1try:
2    try:
3        import umachine as machine
4    except ImportError:
5        import machine
6    machine.PinBase
7    machine.time_pulse_us
8except:
9    print("SKIP")
10    raise SystemExit
11
12
13class ConstPin(machine.PinBase):
14    def __init__(self, value):
15        self.v = value
16
17    def value(self, v=None):
18        if v is None:
19            return self.v
20        else:
21            self.v = v
22
23
24class TogglePin(machine.PinBase):
25    def __init__(self):
26        self.v = 0
27
28    def value(self, v=None):
29        if v is None:
30            self.v = 1 - self.v
31            print("value:", self.v)
32            return self.v
33
34
35p = TogglePin()
36
37t = machine.time_pulse_us(p, 1)
38print(type(t))
39t = machine.time_pulse_us(p, 0)
40print(type(t))
41
42p = ConstPin(0)
43print(machine.time_pulse_us(p, 1, 10))
44print(machine.time_pulse_us(p, 0, 10))
45