def __init__(self, TP, Father, RE_VAL):
Thread.__init__(self)
# import oven and multimeter
if APP_OVEN_PRESENT:
self.OVEN = TTC4006_Tira.TTC4006(TTC_SERIAL_PORT)
self.OVEN.TTC_ON()
self.OVEN.TTC_ENABLE_TEMP()
self.TP = TP
self.RE_VAL = RE_VAL
# set PID parameters
self.P = 5
self.I = 0
self.D = 0
self.pid = PID.PID(self.P, self.I, self.D)
self.pid.setSampleTime(1)
self.lock = threading.Lock()
self.Father = Father
self.t1 = 0
self.t2 = 0
self.t3 = 0
def main(self, set_temp, Father):
RE_VAL = set()
self.set_temp = set_temp
t_start = time.time()
print("start")
print(self.set_temp)
OVEN = TTC4006_Tira.TTC4006(TTC_SERIAL_PORT)
OVEN.TTC_ON()
OVEN.TTC_ENABLE_TEMP()
while True:
t_now = time.time()
t_run = t_now - t_start
# setting the oven
OVEN.TTC_Set_Temp(self.set_temp)
# run oven
print('01 - Reading data from Oven...')
temp_set = str(format(OVEN.TTC_Read_SP_Temp(), "0,.2f"))
temp_real = str(format(OVEN.TTC_Read_PV_Temp(), "0,.2f"))
Father.updateOven([str(t_run), str(self.set_temp), temp_real])
DE = str(DIS.read())
# print (DE)
RE_VAL.add(DE)
# print (RE_VAL)
if "['e\\x11\\x04\\x01\\xff\\xff\\xff']" in RE_VAL:
print("Exiting")
OVEN.TTC_OFF()
RE_VAL.clear()
DIS.write("page Device Select\xff\xff\xff")
return
elif "['e\\x11\\x05\\x01\\xff\\xff\\xff']" in RE_VAL:
# DIS.write("rest\xff\xff\xff")
RE_VAL.clear()
DIS.write("page restart\xff\xff\xff")
os.system("sudo reboot")
time.sleep(1)
def main(self, Father):
RE_VAL = set()
print("start")
TP = readTempProfile(FILE_NAME)[0]
print(TP)
OVEN = TTC4006_Tira.TTC4006(TTC_SERIAL_PORT)
OVEN.TTC_ON()
OVEN.TTC_ENABLE_TEMP()
t_start = time.time()
for step in TP:
# setting the oven
step_time = step[0] * 60 # step_time in seconds
step_temp = float(format(float(step[1]), ".2f"))
print(step)
t1 = datetime.datetime.now()
t2 = datetime.datetime.now() + datetime.timedelta(
seconds=step_time)
while (t1 < t2):
# run oven
print('01 - Reading data from Oven...')
t_step = time.time()
t_r = t_step - t_start
t_run = format(t_r, "0.2f")
temp_set1 = OVEN.TTC_Read_SP_Temp()
temp_real1 = OVEN.TTC_Read_PV_Temp()
temp_set = str(format(temp_set1, "0,.2f"))
temp_real = str(format(temp_real1, "0,.2f"))
OVEN.TTC_Set_Temp(step_temp)
Father.updateOven([str(t_run), str(step_temp), temp_real])
DE = str(DIS.read())
# print (DE)
RE_VAL.add(DE)
# print (RE_VAL)
if "['e\\x11\\x04\\x01\\xff\\xff\\xff']" in RE_VAL:
print("Exiting")
OVEN.TTC_OFF()
RE_VAL.clear()
DIS.write("page Device Select\xff\xff\xff")
return
elif "['e\\x11\\x05\\x01\\xff\\xff\\xff']" in RE_VAL:
# DIS.write("rest\xff\xff\xff")
RE_VAL.clear()
DIS.write("page restart\xff\xff\xff")
os.system("sudo reboot")
time.sleep(1)
t1 = datetime.datetime.now()
def main(self, num_samples, set_temperature, Father):
RE_VAL = set()
# Initialize Relay
REL = relay.Relay_module()
REL.reset()
# set PID parameters
P = 5
I = 0
D = 0
pid = PID.PID(P, I, D)
pid.setSampleTime(1)
if APP_NEXTION_PRESENT:
self.NEXTION_NUM_SAMPLES = num_samples
self.NEXTION_SET_TEMP = float(format(float(set_temperature) / 0.84, ".2f"))
else:
self.NEXTION_NUM_SAMPLES = 8
self.NEXTION_SET_TEMP = 25
# import oven and multimeter
if APP_OVEN_PRESENT:
OVEN = TTC4006_Tira.TTC4006(TTC_SERIAL_PORT)
OVEN.TTC_ON()
