1  import gc
  2  from testing import yes_no
  3  
  4  gc.collect()
  5  from unittest import TestCase
  6  
  7  gc.collect()
  8  from testing.board.i2c import I2C
  9  
 10  gc.collect()
 11  
 12  
 13  class TestBME280Interactive(TestCase):
 14      def test_read_value(self):
 15  
 16          import board
 17  
 18          gc.collect()
 19          import adafruit_bme280
 20  
 21          gc.collect()
 22  
 23          if not (
 24              yes_no("Is BME280 wired to SCL {} SDA {}".format(board.SCL, board.SDA))
 25          ):
 26              return  # test trivially passed
 27  
 28          i2c = I2C(board.SCL, board.SDA)
 29          bme280 = adafruit_bme280.Adafruit_BME280_I2C(i2c)
 30          temperature = bme280.temperature
 31          humidity = bme280.humidity
 32          pressure = bme280.pressure
 33          altitude = bme280.altitude
 34          self.assertTrue(type(temperature) is float)
 35          self.assertTrue(type(humidity) is float)
 36          self.assertTrue(type(pressure) is float)
 37          self.assertTrue(type(altitude) is float)
 38  
 39          self.assertTrue(-50 <= temperature <= 50)
 40          self.assertTrue(0 <= humidity <= 100)
 41          self.assertTrue(900 <= pressure <= 1100)
 42          self.assertTrue(-1000 <= altitude <= 9, 848)
 43  
 44  
 45  class TestMMA8451Interactive(TestCase):
 46      def test_read_value(self):
 47          import math
 48  
 49          gc.collect()
 50          import board
 51  
 52          gc.collect()
 53  
 54          if not (
 55              yes_no(
 56                  "Is MMA8451 wired to SCL {} SDA {} and held still".format(
 57                      board.SCL, board.SDA
 58                  )
 59              )
 60          ):
 61              return  # test trivially passed
 62          # from https://github.com/adafruit/Adafruit_CircuitPython_MMA8451/blob/29e31a0bb836367bc73763b83513105252b7b264/examples/simpletest.py
 63          import adafruit_mma8451
 64  
 65          i2c = I2C(board.SCL, board.SDA)
 66          sensor = adafruit_mma8451.MMA8451(i2c)
 67  
 68          x, y, z = sensor.acceleration
 69          absolute = math.sqrt(x ** 2 + y ** 2 + z ** 2)
 70          self.assertTrue(9 <= absolute <= 11, "Not earth gravity")
 71  
 72          orientation = sensor.orientation
 73          self.assertTrue(
 74              orientation
 75              in (
 76                  adafruit_mma8451.PL_PUF,
 77                  adafruit_mma8451.PL_PUB,
 78                  adafruit_mma8451.PL_PDF,
 79                  adafruit_mma8451.PL_PDB,
 80                  adafruit_mma8451.PL_LRF,
 81                  adafruit_mma8451.PL_LRB,
 82                  adafruit_mma8451.PL_LLF,
 83                  adafruit_mma8451.PL_LLB,
 84              )
 85          )
 86  
 87  
 88  class TestBNO055Interactive(TestCase):
 89      def test_read_value(self):
 90          """
 91          Access all sensor values as per
 92          https://github.com/adafruit/Adafruit_CircuitPython_BNO055/blob/bdf6ada21e7552c242bc470d4d2619b480b4c574/examples/values.py
 93          Note I have not successfully run this test. Possibly a hardware issue with module I have.
 94          See https://forums.adafruit.com/viewtopic.php?f=60&t=131665
 95          """
 96          import board
 97  
 98          gc.collect()
 99          import adafruit_bno055
100  
101          gc.collect()
102          i2c = I2C(board.SCL, board.SDA)
103          sensor = adafruit_bno055.BNO055(i2c)
104  
105          self.assertTrue(9 <= sensor.gravity <= 11)
106          self.assertTrue(sensor.temperature != 0)
107          self.assertTrue(sensor.acceleration != (0, 0, 0))
108          self.assertTrue(sensor.magnetometer != (0, 0, 0))
109          self.assertTrue(sensor.gyroscope != (0, 0, 0))
110          self.assertTrue(sensor.quaternion != (0, 0, 0, 0))
111          sensor.euler
112          sensor.linear_acceleration