#!/usr/bin/env python # -*- coding:utf-8 -*- from PIL import Image,ImageDraw,ImageFont #引入图片处理库 import os,sys,re,json,time,datetime #引入系统相关库 from borax.calendars.lunardate import LunarDate #农历日期以及天干地支纪年法的 Python 库 import logging #日志库 import subprocess import os from threading import Timer import requests white = 255 #颜色 black = 0 logging.basicConfig(level=logging.INFO) ################################引入配置文件开始################################################ 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) # 将引入文件添加到环境变量 from waveshare_epd import epd2in13_V4 # 引入墨水屏驱动文件 logging.debug("Loading Fonts") font01 = ImageFont.truetype(os.path.join(picdir, 'Font.ttc'), 20) # 字体文件 font02 = ImageFont.truetype(os.path.join(picdir, 'Font.ttc'), 15) # 字体文件 font03 = ImageFont.truetype(os.path.join(picdir, 'DSEG7Modern-Bold.ttf'), 66) # 字体文件 font04 = ImageFont.truetype(os.path.join(picdir, 'Font.ttc'), 10) # 字体文件 font05 = ImageFont.truetype(os.path.join(picdir, 'Font.ttc'), 12) # 字体文件 font06 = ImageFont.truetype(os.path.join(picdir, 'Font.ttc'), 13) # 字体文件 ################################引入配置文件结束################################################ def Local_strong_brush(): # 局部强制刷新显示 i = 0 while i < 5: epd.displayPartial(epd.getbuffer(info_image.rotate(180))) # 局刷开始 i += 1 def get_date(): # 返回当前年月日及星期几 date = datetime.datetime.now() today = LunarDate.today() week_day_dict = {0: '星期一', 1: '星期二', 2: '星期三', 3: '星期四', 4: '星期五', 5: '星期六', 6: '星期日'} day = date.weekday() return time.strftime('%Y年%m月%d日') + '' + week_day_dict[day] + '' + today.strftime('农历%M月%D') # 定义一个全局标志变量，用于检查是否已经设置了系统时间或尝试过设置 has_set_system_time = False def set_system_time_from_hwclock(utc=True): """Set the system time from the hardware clock. Args: utc (bool): Whether the RTC is in UTC. Default is True. """ try: # 记录调用 hwclock 前的时间 before_time = datetime.datetime.now() logging.debug(f"System time before hwclock call: {before_time}") # 构造 hwclock 命令及其参数 hwclock_args = ['sudo', 'hwclock', '--hctosys'] if not utc: hwclock_args.append('--localtime') logging.debug(f"Executing hwclock command: {' '.join(hwclock_args)}") # 使用 subprocess.run 执行 hwclock --hctosys 并捕获输出 result = subprocess.run(hwclock_args, check=True, # 如果命令失败，则抛出 CalledProcessError 异常 stdout=subprocess.PIPE, stderr=subprocess.PIPE, text=True) # 等待一小段时间以确保时间更新完成 time.sleep(0.1) # 根据需要调整 # 记录调用 hwclock 后的时间 after_time = datetime.datetime.now() logging.debug("System time successfully set from hardware clock.") logging.debug(f"System time after hwclock call: {after_time}") # 检查时间是否发生了倒退 if after_time < before_time: logging.info(f"Time went backwards after hwclock call: before={before_time}, after={after_time}") return True except subprocess.CalledProcessError as e: logging.error(f"Failed to set system time from hardware clock: {e.stderr}") return False except Exception as e: logging.error(f"An unexpected error occurred: {str(e)}") return False def get_time(): global has_set_system_time if not has_set_system_time: # 尝试从硬件时钟设置系统时间，默认假设 RTC 是 UTC success = set_system_time_from_hwclock(utc=True) # 无论成功与否，都更新标志变量以避免重复尝试 has_set_system_time = True # 获取并返回当前时间，格式为 HH:MM 大写 current_time = time.strftime('%H:%M').upper() logging.debug(f"Returning current time: {current_time}") return current_time def Get_address(): # 获取当前的IP地址 return subprocess.check_output(u"hostname -I | cut -d' ' -f1 | head --bytes -1", shell=True).decode('gbk').strip() def CPU_temperature(): # CPU温度获取 temperatura = os.popen('vcgencmd measure_temp').readline() temperatura = temperatura.replace('temp=', '').strip() return str(temperatura) def Memory_footprint(): # 显示内存占用百分比 return subprocess.check_output(u"free -m | awk -F '[ :]+' 'NR==2{printf \"%d\", ($3)/$2*100}'", shell=True).decode('gbk') def CPU_usage(): # 显示CPU占用百分比 return str(int(float(os.popen("top -b -n1 | awk '/Cpu\(s\):/ {print $2}'").readline().strip()))) def power_battery(): # 