def test_setting_interval():
# Check that setting the interval does change the time the debouncer waits
db = adafruit_debouncer.Debouncer(_false, interval=0.01)
db.update()
# set the interval to a longer time, sleep for a time between
# the two interval settings, and assert that the value hasn't changed.
db.function = _true
db.interval = 0.2
db.update()
assert db.interval - 0.2 < 0.00001, "interval is not consistent"
time.sleep(0.11)
db.update()
assertEqual(db.value, False)
assertEqual(db.rose, False)
assertEqual(db.fell, False)
# and then once the whole time has passed make sure it did change
time.sleep(0.11)
db.update()
assertEqual(db.value, True)
assertEqual(db.rose, True)
assertEqual(db.fell, False)
def test_interval_is_the_same():
db = adafruit_debouncer.Debouncer(_false, interval=0.25)
assertEqual(db.value, False)
db.update()
db.function = _true
db.update()
time.sleep(0.1) # longer than default interval
db.update()
assertEqual(db.value, False)
time.sleep(0.2) # 0.1 + 0.2 > 0.25
db.update()
assertEqual(db.value, True)
assertEqual(db.rose, True)
assertEqual(db.interval, 0.25)
def test_back_and_forth():
# Start false
db = adafruit_debouncer.Debouncer(_false)
assertEqual(db.value, False)
# Set the raw state to true, update, and make sure the debounced
# state has not changed yet:
db.function = _true
db.update()
assertEqual(db.value, False)
assert not db.last_duration, "There was no previous interval??"
# Sleep longer than the debounce interval, so state can change:
time.sleep(0.02)
db.update()
assert db.last_duration # is actually duration between powerup and now
assertEqual(db.value, True)
assertEqual(db.rose, True)
assertEqual(db.fell, False)
# Duration since last change has only been long enough to run these
# asserts, which should be well under 1/10 second
assert db.current_duration < 0.1, "Unit error? %d" % db.current_duration
# Set raw state back to false, make sure it's not instantly reflected,
# then wait and make sure it IS reflected after the interval has passed.
db.function = _false
db.update()
assertEqual(db.value, True)
assertEqual(db.fell, False)
assertEqual(db.rose, False)
time.sleep(0.02)
assert 0.019 < db.current_duration <= 1, (
"Unit error? sleep .02 -> duration %d" % db.current_duration
)
db.update()
assertEqual(db.value, False)
assertEqual(db.rose, False)
assertEqual(db.fell, True)
assert 0 < db.current_duration <= 0.1, (
"Unit error? time to run asserts %d" % db.current_duration
)
assert 0 < db.last_duration < 0.1, (
"Unit error? Last dur should be ~.02, is %d" % db.last_duration
)
#########
def makeButton(_pin, _col, _name):
return [digitalio.DigitalInOut(_pin), _name, _col]
btns = [
makeButton(board.D3, makeColor(255, 0, 0), "lx"),
makeButton(board.D1, makeColor(0, 255, 0), "rx")
]
for i in range(len(btns)):
btns[i][0].direction = digitalio.Direction.INPUT
btns[i][0].pull = digitalio.Pull.UP
btns[i].append(debouncer.Debouncer(btns[i][0]))
#########
# config
#########
pages = []
curPage = -1
def makePageFromCsv(_csv):
global pages
s = _csv.split(",")
nTokens = len(s)
if nTokens > 3:
page = []