adding simpletest for tft24

Author: FoamyGuy

examples/featherwing_tft24_simpletest.py

@@ -0,0 +1,16 @@
+import board
+from adafruit_featherwing import tft_featherwing_24
+
+tft_featherwing = tft_featherwing_24.TFTFeatherWing24()
+
+f = open("/sd/tft_featherwing.txt", "w")
+f.write("Blinka\nTFT 2.4\" FeatherWing")
+f.close()
+
+f = open("/sd/tft_featherwing.txt", "r")
+print(f.read())
+f.close()
+
+while True:
+    if not tft_featherwing.touchscreen.buffer_empty:
+        print(tft_featherwing.touchscreen.read_data())