def main():
bat_temp = [TEMP_BAT_1,TEMP_BAT_2,TEMP_BAT_3,TEMP_BAT_4]
brd_temp = [TEMP_EPS_BRD, TEMP_CDH_BRD, TEMP_PAYLOAD_BRD]
payload_temp = [TEMP_PAYLOAD_A, TEMP_PAYLOAD_B]
chassis_temp = [TEMP_PAYLOAD_CHASSIS, TEMP_END_CAP]
for sensor in (bat_temp + brd_temp + payload_temp + chassis_temp):
SensorManager.init_temp_sensor(sensor)
while True:
print "\nBattery temperature"
for sensor in bat_temp:
print(SensorManager.read_temp_sensor(sensor)),
print "\nBoard temperatures"
for sensor in brd_temp:
print(SensorManager.read_temp_sensor(sensor)),
"""
print "Chassis temperatures"
for sensor in brd_temp:
print(SensorManager.read_temp_sensor(sensor)),
print "Payload temperatures"
for sensor in brd_temp:
print(SensorManager.read_temp_sensor(sensor)),
"""
print
sleep(1)
for sensor in bat_temp:
SensorManager.stop_temp_sensor(sensor)
def start(self):
insertDebugLog(NOTICE, "Starting. Runtime: %ds, Actuate time: %ds, Max strain: %d, Sampling Freq: %d." % \
(self.max_time, self.actuate_time, self.max_loadcell, \
self.heater_period), PAYLOAD, int(time.time()))
print("Starting payload...")
print("Runtime: %ds, Actuate time: %ds, Max strain: %d, Sampling period: %ds" % \
(self.max_time, self.actuate_time, self.max_loadcell, \
self.heater_period))
if not self.check_initial_conditions():
return False
self.lock.acquire()
self.set_power(True)
self.init_sensors()
start_time = time.time()
elapsed = 0
while True:
heater_temp = 0
if elapsed <= self.actuate_time or heater_temp < self.max_temp:
self.set_heaters(self.experiment, True)
time.sleep(self.heater_period)
else:
print("No longer turning heaters on")
time.sleep(self.heater_period)
self.set_heaters(self.experiment, False)
self.set_heaters(self.experiment, False)
elapsed = time.time() - start_time
off_time = time.time()
print("[" + str(round(elapsed, 3)) + " s] ", end='')
strain, force, adc_temp = SensorManager.read_adc(self.experiment, ADC)
heater_temp = SensorManager.read_temp_sensor(self.temp_sensor)
print(strain, force, adc_temp, heater_temp)
sleep_time = time.time() - off_time
elapsed = time.time() - start_time
time.sleep(abs(self.heater_period - sleep_time))
elapsed = time.time() - start_time
strain, force, adc_temp = SensorManager.read_adc(self.experiment, ADC)
heater_temp = SensorManager.read_temp_sensor(self.temp_sensor)
print("[" + str(round(elapsed, 3)) + " s] ", end='')
print(strain, force, adc_temp, heater_temp)
if self.is_end_condition(strain, elapsed):
break
if self.experiment:
exp = 'B'
else:
exp = 'A'
insertPayloadLog(int(start_time), int(time.time()), exp)
self.end()
self.lock.release()
return True
def main():
ds1624 = [TEMP_PAYLOAD_A, TEMP_BAT_1]
ds18b20 = [PANEL0, PANEL1]
for temp_sensor in ds1624:
SensorManager.init_temp_sensor(temp_sensor)
SensorManager.gpio_output(PSS_HTR_EN_1_GPIO, ON)
with open("/root/csdc3/src/sensors/temp_log.txt", "a") as f:
for i in range(1):
start = time.time()
temperatures = []
for temp_sensor in ds1624:
value = SensorManager.read_temp_sensor(temp_sensor)
temperatures.append(value)
for temp_sensor in ds18b20:
value = SensorManager.get_panel_data(temp_sensor)
temperatures.append(value)
readtime = time.time() - start
temperatures.append(readtime)
f.write(str(temperatures) + '\n')
