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GroveWeatherPi.py
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#
#
# GroveWeatherPi Solar Powered Weather Station
# February 2019
#
# SwitchDoc Labs
# www.switchdoc.com
#
#
# imports
GWPVERSION = "3.17PH"
GWPDEBUG = False
import sys
import time
from datetime import datetime
import random
import re
import math
import os
import threading
import commands
import sendemail
import logging
logging.basicConfig()
import pclogging
import updateBlynk
import state
sys.path.append('./SDL_Pi_SSD1306')
sys.path.append('./Adafruit_Python_SSD1306')
sys.path.append('./RTC_SDL_DS3231')
sys.path.append('./Adafruit_Python_BMP')
sys.path.append('./Adafruit_Python_GPIO')
sys.path.append('./SDL_Pi_WeatherRack')
sys.path.append('./SDL_Pi_FRAM')
sys.path.append('./RaspberryPi-AS3935/RPi_AS3935')
sys.path.append('./SDL_Pi_INA3221')
sys.path.append('./SDL_Pi_TCA9545')
sys.path.append('./SDL_Pi_SI1145')
sys.path.append('./TSL2591')
sys.path.append('./graphs')
sys.path.append('./SDL_Pi_HDC1000')
sys.path.append('./SDL_Pi_AM2315')
import subprocess
import RPi.GPIO as GPIO
import doAllGraphs
import smbus
import struct
import SDL_Pi_HDC1000
from apscheduler.schedulers.background import BackgroundScheduler
import apscheduler.events
# Check for user imports
try:
import conflocal as config
except ImportError:
import config
if (config.enable_MySQL_Logging == True):
import MySQLdb as mdb
################
# Device Present State Variables
###############
#indicate interrupt has happened from as3936
as3935_Interrupt_Happened = False;
# set to true if you are building the Weather Board project with Lightning Sensor
config.Lightning_Mode = True
# set to true if you are building the solar powered version
config.SolarPower_Mode = True;
config.TCA9545_I2CMux_Present = False
config.SunAirPlus_Present = False
config.AS3935_Present = True
config.DS3231_Present = False
config.BMP280_Present = False
config.FRAM_Present = False
config.HTU21DF_Present = False
config.AM2315_Present = False
config.ADS1015_Present = False
config.ADS1115_Present = False
config.OLED_Present = False
config.WXLink_Present = False
config.Sunlight_Present = False
# if the WXLink has stopped transmitting, == False
config.WXLink_Data_Fresh = False
config.WXLink_LastMessageID = 0
import SDL_Pi_INA3221
import SDL_DS3231
import Adafruit_BMP.BMP280 as BMP280
import SDL_Pi_WeatherRack as SDL_Pi_WeatherRack
import SDL_Pi_FRAM
from RPi_AS3935 import RPi_AS3935
import SDL_Pi_TCA9545
import Adafruit_SSD1306
import Scroll_SSD1306
import WeatherUnderground
try:
import SDL_Pi_SI1145
import SI1145Lux
except:
print "Bad SI1145 Installation"
try:
import TSL2591
except:
print "Bad TSL2591 Installation"
def returnStatusLine(device, state):
returnString = device
if (state == True):
returnString = returnString + ": \t\tPresent"
else:
returnString = returnString + ": \t\tNot Present"
return returnString
# semaphore primitives for preventing I2C conflicts
I2C_Lock = threading.Lock()
################
# TCA9545 I2C Mux
#/*=========================================================================
# I2C ADDRESS/BITS
# -----------------------------------------------------------------------*/
TCA9545_ADDRESS = (0x73) # 1110011 (A0+A1=VDD)
#/*=========================================================================*/
#/*=========================================================================
# CONFIG REGISTER (R/W)
# -----------------------------------------------------------------------*/
TCA9545_REG_CONFIG = (0x00)
# /*---------------------------------------------------------------------*/
TCA9545_CONFIG_BUS0 = (0x01) # 1 = enable, 0 = disable
TCA9545_CONFIG_BUS1 = (0x02) # 1 = enable, 0 = disable
TCA9545_CONFIG_BUS2 = (0x04) # 1 = enable, 0 = disable
