def sendErrorMail(mystr, fatalError=False):
global mailBackoffCount, mailBackoffCount, mailLastSentTime
global mailLastSubject, mailNumRepeats
nbody = email_body_prefix
log.info('Repeating last message, Rep Cnt = {}, BOCnt = {}'.format(
mailNumRepeats, mailBackoffCount))
# Check to see if we're repeating the message too quickly.
if mystr == mailLastSubject:
currTime = time.time()
if (currTime - mailLastSentTime) < (60 * 60):
mailNumRepeats += 1
log.info('... sendErrorMail(skipping)')
# Enough time has not passed, don't send it.
return
else:
# Different subject line, so reset things
mailLastSubject = mystr
if mailNumRepeats:
# Give the user an indication of the numbrer of repts.
mystr = "(Prev rptd * {} times) ".format(mailBackoffCount)
mailLastSentTime = time.time()
mailNumRepeats = 0
headers = [
"From: " + sender, "Subject: " + subject + ": " + mystr,
"To: " + recipient, "MIME-Version: 1.0", "Content-Type: text/plain"
]
headers = "\r\n".join(headers)
try:
heat_status = 1 - wiringpi.digitalRead(HEATER_PIN)
fan_status = 1 - wiringpi.digitalRead(FAN_PIN)
nbody = nbody + "\r\nPithy shut down!!!\r\n" if fatalError else "" + \
"\r\n\r\nThermod V1 Status at " + lnow() + ":\r\n"
try:
temp_status = subprocess.check_output(
['/bin/cat', STATUS_FILE])
# Prepend a tab to each line
nbody = nbody + "\tContents of Status File = {}\r\n".format(
repr(temp_status))
except Exception as e:
nbody = nbody + '\tCannot get Status File ({}): {}\r\n'.format(
STATUS_FILE, repr(e))
hvac_state = getHVACState()
tempHumid = getTemp()
nbody = nbody + "\thvacState = " + str(hvac_state) + "\r\n"
nbody = nbody + "\temp+humid = " + repr(tempHumid) + "\r\n"
nbody = nbody + "\theatStatus = " + str(heat_status) + "\r\n"
nbody = nbody + "\tfanStatus = " + str(fan_status) + "\r\n"
if fatalError:
nbody = nbody + "\r\nPithy received fatal error, exiting program\r\n"
session = smtplib.SMTP_SSL("{}:{}".format(SMTP_SERVER, SMTP_PORT))
session.login(username, password)
session.sendmail(sender, recipient, headers + "\r\n\r\n" + nbody)
session.quit()
except Exception as e:
log.error("Error trying to send email warning:{}".format(repr(e)))
def updateTemp():
dprint('---- updateTemp()')
rv = getTemp()
if len(rv) != 2:
# Must've had an error, log it and use the last known value
log.warning("websrvd:{}: error reading tempHumid value".format(lnow()))
temp = updateTemp.lastTemp
humidity = updateTemp.lastHumid
else:
temp = rv[0]
rv = (str(round(temp, 1)))
return (rv)
import sqlite3, sys, datetime
import getTemp
#setings
sensorLookUp = {"10 DE C6 35 1 8 0 86" : "outside", \
"10 C4 EB 35 1 8 0 6" : "test"}
date = datetime.datetime.now().strftime("%Y-%m-%d")
time = datetime.datetime.now().strftime("%H:%M")
sensorReadings = {}
while 1:
try:
temp, rom = getTemp.getTemp()
except:
print "not able to get temp at", date, time
sys.exit()
if rom != "null":
sensorReadings[sensorLookUp[rom]] = temp
else:
break
conn = sqlite3.connect("/home/simon/tempLog/temp.db")
c = conn.cursor()
for sensor in sensorReadings:
c.execute("insert into temp values(?, ?, ?, ?)",\
[date, time, sensorReadings[sensor], sensor])
conn.commit();
import numpy as np
# create configuration file
sleeptime = 1
UDP_IP_ADDRESS = "192.168.1.102"
UDP_PORT_NO = 6789
hx = configureStrain()
device_file = configureTemp()
try:
while True:
# get data
strain = getStrain(hx)
temp = getTemp(device_file)
print("Strain", strain)
print("Temperature", temp)
#time.sleep(sleeptime)
sys = np.array([strain, temp], dtype=float)
payload = sys.tobytes()
clientSock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
clientSock.sendto(payload, (UDP_IP_ADDRESS, UDP_PORT_NO))
except (KeyboardInterrupt, SystemExit):
print('Bye :)')
finally:
GPIO.cleanup()
def run():
