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Code Issues Releases Activity

Readme updates for callbacks to close #49

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Robert Wolterman
2017-01-08 20:45:16 +00:00
parent 6972f352ae
commit 5723bf15b3
1 changed files with 15 additions and 1 deletions
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README.rst
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@ -206,7 +206,21 @@ Detecting events::
if GPIO.event_detected("XIO-P0"): if GPIO.event_detected("XIO-P0"):
print "event detected!" print "event detected!"
CHIP_IO can also handle adding callback functions on any pin that supports edge detection. CHIP_IO can also handle adding callback functions on any pin that supports edge detection.::
def mycallback(channel):
print("we hit the edge we want")
GPIO.setup("GPIO3", GPIO.IN)
# Add Callback: Falling Edge
GPIO.add_event_callback("GPIO3", GPIO.FALLING, mycallback)
# Add Callback: Rising Edge
GPIO.add_event_callback("GPIO3", GPIO.RISING, mycallback)
# Add Callback: Both Edges
GPIO.add_event_callback("GPIO3", GPIO.BOTH, mycallback)
# Remove callback
GPIO.remove_event_detect("GPIO3")
**GPIO Cleanup** **GPIO Cleanup**