TCA9545_CONFIG_BUS3 = (0x08) # 1 = enable, 0 = disable
#/*=========================================================================*/
# I2C Mux TCA9545 Detection
try:
tca9545 = SDL_Pi_TCA9545.SDL_Pi_TCA9545(addr=TCA9545_ADDRESS, bus_enable = TCA9545_CONFIG_BUS0)
# turn I2CBus 1 on
tca9545.write_control_register(TCA9545_CONFIG_BUS2)
config.TCA9545_I2CMux_Present = True
except:
print ">>>>>>>>>>>>>>>>>>><<<<<<<<<<<"
print "TCA9545 I2C Mux Not Present"
print ">>>>>>>>>>>>>>>>>>><<<<<<<<<<<"
config.TCA9545_I2CMux_Present = False
################
# SunAirPlus Sensors
# the three channels of the INA3221 named for SunAirPlus Solar Power Controller channels (www.switchdoc.com)
LIPO_BATTERY_CHANNEL = 1
SOLAR_CELL_CHANNEL = 2
OUTPUT_CHANNEL = 3
try:
if (config.TCA9545_I2CMux_Present):
# switch to BUS2 - SunAirPlus is on Bus2
tca9545.write_control_register(TCA9545_CONFIG_BUS2)
sunAirPlus = SDL_Pi_INA3221.SDL_Pi_INA3221(addr=0x40)
busvoltage1 = sunAirPlus.getBusVoltage_V(LIPO_BATTERY_CHANNEL)
config.SunAirPlus_Present = True
except:
config.SunAirPlus_Present = False
SUNAIRLED = 25
################
# turn I2CBus 0 on
if (config.TCA9545_I2CMux_Present):
tca9545.write_control_register(TCA9545_CONFIG_BUS0)
# Check for HDC1080 first (both are on 0x40)
###############
# HDC1080 Detection
try:
hdc1080 = SDL_Pi_HDC1000.SDL_Pi_HDC1000()
deviceID = hdc1080.readDeviceID()
print "deviceID = 0x%X" % deviceID
if (deviceID == 0x1050):
config.HDC1080_Present = True
else:
config.HDC1080_Present = False
except:
config.HDC1080_Present = False
###############
# HTU21DF Detection
if (config.HDC1080_Present == True):
config.HTU21DF_Present = False
else:
try:
HTU21DFOut = subprocess.check_output(["htu21dflib/htu21dflib","-l"])
config.HTU21DF_Present = True
except:
config.HTU21DF_Present = False
###############
#WeatherRack Weather Sensors
#
# GPIO Numbering Mode GPIO.BCM
#
anemometerPin = 26
rainPin = 21
# constants
SDL_MODE_INTERNAL_AD = 0
SDL_MODE_I2C_ADS1015 = 1 # internally, the library checks for ADS1115 or ADS1015 if found
#sample mode means return immediately. THe wind speed is averaged at sampleTime or when you ask, whichever is longer
SDL_MODE_SAMPLE = 0
#Delay mode means to wait for sampleTime and the average after that time.
SDL_MODE_DELAY = 1
# turn I2CBus 0 on
if (config.TCA9545_I2CMux_Present):
tca9545.write_control_register(TCA9545_CONFIG_BUS0)
weatherStation = SDL_Pi_WeatherRack.SDL_Pi_WeatherRack(anemometerPin, rainPin, 0,0, SDL_MODE_I2C_ADS1015)
weatherStation.setWindMode(SDL_MODE_SAMPLE, 5.0)
#weatherStation.setWindMode(SDL_MODE_DELAY, 5.0)
################
# WXLink Test Setup
WXLinkResetPin = 12
def resetWXLink():
print "WXLink Reset"
pclogging.log(pclogging.INFO, __name__, "WXLink RX Reset" )
# Reset is connected to D12 on the Pi2Grover
GPIO.setup(WXLinkResetPin, GPIO.OUT)
GPIO.output(WXLinkResetPin, False)
time.sleep(0.2)
GPIO.output(WXLinkResetPin, True)
GPIO.setup(WXLinkResetPin, GPIO.IN)
time.sleep(2.0)
#resetWXLink()
WXLink = smbus.SMBus(1)
try:
data1 = WXLink.read_i2c_block_data(0x08, 0)
config.WXLink_Present = True
# OK, now export i2c to so we can determine if we need to reset WXLink
os.system("echo '3' > /sys/class/gpio/export")
except:
config.WXLink_Present = False
block1 = ""
block2 = ""
###############
# TSL2591 Sunlight Sensor Setup
################
# turn I2CBus 3 on
if (config.TCA9545_I2CMux_Present):
tca9545.write_control_register(TCA9545_CONFIG_BUS3)
try:
tsl2591 = TSL2591.Tsl2591()
int_time=TSL2591.INTEGRATIONTIME_100MS
gain=TSL2591.GAIN_LOW
tsl2591.set_gain(gain)
tsl2591.set_timing(int_time)
full, ir = tsl2591.get_full_luminosity() # read raw values (full spectrum and ir spectrum)
lux = tsl2591.calculate_lux(full, ir) # convert raw values to lux
print (lux, full, ir)
