def test_bad_arguments():
# Owi object expected.
with assert_raises(TypeError, "Owi object expected"):
Ds18b20(None)
def test_get_temperature():
ds18b20 = Ds18b20(Owi(board.PIN_LED))
assert ds18b20.get_temperature(b'\x282345678') == 22.0
def test_get_devices():
ds18b20 = Ds18b20(Owi(board.PIN_LED))
assert ds18b20.get_devices() == [b'\x282345678', b'\x282345679']
def test_convert():
ds18b20 = Ds18b20(Owi(board.PIN_LED))
assert ds18b20.convert() == None
def test_print():
print(Ds18b20)
help(Ds18b20)
ds18b20 = Ds18b20(Owi(board.PIN_LED))
print(ds18b20)
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
# BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 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.
#
# This file is part of the Pumbaa project.
#
import binascii
import board
from drivers import Ds18b20, Owi
OWI = Owi(board.PIN_GPIO17)
DS18B20 = Ds18b20(OWI)
# Search for devices on the OWI bus.
print('Number of sensors:', OWI.search())
while True:
# Taking a new temperature sample.
DS18B20.convert()
for device_id in DS18B20.get_devices():
print('Device id: {}, Temperature: {}'.format(
binascii.hexlify(device_id), DS18B20.get_temperature(device_id)))