# Line below makes us log immediately upon running the first time.
lastLog = datetime.now() - timedelta(minutes=6)
lastMail = datetime.now()
configureGPIO()
# Write our PID to PID_FILE
try:
with open(PID_FILE, "w") as outfile:
print('{}'.format(os.getpid()), file=outfile)
except IOError:
pass
# change cwd to whatever directory thermod.py is in
abspath = os.path.abspath(__file__)
dname = os.path.dirname(abspath)
os.chdir(dname)
# d888888b d8b db d88888b d888888b d8b db d888888b d888888b d88888b
# `88' 888o 88 88' `88' 888o 88 `88' `~~88~~' 88'
# 88 88V8o 88 88ooo 88 88V8o 88 88 88 88ooooo
# 88 88 V8o88 88~~~ 88 88 V8o88 88 88 88~~~~~
# .88. 88 V888 88 .88. 88 V888 .88. 88 88.
# Y888888P VP V8P YP Y888888P VP V8P Y888888P YP Y88888P
#
# db .d88b. .d88b. d8888b.
# 88 .8P Y8. .8P Y8. 88 `8D
# 88 88 88 88 88 88oodD'
# 88 88 88 88 88 88~~~
# 88booo. `8b d8' `8b d8' 88
# Y88888P `Y88P' `Y88P' 88
switch_mode = 'off'
while True:
tempHumid = getTemp()
if len(tempHumid) < 2:
log.warning("thermod:{}: error reading tempHumid value".format(
lnow()))
indoor_temp = lastTemp
humidity = lastHumid
else:
indoor_temp = float(tempHumid[0])
humidity = float(tempHumid[1])
hvac_state = getHVACState()
# Save this value in case we have to change state of the
# GPIO
old_switch_mode = switch_mode
try:
file = open(STATUS_FILE, "r")
target_temp = float(file.readline().rstrip('\n'))
switch_mode = file.readline().rstrip('\n')
file.close()
except Exception as e:
defStatus = 'off'
# Set default operation modes if the statusfile isn't found.
target_temp = 70.0
switch_mode = defStatus
log.info('no_alarm: Can\'t read STATUS_FILE {}, so writing'
' ( {} / {} )to it\nReason: {}'.format(
STATUS_FILE, target_temp, defStatus, repr(e)))
# Rewrite the STATUS_FILE so that we aren't in this error
# state and we don't keep on spewing messages.
try:
with open(STATUS_FILE, "w") as ofile:
print('{:f}\n{}\n'.format(target_temp, switch_mode),
file=ofile)
except IOError:
log.fatal('Cannot re-write missing STATUS_FILE {}'.format(
STATUS_FILE))
sys.exit(144)
# Log values so far
now = datetime.now()
logElapsed = now - lastLog
mailElapsed = now - lastMail
# heat_mode -- check if beyond tolerance
# it's 72, we want it to be 78, and the error threshold is 5 = this
# triggers
if ((mailEnabled == True)
and (mailElapsed > timedelta(minutes=20) and
(float(target_temp) - indoor_temp) > error_threshold)
and (switch_mode == 'heat')):
sendErrorMail('Heat beyond threshold ({} - {} = {}) > {}'.format(
target_temp, indoor_temp,
float(target_temp) - indoor_temp, error_threshold))
lastMail = datetime.now()
log.info("MAIL: Sent mail to " + recipient + \
" at " + now.strftime('%F %T'))
