[Tutor] serial device emulator

[Edgar Almonte]

got it , thanks a lot

On Tue, Jul 5, 2011 at 8:18 AM, Adam Bark <adam.jtm30 at gmail.com> wrote:
> What Chris is getting at is that you'll use some module, eg pyserial, to
> interface with the serial port. So if you write a little module that has the
> same interface then you can pretend you have a serial port attached device
> and then switch over to an actual one without changing anything else in your
> code but the import.
>
> ## myserial.py ##
> class Serial:
>    def __init__(self, port=None):
>        pass
>    def open(self):
>        pass
>    def close():
>        pass
>    def read(size=1):
>        return 'a' * size
>    def write(data):
>        return len(data)
> #####
>
> ## foo.py ##
> import myserial as serial
> #import serial ## Use this in production
>
> port = serial.Serial()
> port.open()
> print port.write("hello, world")
> print port.read(3)
> ####
>
> I hope that makes it clearer to you.
> Adam.
> P.S. none of that code has been tested
>
>
> On 05/07/11 13:03, Edgar Almonte wrote:
>>
>> thanks chirs but i think  i don't follow you , can you elaborate more ?
>>
>> Thanks
>>
>> On Mon, Jul 4, 2011 at 8:49 PM, Chris Fuller
>> <cfuller084 at thinkingplanet.net>  wrote:
>>>
>>> You don't need to emulate a serial port (since you're writing the code;
>>> you'd
>>> have to emulate the port if it was standalone software), only your serial
>>> port
>>> library.  Write a class that has the same methods as the serial port
>>> library
>>> you're using (you only need the methods you're using or think you might
>>> use
>>> later), and fill them in with the appropriate code so it behaves like
>>> your real
>>> device.
>>>
>>> Cheers
>>>
>>> On Monday 04 July 2011, Edgar Almonte wrote:
>>>>
>>>> Hello list need some advice/help with something, i am doing a program
>>>> in python that send some command via serial to a device so far so good
>>>> , the thing is not have the program so i need make another program
>>>> that emulate the behavior of this serial device ( is quiet simple ) to
>>>> test my app
>>>> i read abou that i can use pseudo terminal in linux but not sure how
>>>> attatch the pseudo terminal /dev/pts5 example to a fake_device.py file
>>>> or something like that.
>>>>
>>>> maybe this question is not so python but i will appreciate some help.
>>>>
>>>>
>>>> Thanks
>>>> _______________________________________________
>>>> Tutor maillist  -  Tutor at python.org
>>>> To unsubscribe or change subscription options:
>>>> http://mail.python.org/mailman/listinfo/tutor
>>>
>>> _______________________________________________
>>> Tutor maillist  -  Tutor at python.org
>>> To unsubscribe or change subscription options:
>>> http://mail.python.org/mailman/listinfo/tutor
>>>
>> _______________________________________________
>> Tutor maillist  -  Tutor at python.org
>> To unsubscribe or change subscription options:
>> http://mail.python.org/mailman/listinfo/tutor
>
> _______________________________________________
> Tutor maillist  -  Tutor at python.org
> To unsubscribe or change subscription options:
> http://mail.python.org/mailman/listinfo/tutor
>