OVEN.TTC_ENABLE_TEMP()
if APP_DMM_196_PRESENT:
Multimeter = DMM_196.DMM_196(DMM_IP, DMM_PORT)
Multimeter.startComm()
# create file and title
CF = data_storage.create_file()
test_mode = "Manual"
equipment_Info = "TTC-4006 + DMM-196"
Driver_root = detect_file.File(folder)[1]
start_time = str(datetime.datetime.now())
filename = start_time.replace(" ", "_").replace(".", "-").replace(":", "-")
PATH = CF.folder(Driver_root, filename)
CF.header(PATH, filename, start_time, equipment_Info, test_mode, self.NEXTION_NUM_SAMPLES)
CF.content(PATH, filename,
("Time(s)\tSetTemp.(oC)\tActual Temp.(oC)\tHumidity(%)\tTemp.Sensor(oC)\tSample number\tResistence(ohm)\r\n"))
t_start = time.time()
while True:
# Relay reset
REL.reset()
for i in range(self.NEXTION_NUM_SAMPLES):
if APP_OVEN_PRESENT:
# run oven)
print("01 - Reading data from Oven...")
temp_set1 = OVEN.TTC_Read_SP_Temp()
temp_real1 = OVEN.TTC_Read_PV_Temp()
temp_set = str(format(temp_set1, "0,.2f"))
temp_real = str(format(temp_real1, "0,.2f"))
else:
temp_set = format(1.00, "0.2f")
temp_real = format(1.00, "0.2f")
pid.SetPoint = self.NEXTION_SET_TEMP
pid.setKp(float(P))
pid.setKi(float(I))
pid.setKd(float(D))
# read temperature sensor
# Humidity Sensor
# If is not OK => apply non valid temp and humidity
print("02 - Reading data from Humidity Sensor...")
if APP_BME_280_PRESENT:
try:
temperature, pressure, humidity = bme280.readBME280All()
# Medicine
if ((humidity == None) or (temperature == None)):
humidity = BME_280_INVALID_HUMI
temperature = BME_280_INVALID_TEMP
print("02 - Reading data from Humidity Sensor (NONE! - ERROR)...")
elif ((type(humidity) == str) or (type(temperature) == str)):
humidity = BME_280_INVALID_HUMI
temperature = BME_280_INVALID_TEMP
print("02 - Reading data from Humidity Sensor (INVALID STRING! - ERROR)...")
except:
humidity = BME_280_INVALID_HUMI
temperature = BME_280_INVALID_TEMP
print("02 - Reading data from Humidity Sensor (INVALID STRING! - ERROR)...")
else:
print("02 - Reading data from Humidity Sensor (DISABLED)...")
humidity = BME_280_INVALID_HUMI
temperature = BME_280_INVALID_TEMP
HUMI_sensor = format(humidity, "0.2f")
TEMP_sensor = format(temperature, "0.2f")
print("02 - Reading data from Humidity Sensor: Temp(oC): ", TEMP_sensor)
print("02 - Reading data from Humidity Sensor: Humi(%): ", HUMI_sensor)
print("Sensor Temperature : ", str(TEMP_sensor))
pid.update(TEMP_sensor)
target_temperature = pid.output
if target_temperature > 130:
target_temperature = 130
elif target_temperature < -40:
target_temperature = -40
else:
target_temperature = target_temperature
print("PID set Temperature : ", str(target_temperature))
print("Chamber real Temperature : ", temp_real)
OVEN.TTC_Set_Temp(target_temperature)
# run time
t_step = time.time()
t_run = format(t_step - t_start, "0.2f")
# relay selection
print("03 - Swtich Relay: %d" % i)
REL.RelaySelect(i)
sleep(RELAY_HOLDING_TIME)
# run multimeter
print("04- Multimeter DMM196 Reading...")
if APP_DMM_196_PRESENT:
mval = Multimeter.read_resiatance()
else:
mval = (i * float(t_run))
R_value = str(mval)
# relay reset
print("05 - Swtich Relay Unselection: %d" % i)
REL.RelayDeSelect(i)
# Persistency
print("06 - Saving data...")
