def main():
# -------------------------
# main
# -------------------------
# lesen der Werte aus der HTML form
cgitb.enable(display=0, logdir="/var/log/apache2")
form = cgi.FieldStorage()
cgi_number = form.getvalue('tankNumber')
tankNumber = int(cgi_number)
cgi_level1 = form.getvalue('level1')
cgi_level2 = form.getvalue('level2')
cgi_level3 = form.getvalue('level3')
cgi_level4 = form.getvalue('level4')
# print(cgi_number, cgi_level1, cgi_level2, cgi_level3, cgi_level4)
if (cgi_number != None):
(level1, level2, level3, level4) = CaravanPiFiles.readFillLevels(tankNumber)
if (cgi_number != None and cgi_level1 != None and cgi_level2 != None and cgi_level3 != None and cgi_level4 != None):
level1 = float(cgi_level1)
level2 = float(cgi_level2)
level3 = float(cgi_level3)
level4 = float(cgi_level4)
CaravanPiFiles.writeFillLevels(tankNumber, 0, 0, level1, level2, level3, level4)
# Ergebnis Website schreiben
print("Content-Type: text/html; charset=utf-8\n\n")
print("<html>")
print("<head>")
print("<title>CaravanPi Konfiguration</title>")
print("<meta http-equiv='refresh' content='2; URL=fill-levels.php'>")
print("<link rel='stylesheet' type='text/css' href='css/main.css'>")
print("<link rel='stylesheet' type='text/css' href='css/custom.css'>")
print("</head>")
print("<body>")
print('<header class="header">CaravanPi Konfiguration - Füllstände Tanks</header>')
if (cgi_number != None and cgi_level1 != None and cgi_level2 != None and cgi_level3 != None and cgi_level4 != None):
print("Die eingegebenen Werte wurden erfolgreich gespeichert")
else:
print("ES KONNTEN KEINE WERTE AUS DEM FORMULAR GELESEN WERDEN!")
print("<br/><br/>Sie werden zur Eingabeseite weitergeleitet")
print("</body>")
print("</html>")
def main():
# -------------------------
# main
# -------------------------
global mymcp1, mymcp2
global tank
global waitAfterPumpSeconds
global pumpOnTime
global pinPumpeAn
# -----------------------------------------------
# Initialize the I2C bus and the GPIO port expander
# -----------------------------------------------
i2c = busio.I2C(board.SCL, board.SDA)
mymcp1 = MCP23017(i2c, address=0x20)
mymcp2 = MCP23017(i2c, address=0x21)
# -----------------------------------------------
# Initialize the GPIO ports
# -----------------------------------------------
GPIO.setmode(GPIO.BCM)
# -------------------------
# process call parameters
# -------------------------
opts = []
args = []
writeFile = 0
displayScreen = 0
try:
opts, args = getopt.getopt(sys.argv[1:], shortOptions, longOptions)
except getopt.GetoptError:
print(datetime.datetime.now().strftime("%Y%m%d%H%M%S "),
"ERROR: options not correct")
usage()
sys.exit()
for o, a in opts:
if o == "--help" or o == "-h":
print("HELP")
usage()
sys.exit()
elif o == "--tank" or o == "-t":
tank = int(a)
print("Tanknummer ", '{:.0f}'.format(tank))
elif o == "--file" or o == "-f":
print("output also to file ", filePosition)
writeFile = 1
elif o == "--screen" or o == "-s":
print("output also to this screen")
displayScreen = 1
for a in args:
print("further argument: ", a)
# -------------------------
# read defaults
# -------------------------
(literLevel1, literLevel2, literLevel3,
literLevel4) = CaravanPiFiles.readFillLevels(tank)
# -------------------------
# initialize IO Pins on MCP23017
# pin number from 0 to 15 for the GPIOA0...GPIOA7, GPIOB0...GPIOB7 pins (i.e. pin 12 is GPIOB4)
# Füllstände: 1 an Pin GPIOB0 (8), ..., 4 an Pin GPIOB3 (11)
# Relais an Pin GPIOB4 (12)
# -------------------------
fillingLevel1 = mymcp1.get_pin(8)
fillingLevel1.direction = digitalio.Direction.INPUT
fillingLevel2 = mymcp1.get_pin(9)
fillingLevel2.direction = digitalio.Direction.INPUT
fillingLevel3 = mymcp1.get_pin(10)
fillingLevel3.direction = digitalio.Direction.INPUT
fillingLevel4 = mymcp1.get_pin(11)
fillingLevel4.direction = digitalio.Direction.INPUT
levelPower = mymcp1.get_pin(12)
levelPower.direction = digitalio.Direction.OUTPUT
# -------------------------
# initialisieren
# -------------------------
levelPower.value = False
# -------------------------
# Interrupt for switching on the pump
# -------------------------
GPIO.setup(pinPumpeAn, GPIO.IN)
# Wenn Pumpe wieder ausschaltet, dann Interruptbehandlung
GPIO.add_event_detect(pinPumpeAn,
GPIO.RISING,
callback=interruptPumpOn,
bouncetime=400)
# -------------------------
# set things for meassuring at startup
# -------------------------
actLiter = 0
pumpOnTime = datetime.datetime.now() - datetime.timedelta(
seconds=waitAfterPumpSeconds + 1)
# -------------------------
# Main loop
# -------------------------
try:
while True:
if pumpOnTime is not None:
elapsed = (datetime.datetime.now() -
