def test_read_value(self):
import math
gc.collect()
import board
gc.collect()
if not (yes_no(
"Is MMA8451 wired to SCL {} SDA {} and held still".format(
board.SCL, board.SDA))):
return # test trivially passed
# from https://github.com/adafruit/Adafruit_CircuitPython_MMA8451/blob/29e31a0bb836367bc73763b83513105252b7b264/examples/simpletest.py
import adafruit_mma8451
i2c = I2C(board.SCL, board.SDA)
sensor = adafruit_mma8451.MMA8451(i2c)
x, y, z = sensor.acceleration
absolute = math.sqrt(x**2 + y**2 + z**2)
self.assertTrue(9 <= absolute <= 11, "Not earth gravity")
orientation = sensor.orientation
self.assertTrue(orientation in (
adafruit_mma8451.PL_PUF,
adafruit_mma8451.PL_PUB,
adafruit_mma8451.PL_PDF,
adafruit_mma8451.PL_PDB,
adafruit_mma8451.PL_LRF,
adafruit_mma8451.PL_LRB,
adafruit_mma8451.PL_LLF,
adafruit_mma8451.PL_LLB,
))
def test_read_value(self):
import board
gc.collect()
import adafruit_bme280
gc.collect()
if not (yes_no("Is BME280 wired to SCL {} SDA {}".format(
board.SCL, board.SDA))):
return # test trivially passed
i2c = I2C(board.SCL, board.SDA)
bme280 = adafruit_bme280.Adafruit_BME280_I2C(i2c)
temperature = bme280.temperature
humidity = bme280.humidity
pressure = bme280.pressure
altitude = bme280.altitude
self.assertTrue(type(temperature) is float)
self.assertTrue(type(humidity) is float)
self.assertTrue(type(pressure) is float)
self.assertTrue(type(altitude) is float)
self.assertTrue(-50 <= temperature <= 50)
self.assertTrue(0 <= humidity <= 100)
self.assertTrue(900 <= pressure <= 1100)
self.assertTrue(-1000 <= altitude <= 9, 848)
def test_blink(self):
"""LED blinks when proper attributes set"""
print()
from adafruit_blinka.agnostic import sleep
if not (led_hardwired) and not (yes_no(
"Is LED wired to {}".format(led_pin))):
return # test trivially passed
with DigitalInOut(led_pin) as led:
led.direction = Direction.OUTPUT
# should now be OUT, PUSH_PULL, value=0, and LED should light
led.value = False if led_inverted else True
self.assertTrue(yes_no("Is LED lit"))
print("Winking LED...")
for count in range(2):
led.value = not (led.value)
sleep(0.5)
led.value = not (led.value)
sleep(0.5)
self.assertTrue(yes_no("Did LED wink twice"))
def test_button_pull_down(self):
print()
"""Pull-down button configured and detected"""
with DigitalInOut(default_pin) as button:
#button.direction = Direction.INPUT # implied
try:
button.pull = Pull.DOWN
except NotImplementedError as e:
print(e)
return # pull unsupported, test trivially passed
except Exception as e:
print(e)
return # pull unsupported, test trivially passed
if (yes_no("Is Button wired from {} to VCC".format(default_pin))):
self.assertTrue(button.value == False)
self.assertTrue(
await_true("button pressed", lambda: button.value == True))