result1 = []
result2 = []
result1.append([str(t_run), str(temp_set), str(temp_real), str(HUMI_sensor), str(TEMP_sensor), str(i),
str(R_value)])
CF.content(PATH, filename, result1)
# create file for each sample
result2.append([str(t_run), str(temp_set), str(temp_real), str(HUMI_sensor), str(TEMP_sensor), str(i),
str(R_value)])
CF.content(PATH, 'Sample' + str(i), result2)
Father.updateMultimeter([temp_set, temp_real, TEMP_sensor, HUMI_sensor, t_run, R_value, i])
DE = str(DIS.read())
# print (DE)
RE_VAL.add(DE)
# print (RE_VAL)
if "['e\\x0e\\x13\\x01\\xff\\xff\\xff']" in RE_VAL:
print("Exiting")
OVEN.TTC_OFF()
RE_VAL.clear()
DIS.write("page Device Select\xff\xff\xff")
return
elif "['e\\x0e\\x14\\x01\\xff\\xff\\xff']" in RE_VAL:
# DIS.write("rest\xff\xff\xff")
RE_VAL.clear()
DIS.write("page restart\xff\xff\xff")
os.system("sudo reboot")
print("07 - Updating Display...")
def main(self, num_samples, set_temperature, start_freq, end_freq, set_voltage, Father):
RE_VAL = set()
# Initialize Relay
REL = relay.Relay_module()
REL.reset()
# set PID parameters
P = 5
I = 0
D = 0
pid = PID.PID(P, I, D)
pid.setSampleTime(1)
self.NEXTION_NUM_SAMPLES = num_samples
self.NEXTION_SET_TEMP = float(format(float(set_temperature) / 0.84, ".2f"))
self.NEXTION_START_FREQ = start_freq
self.NEXTION_END_FREQ = end_freq
self.NEXTION_SET_VOLTAGE = set_voltage
# import oven and multimeter
if APP_OVEN_PRESENT:
OVEN = TTC4006_Tira.TTC4006(TTC_SERIAL_PORT)
OVEN.TTC_ON()
OVEN.TTC_ENABLE_TEMP()
if APP_IMP_PRESENT:
IMP = Impedanz_4192A_Eth.Impedance_Analyser(IMP_IP, IMP_PORT)
IMP.startComm()
# create file and title
CF = data_storage.create_file()
test_mode = "Auto"
equipment_Info = "TTC-4006 + IMP-4192A"
Driver_root = detect_file.File(folder)[1]
start_time = str(datetime.datetime.now())
filename = start_time.replace(" ", "_").replace(".", "-").replace(":", "-")
CF.folder(Driver_root, filename)
t_start = time.time()
t1 = datetime.datetime.now()
t2 = datetime.datetime.now() + datetime.timedelta(seconds=20 * 60)
while True:
if APP_OVEN_PRESENT:
# run oven)
print("01 - Reading data from Oven...")
temp_real = OVEN.TTC_Read_PV_Temp()
temp_set = OVEN.TTC_Read_SP_Temp()
else:
temp_set = format(1.00, "0.2f")
temp_real = format(1.00, "0.2f")
pid.SetPoint = self.NEXTION_SET_TEMP
pid.setKp(float(P))
pid.setKi(float(I))
pid.setKd(float(D))
# read temperature sensor
# Humidity Sensor
# If is not OK => apply non valid temp and humidity
print("02 - Reading data from Humidity Sensor...")
if APP_BME_280_PRESENT:
try:
temperature, pressure, humidity = bme280.readBME280All()
# Medicine
if ((humidity == None) or (temperature == None)):
humidity = BME_280_INVALID_HUMI
temperature = BME_280_INVALID_TEMP
print("02 - Reading data from Humidity Sensor (NONE! - ERROR)...")
elif ((type(humidity) == str) or (type(temperature) == str)):
humidity = BME_280_INVALID_HUMI
temperature = BME_280_INVALID_TEMP
print("02 - Reading data from Humidity Sensor (INVALID STRING! - ERROR)...")
except:
humidity = BME_280_INVALID_HUMI
temperature = BME_280_INVALID_TEMP
print("02 - Reading data from Humidity Sensor (INVALID STRING! - ERROR)...")
else:
print("02 - Reading data from Humidity Sensor (DISABLED)...")
