Hello World example for the RP2040 1.28-inch TFT display watch board

hello_world.py

"""
    "Hello World!"

    For https://www.tindie.com/products/adz1122/pi-pico-rp2040-128-inch-tft-display-watch-board/
    Using GC9A01 Display Driver for MicroPython (https://github.com/russhughes/gc9a01_mpy)

    DISPLAY
    =======
    
    Pin       
    ---        
    GP13       Backlight (BL)
    GP12       Reset (RST)
    GP8        Data/Command (DC)
    GP9        Chip Select (CS)
    GP10       Clock (CLK)
    GP11       MOSI/DIN
    
    SWITCH
    ======
    
    Pin       
    ---
    GP17      Switch 1 (S1)
    GP18      Switch 2 (S2)
    ????      Pressing S3 appears to crash the code?
    
    GYRO
    ====
    
    This is a QMIC88658
    See https://datasheet.lcsc.com/lcsc/2108161930_QST-QMI8658C_C2842151.pdf
    
    Connected to I2C1 on the default pins
    
    Pin       
    ===
    GP7      SCL
    GP8      SDA
    
"""
from machine import Pin, SPI, I2C
import time
import gc9a01
import vga1_bold_16x32 as font

fg = gc9a01.color565( 255, 255, 255)
bg = gc9a01.color565( 0, 0, 0 )

spi = SPI(1, baudrate=60000000, sck = Pin(10), mosi = Pin(11))
tft = gc9a01.GC9A01(spi, 240, 240, reset = Pin(12, Pin.OUT), cs = Pin(9, Pin.OUT),
                    dc = Pin(8, Pin.OUT), backlight = Pin(13, Pin.OUT), rotation = 0)
tft.init()

tft.rotation(0)
tft.fill(0)
col_max = tft.width() - font.WIDTH*6
row_max = tft.height() - font.HEIGHT

tft.text(font, "Hello!", int(col_max/2), int(row_max/2), fg, bg )
    
button17 = machine.Pin(17, machine.Pin.IN, machine.Pin.PULL_UP)
button18 = machine.Pin(18, machine.Pin.IN, machine.Pin.PULL_UP)

i2c = I2C(1)
addr = i2c.scan()
print( "I2C = ", addr )

while True:
    print("button17 = ", button17.value())
    print("button18 = ", button18.value())
    print(" ") 

    time.sleep(2.0)

FYI https://github.com/russhughes/gc9a01_mpy/blob/main/firmware/RP2/firmware.uf2 is Micropython v1.19.1 with the driver built in.
Just download it and copy it to the Pico drive you see when powering on with the 'boot' button pressed.