print ()
config.TSL2591_Present = True
except:
config.TSL2591_Present = False
###############
# Sunlight SI1145 Sensor Setup
################
# turn I2CBus 3 on
if (config.TCA9545_I2CMux_Present):
tca9545.write_control_register(TCA9545_CONFIG_BUS3)
try:
Sunlight_Sensor = SDL_Pi_SI1145.SDL_Pi_SI1145()
visible = Sunlight_Sensor.readVisible()
print "visible=", visible
config.Sunlight_Present = True
vis = Sunlight_Sensor.readVisible()
IR = Sunlight_Sensor.readIR()
UV = Sunlight_Sensor.readUV()
IR_Lux = SI1145Lux.SI1145_IR_to_Lux(IR)
vis_Lux = SI1145Lux.SI1145_VIS_to_Lux(vis)
uvIndex = UV / 100.0
except:
config.Sunlight_Present = False
################
# DS3231/AT24C32 Setup
# turn I2CBus 0 on
if (config.TCA9545_I2CMux_Present):
tca9545.write_control_register(TCA9545_CONFIG_BUS0)
filename = time.strftime("%Y-%m-%d%H:%M:%SRTCTest") + ".txt"
starttime = datetime.utcnow()
ds3231 = SDL_DS3231.SDL_DS3231(1, 0x68)
try:
ds3231.write_now()
ds3231.read_datetime()
#print "DS3231=\t\t%s" % ds3231.read_datetime()
config.DS3231_Present = True
#print "----------------- "
#print "----------------- "
#print " AT24C32 EEPROM"
#print "----------------- "
#print "writing first 4 addresses with random data"
for x in range(0,4):
value = random.randint(0,255)
#print "address = %i writing value=%i" % (x, value)
ds3231.write_AT24C32_byte(x, value)
#print "----------------- "
#print "reading first 4 addresses"
#for x in range(0,4):
# print "address = %i value = %i" %(x, ds3231.read_AT24C32_byte(x))
#print "----------------- "
except IOError as e:
#print "I/O error({0}): {1}".format(e.errno, e.strerror)
config.DS3231_Present = False
################
# BMP280 Setup
try:
bmp280 = BMP280.BMP280()
config.BMP280_Present = True
except IOError as e:
# print "I/O error({0}): {1}".format(e.errno, e.strerror)
config.BMP280_Present = False
################
# OLED SSD_1306 Detection
try:
RST =27
display = Adafruit_SSD1306.SSD1306_128_64(rst=RST, i2c_address=0x3C)
# Initialize library.
display.begin()
display.clear()
display.display()
config.OLED_Present = True
config.OLED_Originally_Present = True
except:
config.OLED_Originally_Present = False
config.OLED_Present = False
def initializeOLED():
try:
RST =27
display = Adafruit_SSD1306.SSD1306_128_64(rst=RST, i2c_address=0x3C)
# Initialize library.
display.begin()
display.clear()
display.display()
config.OLED_Present = True
config.OLED_Originally_Present = True
except:
config.OLED_Originally_Present = False
config.OLED_Present = False
################
def process_as3935_interrupt():
global as3935Interrupt
global as3935, as3935LastInterrupt, as3935LastDistance, as3935LastStatus
as3935Interrupt = False
print "processing Interrupt from as3935"
# turn I2CBus 1 on
if (config.TCA9545_I2CMux_Present):
tca9545.write_control_register(TCA9545_CONFIG_BUS1)
time.sleep(0.020)
reason = as3935.get_interrupt()
as3935LastInterrupt = reason
if reason == 0x00:
as3935LastStatus = "Spurious Interrupt"
if (config.USEBLYNK):
updateBlynk.blynkStatusTerminalUpdate("AS3935: Spurious Interrupt")
elif reason == 0x01:
as3935LastStatus = "Noise Floor too low. Adjusting"
if (config.USEBLYNK):
updateBlynk.blynkStatusTerminalUpdate("AS3935: Noise Floor too low - adjusted")
as3935.raise_noise_floor()
elif reason == 0x04:
as3935LastStatus = "Disturber detected - masking"
if (config.USEBLYNK):
updateBlynk.blynkStatusTerminalUpdate("AS3935: Disturber detected - masking")
as3935.set_mask_disturber(False)
elif reason == 0x08:
now = datetime.now().strftime('%H:%M:%S - %Y/%m/%d')
distance = as3935.get_distance()
as3935LastDistance = distance
as3935LastStatus = "Lightning Detected " + str(distance) + "km away. (%s)" % now
if (config.USEBLYNK):
updateBlynk.blynkEventUpdate("Lightning Detected " + str(distance) + "km away.")
