From b9672bcbe8dd29b61326af8eb026df4d10a8f0ce Mon Sep 17 00:00:00 2001
From: Damien George <damien.p.george@gmail.com>
Date: Fri, 16 Sep 2016 23:31:02 +1000
Subject: [PATCH] tests/extmod: Add test for machine.time_pulse_us().
---
tests/extmod/machine_pulse.py | 54 +++++++++++++++++++++++++++++++
tests/extmod/machine_pulse.py.exp | 9 ++++++
2 files changed, 63 insertions(+)
create mode 100644 tests/extmod/machine_pulse.py
create mode 100644 tests/extmod/machine_pulse.py.exp
diff --git a/tests/extmod/machine_pulse.py b/tests/extmod/machine_pulse.py
new file mode 100644
index 000000000..b6e126435
--- /dev/null
+++ b/tests/extmod/machine_pulse.py
@@ -0,0 +1,54 @@
+try:
+ import umachine as machine
+except ImportError:
+ import machine
+try:
+ machine.PinBase
+ machine.time_pulse_us
+except AttributeError:
+ print("SKIP")
+ import sys
+ sys.exit()
+
+
+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)
+try:
+ machine.time_pulse_us(p, 1, 10)
+except OSError:
+ print("OSError")
+
+try:
+ machine.time_pulse_us(p, 0, 10)
+except OSError:
+ print("OSError")
diff --git a/tests/extmod/machine_pulse.py.exp b/tests/extmod/machine_pulse.py.exp
new file mode 100644
index 000000000..f9a474218
--- /dev/null
+++ b/tests/extmod/machine_pulse.py.exp
@@ -0,0 +1,9 @@
+value: 1
+value: 0
+<class 'int'>
+value: 1
+value: 0
+value: 1
+<class 'int'>
+OSError
+OSError
--
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