Diff: main.cpp

Revision:

2:2033db202017

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Thu Sep 29 11:07:41 2016 +0000
@@ -0,0 +1,128 @@
+#include "STM32F103RGT6.h"
+#include "stdio.h"
+#include "mbed.h"
+#include "SPI_TFT_ILI9341.h"
+//#include "string" // errors?
+#include "Arial12x12.h"
+#include "Arial24x23.h"
+#include "Arial28x28.h"
+#include "font_big.h"
+// the TFT is connected to SPI pin PB_15, PB_14, PB_13, PB_12, NC, PC_6, mosi, miso, sclk, cs, reset, dc
+SPI_TFT_ILI9341 TFT(PB_15, PB_14, PB_13, PB_12, NC, PC_6,"TFT"); // mosi, miso, sclk, cs, reset, dc
+//If your display need a signal for switch the backlight use a aditional IO pin in your program
+
+
+Serial pc(PC_10, PC_11);
+DigitalOut led1(LED1);
+DigitalOut led2(LED2);
+DigitalOut led3(LED3);
+DigitalOut led4(LED4);
+DigitalIn joyleft(PB_5);
+DigitalIn joysel(PB_6);
+DigitalIn joydown(PB_7);
+DigitalIn joyright(PB_8);
+DigitalIn joyup(PB_9);
+AnalogIn line(BT_RESET);
+DigitalIn BT_1(BT_GPIO1);
+//DigitalIn BT_2(BT_RESET);
+DigitalIn BT_3(BT_POWER_ON);
+//Timer timer;
+//int begin, end;
+int buff[320];
+
+int main()
+{
+    int state =0;
+    int pointx =0;
+    int i;
+   //timer.start();
+    //int pointy =0;
+    TFT.claim(stdout);      // send stdout to the TFT display
+    //TFT.claim(stderr);      // send stderr to the TFT display
+    TFT.background(Black);    // set background to black
+    TFT.foreground(White);    // set chars to white
+    TFT.set_orientation(1); // 1 to set correct for m24sr-descovey
+    TFT.newcls();                // clear the screen
+    TFT.set_font((unsigned char*) Arial24x23);  // select font 2
+    //TFT.line(0, 0, TFT.width(), TFT.height(), Red);
+    //TFT.fillrect(200, 200, 100, 100, White);
+    printf("width (%d)\n", TFT.width());
+    printf("height(%d)\n", TFT.height());
+    printf("columns (%d)\n", TFT.columns());
+    printf("rows(%d)\n", TFT.rows());
+    wait(5);
+    TFT.locate(0,100);
+    while(1) {
+        if(!joyleft) {
+            printf("  left\n");
+            pc.printf("  left\n");
+            TFT.cls();
+            state =1;
+        }
+        if(!joyright) {
+            printf("  right\n");
+            pc.printf("  right\n");
+            TFT.cls();
+            state =2;
+        }
+        if(!joyup) {
+            printf("  up\n");
+            pc.printf("  up\n");
+            TFT.cls();
+            state =3;
+        }
+        if(!joydown) {
+            led4 = !led4;
+            printf("  down\n");
+            pc.printf("  down\n");
+            state =4;
+        }
+        if(!joysel) {
+            printf("  sel\n");
+            pc.printf("  sel\n");
+            state =5;
+        }
+
+        switch (state) {
+            case 1:
+                led1 = !led1;
+                TFT.locate(0,0);
+                printf("BT_1! (%x)\n", BT_1.read());
+                printf("BT_3! (%x)\n", BT_3.read());
+                wait(1);
+                break;
+            case 2:
+                led2 = !led2;
+                TFT.locate(0,0);
+                printf("val! (%d)\n", line.read_u16()); // 3v3 = +65,535
+                printf("val! (%f)\n", line.read()); // 3v3 = ???
+                printf("val! (%x)\n", line.read_u16());
+                pc.printf("val! (%f)\n", line.read_u16());
+                wait(1);
+                break;
+            case 3:
+                TFT.newcls();                // clear the screen
+                //begin = timer.read_us();
+                for(i=0; i<320; i++) {
+                    buff[i] = (int) (TFT.height()-(line.read()*TFT.height()));
+                }
+                //end = timer.read_us();
+                for(pointx=0; pointx<320; pointx++) {
+                    TFT.pixel(pointx,buff[pointx], Green);
+                }
+                led3 = !led3;
+                TFT.locate(0,0);
+                //end = timer.read_us();
+                //printf("%d us", end - begin); // 1 read< 1uS
+
+                break;
+            default:
+                TFT.newcls();
+                TFT.locate(0,100);
+                printf("  nothing to see \n");
+                break;
+        }
+        wait(1);
+    }
+
+}