Diff: main.cpp

Revision:

0:be311b6a294c

Child:

1:6cd56ddffb40

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Tue Feb 17 13:22:06 2015 +0000
@@ -0,0 +1,270 @@
+#include "mbed.h"
+#include "MMA8451Q.h"
+#include <ILI9341.h>
+#include "Arial12x12.h"
+#include "Arial24x23.h"
+#include "Arial28x28.h"
+#include "Arial43x48_numb.h"
+#include "SPI_STMPE610.h"
+#include "main.h"
+
+DigitalOut myled(LED1);
+ILI9341 TFT(SPI_8, 10000000, 
+    PIN_MOSI, PIN_MISO,  PIN_SCLK, 
+    PIN_CS_TFT, PIN_RESET_TFT, PIN_DC_TFT, "Adafruit2.8") ;
+    
+SPI_STMPE610 TSC(PIN_MOSI, PIN_MISO, PIN_SCLK, PIN_CS_TSC) ;
+
+DigitalOut backlight(PIN_BL_TFT) ;
+
+#define MMA8451_I2C_ADDRESS (0x1d<<1)
+MMA8451Q *acc = 0 ;
+
+int page = 0 ;
+int numPage = 3 ;
+
+void initTFT(void)
+{
+    //Configure the display driver    
+    TFT.background(Black);
+    TFT.foreground(White);
+    wait(0.01) ;
+    TFT.cls();
+}
+
+void screen1(void) // Welcome Screen
+{
+    backlight = 0 ;
+    TFT.background(White) ;
+    TFT.cls() ;
+
+    wait(0.1) ;
+    TFT.set_font((unsigned char*) Arial24x23);
+    TFT.foreground(Red) ;
+    TFT.locate(80, 40) ;
+    TFT.printf("MBED") ;
+    TFT.foreground(Blue);
+    TFT.locate(60, 80) ;
+    TFT.printf("2.8\"TFT") ; 
+    TFT.locate(40, 120) ;
+    TFT.printf("with touch") ;
+    TFT.foreground(Black);
+    TFT.set_font((unsigned char*) Arial12x12);
+    TFT.foreground(Blue) ;
+    TFT.locate(10, 180) ;
+    TFT.printf("This program is running on") ;
+    TFT.locate(10, 200) ;
+    TFT.printf("freescale FRDM-KL25Z with") ;
+    TFT.locate(10, 220) ;
+    TFT.printf("a program developed on mbed") ;
+    TFT.foreground(Green) ;
+    TFT.locate(10, 260) ;
+    TFT.printf("To advance demo page, touch") ;
+    TFT.locate(10, 280) ;
+    TFT.printf("and hold right side of screen") ;
+    TFT.locate(10, 300) ;
+    TFT.printf("until the next screen starts") ;
+    backlight = 1 ;
+}
+
+void screen2(void) // Graphics
+{
+    //Draw some graphics
+    int i, x[2], y[2] ;
+    backlight = 0 ;
+
+    TFT.background(Black);
+    TFT.foreground(White);
+    TFT.cls() ;
+    TFT.set_font((unsigned char*) Arial12x12);
+    TFT.locate(90,0);
+    TFT.printf("Graphics");
+    
+    x[0] = 25 ; x[1] = 224 ;
+    y[0] = 20 ; y[1] = 219 ;
+    for (i = 20 ; i < 220 ; i += 10) {
+        TFT.line(i+5, y[0], i+5, y[1], Blue) ;
+        TFT.line(x[0], i, x[1], i, Blue) ;
+    }
+    TFT.line(125, y[0], 125, y[1], Green) ;
+    TFT.line(x[0], 120, x[1], 120, Green) ;
+    TFT.rect(x[0],y[0], x[1], y[1], Green) ;
+    TFT.locate(10, 20) ;
+    TFT.printf("V") ;
+    TFT.locate(0, 115) ;
+    TFT.printf("0.0") ;
+    TFT.locate(115, 225) ;
+    TFT.printf("0.0") ;
+    TFT.locate(215, 225) ;
+    TFT.printf("T") ;
+
+    double s;
+    for (int i = x[0]; i < 225; i++) {
+        s = 40 * sin((long double)i / 20);
+        TFT.pixel(i, 120 + (int)s, White);
+    }
+    
+    TFT.fillrect(10, 240, 229, 309, White) ;
+    TFT.rect(10, 240, 229, 309, Red) ;
+    TFT.rect(11, 241, 228, 308, Red) ;
+    
+    TFT.background(White) ;
+    TFT.foreground(Black) ;
+    TFT.locate(20, 250) ;
+    TFT.printf("With QVGA resolution") ;
+    TFT.locate(20, 270) ;
+    TFT.printf("simple graphics drawing") ;
+    TFT.locate(20, 290) ;
+    TFT.printf("capability is provided") ;
+    backlight = 1 ;
+}    
+
+double clip(double src)
+{
+    double value ;
+    value = src ;
+    if (value < 0.0) {
+        value = 0.0 ;
+    } else if (value > 2.0) {
+        value = 2.0 ;
+    }
+    return( value ) ;
+}
+
+void screen3(void)
+{
+    int t = 0 ;
+    int pt = 0 ; // previous t 
+    int i, x, y ;
+    unsigned int data[3] ; // for x, y, z 
+    unsigned int prev[3] ;
+    unsigned short signalHeight = 39 ;
+    unsigned short xoffset = 30 ;
+    unsigned short yoffset = 120 ;
