def opc(self, addr):
try:
# print addr
# print "OPC_INIT"
pca.pca_init(addr)
pca.pca_config_pm(0, 0, 0)
time.sleep(0.5) # turn PM module power supplys on
spi = spidev.SpiDev()
spi.open(5, 1)
spi.mode = 1
spi.max_speed_hz = 500000
alphasense = OPCN2(spi)
time.sleep(0.5)
# Turn the opc ON
alphasense.on()
# alphasense.on()
# alphasense.set_fan_power(255)
time.sleep(1)
spi.close()
# alphasense.on()
except Exception, e: # FirmwareError:
spi.close()
# pca.pca_config_pm(1,1,1,1)
time.sleep(0.2)
print "firmware error, " + str(e)
pass
def readPPD60(self, addr):
pca.pca_init(addr)
pca.pca_config_pm(1, 0, 0)
myDustSensor = upmPpd42ns.PPD42NS(20)
data = myDustSensor.getData()
time.sleep(0.1)
ppd42_lpo = str(data.lowPulseOccupancy)
ppd42_con = str(data.concentration)
return ppd42_lpo, ppd42_con
def readSHARP(self, addr):
pca.pca_init(addr)
pca.pca_config_pm(1, 0, 0)
myDustSensor = upmPpd42ns.PPD42NS(21)
data = myDustSensor.getData()
time.sleep(0.1)
sharp_lpo = str(data.lowPulseOccupancy)
sharp_con = str(data.concentration)
return sharp_lpo, sharp_con
def call_pca(boardAddr):
if boardAddr == board_addr[0]:
pca.pca_init(0x1B)
print "ON PCA : 0x1B"
elif boardAddr == board_addr[1]:
pca.pca_init(0x1D)
print "ON PCA : 0x1D"
elif boardAddr == board_addr[2]:
pca.pca_init(0x1E)
print "ON PCA : 0x1E"
elif boardAddr == board_addr[3]:
pca.pca_init(0x1F)
print "ON PCA : 0x1F"
else:
print("please initialize the board in populate_sensor_board.py")
def __selftest__(boards, type):
if "gas" in str(type):
pass
else:
print "Beginning PM module test cycle"
for i in range(len(boards)):
if "0x18" not in str(boards[i]):
pca.pca_init(boards[i])
print "5V toggling on "+ str(boards[i]) + " for next 5 seconds"
for t in range(5):
pca.pca_config_pm(1,0,0)
#Adjust sleep time to allow for different measurement methods (i.e. multimeter vs analyzer)
time.sleep(1)
pca.pca_config_pm(1,1,1)
time.sleep(1)
print "PM test complete, proceeding to gas test"
for i in range(len(boards)):
pca.pca_init(boards[i])
print ""
print str("Board Address: " + str(boards[i]))
print str("Test Config Slot1 Counts Slot2 Counts Ratio Result")
#print str("I2C Address Slot1 Counts Slot2 Counts Result")
print str("---------------------------------------------------------------------------------------")
testparams = {"PBias": 28565, "ZBias": 0, "NBias": -28565}
for key in testparams.keys():
pca.pca_init(boards[i])
briza.sensor1(key)
briza.sensor2(key)
slot1_test_params = ['raw', '0','0','0','1',key]#testparams.keys()[1]]
slot2_test_params = ['raw', '0','0','0','1',key]#testparams.keys()[1]]
tmpdata1 = []
tmpdata2 = []
#for i in range(5):
testdata = briza.read(boards[i],slot1_test_params, slot2_test_params, selftest=True)
time.sleep(0.5)
#tmpdata1.append(int(testdata['raw_value_slot1']))
#tmpdata2.append(int(testdata['raw_value_slot2']))
testval1 = float((testdata['raw_value_slot1']))#reduce(lambda x, y: x + y, tmpdata1) / len(tmpdata1)
testval2 = float((testdata['raw_value_slot2']))#)reduce(lambda x, y: x + y, tmpdata2) / len(tmpdata2)
if (testval1/testval2)<1.035 and (testval1/testval2)>0.82:
resultstr = colored("Pass", "green")
else:
resultstr = colored("Failed", "red")
print str(str(key)+ " " + str(testval1) + " " + str(testval2)+ " " +str("%.5f" % (float(testval1)/float(testval2))) + " " + str(resultstr))
def main(boards):
slot1_parameters, slot2_parameters = briza.get_calibration()
for board in boards:
if any(x in str(slot1_parameters[board][5]) for x in pm_types):
print "PM module bypass, configured as: " + str(slot1_parameters[board][5])
#briza.opc(board)
#briza.board_init(board, slot1_parameters[board][5],slot2_parameters[board][5])
#briza.board_init(board, )
#pca.pca_init(board, "OPC")
else:
try:
pca.pca_init(board)
print "Init Sensor 1 on address: %s " % board
briza.sensor1(slot1_parameters[board][5])
time.sleep(0.1)
print "Init Sensor 2 on address: %s " % board
briza.sensor2(slot2_parameters[board][5])
# print slot1_parameters
## print slot2_parameters
except:
raise
while True:
try:
dataline = []
for board in boards:
if any(x in str(slot1_parameters[board][5]) for x in pm_types):
#print str("PM Module / " + str(board))