updateBlynk.blynkStatusTerminalUpdate("Lightning Detected " + str(distance) + "km away.")
pclogging.log(pclogging.INFO, __name__, "Lightning Detected " + str(distance) + "km away. (%s)" % now)
sendemail.sendEmail("test", "GroveWeatherPi Lightning Detected\n", as3935LastStatus, config.textnotifyAddress, config.fromAddress, "");
# now set LED parameters
state.currentAs3935LastLightningTimeStamp = time.time()
state.currentAs3935LastDistance = as3935LastDistance
state.currentAs3935LastStatus = as3935LastStatus
state.currentAs3935Interrupt = as3935LastInterrupt
print "Last Interrupt = 0x%x: %s" % (as3935LastInterrupt, as3935LastStatus)
if (config.TCA9545_I2CMux_Present):
tca9545.write_control_register(TCA9545_CONFIG_BUS0)
time.sleep(0.003)
# ad3935 Set up Lightning Detector
if (config.Lightning_Mode == True):
as3935LastInterrupt = 0
as3935LightningCount = 0
as3935LastDistance = 0
as3935LastStatus = ""
as3935Interrupt = False
# switch to BUS1 - lightning detector is on Bus1
if (config.TCA9545_I2CMux_Present):
tca9545.write_control_register(TCA9545_CONFIG_BUS1)
as3935 = RPi_AS3935(address=0x02, bus=1)
try:
as3935.set_indoors(False)
config.AS3935_Present = True
print "as3935 present at 0x02"
#process_as3935_interrupt()
if (config.TCA9545_I2CMux_Present):
tca9545.write_control_register(TCA9545_CONFIG_BUS1)
except IOError as e:
as3935 = RPi_AS3935(address=0x03, bus=1)
try:
as3935.set_indoors(False)
config.AS3935_Present = True
#print "as3935 present"
except IOError as e:
# print "I/O error({0}): {1}".format(e.errno, e.strerror)
config.AS3935_Present = False
# back to BUS0
if (config.TCA9545_I2CMux_Present):
tca9545.write_control_register(TCA9545_CONFIG_BUS0)
if (config.AS3935_Present == True):
#i2ccommand = "sudo i2cdetect -y 1"
#output = subprocess.check_output (i2ccommand,shell=True, stderr=subprocess.STDOUT )
#print output
as3935.set_noise_floor(3)
as3935.calibrate(tun_cap=0x02)
# back to BUS0
if (config.TCA9545_I2CMux_Present):
tca9545.write_control_register(TCA9545_CONFIG_BUS0)
time.sleep(0.003)
def handle_as3935_interrupt(channel):
global as3935Interrupt
print "as3935 Interrupt"
as3935Interrupt = True
# define Interrupt Pin for AS3935
#as3935pin = 16
as3935pin = 13
#GPIO.setup(as3935pin, GPIO.IN)
GPIO.setup(as3935pin, GPIO.IN,pull_up_down=GPIO.PUD_DOWN)
GPIO.add_event_detect(as3935pin, GPIO.RISING, callback=handle_as3935_interrupt)
##############
# Setup AM2315
# turn I2CBus 0 on
if (config.TCA9545_I2CMux_Present):
tca9545.write_control_register(TCA9545_CONFIG_BUS0)
###############
# Detect AM2315
outsideHumidity = 0.0
outsideTemperature = 0.0
crc_check = -1
import AM2315
try:
am2315 = AM2315.AM2315()
outsideHumidity, outsideTemperature, crc_check = am2315.read_humidity_temperature_crc()
print "outsideTemperature: %0.1f C" % outsideTemperature
print "outsideHumidity: %0.1f %%" % outsideHumidity
state.currentOutsideTemperature = outsideTemperature
state.currentOutsideHumidity = outsideHumidity
print "crc: 0x%02x" % crc_check
config.AM2315_Present = True
if (crc_check == -1):
config.AM2315_Present = False
except:
config.AM2315_Present = False
###############
# Set up FRAM
# Set up FRAM
# turn I2CBus 0 on
if (config.TCA9545_I2CMux_Present):
tca9545.write_control_register(TCA9545_CONFIG_BUS0)
