def _init_display():
# Initialize the display
# https://github.com/loboris/MicroPython_ESP32_psRAM_LoBo/wiki/display
# https://github.com/loboris/MicroPython_ESP32_psRAM_LoBo/issues/310
tft = TFT()
tft.init(tft.ST7789,
rst_pin=23,
backl_pin=4,
miso=0,
mosi=19,
clk=18,
cs=5,
dc=16,
width=235,
height=340,
backl_on=1)
# Invert colors
tft.tft_writecmd(0x21)
# Set orientation (optional)
tft.orient(tft.LANDSCAPE)
return tft
if TFT_present:
pwm = PWM(TFT_PIN_BL, freq=12000, duty=0)
tft = TFT()
tft.init(tft.ST7789,
miso=TFT_PIN_MISO,
mosi=TFT_PIN_MOSI,
clk=TFT_PIN_CLK,
cs=TFT_PIN_SS,
dc=TFT_PIN_DC,
rot=tft.PORTRAIT_FLIP,
color_bits=tft.COLOR_BITS16,
splash=False,
height=240)
tft.tft_writecmd(ST7789_INVON)
tft.clear(tft.NAVY)
tft.image(0, 0, ICON_LOGO)
width, height = tft.screensize()
tft.rect(1, 1, width - 1, height - 1, tft.WHITE)
Backlight = True
backlight(Backlight)
bl_timer = Timer(2)
bl_timer.init(period=BL_OFF_TIME,
mode=bl_timer.ONE_SHOT,
callback=bl_timer_cb)