SensorManager.gpio_output(PSS_HTR_EN_1_GPIO, OFF)
for temp_sensor in ds1624:
SensorManager.stop_temp_sensor(temp_sensor)
def test_ds1624(self):
ds1624 = [TEMP_CDH_BRD]
for sensor in ds1624:
SensorManager.init_temp_sensor(sensor)
value = SensorManager.read_temp_sensor(sensor)
self.assertNotEqual(value, -1)
def check_health(self):
"""
Determines whether battery chargers must be set manually
"""
# Check if sensors are reading data in the system
# if areSensorsAcquiringData():
# return
print('Threshold voltage:', self.thresholdVoltage)
# Get temperature inputs
tempIdentifiers = (TEMP_BAT_1) #, TEMP_BAT_2, TEMP_BAT_3, TEMP_BAT_4)
tempValues = []
for iden in tempIdentifiers:
SensorManager.init_temp_sensor(iden)
valueList = []
# Get median of 5 value readings to remove outliers
for i in range(0,5):
valueList.append(SensorManager.read_temp_sensor(iden))
tempValue = median(valueList)
print('Current temperature:', tempValue)
SensorManager.stop_temp_sensor(iden)
# Keep final value of sensor
tempValues.append(tempValue)
# Get status identifiers
statusIdentifiers = (PSS_HTR_STAT_1_GPIO, PSS_HTR_STAT_2_GPIO,\
PSS_HTR_STAT_3_GPIO, PSS_HTR_STAT_4_GPIO)
statusValues = []
for iden in statusIdentifiers:
statusValues.append(SensorManager.gpio_input(iden,0))
# Define manual heater identifiers
heaterIdentifiers = (PSS_HTR_EN_1_GPIO, PSS_HTR_EN_2_GPIO,\
PSS_HTR_EN_3_GPIO, PSS_HTR_EN_4_GPIO)
# Check if ShutAllBatteryHeaters is running
if self.heaterShutDownLock.isLocked():
# Shut all battery heaters off
print('Battery heaters must remain shut off')
self.controlStatus = True
SensorManager.gpio_output(PSS_HTR_MUX_SEL_GPIO, OFF)
for heater in heaterIdentifiers:
SensorManager.gpio_output(heater, OFF)
return
# Check if payload is running
if self.isPayloadAcquiringData():
# Shut all battery heaters off
print('Payload is running... shutting off all battery heaters')
self.controlStatus = True
SensorManager.gpio_output(PSS_HTR_MUX_SEL_GPIO, OFF)
for heater in heaterIdentifiers:
SensorManager.gpio_output(heater, OFF)
return
# Take control if required
for i in range(0,len(tempValues)):
if self.temp_threshold(tempValues[i], 'GT') and statusValues[i] == 0:
print('Case 1: [Analog] Heaters are turned on')
self.controlStatus = False
SensorManager.gpio_output(PSS_HTR_MUX_SEL_GPIO, ON)
return
elif self.temp_threshold(tempValues[i], 'GT') and statusValues[i] == 1:
print('Case 2: [Digital] Heaters are turned off')
self.controlStatus = True
SensorManager.gpio_output(PSS_HTR_MUX_SEL_GPIO, OFF)
SensorManager.gpio_output(heaterIdentifiers[i], OFF)
return
elif self.temp_threshold(tempValues[i], 'LT') and statusValues[i] == 0:
print('Case 3: [Digital] Heaters are turned on')
self.controlStatus = True
SensorManager.gpio_output(PSS_HTR_MUX_SEL_GPIO, OFF)
if self.is_battery_safe():
SensorManager.gpio_output(heaterIdentifiers[i], ON)
return
elif self.temp_threshold(tempValues[i], 'LT') and statusValues[i] == 1:
print('Case 4: [Analog] Heaters are turned off')
self.controlStatus = False
SensorManager.gpio_output(PSS_HTR_MUX_SEL_GPIO, ON)
return
def test_ds1624(self):
ds1624 = [TEMP_PAYLOAD_A, TEMP_BAT_1]
for sensor in ds1624:
SensorManager.init_temp_sensor(sensor)
value = SensorManager.read_temp_sensor(sensor)
self.assertNotEqual(value, -1)