+    unsigned short zoffset = 210 ;
+    unsigned short paneX[2] = {20, 235} ;
+    unsigned short paneH = 81 ;
+ 
+    backlight = 0 ;
+    TFT.background(Black) ;
+    TFT.foreground(White) ;
+//    TFT.cls() ;
+
+ 
+    TFT.fillrect(paneX[0], xoffset, paneX[1], xoffset+paneH, Black) ;
+    TFT.fillrect(paneX[0], yoffset, paneX[1], yoffset+paneH, Black) ;
+    TFT.fillrect(paneX[0], zoffset, paneX[1], zoffset+paneH, Black) ;
+    TFT.fillrect(paneX[0], xoffset, paneX[1], xoffset+paneH, Black) ;
+    for (i = 0 ; i < 10 ; i++ ) {
+        y = i * 8 ;
+        TFT.line(paneX[0], xoffset + y, paneX[1], xoffset + y, Blue) ;
+        TFT.line(paneX[0], yoffset + y, paneX[1], yoffset + y, Blue) ;
+        TFT.line(paneX[0], zoffset + y, paneX[1], zoffset + y, Blue) ;
+    }
+    for (x = 30 ; x < paneX[1] ; x += 10 ) {
+        TFT.line(x, xoffset, x, xoffset+paneH, Blue) ;
+        TFT.line(x, yoffset, x, yoffset+paneH, Blue) ;
+        TFT.line(x, zoffset, x, zoffset+paneH, Blue) ;
+    } 
+    TFT.rect(paneX[0], xoffset, paneX[1], xoffset+paneH, White) ;
+    TFT.rect(paneX[0], yoffset, paneX[1], yoffset+paneH, White) ;
+    TFT.rect(paneX[0], zoffset, paneX[1], zoffset+paneH, White) ;
+    TFT.set_font((unsigned char*) Arial12x12);
+    TFT.locate(5, xoffset+30) ;
+    TFT.printf("X") ;
+    TFT.locate(5, yoffset+30) ;
+    TFT.printf("Y") ;
+    TFT.locate(5, zoffset+30) ;
+    TFT.printf("Z") ;
+    TFT.locate(50, 10) ;
+    TFT.printf("Xtrinsic Accelerometer") ;
+    TFT.locate(90, 300) ;
+    TFT.printf("MMA8451Q") ;
+    
+    prev[0] = xoffset + (signalHeight * clip((1.0 + acc->getAccX()))) ;
+    prev[1] = yoffset + (signalHeight * clip((1.0 + acc->getAccY()))) ;
+    prev[2] = zoffset + (signalHeight * clip((1.0 + acc->getAccZ()))) ;
+    pt = paneX[0] ;
+    backlight = 1 ;
+    for(t = 21 ; t < paneX[1] ; t++) {
+        data[0] = xoffset + (signalHeight * clip((1.0 + acc->getAccX()))) ;
+        data[1] = yoffset + (signalHeight * clip((1.0 + acc->getAccY()))) ;
+        data[2] = zoffset + (signalHeight * clip((1.0 + acc->getAccZ()))) ;
+        TFT.line(pt, prev[0], t, data[0], Red) ;
+        TFT.line(pt, prev[1], t, data[1], Green) ;
+        TFT.line(pt, prev[2], t, data[2], Yellow) ;
+        prev[0] = data[0] ;
+        prev[1] = data[1] ;
+        prev[2] = data[2] ;
+        pt = t ;
+        wait(0.01) ;
+    }
+}
+
+void incPage(void)
+{
+    page++ ;
+    if (page >= numPage) {
+        page = 0 ;
+    }
+}
+
+void decPage(void) 
+{
+    page-- ;
+    if (page < 0) {
+        page = numPage - 1 ;
+    }
+}
+
+int main() {
+    uint16_t x, y, z ;
+    int prevPage = 0 ;
+    
+    acc = new MMA8451Q(PTE25, PTE24, MMA8451_I2C_ADDRESS) ;
+    
+    initTFT() ;
+    
+    screen1() ;
+        
+    printf("Program Started!\n\r") ;
+    
+    for(;;) {
+//        printf("TFT width = %d, height = %d\n\r", TFT.width(), TFT.height()) ;
+        switch(page) {
+        case 0:
+            if (prevPage != page) {
+                screen1() ;
+            }
+            break ;
+        case 1:
+            if (prevPage != page) {
+                screen2() ; 
+            }
+            break ;
+        case 2:
+            if (prevPage != page) {
+                TFT.background(Black) ;
+                TFT.foreground(White) ;
+                TFT.cls() ;
+            }
+            screen3() ; 
+            wait(2) ;
+            break ;
+        default:
+            page = 0 ; 
+            break ;
+        }
+        prevPage = page ;
+ 
+        TSC.getRAWPoint(&x, &y, &z) ;
+        if ((x != 0)||(y != 0) || (z != 0)) {
+            if (x < 1000) { // left
+                decPage() ;
+            } else if (x > 3000) { // right
+                incPage() ;
+            }
+        }
+//        wait(1) ;
+    }
+}