humidity = BME_280_INVALID_HUMI
temperature = BME_280_INVALID_TEMP
HUMI_sensor = format(humidity, "0.2f")
TEMP_sensor = format(temperature, "0.2f")
print('02 - Reading data from Humidity Sensor: Temp(oC): ', TEMP_sensor)
print('02 - Reading data from Humidity Sensor: Humi(%): ', HUMI_sensor)
print("Sensor Temperature : ", str(TEMP_sensor))
pid.update(float(TEMP_sensor))
target_temperature = pid.output
if target_temperature > 130:
target_temperature = 130
elif target_temperature < -40:
target_temperature = -40
else:
target_temperature = target_temperature
print("PID set Temperature : ", str(target_temperature))
print("Chamber real Temperature : ", temp_real)
OVEN.TTC_Set_Temp(target_temperature)
t_step = time.time()
while (t1 > t2):
for i in range(self.NEXTION_NUM_SAMPLES):
# run time
t_run = format(t_step - t_start, "0.2f")
# relay selection
print("03 - Swtich Relay: %d" % i)
REL.RelaySelect(i)
sleep(RELAY_HOLDING_TIME)
# create folder for each sample
current_time = str(datetime.datetime.now())
self.time_str = current_time.replace(" ", "_").replace(".", "-").replace(":", "-")
Father.updateIMPSweep([temp_set, temp_real, TEMP_sensor, HUMI_sensor, t_run, "Measureing", " ", i])
DE = str(DIS.read())
# print (DE)
RE_VAL.add(DE)
# print (RE_VAL)
if "['e\\x0f\\x1b\\x01\\xff\\xff\\xff']" in RE_VAL:
print("Exiting")
OVEN.TTC_OFF()
RE_VAL.clear()
DIS.write("page Device Select\xff\xff\xff")
return
elif "['e\\x0f\\x1c\\x01\\xff\\xff\\xff']" in RE_VAL:
# DIS.write("rest\xff\xff\xff")
RE_VAL.clear()
DIS.write("page restart\xff\xff\xff")
os.system("sudo reboot")
print("07 - Updating Display...")
# creat file
sample_time = str(datetime.datetime.now()).replace(" ", "_").replace(".", "-").replace(":", "-")
name = 'Sample' + str(i)
locals()['v' + str(i)] = i
PA = CF.sample_folder(name)
CF.header_imp(PA, self.time_str, self.time_str, equipment_Info, test_mode,
self.NEXTION_START_FREQ,
self.NEXTION_END_FREQ, self.NEXTION_SET_VOLTAGE)
# run multimeter
print("04- Multimeter DMM196 Reading...")
if APP_IMP_PRESENT:
data = IMP.sweep_measure(self.NEXTION_START_FREQ, self.NEXTION_END_FREQ,
self.NEXTION_SET_VOLTAGE)
CF.content(PA, self.time_str, data)
# relay reset
print("06 - Swtich Relay Unselection: %d" % i)
REL.RelayDeSelect(i)
else:
if APP_NEXTION_PRESENT:
# run time
t_run = format(t_step - t_start, "0.2f")
Father.updateIMPSweep([temp_set, temp_real, TEMP_sensor, HUMI_sensor, t_run, "Waiting", " ", 0])
DE = str(DIS.read())
# print (DE)
RE_VAL.add(DE)
# print (RE_VAL)
if "['e\\x0f\\x1b\\x01\\xff\\xff\\xff']" in RE_VAL:
print("Exiting")
OVEN.TTC_OFF()
RE_VAL.clear()
DIS.write("page Device Select\xff\xff\xff")
return
elif "['e\\x0f\\x1c\\x01\\xff\\xff\\xff']" in RE_VAL:
# DIS.write("rest\xff\xff\xff")
RE_VAL.clear()
DIS.write("page restart\xff\xff\xff")
os.system("sudo reboot")
print("07 - Updating Display...")