# logging actual temp and indoor temp to sqlite database.
# you can do fun things with this data, like make charts!
if logElapsed > timedelta(minutes=6) and sqliteEnabled:
sqlCursor.execute('INSERT INTO logging VALUES(?, ?, ?, ?, ?, ?)',
(now, trimFloat(indoor_temp), target_temp,
trimFloat(humidity), switch_mode, hvac_state))
conn.commit()
lastLog = datetime.now()
# $hvac_state has the following values:
# 'idle', 'fan', 'heat'
# $switch_mode has the following:
# 'off', 'fan', 'heat'
if switch_mode == 'heat':
if hvac_state != 'heat': # Fan or Idle
if indoor_temp < target_temp - inactive_hysteresis:
log.info('STATE: Switching to heat at {}, '
'hvac_state = {}'.format(lnow(), hvac_state))
hvac_state = hvac_heat()
# If we've reached temp to get to, shut the heat and fan down.
elif hvac_state == 'heat': # heating
if indoor_temp > target_temp + active_hysteresis:
log.info('STATE: Switching to fan idle at {}, '
'hvac_state = {}'.format(lnow(), hvac_state))
hvac_idle_fan()
log.info('STATE: Switching to ALL_OFF at {}, '
'hvac_state = {}'.format(lnow(), hvac_state))
hvac_state = hvac_all_off()
elif switch_mode == 'fan':
hvac_state = hvac_fan()
else: # switch_mode == 'off'
#
# The switch_mode is "off", so we have to check if the hvac_state is actually
# off as well. If not, then we have to turn it off.
#
if not (switch_mode == "off"):
log_fatal("Invalid switch_mode <{}>".format(switch_mode))
assert (switch_mode == "off")
if hvac_state != 'off':
log.info('Turning system off, previous hvac_state = {}'.format(
hvac_state))
if hvac_state == 'heat': # Heating is on, turn it off
log.info("STATE: switch is off, turning off heat and fan")
log.info('STATE: Switching to fan idle at {}, '
'hvac_state = {}'.format(lnow(), hvac_state))
hvac_idle_fan()
log.info('STATE: Switching to ALL_OFF at {}, '
'hvac_state = {}'.format(lnow(), hvac_state))
if hvac_state != 'off':
hvac_state = hvac_all_off()
# logging stuff
heat_status = 1 - wiringpi.digitalRead(HEATER_PIN)
fan_status = 1 - wiringpi.digitalRead(FAN_PIN)
# "DBG:********"; from pdb import set_trace as bp; bp()
def dpv(exp):
caller = sys._getframe(1)
return ('\n\t\t{} = {}'.format(exp, caller.f_locals[exp.strip()]))
log.info("**** Debug Status ****" + dpv("target_temp") +
dpv("switch_mode") + dpv("hvac_state ") + dpv("indoor_temp") +
# dpv("lastTemp") +
# dpv("lastHumid") +
dpv("heat_status") + dpv("fan_status "))
time.sleep(5)
# Use these values in case we can't fetch them from the
# thermostat for mail error logging.
lastTemp = indoor_temp
lastHumid = humidity
if "1" in package:
TurnOn(SendObj)
elif "2" in package:
TurnOff(SendObj)
elif "3" in package:
IsOn(SendObj)
elif "exit" in package:
sys.exit()
elif len(str(package)) >= 3:
SendObj.sendData(bytesToSend)
therm = open('/sys/bus/w1/devices/28-000004abf982/w1_slave','r')
#print(therm.read())
temp = therm.read()
temp = float(temp[temp.index('t=') + 2:]) / 1000
temp = (temp * 9.0 / 5.0) + 32
print(temp)
print(getTemp.getTemp())
else: #nRF receiver
print('\nReceiver')
SET_CONFIG = 0x1F #Receiver
SendObj.setupRadio()
print("\nReceiving data")
i=0
while 1:
SendObj.receiveData()
time.sleep(SMALL_PAUSE)