Just_st7735r_display.py

gistfile1.txt

# st7735r_display_160x128.py
import board
import displayio
import busio
import pwmio
import terminalio
from adafruit_display_text import label
import adafruit_st7735r

displayio.release_displays()

# SPI setup (SPI0)
spi = busio.SPI(clock=board.GP2, MOSI=board.GP3)

# PWM Backlight
backlight = pwmio.PWMOut(board.GP9, frequency=5000, duty_cycle=65535)

# Display bus using ST7735R wiring
display_bus = displayio.FourWire(
    spi,
    command=board.GP6,        # DC
    chip_select=board.GP7,    # CS
    reset=board.GP8           # RST
)

# THE CRUCIAL LINE (use ST7735R, native portrait, rotate into landscape)
display = adafruit_st7735r.ST7735R(
    display_bus,
    width=160,
    height=128,
    bgr=True,
    rotation=90,
    colstart=0,
    rowstart=0
)


# Root group
splash = displayio.Group()
display.root_group = splash

# Background fill
bg_bitmap = displayio.Bitmap(160, 128, 1)
bg_palette = displayio.Palette(1)
bg_palette[0] = 0x0033FF  # Blue

bg = displayio.TileGrid(bg_bitmap, pixel_shader=bg_palette)
splash.append(bg)

# Text label
text_group = displayio.Group(scale=2, x=20, y=70)
text = label.Label(terminalio.FONT, text="Make Awesome!!", color=0xFFFF00)
text_group.append(text)
splash.append(text_group)

while True:
    pass