#!/usr/bin/env python
# -*- coding:utf-8 -*-
import sys
import DHTreader
DHT11 = 11
DHT22 = 22
AM2302 = 22
DHTreader.init()
if len(sys.argv) != 3:
print("usage: {0} [11|22|2302] GPIOpin#".format(sys.argv[0]))
print("example: {0} 2302 Read from an AM2302 connected to GPIO #4".format(sys.argv[0]))
sys.exit(2)
dev_type = None
if sys.argv[1] == "11":
dev_type = DHT11
elif sys.argv[1] == "22":
dev_type = DHT22
elif sys.argv[1] == "2302":
dev_type = AM2302
else:
print("invalid type, only 11, 22 and 2302 are supported for now!")
sys.exit(3)
DHTpin = int(sys.argv[2])
if DHTpin <= 0:
if DHT:
DHT = DHT[0]
typeDHT = int(DHT[0])
pinDHT = int(DHT[1])
if typeDHT not in [11, 22, 2302]:
print("invalid type, only DHT11, DHT22 and AM2302 are supported.")
sys.exit(3)
if pinDHT <= 0 | pinDHT > 40:
print("invalid GPIO pin#")
sys.exit(3)
print("Detect on wiringPi PIN #{0} for DHT sensor".format(pinDHT))
DHTreader.init()
Addons["DHTreader"] = True
if AD and Addons["PCF8591"]:
channel = int(AD[0])
if channel in [0, 1, 2, 3]:
value = IOboard.readPCF8591(channel)
inV = 3.3*value/255
print("I2C PCF8591: channel {0} input: {1} voltage.".format(channel, inV))
sendCmd("sensor-update readPCF8591 %.2f" % (inV))
else:
print("I2C PCF8591 should read from channel [0 | 1 | 2 | 3]")
if DA and Addons["PCF8591"]:
out = int(DA[0])
IOboard.writePCF8591(out)
