Diff: main.cpp

Revision:

0:deb3a37d60f8

Child:

1:f27de729d8f8

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Tue Oct 06 05:16:43 2020 +0000
@@ -0,0 +1,178 @@
+#include "stdio.h"
+#include "mbed.h"
+#include "string"
+#include "Arial12x12.h"
+#include "Arial24x23.h"
+#include "Arial43x48_numb.h"
+#include <ILI9341.h>
+
+
+
+Serial pc(USBTX, USBRX);
+
+
+ILI9341 myLCD(SPI_16, 12000000, PB_5,PB_4, PB_3, PA_10, PA_8, PB_10,"myLCD");  // Spi 16bit, 12MHz, mosi, miso, sclk, cs, reset, dc
+
+Timer t;
+
+//unsigned short backgroundcolor=White;
+//unsigned short foregroundcolor=Black;
+unsigned short backgroundcolor=Black;
+unsigned short foregroundcolor=White;
+
+char orient=1;
+int main()
+{
+//    myLCD.set_contrast(26);//for uc1608
+//   myLCD.set_contrast(46);//for ist3020
+    myLCD.set_orientation(orient);
+    int time, time2;
+    pc.baud (115200);
+    pc.printf("\n\nSystem Core Clock = %.3f MHZ\r\n",(float)SystemCoreClock/1000000);
+    t.start();
+//   myLCD.set_font((unsigned char*) Terminal6x8);
+    // myLCD.claim(stdout);      // send stdout to the LCD display
+    //myLCD.claim(stderr);      // send stderr to the LCD display
+    myLCD.background(backgroundcolor);    // set background to black
+    myLCD.foreground(foregroundcolor);    // set chars to white
+
+    while(1) {
+        myLCD.set_orientation((orient++)%4);
+        myLCD.cls();                // clear the screen
+        myLCD.locate(0,30);
+        myLCD.printf("Display ID: %.8X\r\n", myLCD.tftID);
+        pc.printf("Display ID: %.8X\r\n", myLCD.tftID);
+        // mem write/read test
+        unsigned short readback;
+        unsigned short colorstep = (0x10000/myLCD.width());
+        for(unsigned short i=0; i<myLCD.width(); i++) {
+            myLCD.pixel(i,0,i*colorstep); // write line
+        }
+        bool readerror=false;
+        for(unsigned short i=0; i<myLCD.width(); i++) { // verify line
+            readback = myLCD.pixelread(i,0);
+            if(readback!=i*colorstep) {
+                readerror=true;
+                pc.printf("pix %.4X readback %.4X\r\n", i*colorstep, readback);
+            }
+        }
+        myLCD.locate(0,10);
+        myLCD.printf("pixelread test %s\r\n", readerror ? "FAIL":"PASS");
+        ThisThread::sleep_for(2000);
+
+        myLCD.cls();
+        myLCD.set_font((unsigned char*) Terminal6x8,32,127,false); //variable width disabled
+        myLCD.locate(0,0);
+        myLCD.printf("Display Test\r\nSome text just to see if auto carriage return works correctly");
+        myLCD.set_font((unsigned char*) Terminal6x8);
+        myLCD.printf("\r\nDisplay Test\r\nSome text just to see if auto carriage return works correctly");
+        pc.printf("  Display Test \r\n");
+        ThisThread::sleep_for(3000);
+        t.reset();
+        myLCD.cls();
+        time=t.read_us();
+        myLCD.locate(2,55);
+        myLCD.printf("cls: %.3fms", (float)time/1000);
+        pc.printf("cls: %.3fms\r\n", (float)time/1000);
+        ThisThread::sleep_for(3000);
+
+        myLCD.cls();
+        t.reset();
+        // draw some graphics
+        //myLCD.cls();
+        myLCD.set_font((unsigned char*) Arial24x23);
+        myLCD.locate(10,10);
+        myLCD.printf("Test");
+
+        myLCD.line(0,0,myLCD.width()-1,0,foregroundcolor);
+        myLCD.line(0,0,0,myLCD.height()-1,foregroundcolor);
