プログラミング | 近未来！透明ディスプレイ ラズパイ セットアップ方法 透明OLEDモジュール

#!/usr/bin/python
# -*- coding:utf-8 -*-

import sys
import os
picdir = os.path.join(os.path.dirname(os.path.dirname(os.path.realpath(__file__))), 'pic')
libdir = os.path.join(os.path.dirname(os.path.dirname(os.path.realpath(__file__))), 'lib')
if os.path.exists(libdir):
    sys.path.append(libdir)

# for OLED.
import logging    
import time
import traceback
from waveshare_OLED import OLED_1in51
from PIL import Image,ImageDraw,ImageFont
logging.basicConfig(level=logging.DEBUG)
# for DeviceInfo.
import subprocess
from datetime import datetime

# シェルコマンドを実行する関数
def run_shell_command(command_str):
    proc = subprocess.run(command_str, shell=True, stdin=subprocess.PIPE, stdout=subprocess.PIPE, text=True)
    result = proc.stdout.split("=")
    return result[1].replace('\n', '')

try:
    disp = OLED_1in51.OLED_1in51()

    # Initialize library.
    disp.Init()
    disp.clear()
    
    # disp LOGO.
    image_logo = Image.new('1', (disp.width, disp.height), 255)
    bmp = Image.open(os.path.join(picdir, 'logo.bmp'))
    image_logo.paste(bmp, (0,0))
    image_logo=image_logo.rotate(180)
    disp.ShowImage(disp.getbuffer(image_logo)) 
    time.sleep(2)    
    
    # font.
    font1 = ImageFont.truetype(os.path.join(picdir, 'Font.ttc'), 14)
    # disp Device Infomation.
    while True:
        devinfo = Image.new('1', (disp.width, disp.height), "WHITE")
        draw = ImageDraw.Draw(devinfo)
        draw.line([(0,0),(127,0)], fill = 0)
        draw.line([(0,0),(0,63)], fill = 0)
        draw.line([(0,63),(127,63)], fill = 0)
        draw.line([(127,0),(127,63)], fill = 0)
        # Get Device Information.
        temp       = run_shell_command("vcgencmd measure_temp")    # CPU温度
        memory_cpu = run_shell_command("vcgencmd get_mem arm")     # CPUのメモリ使用量
        volts      = run_shell_command("vcgencmd measure_volts")   # CPU電圧
        draw.text((20,2), temp, font = font1, fill = 0)
        draw.text((20,22), memory_cpu, font = font1, fill = 0)
        draw.text((20,44), volts, font = font1, fill = 0)
        devinfo = devinfo.rotate(180)
        disp.ShowImage(disp.getbuffer(devinfo))
        time.sleep(1)

except IOError as e:
    logging.info(e)
    
except KeyboardInterrupt:    
    logging.info("ctrl + c:")
    OLED_1in51.config.module_exit()
    exit()