fram = SDL_Pi_FRAM.SDL_Pi_FRAM(addr = 0x50)
# FRAM Detection
try:
fram.read8(0)
config.FRAM_Present = True
except:
config.FRAM_Present = False
#fram = SDL_Pi_FRAM.SDL_Pi_FRAM(addr = 0x50)
# Main Loop - sleeps 10 seconds
# command from RasPiConnect Execution Code
def completeCommand():
f = open("/home/pi/SDL_Pi_GroveWeatherPi/state/WeatherCommand.txt", "w")
f.write("DONE")
f.close()
def completeCommandWithValue(value):
f = open("/home/pi/SDL_Pi_GroveWeatherPi/state/WeatherCommand.txt", "w")
f.write(value)
f.close()
def processCommand():
f = open("//home/pi/SDL_Pi_GroveWeatherPi/state/WeatherCommand.txt", "r")
command = f.read()
f.close()
if (command == "") or (command == "DONE"):
# Nothing to do
return False
# Check for our commands
#pclogging.log(pclogging.INFO, __name__, "Command %s Recieved" % command)
print "Processing Command: ", command
if (command == "SAMPLEWEATHER"):
sampleWeather()
completeCommand()
writeWeatherStats()
return True
if (command == "SAMPLEBOTH"):
sampleWeather()
completeCommand()
writeWeatherStats()
sampleSunAirPlus()
writeSunAirPlusStats()
return True
if (command == "SAMPLEBOTHGRAPHS"):
sampleWeather()
completeCommand()
writeWeatherStats()
sampleSunAirPlus()
writeSunAirPlusStats()
doAllGraphs.doAllGraphs()
return True
completeCommand()
return False
# Main Program
def returnPercentLeftInBattery(currentVoltage, maxVolt):
scaledVolts = currentVoltage / maxVolt
if (scaledVolts > 1.0):
scaledVolts = 1.0
if (scaledVolts > .9686):
returnPercent = 10*(1-(1.0-scaledVolts)/(1.0-.9686))+90
return returnPercent
if (scaledVolts > 0.9374):
returnPercent = 10*(1-(0.9686-scaledVolts)/(0.9686-0.9374))+80
return returnPercent
if (scaledVolts > 0.9063):
returnPercent = 30*(1-(0.9374-scaledVolts)/(0.9374-0.9063))+50
return returnPercent
if (scaledVolts > 0.8749):
returnPercent = 20*(1-(0.8749-scaledVolts)/(0.9063-0.8749))+11
return returnPercent
if (scaledVolts > 0.8437):
returnPercent = 15*(1-(0.8437-scaledVolts)/(0.8749-0.8437))+1
return returnPercent
if (scaledVolts > 0.8126):
returnPercent = 7*(1-(0.8126-scaledVolts)/(0.8437-0.8126))+2
return returnPercent
if (scaledVolts > 0.7812):
returnPercent = 4*(1-(0.7812-scaledVolts)/(0.8126-0.7812))+1
return returnPercent
return 0
import crcpython2
# read WXLink and return list to set variables
crcCalc = crcpython2.CRCCCITT(version='XModem')
def readWXLink(block1, block2):
oldblock1 = block1
oldblock2 = block2
try:
print "-----------"
block1 = WXLink.read_i2c_block_data(0x08, 0);
print "block1=", block1
block2 = WXLink.read_i2c_block_data(0x08, 1);
block1_orig = block1
block2_orig = block2
print "block2=", block2
stringblock1 = ''.join(chr(e) for e in block1)
stringblock2 = ''.join(chr(e) for e in block2[0:27])
print "-----------"
print "block 1"
print ''.join('{:02x}'.format(x) for x in block1)
block1 = bytearray(block1)
print "block 2"
block2 = bytearray(block2)
print ''.join('{:02x}'.format(x) for x in block2)
print "-----------"
except:
print "WXLink Read failed - Old Data Kept"
block1 = oldblock1
block2 = oldblock2
block1_orig = block1
block2_orig = block2
print "b1, b2=", block1, block2
stringblock1 = ''.join(chr(e) for e in block1)
stringblock2 = ''.join(chr(e) for e in block2[0:27])
print "-----------"
print "block 1"
print ''.join('{:02x}'.format(x) for x in block1)