t1 = datetime.datetime.now()
def main(self, num_samples, set_voltage, Father):
RE_VAL = set()
# Initialize Relay
REL = relay.Relay_module()
REL.reset()
# detect file
if APP_PEN_DRIVE:
FILE_NAME = detect_file.File(folder)[0]
else:
FILE_NAME = "/home/pi/Desktop/Temperature_profile.txt"
# Load Profile
TP = readTempProfile(FILE_NAME)[0]
print(TP)
self.NEXTION_NUM_SAMPLES = num_samples
self.NEXTION_SET_VOLTAGE = set_voltage
# import oven and multimeter
if APP_OVEN_PRESENT:
OVEN = TTC4006_Tira.TTC4006(TTC_SERIAL_PORT)
OVEN.TTC_ON()
OVEN.TTC_ENABLE_TEMP()
# set PID parameter
P = 5
I = 0
D = 0
pid = PID.PID(P, I, D)
pid.setSampleTime(1)
if APP_Sourcemeter_PRESENT:
Sourcemeter = Keithley_2602_Eth.SourceMeter(SM_IP, SM_PORT)
Sourcemeter.startComm()
# create file and title
CF = data_storage.create_file()
test_mode = "Auto"
head = []
head.append([
"Time(s)", "SetTemp.(oC)", "Actual Temp.(oC)", "Humidity(%)",
"Temp.Sensor(oC)", "Sample number", "Current(A)", "Resistence(ohm)"
])
equipment_Info = "TTC-4006 + Sourcemeter-2602"
Driver_root = detect_file.File(folder)[1]
start_time = str(datetime.datetime.now())
filename = start_time.replace(" ", "_").replace(".",
"-").replace(":", "-")
PATH = CF.folder(Driver_root, filename)
CF.header(PATH, filename, start_time, equipment_Info, test_mode,
self.NEXTION_NUM_SAMPLES)
CF.content(PATH, filename, head)
t_start = time.time()
for step in TP:
print(step)
# setting the oven
step_time = step[0] * 60 # step_time in seconds
step_temp = float(format(float(step[1]) / 0.84, ".2f"))
t1 = datetime.datetime.now()
t2 = datetime.datetime.now() + datetime.timedelta(
seconds=step_time)
while (t1 < t2):
# Relay switching
REL.reset()
for i in range(self.NEXTION_NUM_SAMPLES):
if APP_OVEN_PRESENT:
# run oven)
print("01 - Reading data from Oven...")
temp_real = OVEN.TTC_Read_PV_Temp()
temp_set = OVEN.TTC_Read_SP_Temp()
else:
temp_set = format(1.00, "0.2f")
temp_real = format(1.00, "0.2f")
pid.SetPoint = step_temp
pid.setKp(float(P))
pid.setKi(float(I))
pid.setKd(float(D))
print("02 - Reading data from Humidity Sensor...")
if APP_BME_280_PRESENT:
try:
temperature, pressure, humidity = bme280.readBME280All(
)
# Medicine
if ((humidity == None) or (temperature == None)):
humidity = BME_280_INVALID_HUMI
temperature = BME_280_INVALID_TEMP
print(
"02 - Reading data from Humidity Sensor (NONE! - ERROR)..."
)
elif ((type(humidity) == str)
or (type(temperature) == str)):
humidity = BME_280_INVALID_HUMI
temperature = BME_280_INVALID_TEMP
print(
"02 - Reading data from Humidity Sensor (INVALID STRING! - ERROR)..."
)
except:
humidity = BME_280_INVALID_HUMI
temperature = BME_280_INVALID_TEMP
print(
"02 - Reading data from Humidity Sensor (INVALID STRING! - ERROR)..."
)
else:
print(
"02 - Reading data from Humidity Sensor (DISABLED)..."
)
humidity = BME_280_INVALID_HUMI
temperature = BME_280_INVALID_TEMP
HUMI_sensor = format(humidity, "0.2f")
TEMP_sensor = format(temperature, "0.2f")
print("02 - Reading data from Humidity Sensor: Temp(oC): ",
TEMP_sensor)
print("02 - Reading data from Humidity Sensor: Humi(%): ",
HUMI_sensor)
print("Sensor Temperature : ", str(TEMP_sensor))
pid.update(float(TEMP_sensor))
target_temperature = pid.output
# limit oven temperature
if target_temperature > 180:
target_temperature = 180
elif target_temperature < -40:
target_temperature = -40
else:
target_temperature = target_temperature
OVEN.TTC_Set_Temp(target_temperature)
print("PID set Temperature : ", str(target_temperature))
print("Chamber real Temperature : ", temp_real)
# run time
t_step = time.time()
t_run = format(t_step - t_start, "0.2f")
REL.RelaySelect(i)
sleep(RELAY_HOLDING_TIME)
if APP_Sourcemeter_PRESENT:
fcurrent = Sourcemeter.Measure(
"a", self.NEXTION_SET_VOLTAGE)
print("Reading Sourcemeter:", i)
else:
fcurrent = (i * float(t_run))
I_Value = format(float(fcurrent), ".4E")
R_Value = format(self.NEXTION_SET_VOLTAGE / float(I_Value),
".4E")
print("Resistance:", R_Value)
print("")
REL.RelayDeSelect(i)
# Persistency
print("06 - Saving data...")