+        myLCD.line(0,0,myLCD.width()-1,myLCD.height()-1,foregroundcolor);
+
+        myLCD.rect(10,30,50,40,foregroundcolor);
+        myLCD.fillrect(60,30,100,40,foregroundcolor);
+
+        myLCD.circle(150,32,30,foregroundcolor);
+        myLCD.fillcircle(140,20,10,foregroundcolor);
+
+        double s;
+
+        for (unsigned short i=0; i<myLCD.width(); i++) {
+            s =10 * sin((long double) i / 10 );
+            myLCD.pixel(i,40 + (int)s,foregroundcolor);
+        }
+
+
+        time=t.read_us();
+        myLCD.locate(2,55);
+        myLCD.set_font((unsigned char*) Terminal6x8);
+        myLCD.printf("plot: %.3fms", (float)time/1000);
+        pc.printf("plot: %.3fms\r\n", (float)time/1000);
+        ThisThread::sleep_for(3000);
+        myLCD.cls();
+        t.reset();
+        myLCD.set_font((unsigned char*) Arial43x48_numb, 46, 58, false); //only numbers, variable-width disabled
+        t.reset();
+        myLCD.locate(0,0);
+        myLCD.printf("%d", 12345);
+        time=t.read_us();
+        myLCD.locate(2,55);
+        myLCD.set_font((unsigned char*) Terminal6x8);
+        myLCD.printf("Big Font: %.3fms", (float)time/1000);
+        pc.printf("Big Font: %.3fms\r\n", (float)time/1000);
+        ThisThread::sleep_for(3000);
+        // sparse pixels test
+        myLCD.cls();
+        myLCD.FastWindow(true);
+        t.reset();
+        for(unsigned int i=0; i<20000; i++) {
+            myLCD.pixel((i+(i*89)%myLCD.width()), (i+(i*61)%myLCD.height()), White);
+        }
+        myLCD.copy_to_lcd();
+        time=t.read_us();
+        myLCD.cls();
+        myLCD.FastWindow(false);
+        t.reset();
+        for(unsigned int i=0; i<20000; i++) {
+            myLCD.pixel((i+(i*89)%myLCD.width()), (i+(i*61)%myLCD.height()), White);
+        }
+        myLCD.copy_to_lcd();
+        time2=t.read_us();
+        myLCD.locate(2,55);
+        myLCD.printf("std:%.3fms fastw:%.3fms", (float)time2/1000, (float)time/1000);
+        pc.printf("std: %.3fms fastw: %.3fms\r\n", (float)time2/1000, (float)time/1000);
+        ThisThread::sleep_for(3000);
+        
+        // scroll test, only for TFT
+        myLCD.cls();
+        myLCD.set_font((unsigned char*) Arial24x23);
+        myLCD.locate(2,10);
+        myLCD.printf("Scrolling");
+        myLCD.rect(0,0,myLCD.width()-1,myLCD.height()-1,White);
+        myLCD.rect(1,1,myLCD.width()-2,myLCD.height()-2,Blue);
+        myLCD.setscrollarea(0,myLCD.sizeY());
+        ThisThread::sleep_for(1000);
+        myLCD.scroll(1); //up 1
+        ThisThread::sleep_for(1000);
+        myLCD.scroll(0); //center
+        ThisThread::sleep_for(1000);
+        myLCD.scroll(myLCD.sizeY()-1); //down 1
+        ThisThread::sleep_for(1000);
+        myLCD.scroll(myLCD.sizeY()); // same as 0, center
+        ThisThread::sleep_for(1000);
+        myLCD.scroll(myLCD.sizeY()>>1); // half screen
+        ThisThread::sleep_for(1000);
+        myLCD.scrollreset(); // center
+        ThisThread::sleep_for(1000);
+        for(unsigned short i=1; i<=myLCD.sizeY(); i++) {
+            myLCD.scroll(i);
+            ThisThread::sleep_for(2);
+        }
+        ThisThread::sleep_for(2000);
+        // color inversion
+        for(unsigned short i=0; i<=8; i++) {
+            myLCD.invert(i&1);
+            ThisThread::sleep_for(200);
+        }
+        ThisThread::sleep_for(2000);
+    }
+}
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