pumpOnTime).total_seconds()
# print("Sekunden seit Interrupt: ", elapsed)
if elapsed >= waitAfterPumpSeconds:
# print(datetime.datetime.now().strftime("%Y%m%d%H%M%S "), "Spannung anlegen")
levelPower.value = True
time.sleep(.5)
level1contact = not fillingLevel1.value
level2contact = not fillingLevel2.value
level3contact = not fillingLevel3.value
level4contact = not fillingLevel4.value
# print("Spannung aus")
levelPower.value = False
pumpOnTime = None
if displayScreen == 1:
print("Level 1 erreicht? {0}".format(level1contact),
literLevel1, " Liter")
print("Level 2 erreicht? {0}".format(level2contact),
literLevel2, " Liter")
print("Level 3 erreicht? {0}".format(level3contact),
literLevel3, " Liter")
print("Level 4 erreicht? {0}".format(level4contact),
literLevel4, " Liter")
if level4contact:
actLiter = literLevel4
elif level3contact:
actLiter = literLevel3
elif level2contact:
actLiter = literLevel2
elif level1contact:
actLiter = literLevel1
else:
actLiter = 0
if displayScreen == 1:
if actLiter < literLevel1:
print("Füllmenge gering")
else:
print("mind. " + str(actLiter) + " Liter im Tank")
if writeFile == 1:
write2file(actLiter)
time.sleep(waitAfterPumpSeconds)
except KeyboardInterrupt:
GPIO.cleanup()
except:
print("unprocessed Error:", sys.exc_info()[0])
GPIO.cleanup()
# -------------------------
# Cleaning at the end
# -------------------------
GPIO.cleanup()
def main():
# -------------------------
# main
# -------------------------
global mymcp1, mymcp2
global tank
# -----------------------------------------------
# Initialize the I2C bus and the GPIO port expander
# -----------------------------------------------
i2c = busio.I2C(board.SCL, board.SDA)
mymcp1 = MCP23017(i2c, address=0x20)
mymcp2 = MCP23017(i2c, address=0x21)
# -----------------------------------------------
# Initialize the GPIO ports
# -----------------------------------------------
GPIO.setmode(GPIO.BCM)
# -------------------------
# process call parameters
# -------------------------
opts = []
args = []
writeFile = 0
displayScreen = 0
try:
opts, args = getopt.getopt(sys.argv[1:], shortOptions, longOptions)
except getopt.GetoptError:
print(datetime.datetime.now().strftime("%Y%m%d%H%M%S "),
"ERROR: options not correct")
usage()
sys.exit()
for o, a in opts:
if o == "--help" or o == "-h":
print("HELP")
usage()
sys.exit()
elif o == "--tank" or o == "-t":
tank = int(a)
print("Tanknummer ", '{:.0f}'.format(tank))
elif o == "--file" or o == "-f":
print("output also to file ", filePosition)
writeFile = 1
elif o == "--screen" or o == "-s":
print("output also to this screen")
displayScreen = 1
for a in args:
print("further argument: ", a)
# -------------------------
# read defaults
# -------------------------
(literLevel1, literLevel2, literLevel3,
literLevel4) = CaravanPiFiles.readFillLevels(tank)
# -------------------------
# initialize IO Pins on MCP23017
# pin number from 0 to 15 for the GPIOA0...GPIOA7, GPIOB0...GPIOB7 pins (i.e. pin 12 is GPIOB4)
# Füllstände: 1 an Pin GPIOB3 (11), ..., 4 an Pin GPIOB6 (14)
# -------------------------
fillingLevel1 = mymcp2.get_pin(11)
fillingLevel1.direction = digitalio.Direction.INPUT
fillingLevel2 = mymcp2.get_pin(12)
fillingLevel2.direction = digitalio.Direction.INPUT
fillingLevel3 = mymcp2.get_pin(13)
fillingLevel3.direction = digitalio.Direction.INPUT
fillingLevel4 = mymcp2.get_pin(14)
fillingLevel4.direction = digitalio.Direction.INPUT
# -------------------------
# Main
# -------------------------
try:
while True:
if displayScreen == 1:
print("Level prüfen ...")
level1contact = fillingLevel1.value
level2contact = fillingLevel2.value
level3contact = fillingLevel3.value
level4contact = fillingLevel4.value
if displayScreen == 1:
print("Level 1 erreicht? {0}".format(level1contact),
literLevel1, " Liter")
print("Level 2 erreicht? {0}".format(level2contact),
literLevel2, " Liter")
print("Level 3 erreicht? {0}".format(level3contact),
literLevel3, " Liter")
print("Level 4 erreicht? {0}".format(level4contact),
literLevel4, " Liter")
if level4contact:
actLiter = literLevel4
elif level3contact:
actLiter = literLevel3
elif level2contact:
actLiter = literLevel2
elif level1contact:
actLiter = literLevel1
else:
actLiter = 0
if displayScreen == 1:
if actLiter < literLevel1:
print("Füllmenge gering")
else:
print("mind. " + str(actLiter) + " Liter im Tank")
if writeFile == 1:
write2file(actLiter)
time.sleep(waitAfterReadingSeconds)
except KeyboardInterrupt:
GPIO.cleanup()
except:
print("unprocessed Error:", sys.exc_info()[0])
GPIO.cleanup()
# -------------------------
# Cleaning at the end
# -------------------------
GPIO.cleanup()