获取当前电池电量 return str(int(subprocess.check_output(u"echo \"get battery\" | nc -q 0 127.0.0.1 8423|awk -F':' '{print int($2)}'", shell=True).decode('gbk'))) + u'%' # 打印电量信息 print(power_battery()) def Bottom_edge(): # 在图片中添加底边内容 draw.rectangle((0, 105, 250, 122), 'black', 'black') '''电池图标画图''' draw.line((126, 109, 154, 109), fill=255, width=1) # 电池顶边 draw.line((126, 110, 126, 119), fill=255, width=1) # 电池左边 draw.line((127, 119, 154, 119), fill=255, width=1) # 电池下边 draw.line((154, 110, 154, 118), fill=255, width=1) draw.line((155, 112, 157, 112), fill=255, width=1) draw.line((155, 116, 157, 116), fill=255, width=1) draw.line((157, 113, 157, 115), fill=255, width=1) global power_str power_str = power_battery() draw.text((128, 108), power_str, font=font04, fill=255) # 显示当前电量百分比 '''电池图标画图''' draw.ellipse((192, 107, 207, 120), 0, 255) # 时钟图标 draw.line((199, 109, 199, 114), fill=255, width=1) draw.line((200, 114, 204, 114), fill=255, width=1) global local_addr # 获取当前IP地址 local_addr = Get_address() # 获取当前IP地址 draw.text((10, 107), "IP:" + local_addr, font=font05, fill=255) # 显示当前IP地址 def Basic_refresh(): # 全刷函数 logging.info("Refresh and prepare the basic content before starting the canvas") # 开始画布前刷新准备基础内容 global get_date_var get_date_var = get_date() # 记录开始数据 draw.text((2, 2), get_date_var, font=font02, fill=0) # 将日期及星期几显示到屏幕 global local_time local_time = get_time() draw.text((5, 28), local_time, font=font03, fill=0) # 显示当前时间 Bottom_edge() # 添加底边内容 epd.display(epd.getbuffer(info_image.rotate(180))) def Partial_full_brush(): # 局部定时全刷函数 Basic_refresh() # 全局刷新 logging.debug("局部定时全局刷新") epd.init() def Partial_refresh(): # 局刷函数 logging.info( "Partial content update, this update is recommended to be synchronized with the minute to save the life of the ink screen") # 局部内容更新,此更新建议与分钟同步,以节省墨水屏寿命 epd.displayPartBaseImage(epd.getbuffer(info_image.rotate(180))) epd.init() while True: global local_time local_time1 = get_time() if local_time1 != local_time: draw.rectangle((5, 28, 133, 95), fill=255) # 时间局刷区域 draw.text((5, 28), local_time1, font=font03, fill=0) # 刷新当前时间 local_time = local_time1 Local_strong_brush() # 局部强刷 get_date_var1 = get_date() # 局刷判断,如果时间与前一次不一致说明内容变化,需要刷新显示 global get_date_var # 再次声明这个是全局变量 if get_date_var1 != get_date_var: draw.rectangle((2, 2, 250, 16), fill=255) # 设置头部刷新区域 draw.text((2, 2), get_date_var1, font=font02, fill=0) # 将日期及星期几刷新显示到屏幕 get_date_var = get_date_var1 # 将更新的值保存到初始变量,直到下一次变化时执行该刷新操作 logging.debug("头部日期部位发生刷新变化.") Local_strong_brush() # 局部强刷 global local_addr # 当前IP地址 local_addr1 = Get_address() if local_addr1 != local_addr: draw.rectangle((1, 107, 94, 120), fill=0) # 设置头部刷新区域 draw.text((10, 107), "IP:" + local_addr1, font=font05, fill=255) # 显示当前IP地址 local_addr = local_addr1 Local_strong_brush() # 局部强刷 # 显示当前电量百分比 global power_str power_str1 = power_battery() power_str = power_str1 Local_strong_brush() # 局部强刷 retry_interval = 180 # 设置重试间隔时间（秒） while True: try: ##################屏幕初始化######################### epd = epd2in13_V4.EPD() #初始化 epd.init()#设定屏幕刷新模式 #epd.Clear(0xFF) #清除屏幕内容 ##################屏幕初始化######################### logging.info("Width = %s, Height = %s", format(epd.width), format(epd.height)) #打印屏幕高度及宽度 logging.info("初始化并清空显示屏")#屏幕开始准备相关展示 info_image = Image.new('1', (epd.height, epd.width), 255) #画布创建准备 draw = ImageDraw.Draw(info_image) Basic_refresh() #全局刷新 Partial_refresh() #局部刷新 epd.init() epd.Clear(0xFF) epd.sleep() time.sleep(300) break # 如果脚本执行成功，则退出循环 except (OSError, Exception) as e: # 捕获你提到的异常 logging.error("发生了错误: %s", e) time.sleep(retry_interval) # 等待一段时间后重试 except KeyboardInterrupt: logging.info("检测到键盘中断，正在清理并退出") epd.init() epd.Clear(0xFF) # 清除屏幕内容 epd.sleep() # 使屏幕进入休眠状态 epd2in13_V4.epdconfig.module_exit() # 清理资源 exit() # 脚本正常结束后的清理操作 epd.init() epd.Clear(0xFF) # 清除屏幕内容 epd.sleep() # 使屏幕进入休眠状态 epd2in13_V4.epdconfig.module_exit() # 清理资源 exit()