mirror of
https://github.com/licsber/micropython.git
synced 2024-09-20 09:00:23 +08:00
007878781c
This is how the names will be printed on the sticker that goes on top of the EMI shield. The shorter names also help saving a few bytes of RAM and ROM.
47 lines
1.0 KiB
ReStructuredText
47 lines
1.0 KiB
ReStructuredText
.. _pyb.HeartBeat:
|
|
|
|
class HeartBeat -- heart beat LED
|
|
=================================
|
|
|
|
The HeartBeat class controls the heart beat led which by default
|
|
flashes once every 5s. The user can disable the HeartBeat and then
|
|
is free to control this LED manually through GP25 using the Pin
|
|
class. The GP25 can also be remapped as a PWM output, an this
|
|
can be used to control the light intesity of the heart beat LED.
|
|
|
|
Example usage::
|
|
|
|
hb = pyb.HeartBeat()
|
|
hb.disable() # disable the heart beat
|
|
hb.enable() # enable the heart beat
|
|
|
|
Constructors
|
|
------------
|
|
|
|
.. class:: pyb.HeartBeat()
|
|
|
|
Create a HeartBeat object.
|
|
|
|
Methods
|
|
-------
|
|
|
|
.. method:: heartbeat.enable()
|
|
|
|
Enable the heart beat. The LED will flash once every 5 seconds.
|
|
|
|
.. method:: heartbeat.disable()
|
|
|
|
Disable the heart beat. The LED can then be controlled manually.
|
|
|
|
Example::
|
|
|
|
import pyb
|
|
|
|
# disable the heart beat
|
|
pyb.HeartBeat().disable()
|
|
# get the GP25 pin object
|
|
hbl = pyb.Pin('GP25')
|
|
# toggle the led
|
|
hbl.toggle()
|
|
...
|