Bob Stone / Mbed 2 deprecated Mandelbrot

Mandelbrot viewer for SPI TFT touchscreen

Dependencies:   SPI_TFT TFT_fonts Touch_tft mbed

/media/uploads/RorschachUK/_scaled_p4130004.jpg

A Mandelbrot viewer for Mikroelektronika's "TFT-Proto" 2.8" 320x240 TFT touch panel, which is a pretty inexpensive screen.

I used Peter Drescher's library for it - http://mbed.org/cookbook/SPI-driven-QVGA-TFT and also used his wiring diagram to make an adapter.

Files at this revision

API Documentation at this revision

Revision 1:a9641f372bea, committed 2013-04-17

Comitter:
RorschachUK
Date:
Wed Apr 17 18:14:12 2013 +0000
Parent:
0:a954bd7fd162
Commit message:
Added a preview rectangle and corrected a calculation.

Changed in this revision

main.cpp Show annotated file Show diff for this revision Revisions of this file 
diff -r a954bd7fd162 -r a9641f372bea main.cpp
--- a/main.cpp	Sat Apr 13 19:27:43 2013 +0000
+++ b/main.cpp	Wed Apr 17 18:14:12 2013 +0000
@@ -100,7 +100,8 @@
         //Set new centre and zoom
         p = tt.to_pixel(p);
         centrex += (2.0 * p.x - WIDTH) / (zoom * WIDTH);
-        centrey += (2.0 * p.y - HEIGHT) / (zoom * HEIGHT);
+        centrey += (2.0 * p.y - HEIGHT) / (zoom * WIDTH);
         zoom *= 4.0;
+        tt.rect(p.x - WIDTH / 8.0, p.y - HEIGHT / 8.0, p.x + WIDTH / 8.0, p.y + HEIGHT / 8.0, Yellow);  
     }
 }
\ No newline at end of file