#Declaring variable relay_proc
relay_proc = None
#Declaring variable logsaved
logsaved = 0
try:
#Time checking loop that starts irrigation at set times
while True:
#Checking to see what time it is and starts the subprocess if it should
now = datetime.now()
now_time = now.time()
nirrigated = dbfetch('NIGHT_IRRIGATED', 'weather_settings')
dirrigated = dbfetch('DAY_IRRIGATED', 'weather_settings')
nirriseconds = dbfetch('NIGHT_SECONDS', 'weather_settings')
if now_time >= time(01, 00) and now_time < time(02, 00):
#Start subprocess if irrigation hasn't been done yet
if nirrigated == 0:
print("Time for some irrigation!")
try:
if relay_proc is not None and relay_proc.poll() is None:
print('process is already running')
else:
relay_proc = subprocess.Popen(
['/home/pi/GardenBrain/relay.py'],
stdout=subprocess.PIPE,
#Getting pressure from the SenseHat and printing the value
pressure = sense.get_pressure()
pressure = round(pressure, 1)
print("Pressure:", pressure)
time.sleep(1)
#Showing weather data on the LED matrix (optional)
#sense.show_message(" Temperature " + str(temp) + "C" + " Humidity: " + str(humidity) + "%" + " Pressure: " + str(pressure) + "hPA", scroll_speed=(0.08), text_colour=[102,0,204])
#Clearing any data from the SenseHat
sense.clear()
#If fetching current pressure and humidity fails, then use previous entry in database (to remove incorrect zeros in the data)
if pressure == 0:
pressure = dbfetch("PRESSURE", "weather_date")
dolog(
"Weather.py - Failed to get current pressure, instead using the pressure from previous entry in database"
)
if humidity == 0:
humidity = dbfetch("HUMIDITY", "weather_date")
dolog(
"Weather.py - Failed to get current humidity, instead using the humidity from previous entry in database"
)
#Connecting to database again and writing the data into the weather_data table
#db_wd_insert(time.strftime("%Y-%m-%d %H:%M"),str(temp),str(humidity),str(pressure))
db = MySQLdb.connect(config['database']['host'],
config['database']['user'],
config['database']['password'],
# Import required Python libraries
import time as t
from datetime import datetime, time
from functions import dbfetch,dbupdate,relay_delay,relay_manual,dolog
#Checking to see what time it is for the following functions
now = datetime.now()
now_time = now.time()
#Sleeping for a moment
t.sleep(15)
#Getting data for the delay variable which determines how long the relay stays open
if now_time >= time(01,00) and now_time <= time(02,00):
delay = dbfetch('NIGHT_SECONDS','weather_settings')
dolog("NIGHT_SECONDS received from database in relay.py :")
dolog(delay)
elif now_time >= time(16,00) and now_time <= time(17,00):
delay = dbfetch('DAY_EXTRA','weather_settings')
dolog("DAY_EXTRA received from database in relay.py :")
dolog(delay)
else:
#Setting delay to a default 60 seconds if the script is run outside of the set timeframes
delay = 60
#If delay variable is not 0
if delay != 0:
#Starting the delay
relay_manual('on')
#Sleeping for a second
t.sleep(1)
#Declaring variable relay_proc
relay_proc = None
try:
#Time checking loop that starts irrigation at set times
while True:
#Checking to see what time it is and starts the subprocess if it should
now = datetime.now()
now_time = now.time()
nirrigated = dbfetch('NIGHT_IRRIGATED', 'weather_settings')
dirrigated = dbfetch('DAY_IRRIGATED', 'weather_settings')
if now_time >= time(01, 00) and now_time < time(02, 00):
#Start subprocess if irrigation hasn't been done yet
if nirrigated == 0:
print("Time for some irrigation!")
try:
# Old part that was buggy
# p = subprocess.Popen(['/home/pi/GardenBrain/relay.py'], stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
if relay_proc is not None and relay_proc.poll() is None:
print('process is already running')
else:
relay_proc = subprocess.Popen(
['/home/pi/GardenBrain/relay.py'],
dolog("Analyzer.py - Weather data received from database")
#Sleeping for a second
t.sleep(1)
#Get the average temperature, humidity and pressure for those 15 minutes
temp_average = averager(temperature)
humid_average = averager(humidity)
press_average = averager(pressure)
dolog("Analyzer.py - Weather data averaged")
#Sleeping for a second
t.sleep(1)
#Read database if irrigation has been done and if so, then make sure the minutes number is reset to 0
nighti = dbfetch('NIGHT_IRRIGATED', 'weather_settings')
dayi = dbfetch('DAY_IRRIGATED', 'weather_settings')
if nighti == 1:
dbupdate('NIGHT_SECONDS', 'weather_settings', '0')
dolog(
"Analyzer.py - Updating NIGHT_SECONDS to value 0 in database")
if dayi == 1:
dbupdate('DAY_EXTRA', 'weather_settings', '0')
dolog("Analyzer.py - Updating DAY_EXTRA to value 0 in database")
#Sleeping for a second
t.sleep(1)
#Set a baseline for temperature, with adjustments depending on humidity and pressure, then make sure each run of this script adds to a starting 0 minutes of night irrigation until it runs. During a full 24h this will build up to around 100 times the 15 minute number.
# Import required Python libraries
from datetime import datetime, time
import MySQLdb
import RPi.GPIO as GPIO
import time
from functions import dbfetch, dbupdate, dolog, relay_manual, relay_delay, sysreboot, mandiff
import logging
#Sleeping for 1 seconds
time.sleep(1)
#Running a loop to check for scheduled tasks
while True:
#Getting settings table from DB
irrigatedata = dbfetch('IRRIGATE_NOW', 'weather_settings')
rebootdata = dbfetch('REBOOTNOW', 'weather_settings')
if irrigatedata == 3:
difference = mandiff()
if difference / 60 > 5:
irrigatedata = 2
else:
print("Time doesn't exceed 5 minutes")
if irrigatedata == 1:
dbupdate('IRRIGATE_NOW', 'weather_settings', '3')
print("Irrigating now")
nowtime = time.strftime("%Y-%m-%d %H:%M:%S")
dbupdate('MANTIME', 'weather_settings', str(nowtime))
relay_manual('on')