Adding PNG lib and tweaking the SPI speed≈

Author: jeremypoulter

platformio.ini

@@ -107,6 +107,7 @@ neopixel_lib = adafruit/Adafruit [email protected]
 gfx_display_libs =
 #  lvgl/[email protected]
   bodmer/TFT_eSPI@^2.5.31
+  bitbank2/PNGdec@^1.0.1
   SPI
 
 gfx_display_build_flags =
@@ -131,7 +132,14 @@ gfx_display_build_flags =
   -D LOAD_FONT7
   -D LOAD_FONT8
   -D LOAD_GFXFF
-  -D SPI_FREQUENCY=15999999
+  -D SMOOTH_FONT
+#  -D SPI_FREQUENCY=15999999
+#  -D SPI_FREQUENCY=20000000
+#  -D SPI_FREQUENCY=27000000
+  -D SPI_FREQUENCY=40000000
+#  -D SPI_FREQUENCY=55000000
+#  -D SPI_FREQUENCY=65000000
+#  -D SPI_FREQUENCY=80000000
   -D SPI_READ_FREQUENCY=20000000
   -D SPI_TOUCH_FREQUENCY=600000
   -D ENABLE_SCREEN_LCD_TFT