基于树莓派设计的智能天气预报环境监测语音门禁系统 （毕设/课设/竞赛/实训/项目开发）

# -*- coding: utf-8 -*- import thread # 显示屏 from datetime import * import time import Adafruit_GPIO.SPI as SPI import Adafruit_SSD1306 import Image import ImageDraw import ImageFont import os import unicodedata import traceback # 加载库文件 import sys sys.path.append(os.path.split(os.path.realpath(__file__))[0] + "/Adafruit_BMP085") # 标准化编码 reload(sys) sys.setdefaultencoding("utf-8") # 温度，气压 from Adafruit_BMP085 import BMP085 # 温度，湿度 import Adafruit_DHT import Adafruit_DHT.Raspberry_Pi_2 as platform # PM2.5 import ZhyuIoT_GP2Y10 import ZhyuIoT_GP2Y10.Raspberry_Pi as gp2y10 # 发音单元 sys.path.append(os.path.split(os.path.realpath(__file__))[0] + "/Web_TTS") from Web_TTS import TTS # LED 控制单元 sys.path.append(os.path.split(os.path.realpath(__file__))[0] + "/RGB_LED") from RGB_LED import RGBLED # 思科 路由器状态 sys.path.append(os.path.split(os.path.realpath(__file__))[0] + "/CISCO_Smart") from CISCO_Smart import CISCO # 彩云天气 sys.path.append(os.path.split(os.path.realpath(__file__))[0] + "/Caiyun_APP") from CAIYUN import CAIYUN # 按钮操作 import RPi.GPIO as GPIO # 初始化语音引擎 tts = TTS() chinese_week = ["周一", "周二", "周三", "周四", "周五", "周六", "周日"] # 初始化 led 控制单元 led = RGBLED(26, 13, 19) # 初始化思科单元 cicso_smart = CISCO() # 初始化彩云天气 caiyun = CAIYUN() lonlat = '116.7261,23.3778' # 地理坐标 '120.1829,30.2435' # caiyun_text = '' # 初始化继电器 针脚定义 GPIO_RELAY = 21 # 0.96 oled spi 显示屏 针脚定义 RST = 17 DC = 27 SPI_PORT = 0 SPI_DEVICE = 0 # bmp085 参数定义 bmp = BMP085(0x77) # AM2302 参数定义 sensor = Adafruit_DHT.DHT22 pin = 4 # 全局变量 传感器参数 humidity = 0.0 density = 0.0 temp = 0.0 pressure = 0.0 attemp_DHT = datetime(1900, 1, 1) attemp_GP2Y10 = datetime(1900, 1, 1) # 退出线程标志 thread_run = True # 整点报时标志 attemp_hour = -1 # 按时间段控制播报音量 # 晚上 10 点 - 早上 8 点前，播报音量 30%；白天音量大 def volume_with_time(): time_hour = datetime.now().hour if ((time_hour < 8) or (time_hour > 22)): return -25 else: return 10 def cleanup(): # 释放资源，不然下次运行是可能会收到警告 print('clean up') GPIO.cleanup() def load_sensor(): global attemp_DHT, attemp_GP2Y10 global humidity, density, temp, pressure time_now = datetime.now() # 每 2 秒读一次 # 读取 dht 湿度，温度；bmp085 温度，气压 if (time_now - attemp_DHT).seconds > 10: attemp_DHT = time_now # humidity, temperature = Adafruit_DHT.read_retry(sensor, pin) # 时间间隔两秒 # adafruit dht 库有问题，反复执行 pi_version 函数，open('/proc/cpuinfo', 'r') 会导致出错 humidity, temperature = Adafruit_DHT.read_retry(sensor, pin, 15, 2, platform) # 时间间隔两秒 temp = (bmp.readTemperature() + temperature) / 2 pressure = bmp.readPressure() # 读取 pm2.5浓度，每 5 秒读一次 if (time_now - attemp_GP2Y10).seconds > 30: attemp_GP2Y10 = time_now density = ZhyuIoT_GP2Y10.read(ZhyuIoT_GP2Y10.GP2Y1051A, 5, gp2y10) # if density is None: attemp = 1 ATTEMPS = 5 def start_sensor(): while thread_run: try: load_sensor() except: print "sensor except: ", traceback.print_exc() time.sleep(1) # 读取传感器参数线程 def thread_sensor(): thread.start_new_thread(start_sensor, ()) # 128x64 display with hardware SPI: disp = Adafruit_SSD1306.SSD1306_128_64(rst=RST, dc=DC, spi=SPI.SpiDev(SPI_PORT, SPI_DEVICE, max_speed_hz=8000000)) # Initialize library. disp.begin() # Clear display. disp.clear() # 显示内容 # Create blank image for drawing. # Make sure to create image with mode '1' for 1-bit color. width = disp.width height = disp.height image = Image.new('1', (width, height)) # Get drawing object to draw on