result1 = []
result2 = []
result1.append([
str(t_run),
str(step[1]),
str(temp_real),
str(HUMI_sensor),
str(TEMP_sensor),
str(i),
str(I_Value),
str(R_Value)
])
CF.content(PATH, filename, result1)
# create file for each sample
result2.append([
str(t_run),
str(step[1]),
str(temp_real),
str(HUMI_sensor),
str(TEMP_sensor),
str(i),
str(I_Value),
str(R_Value)
])
CF.content(PATH, 'Sample' + str(i), result2)
Father.updateMultimeter([
temp_set, temp_real, TEMP_sensor, HUMI_sensor, t_run,
R_Value, i
])
DE = str(DIS.read())
# print (DE)
RE_VAL.add(DE)
# print (RE_VAL)
if "['e\\x0e\\x13\\x01\\xff\\xff\\xff']" in RE_VAL:
print("Exiting")
OVEN.TTC_OFF()
RE_VAL.clear()
DIS.write("page Device Select\xff\xff\xff")
return
elif "['e\\x0e\\x14\\x01\\xff\\xff\\xff']" in RE_VAL:
# DIS.write("rest\xff\xff\xff")
RE_VAL.clear()
DIS.write("page restart\xff\xff\xff")
os.system("sudo reboot")
print("07 - Updating Display...")
t1 = datetime.datetime.now()
if APP_OVEN_PRESENT:
OVEN.TTC_OFF()
def main(self):
print("start")
TP = readTempProfile(FILE_NAME)[0]
print(TP)
OVEN = TTC4006_Tira.TTC4006(TTC_SERIAL_PORT)
P = 5
I = 0
D = 0
pid = PID.PID(P, I, D)
pid.setSampleTime(1)
t_start = te.time()
for step in TP:
# setting the oven
step_time = step[0] * 60 # step_time in seconds
step_temp = float(format(float(step[1]) / 0.84, ".2f"))
start_time = str(datetime.datetime.now())
#filename = start_time.replace(" ", "_").replace(".", "-").replace(":", "-") + "_P_5"
filename = "PID_15" + "_" + start_time.replace(" ", "_").replace(
".", "-").replace(":", "-")
op = open("/home/pi/Desktop/" + filename + ".txt", "a")
op.write(
"Time(s)\tSetTemp.(oC)\tActual Temp.(oC)\tTemp.Sensor(oC)\r\n")
op.close()
print(step)
t1 = datetime.datetime.now()
t2 = datetime.datetime.now() + datetime.timedelta(
seconds=step_time)
while (t1 < t2):
t_step = te.time()
t_r = t_step - t_start
t_run = format(t_r, "0.2f")
# run oven
print('01 - Reading data from Oven...')
t_step = time.time()
t_r = t_step - t_start
t_run = format(t_r, "0.2f")
pid.SetPoint = step_temp
pid.setKp(float(P))
pid.setKi(float(I))
pid.setKd(float(D))
temp_set1 = OVEN.TTC_Read_SP_Temp()
temp_real1 = OVEN.TTC_Read_PV_Temp()
temp_set = str(format(temp_set1, "0,.2f"))
temp_real = str(format(temp_real1, "0,.2f"))
actual_temperature = bme280.readBME280All()[0]
print("Sensor Temperature : " + str(actual_temperature))
pid.update(actual_temperature)
target_temperature = pid.output
if target_temperature > 130:
target_temperature = 130
elif target_temperature < -40:
target_temperature = -40
else:
target_temperature = target_temperature
print("PID set Temperature : " + str(target_temperature))
print("Chamber real Temperature : " + temp_real)
OVEN.TTC_Set_Temp(target_temperature)
print('Saving data...')
op = open("/home/pi/Desktop/" + filename + ".txt", "a")
op.writelines([
str(t_run), "\t",
str(target_temperature), "\t", temp_real, "\t",
str(actual_temperature), "\r\n"
])
op.close()
time.sleep(1)
t1 = datetime.datetime.now()