block1 = bytearray(block1)
print "block 2"
block2 = bytearray(block2)
print ''.join('{:02x}'.format(x) for x in block2)
print "-----------"
if ((len(block1) > 0) and (len(block2) > 0)):
# check crc for errors - don't update data if crc is bad
#get crc from data
receivedCRC = struct.unpack('H', str(block2[29:31]))[0]
#swap bytes for recievedCRC
receivedCRC = (((receivedCRC)>>8) | ((receivedCRC&0xFF)<<8))&0xFFFF
print "ReversedreceivedCRC= %x" % receivedCRC
print "length of stb1+sb2=", len(stringblock1+stringblock2)
print ''.join('{:02x}'.format(ord(x)) for x in stringblock1)
print ''.join('{:02x}'.format(ord(x)) for x in stringblock2)
calculatedCRC = crcCalc.calculate(block1+block2[0:27])
print "calculatedCRC = %x " % calculatedCRC
# check for start bytes, if not present, then invalidate CRC
if (block1[0] != 0xAB) or (block1[1] != 0x66):
calculatedCRC = receivedCRC + 1
if (receivedCRC == calculatedCRC):
print "Good CRC Recived"
currentWindSpeed = struct.unpack('f', str(block1[9:13]))[0]
currentWindGust = 0.0 # not implemented in Solar WXLink version
totalRain = struct.unpack('l', str(block1[17:21]))[0]
print("Rain Total=\t%0.2f in")%(totalRain/25.4)
print("Wind Speed=\t%0.2f MPH")%(currentWindSpeed/1.6)
currentWindDirection = struct.unpack('H', str(block1[7:9]))[0]
print "Wind Direction=\t\t\t %i Degrees" % currentWindDirection
# now do the AM2315 Temperature
temperature = struct.unpack('f', str(block1[25:29]))[0]
print "OTFloat=%x%x%x%x" %(block1[25], block1[26], block1[27], block1[28])
elements = [block1[29], block1[30], block1[31], block2[0]]
outHByte = bytearray(elements)
humidity = struct.unpack('f', str(outHByte))[0]
print "AM2315 from WXLink temperature: %0.1fC" % temperature
print "AM2315 from WXLink humidity: %0.1f%%" % humidity
# now read the SunAirPlus Data from WXLink
WXbatteryVoltage = struct.unpack('f', str(block2[1:5]))[0]
WXbatteryCurrent = struct.unpack('f', str(block2[5:9]))[0]
WXloadCurrent = struct.unpack('f', str(block2[9:13]))[0]
WXsolarPanelVoltage = struct.unpack('f', str(block2[13:17]))[0]
WXsolarPanelCurrent = struct.unpack('f', str(block2[17:21]))[0]
WXbatteryPower = WXbatteryVoltage * (WXbatteryCurrent/1000)
WXsolarPower = WXsolarPanelVoltage * (WXsolarPanelCurrent/1000)
WXloadPower = 5.0 * (WXloadCurrent/1000)
WXbatteryCharge = returnPercentLeftInBattery(WXbatteryVoltage, 4.19)
state.WXbatteryVoltage = WXbatteryVoltage
state.WXbatteryCurrent = WXbatteryCurrent
state.WXloadCurrent = WXloadCurrent
state.WXsolarPanelVoltage = WXsolarPanelVoltage
state.WXsolarPanelCurrent = WXsolarPanelCurrent
state.WXbatteryPower = WXbatteryPower
state.WXsolarPower = WXsolarPower
state.WXloadPower = WXloadPower
state.WXbatteryCharge = WXbatteryCharge
auxA = struct.unpack('f', str(block2[21:25]))[0]
# now set state variables
print "WXLink batteryVoltage = %6.2f" % WXbatteryVoltage
print "WXLink batteryCurrent = %6.2f" % WXbatteryCurrent
print "WXLink loadCurrent = %6.2f" % WXloadCurrent
print "WXLink solarPanelVoltage = %6.2f" % WXsolarPanelVoltage
print "WXLink solarPanelCurrent = %6.2f" % WXsolarPanelCurrent
print "WXLink auxA = %6.2f" % auxA
# message ID
MessageID = struct.unpack('l', str(block2[25:29]))[0]
print "WXLink Message ID %i" % MessageID
