from hw.sensor.bmp180 import BMP180
from machine import I2C, Pin
from lib.Unit import TemperatureUnit, PressureUnit, AltitudeUnit
from lib.toolkit import log, convert_C_to_F
class BMPType:
BMP180 = 0
BMP280 = 1
def __init__(self):
pass
class BMP:
type = ""
sensor = ""
# @timed_function
def __init__(self, type, scl, sda):
self.type = type
if self.type == 0:
i2c_bus = I2C(scl=Pin(scl), sda=Pin(sda), freq=100000)
self.sensor = BMP180.BMP180(i2c_bus)
self.sensor.oversample_sett = 2
self.sensor.baseline = 101325
elif self.type == 1:
pass #TODO
else:
log.error("Unknown sensor type '{}'. Cannot instantiate it.".format(self.type))
# @timed_function
def get_temperature(self, unit=TemperatureUnit.CELSIUS, show_unit=False):
result = self.sensor.temperature if unit == TemperatureUnit.CELSIUS else convert_C_to_F("%.1f" % self.sensor.temperature)
if show_unit :
result = str(result) + TemperatureUnit.get_unit_initial(TemperatureUnit(), unit)
return result
# @timed_function
def get_pressure(self, unit=PressureUnit.HECTOPASCAL, show_unit=False):
result = ("%.2f" % (self.sensor.pressure / 100))
if show_unit:
result = str(result) + PressureUnit.get_unit_initial(PressureUnit(), unit)
return result
# @timed_function
def get_altitude(self, unit=AltitudeUnit.METERS, show_unit=False):
result = ("%.2f" % self.sensor.pressure)
if show_unit:
result = str(result) + AltitudeUnit.get_unit_initial(AltitudeUnit(), unit)
return result
