mirror
/
BME280
kopia lustrzana https://github.com/robert-hh/BME280
1
0
Forkuj 0
Kod Zgłoszenia Projekty Wydania Wiki Aktywność

bme280_xxx.py: Make the code a little bit more PEP8 compliant

pull/6/head
hh 2019-01-01 11:10:11 +01:00
rodzic 92773a9c95
commit 0223507e1e
2 zmienionych plików z 39 dodań i 21 usunięć
Pokaż statystyki Ściągnij plik aktualizacji Ściągnij plik porównania Expand all files Collapse all files

27
bme280_float.py
Wyświetl plik

@ -1,3 +1,10 @@
# Updated 2018
# This module is based on the below cited resources, which are all
# based on the documentation as provided in the Bosch Data Sheet and
# the sample implementation provided therein.
#
# Final Document: BST-BME280-DS002-15
#
# Authors: Paul Cunnane 2016, Peter Dahlebrg 2016
#
# This module borrows from the Adafruit BME280 Python library. Original
@ -31,6 +38,7 @@
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#
import time
from ustruct import unpack, unpack_from
@ -82,7 +90,7 @@ class BME280:
_, self.dig_H1 = unpack("<HhhHhhhhhhhhBB", dig_88_a1)
self.dig_H2, self.dig_H3, self.dig_H4,\
self.dig_H5, self.dig_H6 = unpack("<hBbhb", dig_e1_e7)
self.dig_H5, self.dig_H6 = unpack("<hBbhb", dig_e1_e7)
# unfold H4, H5, keeping care of a potential sign
self.dig_H4 = (self.dig_H4 * 16) + (self.dig_H5 & 0xF)
self.dig_H5 //= 16
@ -140,8 +148,8 @@ class BME280:
this to read out the sensor without allocating heap memory
Returns:
array with temperature, pressure, humidity. Will be the one from
the result parameter if not None
array with temperature, pressure, humidity. Will be the one
from the result parameter if not None
"""
self.read_raw_data(self._l3_resultarray)
raw_temp, raw_press, raw_hum = self._l3_resultarray
@ -160,7 +168,7 @@ class BME280:
var1 = (self.dig_P3 * var1 * var1 / 524288.0 + self.dig_P2 * var1) / 524288.0
var1 = (1.0 + var1 / 32768.0) * self.dig_P1
if (var1 == 0.0):
pressure = 30000 # avoid exception caused by division by zero
pressure = 30000 # avoid exception caused by division by zero
else:
p = ((1048576.0 - raw_press) - (var2 / 4096.0)) * 6250.0 / var1
var1 = self.dig_P9 * p * p / 2147483648.0
@ -171,8 +179,8 @@ class BME280:
# humidity
h = (self.t_fine - 76800.0)
h = ((raw_hum - (self.dig_H4 * 64.0 + self.dig_H5 / 16384.0 * h)) *
(self.dig_H2 / 65536.0 * (1.0 + self.dig_H6 / 67108864.0 * h *
(1.0 + self.dig_H3 / 67108864.0 * h))))
(self.dig_H2 / 65536.0 * (1.0 + self.dig_H6 / 67108864.0 * h *
(1.0 + self.dig_H3 / 67108864.0 * h))))
humidity = h * (1.0 - self.dig_H1 * h / 524288.0)
# humidity = max(0, min(100, humidity))
@ -190,7 +198,7 @@ class BME280:
@sealevel.setter
def sealevel(self, value):
if 30000 < value < 120000: # just ensure some reasonable value
if 30000 < value < 120000: # just ensure some reasonable value
self.__sealevel = value
@property
@ -200,8 +208,8 @@ class BME280:
'''
from math import pow
try:
p = 44330 * (1.0 - pow(self.read_compensated_data()[1]
/ self.__sealevel, 0.1903))
p = 44330 * (1.0 - pow(self.read_compensated_data()[1] /
self.__sealevel, 0.1903))
except:
p = 0.0
return p
@ -225,4 +233,3 @@ class BME280:
return ("{:.2f}C".format(t), "{:.2f}hPa".format(p/100),
"{:.2f}%".format(h))

33
bme280_int.py
Wyświetl plik

@ -1,3 +1,10 @@
# Updated 2018
# This module is based on the below cited resources, which are all
# based on the documentation as provided in the Bosch Data Sheet and
# the sample implementation provided therein.
#
# Final Document: BST-BME280-DS002-15
#
# Authors: Paul Cunnane 2016, Peter Dahlebrg 2016
#
# This module borrows from the Adafruit BME280 Python library. Original
@ -31,6 +38,11 @@
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#
# Based on the documentation as provided in the Bosch Data Sheet and
# the sample implementation provided therein.
# Document BST-BME280-DS002-15
#
import time
from ustruct import unpack, unpack_from
@ -81,7 +93,7 @@ class BME280:
_, self.dig_H1 = unpack("<HhhHhhhhhhhhBB", dig_88_a1)
self.dig_H2, self.dig_H3, self.dig_H4,\
self.dig_H5, self.dig_H6 = unpack("<hBbhb", dig_e1_e7)
self.dig_H5, self.dig_H6 = unpack("<hBbhb", dig_e1_e7)
# unfold H4, H5, keeping care of a potential sign
self.dig_H4 = (self.dig_H4 * 16) + (self.dig_H5 & 0xF)
self.dig_H5 //= 16
@ -139,8 +151,8 @@ class BME280:
this to read out the sensor without allocating heap memory
Returns:
array with temperature, pressure, humidity. Will be the one from
the result parameter if not None
array with temperature, pressure, humidity. Will be the one
from the result parameter if not None
"""
self.read_raw_data(self._l3_resultarray)
raw_temp, raw_press, raw_hum = self._l3_resultarray
@ -170,10 +182,10 @@ class BME280:
# humidity
h = self.t_fine - 76800
h = (((((raw_hum << 14) - (self.dig_H4 << 20) -
(self.dig_H5 * h)) + 16384)
>> 15) * (((((((h * self.dig_H6) >> 10) *
(((h * self.dig_H3) >> 11) + 32768)) >> 10) +
2097152) * self.dig_H2 + 8192) >> 14))
(self.dig_H5 * h)) + 16384) >> 15) *
(((((((h * self.dig_H6) >> 10) *
(((h * self.dig_H3) >> 11) + 32768)) >> 10) + 2097152) *
self.dig_H2 + 8192) >> 14))
h = h - (((((h >> 15) * (h >> 15)) >> 7) * self.dig_H1) >> 4)
h = 0 if h < 0 else h
h = 419430400 if h > 419430400 else h
@ -193,7 +205,7 @@ class BME280:
@sealevel.setter
def sealevel(self, value):
if 300 < value < 1200: # just ensure some reasonable value
if 300 < value < 1200: # just ensure some reasonable value
self.__sealevel = value
@property
@ -203,8 +215,8 @@ class BME280:
'''
from math import pow
try:
p = 44330 * (1.0 - pow((self.read_compensated_data()[1] / 256)
/ self.__sealevel, 0.1903))
p = 44330 * (1.0 - pow((self.read_compensated_data()[1] / 256) /
self.__sealevel, 0.1903))
except:
p = 0.0
return p
@ -233,4 +245,3 @@ class BME280:
h = h / 1024
return ("{}C".format(t / 100), "{:.02f}hPa".format(p/100),
"{:.02f}%".format(h))