"""
ESP32-DevKitC V4/MicroPython exercise
240x240 ST7789 SPI LCD
using MicroPython library:
https://github.com/russhughes/st7789py_mpy

"""

import uos
from machine import Pin, SoftSPI ,SPI
import st7789py as st7789


"""
ST7789 Display  ESP32-DevKitC (SPI2)
SCL (SCK)       GPIO18
SDA (MOSI)      GPIO23
                GPIO19  (miso not used)
ST7789_rst      GPIO5
ST7789_dc       GPIO4

lines.py

    Draws lines and rectangles in random colors at random locations on the
    display.

"""
import random
from machine import Pin, SoftSPI ,SPI
import st7789py as st7789

# SCK 18
# MOSI 23
# MISO NC
# LED NC
# BACKLIGHT NC

def main():
    spi = SPI(0,
        baudrate=20000000,
        polarity=1,
        phase=0,
        sck=Pin(18),
        mosi=Pin(23),
        miso=Pin(0))

    tft = st7789.ST7789(
        spi,
        240,
        240,
        reset=Pin(5, Pin.OUT),
        cs=Pin(15, Pin.OUT),
        dc=Pin(4, Pin.OUT),
        backlight=Pin(0, Pin.OUT),
        rotation=1)

    tft.fill(st7789.RED)
    tft.rect(40, 10, 120, 100, st7789.WHITE)



main()