def inputValue():
try:
#sensor
dust = PMS7003()
# Baud Rate
Speed = 9600
# UART / USB Serial
USB0 = '/dev/ttyUSB0'
UART = '/dev/ttyAMA0'
# USE PORT
SERIAL_PORT = USB0
#serial setting
ser = serial.Serial(SERIAL_PORT, Speed, timeout=1)
buffer = ser.read(1024)
if (dust.protocol_chk(buffer)):
data = dust.unpack_data(buffer)
pm10 = data[dust.DUST_PM10_0_ATM]
pm2_5 = data[dust.DUST_PM2_5_ATM]
# if pm10 >= 151 or pm2_5 >= 76:
# setMsg = 2 #매우나쁨 빨강
# elif pm10 >= 81 or pm2_5 >= 36:
# setMsg = 1 #나쁨 노랑
# else:
# setMsg = 0 #좋음 초록
if pm10 >= 25 or pm2_5 >= 20:
situation = 3 #매우나쁨 빨강
elif pm10 >= 21 or pm2_5 >= 15:
situation = 2 #나쁨 노랑
elif pm10 >= 17 or pm2_5 >= 10:
situation = 1 #좋음 초록
else:
situation = 0 #꺼짐
else:
print("data read Err")
situation = -1
pm2_5 = -1
pm10 = -1
setMsg = [1, situation, -1, pm2_5, pm10]
return setMsg
except:
GPIO.output(red, 1)
GPIO.output(green, 1)
GPIO.output(blue, 1)
GPIO.output(POWER, 0)
# GPIO.cleanup()
finally:
ser.close()
DUST_AIR_1_0 = indicates the number of particles with diameter beyond 1.0 um in 0.1 L of air. DUST_AIR_2_5 = indicates the number of particles with diameter beyond 2.5 um in 0.1 L of air. DUST_AIR_5_0 = indicates the number of particles with diameter beyond 5.0 um in 0.1 L of air. DUST_AIR_10_0 = indicates the number of particles with diameter beyond 10 um in 0.1 L of air. RESERVEDF = Data13 Reserved high 8 bits RESERVEDB = Data13 Reserved low 8 bits CHECKSUM = Checksum code # CF=1 should be used in the factory environment """ import serial from PMS7003 import PMS7003 from datetime import datetime dust = PMS7003() # Baud Rate Speed = 9600 # UART / USB Serial USB0 = '/dev/ttyUSB0' UART = '/dev/ttyAMA0' # USE PORT SERIAL_PORT = USB0 #serial setting ser = serial.Serial(SERIAL_PORT, Speed, timeout=1) from datetime import datetime import time
from threading import Thread import time import serial from PMS7003 import PMS7003 import RPi.GPIO as GPIO import lcd_i2c as lcd from configparser import ConfigParser # 전원 power_state = 0 powersw = Button(26) # 팬 버튼 24핀 fansw = Button(24) #먼지센서 오브젝트 dustlib = PMS7003() # 시리얼 Speed = 9600 SERIAL_PORT = '/dev/ttyUSB0' # 팬 조절 fan_pwm = PWMOutputDevice(12) fan_pin1 = DigitalOutputDevice(5) fan_pin2 = DigitalOutputDevice(6) ON = 1 OFF = 0 # 팬속 FULL = 1.0 MID = 0.65 SLOW = 0.3