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from machine import Pin
from machine import SPI
from drivers.st7789 import ST7789_SPI
def st7789():
spi = SPI(0)
# Mode 3, maximum clock speed!
spi.init(polarity=1, phase=1, baudrate=8000000)
# Extra pins required by the driver
cs = Pin("SPI_SS2", Pin.OUT)
dc = Pin("P18", Pin.OUT)
rst = Pin("P26", Pin.OUT)
bl = Pin("P22", Pin.OUT)
tft = ST7789_SPI(240, 240, spi, cs=cs, dc=dc, res=rst)
bl.off() # active low
return tft
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