ST7735S on Raspberry Pi

st7735s-pi.py

# Connections:
# LED-K : GND
# LED-A : GPIO2
# RESET : GPIO25
# DCX : GPIO24
# SDA : GPIO10
# SCL : GPIO11
# VDDI : 3.3V
# VDD : 3.3V
# CS :  GPIO8
# GND : GND
#
from PIL import Image
from PIL import ImageDraw
from PIL import ImageFont
import time
from random import choice
import textwrap

from subprocess import check_output

import ST7735

speed = 18000000
disp = ST7735.ST7735(port=0, cs=0, dc=24, backlight=2, rst=25, width=128, height=160, rotation=90, invert=False, spi_speed_hz=speed)

WIDTH = disp.width
HEIGHT = disp.height

font = ImageFont.truetype("LiberationMono-Regular.ttf", 12, encoding="unic")  # 设置字体
img = Image.new('RGB', (disp.width, disp.height), 'black')
draw = ImageDraw.Draw(img)
# font = ImageFont.truetype("DejaVuSans.ttf", 12, encoding="UNIX")  # 设置字体
# font = ImageFont.truetype("wqy-microhei.ttc", 12, encoding="unic")  # 设置字体


# img = Image.open('/home/pi/img.jpg')

def text(x, y, text, color, font=font):
    draw.text((x, y), text, color, font)

def show():
    disp.display(img)

def reset():
    disp.reset()

def blank(color='black'):
    draw.rectangle((0, 0, WIDTH, HEIGHT), fill=color)

def show_quote():
    text = check_output(['fortune']).decode('utf8')
    img = Image.new('RGB', (disp.width, disp.height), 'black')
    draw = ImageDraw.Draw(img)
    color = choice(['white', 'green', 'yellow', 'cyan'])
    y = 0
    for line in text.splitlines():
        for seg in textwrap.wrap(line, width=24):
            (t_width, t_height) = font.getsize(seg)
            print(f'seg size {t_width} / {t_height}')
            draw.text((0, y), seg, color, font)
            y += 16
    disp.display(img)