def comp_P(adc_pres):
global flo
pressure = 0.0
v1 = (flo / 2.0) - 64000.0
v2 = (((v1 / 4.0) * (v1 / 4.0)) / 2048) * dP[5]
v2 = v2 + ((v1 * dP[4]) * 2.0)
v2 = (v2 / 4.0) + (dP[3] * 65536.0)
v1 = (((dP[2] * (((v1 / 4.0) * (v1 / 4.0)) / 8192)) / 8) +
((dP[1] * v1) / 2.0)) / 262144
v1 = ((32768 + v1) * dP[0]) / 32768
if v1 == 0:
return 0
pressure = ((1048576 - adc_pres) - (v2 / 4096)) * 3125
if pressure < 0x80000000:
pressure = (pressure * 2.0) / v1
else:
pressure = (pressure / v1) * 2
v1 = (dP[8] * (((pressure / 8.0) * (pressure / 8.0)) / 8192.0)) / 4096
v2 = ((pressure / 4.0) * dP[7]) / 8192.0
pressure = pressure + ((v1 + v2 + dP[6]) / 16.0)
pressure = pressure / 100 #converts to hPa
# Save to db
newReading = RecentPressureModel(None, None, pressure)
logging.info("Reading pressure sensor with value: " + str(pressure))
newReading.post()
def mockRun():
while True:
try:
# Mock data creation
value = random.uniform(0,100)
newReading = RecentPressureModel(None,None,value)
# Insert
logging.info("Generating mock data for pressure sensor with value: "+str(value))
newReading.post()
time.sleep(5)
except BaseException as e:
logging.exception(e)