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Clarifiy and update usage.rst 

relevant to #230
clarifies the config-file  in the usage.rst
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Patrick Kanzler 2017-06-10 23:35:26 +00:00 committed by GitHub
parent 7c17141fb2
commit 4882c31531
1 changed files with 28 additions and 16 deletions
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doc/user/usage.rst
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@ -1,6 +1,7 @@
*****
Usage
*****
:Last Reviewed: 2017-06-10
Define your printer
-------------------
@ -157,10 +158,12 @@ The printer section
The ``printer`` configuration section defines a default printer to create.
The only required paramter is ``type``. The value of this should be one of the
The only required paramter is ``type``. The value of this has to be one of the
printers defined in :doc:`/user/printers`.
The rest of the parameters are whatever you want to pass to the printer.
The rest of the given parameters will be passed on to the initialization of the printer class.
Use these to overwrite the default values as specified in :doc:`/user/printers`.
This implies that the parameters have to match the parameter-names of the respective printer class.
An example file printer::
@ -171,10 +174,19 @@ An example file printer::
And for a network printer::
printer:
type: network
type: Network
host: 127.0.0.1
port: 9000
An USB-printer could be defined by::
printer:
type: Usb
idVendor: 0x1234
idProduct: 0x5678
in_ep: 0x66
out_ep: 0x01
Printing text right
-------------------
Python-escpos is designed to accept unicode. So make sure that you use ``u'strings'`` or import ``unicode_literals``