image. draw = ImageDraw.Draw(image) # Load default font. font = ImageFont.truetype(os.path.split(os.path.realpath(__file__))[0] + "/simsun.ttf", 12) # OLED 显示 def oled_display(): global humidity, temperature, density, temp, pressure global attemp_hour global cisco_text, cisco_time global caiyun_text datetime_now = datetime.now() padding = 0 top = 0 left = 0 # Clear image buffer by drawing a black filled box. draw.rectangle((0,0,width,height), outline=0, fill=0) if (datetime_now - cisco_time).seconds < 20: # 显示路由器提示信息 today = cisco_text today = unicode(today, 'UTF-8') else: # 显示时间 today = datetime_now.strftime('%m月%d日 %H:%M:%S') + " " + chinese_week[datetime_now.weekday()] today = unicode(today, 'UTF-8') # 显示天气 if len(caiyun_text) > 0: today += " " + unicode(caiyun_text, 'UTF-8') + "\n\n" txt = today # 计算文本长度，实现滚动跑马字 font_width, font_height = font.getsize(txt) # 文字小于 128 像素，无需执行跑马灯 if font_width < width: draw.text((left, top), txt, font=font, fill=255) else: txt += txt text_left = int((time.time() * 35) % font_width) draw.text((-text_left, top), txt, font=font, fill=255) top = top + 16 txt = unicode("温度：%.1f ℃" % temp, "UTF-8") draw.text((left, top), txt, font=font, fill=255) top = top + 16 txt = unicode("湿度：%.1f %%" % humidity, "UTF-8") draw.text((left, top), txt, font=font, fill=255) top = top + 16 txt = unicode("PM2.5：%.1f ug/m³" % density, "UTF-8") draw.text((left, top), txt, font=font, fill=255) # Display image. disp.image(image) disp.display() if attemp_hour != datetime_now.hour: attemp_hour = datetime_now.hour txt = '现在时间 %s %s，%s, 温度%.1f摄氏度，湿度百分之%.1f ，气压%.1f帕，PM2.5浓度%.1f微克每立方米' % (datetime.now().strftime('%H:%M'), chinese_week[datetime.now().weekday()], caiyun_text, temp, humidity, (pressure / 100.0), density) print datetime.now().strftime('%H:%M:%S >> ') + txt tts.raspberryTalk(txt, volume_with_time()) def start_oled(): while thread_run: try: oled_display() except: print "oled except: ",traceback.print_exc() time.sleep(0.1) # 读取传感器参数线程 def thread_oled(): thread.start_new_thread(start_oled, ()) def start_led(): while thread_run: try: #led.test(8, 0.008) led.breath(1, 0.012) except: print "led except: ", traceback.print_exc() time.sleep(0.5) # 读取传感器参数线程 def thread_led(): thread.start_new_thread(start_led, ()) # 路由状态提示 cisco_text = "" cisco_time = datetime(1900, 1, 1) # 处理在线用户状态 def cisco_callback(friendlyName, userDeviceName, new_status): global cisco_text, cisco_time friendlyName = friendlyName.replace('android-', '').replace('iphone-', '') print friendlyName, userDeviceName, new_status # 开门，提示灯，声音提示 if new_status == 1: # 执行开门 if userDeviceName == True: # 定制用户，红灯提醒 led.setLight(0xff0000, 20) txt = "注意：" + friendlyName + " 来了" else: # 普通用户，蓝灯提醒 led.setLight(0x0000ff, 20) txt = friendlyName + " 来了" # 执行开门操作，继电器闭合 GPIO.setup(GPIO_RELAY, GPIO.OUT) elif new_status == 0: # 用户走了，绿灯提习惯 led.setLight(0x00ff00, 20) txt = friendlyName + " 走了" # 屏幕提示 cisco_text = txt cisco_time = datetime.now() # 语音提示 print datetime.now().strftime('%H:%M:%S >> ') + txt tts.raspberryTalk(txt, volume_with_time()) # 继电器停止 GPIO.setup(GPIO_RELAY, GPIO.IN) def start_cisco(): while thread_run: try: cicso_smart.online_devices(cisco_callback) except: print "cisco except: ", traceback.print_exc() time.sleep(1) # 读取路由器在线 def thread_cisco(): thread.start_new_thread(start_cisco, ()) def get_caiyun(): global caiyun_text, l