if (config.WXLink_LastMessageID != MessageID):
config.WXLink_Data_Fresh = True
config.WXLink_LastMessageID = MessageID
print "WXLink_Data_Fresh set to True"
else:
print "Bad CRC Received"
return []
else:
return []
# return list
returnList = []
returnList.append(block1_orig)
returnList.append(block2_orig)
returnList.append(currentWindSpeed)
returnList.append(currentWindGust)
returnList.append(totalRain)
returnList.append(currentWindDirection)
returnList.append(temperature)
returnList.append(humidity)
returnList.append(WXbatteryVoltage)
returnList.append(WXbatteryCurrent)
returnList.append(WXloadCurrent)
returnList.append(WXsolarPanelVoltage)
returnList.append(WXsolarPanelCurrent)
returnList.append(auxA)
returnList.append(MessageID)
return returnList
# write SunAirPlus stats out to file
def writeSunAirPlusStats():
f = open("/home/pi/SDL_Pi_GroveWeatherPi/state/SunAirPlusStats.txt", "w")
f.write(str(batteryVoltage) + '\n')
f.write(str(batteryCurrent ) + '\n')
f.write(str(solarVoltage) + '\n')
f.write(str(solarCurrent ) + '\n')
f.write(str(loadVoltage ) + '\n')
f.write(str(loadCurrent) + '\n')
f.write(str(batteryPower ) + '\n')
f.write(str(solarPower) + '\n')
f.write(str(loadPower) + '\n')
f.write(str(batteryCharge) + '\n')
f.close()
# write weather stats out to file
def writeWeatherStats():
f = open("/home/pi/SDL_Pi_GroveWeatherPi/state/WeatherStats.txt", "w")
f.write(str(totalRain) + '\n')
f.write(str(as3935LightningCount) + '\n')
f.write(str(as3935LastInterrupt) + '\n')
f.write(str(as3935LastDistance) + '\n')
f.write(str(as3935LastStatus) + '\n')
f.write(str(currentWindSpeed) + '\n')
f.write(str(currentWindGust) + '\n')
f.write(str(totalRain) + '\n')
f.write(str(bmp180Temperature) + '\n')
f.write(str(bmp180Pressure) + '\n')
f.write(str(bmp180Altitude) + '\n')
f.write(str(bmp180SeaLevel) + '\n')
f.write(str(outsideTemperature) + '\n')
f.write(str(outsideHumidity) + '\n')
f.write(str(currentWindDirection) + '\n')
f.write(str(currentWindDirectionVoltage) + '\n')
f.write(str(HTUtemperature) + '\n')
f.write(str(HTUhumidity) + '\n')
f.close()
# sample weather
totalRain = 0
def sampleWeather():
global as3935LightningCount
global as3935, as3935LastInterrupt, as3935LastDistance, as3935LastStatus
global currentWindSpeed, currentWindGust, totalRain
global bmp180Temperature, bmp180Pressure, bmp180Altitude, bmp180SeaLevel
global outsideTemperature, outsideHumidity, crc_check
global currentWindDirection, currentWindDirectionVoltage
global SunlightVisible, SunlightIR, SunlightUV, SunlightUVIndex
global HTUtemperature, HTUhumidity, rain60Minutes
global block1, block2
global am2315
# blink GPIO LED when it's run
GPIO.setup(SUNAIRLED, GPIO.OUT)
GPIO.output(SUNAIRLED, True)
time.sleep(0.2)
GPIO.output(SUNAIRLED, False)
print "----------------- "
print " Weather Sampling"
print "----------------- "
#
# turn I2CBus 0 on
if (config.TCA9545_I2CMux_Present):
tca9545.write_control_register(TCA9545_CONFIG_BUS0)
SDL_INTERRUPT_CLICKS = 1
if (config.WXLink_Present == False):
currentWindSpeed = weatherStation.current_wind_speed()
currentWindGust = weatherStation.get_wind_gust()
totalRain = totalRain + weatherStation.get_current_rain_total()/SDL_INTERRUPT_CLICKS
if ((config.ADS1015_Present == True) or (config.ADS1115_Present == True)):