newdata = briza.readPM(board, slot1_parameters[board][5])
#time.sleep(2)
pca.pca_config_pm(1,0,0)
#time.sleep(0.5)
if newdata.has_key("typeSensor3"):
newdata2 = {'concentration_slot1': newdata.get('concentration_slot3'),
'concentration_slot2': newdata.get('concentration_slot3'),
'typeSensor1': newdata.get('typeSensor3'), 'typeSensor2': newdata.get('typeSensor3'),
'raw_value_slot1': newdata.get('raw_value_slot3'), 'raw_value_slot2': newdata.get('raw_value_slot3'),
"temperature": newdata.get('temperature'), "humidity": newdata.get('humidity'),
"pressure": newdata.get('pressure'), "address": newdata.get('address'), 'unit1': newdata.get('unit1'),'unit2': newdata.get('unit2')}
newdata.pop("concentration_slot3")
newdata.pop('typeSensor3')
newdata.pop('unit3')
newdata.pop('raw_value_slot3')
try:
write_serial(newdata2)
print "PM Data Sent"
#bleClient(newdata2)
except Exception as e:
print e
pass
dataline.append(newdata)
dataline.append(newdata2)
write_serial(newdata)
#time.sleep(0.2)
else:
#print str("Gas Module / " + str(board))
#pca.pca_init(board)
newdata = briza.read(board, slot1_parameters[board], slot2_parameters[board])
dataline.append(newdata)
write_serial(newdata)
print "Gas Data Sent"
#bleData = dict(dataline)
#write_serial(newdata)
#try:
#write_serial(newdata)
#bleClient(newdata)
#bleClient(newdata)
#bleClient(newdata2)
#except Exception as e:
# print e
# pass
briza.dbinsert(dataline)#writeToSocket(dataline)
except AttributeError as ex:
with open('errorlog.txt', 'a') as f:
f.write(str(time.time()) + ',' + str(ex) + '\n')
f.close()
except KeyboardInterrupt:
pca.pca_config_pm(1,1,1)
pca.pca_config(1,1,1)
with open('/home/root/errorlog.txt', 'a') as f:
f.write(str(time.time()) + ',' + "Exited" + '\n')
f.close()
raise Exception, "exited"
except IOError as ex:
print ex
with open('errorlog.txt', 'a') as f:
f.write(str(time.time()) + ',' + str(ex) + '\n')
f.close()
pass
def read(self, board, slot1, slot2, selftest=False):
pca.pca_init(board)
# pm_types = ["OPC", "PPD42", "PPD60", "SHARP"]
# else:
# print "Reading Sensors on "+str(board)+", where Slot1: "+str(slot1)+" / Slot2: "+str(slot2)
temperature, humidity, pressure = self.met_sensors()
# time.sleep(0.1)
ads.get_ads_config0(0x60)
# time.sleep(0.2)
s1vals = self.__conf_gas1__(board)
val1 = float(s1vals[0])
# time.sleep(0.2)
ads.get_ads_config0(0x70)
s2vals = self.__conf_gas2__(board)
# time.sleep(0.2)
val2 = float(s2vals[0])
testval1 = s1vals[2]
testval2 = s2vals[2]
type1, type2 = str(slot1[5]), str(slot2[5])
sensitivity1, sensitivity2 = str(slot1[4]), str(slot2[4])
baseline1, baseline2 = str(slot1[3]), str(slot2[3])
# if temperature <= 25:
# zero1, zero2 = str(list(slot1[2])[0]), str(list(slot2[2])[0])
# span1, span2 = str(list(slot1[1])[0]), str(list(slot2[1])[0])
# else:
zero1, zero2 = (
str(slot1[2]),
str(slot2[2]),
) # str(list(slot1[2])[2]), str(list(slot2[2])[2])# str(slot1[2]), str(slot2[2])
span1, span2 = (
str(slot1[1]),
str(slot2[1]),
) # str(list(slot1[1])[2]), str(list(slot2[1])[2])#str(slot1[1]), str(slot2[1])
print zero1, zero2, span1, span2
unit1, unit2 = str(slot1[0]), str(slot2[0])
con1 = self.__calculate_concentration__(
temperature, val1, sensitivity1, baseline1, zero1, span1, type1.lower().strip("-")
)
con2 = self.__calculate_concentration__(
temperature, val2, sensitivity2, baseline2, zero2, span2, type2.lower().strip("-")
)
print str("Raw: " + str(type1) + ":" + str(val1) + ", " + "Raw " + str(type2) + ":" + str(val2))
dataline = {
"temperature": temperature,
"humidity": humidity,
"pressure": pressure,
"address": board,
"typeSensor1": str(str(type1)),
"raw_value_slot1": val1,
"concentration_slot1": str(con1),
"unit1": str(unit1),
"typeSensor2": str(str(type2)),
"raw_value_slot2": val2,
"unit2": str(unit2),
"concentration_slot2": str(con2),
}
testdataline = {
"temperature": temperature,
"humidity": humidity,
"pressure": pressure,
"address": board,
"typeSensor1": str(str(type1)),
"raw_value_slot1": testval1,
"concentration_slot1": str(testval1),
"unit1": str(unit1),
"typeSensor2": str(str(type2)),
"raw_value_slot2": testval2,
"unit2": str(unit2),
"concentration_slot2": str(testval2),
}
if selftest:
return testdataline
else:
return dataline
