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