Fix env var for pigpio

Also provide example for starting pigpiod on boot.
This commit is contained in:
rgm
2017-04-21 11:20:11 -05:00
parent c05fc2e570
commit 0115cce324

View File

@@ -48,7 +48,7 @@ example::
You will need to launch the pigpio daemon every time you wish to use this
feature. To automate running the daemon at boot time::
???
sudo systemctl enable pigpiod
Preparing the host computer
===========================
@@ -149,7 +149,7 @@ ensure the default pin factory is set to ``PiGPIOPin``. If ``RPi.GPIO`` is
installed, this will be selected as the default pin factory, so either uninstall
it, or use another environment variable to set it to ``PiGPIOPin``::
$ GPIOZERO_PIN_FACTORY=pigpio PIGPIO_ADDR=192.168.1.3 python3 hello.py
$ GPIOZERO_PIN_FACTORY=PiGPIOPin PIGPIO_ADDR=192.168.1.3 python3 hello.py
This usage will set the pin factory to :class:`PiGPIOPin` with a default host of
``192.168.1.3``. The pin factory can be changed inline in the code, as seen in
@@ -212,7 +212,7 @@ environment variables, or by using :meth:`~Device._set_pin_factory`:
.. literalinclude:: examples/traffichat_remote_1.py
This also allows you to swap between two IP addresses and create instances of
mutliple HATs connected to different Pis:
multiple HATs connected to different Pis:
.. literalinclude:: examples/traffichat_remote_2.py