Diff: main.cpp

Revision:

0:cd5e3d371b54

Child:

1:e265e7245ab8

diff -r 000000000000 -r cd5e3d371b54 main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Thu Nov 19 13:34:57 2015 +0000
@@ -0,0 +1,253 @@
+/* mbed main.cpp to test adafruit 2.8" TFT LCD shiled w Touchscreen
+ * Copyright (c) 2014, 2015 Motoo Tanaka @ Design Methodology Lab
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+ 
+ /* 
+  * Note: This program is derived from the SeeeStudioTFTv2 program.
+  * Although both program share same ILI9341 TFT driver,
+  * the touch sensor was not same with the Display I purchased from Akizuki.
+  * http://akizukidenshi.com/catalog/g/gM-07747/
+  * The touch sensor on the display is STMPE610,
+  * so I hacked the minimum spi driver for it (polling mode only).
+  */
+
+#include "mbed.h"
+#include <math.h>
+#include "ILI9341.h"
+#include "SPI_STMPE610.h"
+#include "Arial12x12.h"
+#include "Arial24x23.h"
+#include "Arial28x28.h"
+#include "Arial43x48_numb.h"
+
+#define PIN_MOSI        PA_7
+#define PIN_MISO        PA_6  
+#define PIN_SCLK        PA_5 
+#define PIN_CS_TFT      PB_6 
+#define PIN_DC_TFT      PC_7 
+#define PIN_BL_TFT      PA_8 
+#define PIN_CS_SD       PB_5 
+#define PIN_CS_TSC      PA_9 
+#define PIN_TSC_INTR    PA_8
+#define PIN_RESET_TFT   PC_13 /* place holder */
+#define DEVICE_NAME     "F411RE"
+
+#ifndef TARGET_NECLEO_F411RE
+#define TARGET_NECLEO_F411RE 
+#endif
+
+
+DigitalOut backlight(PB_3) ;
+DigitalOut tsc_cs(PA_9, 1) ;
+DigitalOut tft_cs(PB_6, 1) ;
+
+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) ;
+
+int page = 0 ;
+int numPage = 2 ;
+
+void initTFT(void)
+{
+    //Configure the display driver
+    TFT.BusEnable(true) ;
+    TFT.FastWindow(true) ;
+    TFT.background(Black);
+    TFT.foreground(White);
+    wait(0.01) ;
+    TFT.cls();
+    TFT.BusEnable(false) ;
+}
+
+void screen1(void) // Welcome Screen
+{
+    TFT.BusEnable(true) ;
+    backlight = 0 ;
+    TFT.background(White) ;
+    wait(0.1) ;
+    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(30, 180) ;
+    TFT.printf("This program is running on") ;
+    TFT.locate(30, 200) ;
+    TFT.printf("ST Nucleo F411RE with") ;
+    TFT.locate(30, 220) ;
+    TFT.printf("a program developed in mbed") ;
+    TFT.foreground(Green) ;
+    TFT.locate(30, 260) ;
+    TFT.printf("To advance demo page, touch") ;
+    TFT.locate(30, 280) ;
+    TFT.printf("and hold right side of screen") ;
+    TFT.locate(30, 300) ;
+    TFT.printf("until the next screen starts") ;
+    TFT.BusEnable(false) ;
+    backlight = 1 ;
+}
+
+void screen2(void) // Graphics
+{
+    //Draw some graphics
+    int i, x[2], y[2] ;
+    backlight = 0 ;
+    TFT.BusEnable(true) ;
+    TFT.background(Black);
+    wait(0.1) ;
+    TFT.foreground(White);
+    wait(0.1) ;
+    TFT.cls() ;
+    wait(0.1) ;
+    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") ;
+    TFT.BusEnable(false) ;
+    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 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 = 99 ;
+    bool waitTouch = false ;
+    
+    printf("Hello World\n") ;
+    
+    tsc_cs = 1 ;
+    tft_cs = 0 ;
+    initTFT() ;
+    tft_cs = 1 ;
+
+    tsc_cs = 0 ;
+    TSC.spi_format(8, 1) ; // for Nucleo F411RE
+    tsc_cs = 1 ;
+    
+ //   screen0() ;
+        
+    printf("Program Started!\n\r") ;
+    
+    for(;;) {
+//        printf("TFT width = %d, height = %d\n\r", TFT.width(), TFT.height()) ;
+        tft_cs = 0 ;
+        switch(page) {
+        case 0:
+            if (prevPage != page) {
+                screen1() ;
+            }
+            waitTouch = true ;
+            break ;
+        case 1:
+            if (prevPage != page) {
+                screen2() ; 
+            }
+            waitTouch = true ;
+            break ;
+        default:
+            page = 0 ; 
+            break ;
+        }
+        prevPage = page ;
+
+        tft_cs = 1 ;
+        do {
+            tsc_cs = 0 ;
+            TSC.getRAWPoint(&x, &y, &z) ;
+            if ((x != 0)||(y != 0) || (z != 0)) {
+                if (x < 1000) { // left
+                    decPage() ;
+                } else if (x > 3000) { // right
+                    incPage() ;
+                }
+                waitTouch = false ;
+            }
+            tsc_cs = 1 ;
+        } while(waitTouch != false) ;
+ //       wait(1) ;
+    }
+}