0 ;
00141     }
00142     return( value ) ;
00143 }
00144 
00145 void screen3(void)
00146 {
00147     int t = 0 ;
00148     int pt = 0 ; // previous t 
00149     int i, x, y ;
00150     unsigned int data[3] ; // for x, y, z 
00151     unsigned int prev[3] ;
00152     unsigned short signalHeight = 39 ;
00153     unsigned short xoffset = 30 ;
00154     unsigned short yoffset = 120 ;
00155     unsigned short zoffset = 210 ;
00156     unsigned short paneX[2] = {20, 235} ;
00157     unsigned short paneH = 81 ;
00158  
00159     backlight = 0 ;
00160     TFT.BusEnable(true) ;
00161     TFT.background(Black) ;
00162     TFT.foreground(White) ;
00163 //    TFT.cls() ;
00164 
00165  
00166     TFT.fillrect(paneX[0], xoffset, paneX[1], xoffset+paneH, Black) ;
00167     TFT.fillrect(paneX[0], yoffset, paneX[1], yoffset+paneH, Black) ;
00168     TFT.fillrect(paneX[0], zoffset, paneX[1], zoffset+paneH, Black) ;
00169     TFT.fillrect(paneX[0], xoffset, paneX[1], xoffset+paneH, Black) ;
00170     for (i = 0 ; i < 10 ; i++ ) {
00171         y = i * 8 ;
00172         TFT.line(paneX[0], xoffset + y, paneX[1], xoffset + y, Blue) ;
00173         TFT.line(paneX[0], yoffset + y, paneX[1], yoffset + y, Blue) ;
00174         TFT.line(paneX[0], zoffset + y, paneX[1], zoffset + y, Blue) ;
00175     }
00176     for (x = 30 ; x < paneX[1] ; x += 10 ) {
00177         TFT.line(x, xoffset, x, xoffset+paneH, Blue) ;
00178         TFT.line(x, yoffset, x, yoffset+paneH, Blue) ;
00179         TFT.line(x, zoffset, x, zoffset+paneH, Blue) ;
00180     } 
00181     TFT.rect(paneX[0], xoffset, paneX[1], xoffset+paneH, White) ;
00182     TFT.rect(paneX[0], yoffset, paneX[1], yoffset+paneH, White) ;
00183     TFT.rect(paneX[0], zoffset, paneX[1], zoffset+paneH, White) ;
00184     TFT.set_font((unsigned char*) Arial12x12);
00185     TFT.locate(5, xoffset+30) ;
00186     TFT.printf("X") ;
00187     TFT.locate(5, yoffset+30) ;
00188     TFT.printf("Y") ;
00189     TFT.locate(5, zoffset+30) ;
00190     TFT.printf("Z") ;
00191     TFT.locate(50, 10) ;
00192     TFT.printf("Xtrinsic Accelerometer") ;
00193     TFT.locate(90, 300) ;
00194     TFT.printf("MMA8451Q") ;
00195 #if 0    
00196     prev[0] = xoffset + (signalHeight * clip((1.0 + acc->getAccX()))) ;
00197     prev[1] = yoffset + (signalHeight * clip((1.0 + acc->getAccY()))) ;
00198     prev[2] = zoffset + (signalHeight * clip((1.0 + acc->getAccZ()))) ;
00199     pt = paneX[0] ;
00200     backlight = 1 ;
00201     for(t = 21 ; t < paneX[1] ; t++) {
00202         data[0] = xoffset + (signalHeight * clip((1.0 + acc->getAccX()))) ;
00203         data[1] = yoffset + (signalHeight * clip((1.0 + acc->getAccY()))) ;
00204         data[2] = zoffset + (signalHeight * clip((1.0 + acc->getAccZ()))) ;
00205         TFT.line(pt, prev[0], t, data[0], Red) ;
00206         TFT.line(pt, prev[1], t, data[1], Green) ;
00207         TFT.line(pt, prev[2], t, data[2], Yellow) ;
00208         prev[0] = data[0] ;
00209         prev[1] = data[1] ;
00210         prev[2] = data[2] ;
00211         pt = t ;
00212         wait(0.01) ;
00213     }
00214     TFT.BusEnable(false) ;
00215 #endif
00216 }
00217 
00218 void incPage(void)
00219 {
00220     page++ ;
00221     if (page >= numPage) {
00222         page = 0 ;
00223     }
00224 }
00225 
00226 void decPage(void) 
00227 {
00228     page-- ;
00229     if (page < 0) {
00230         page = numPage - 1 ;
00231     }
00232 }
00233 
00234 int main() {
00235     uint16_t x, y, z ;
00236     int prevPage = 0 ;
00237     
00238     //acc = new MMA8451Q(PTE25, PTE24, MMA8451_I2C_ADDRESS) ;
00239     
00240     printf("\nInitializing TFT module\n") ;
00241     initTFT() ;
00242     printf("Initialized TFT module\n") ;
00243     
00244     screen1() ;
00245         
00246     printf("Program Started!\n\r") ;
00247     
00248     for(;;) {
00249         printf("%02d: TFT width = %d, height = %d\n\r", page, TFT.width(), TFT.height()) ;
00250         switch(page) {
00251         case 0:
00252             if (prevPage != page) {
00253                 screen1() ;
00254             }
00255             break ;
00256         case 1:
00257             if (prevPage != page) {
00258                 screen2() ; 
00259             }
00260             break ;
00261         case 2:
00262             if (prevPage != page) {
00263                 TFT.BusEnable(true) ;
00264                 TFT.background(Black) ;
00265                 TFT.foreground(White) ;
00266                 TFT.cls() ;
00267                 TFT.BusEnable(false) ;
00268             }
00269             screen3() ; 
00270             wait(2) ;
00271             break ;
00272         default:
00273             page = 0 ; 
00274             break ;
00275         }
00276         prevPage = page ;
00277  
00278 #if 0
00279         TSC.getRAWPoint(&x, &y, &z) ;
00280         if ((x != 0)||(y != 0) || (z != 0)) {
00281             if (x < 1000) { // left
00282                 decPage() ;
00283             } else if (x > 3000) { // right
00284                 incPage() ;
00285             }
00286         }
00287 #else
00288         page++;
00289 #endif
00290         wait(1) ;
00291     }
00292 }