Weighing scale configuration - Odoo 10

Question

I'm setting up a POS PC for a shop and we bought a digital weighing scale (GRAM ZFOC 30 RS).
It
have RS232 usb interface and I can read the output through gtkterm and
change the transfer protocol on the scale but I can't make it work with
Odoo 10 POS. I don't know the values Odoo is listening and how to set
them in the weigh scale (or if it is listening the wheighing scale at
all).
Can you please guide me to the solution?

Carlos Estévez · Accepted Answer

If someone arrives here finding a solution, I made it work by editing addons/hw_scale/controller/main.py and coding my own solution to communicate with the scale using pyserial.

EDIT:

You can get my addons/hw_scale/controller/main.py here:
https://drive.google.com/open?id=0Bw9UGY8yb0B0dWdPQ0NTOFJYNVQ4d19YamI1WTlyeUZMN1JR

You can see the main modification at custom_read_scale() and the scale definition above.

I just edited the code and restarted Odoo. I use Odoo 10. Set the weighing scale to

Emilio Ahumada · Answer

Hi Carlos, I'm from Chile, I try to connect a DIGI ds-782 Scale, but the port it's COM1, I took your code and modified, but does not work. Can you help me? share emails and talk in spanish?.

Alessio De Santo · Answer

Hi Carlos,
I'm interested in configuring another weighing scale as well (Ohaus RV-4211) with protocol Sharp (Dialog 02/04). I'm a beginner in editing Odoo, could you please be a little more precise. Did you just edited the main.py and restarted Odoo? Did you have to recompile the module? or did you create a new module?
Thank you.

David Quintana · Answer

Hi, Carlos.
Did you modify addons/hw_scale/controller/main.py file on Posbox img? I've modify  that file to adapt it to my scale but I can't write it on Posbox image.
Regards,
David Q

asim mohammed · Answer

Can you share the details? because I'm trying to connect my digital scale (PS 60 Mettler-Toledo) by USB port

Jayant Bulbule · Answer

Hi Carlos,
Would you mind sharing what solution you worked out using PySerial? I am stuck with the same issue, but with ODOO v8.
Regards,
Jayant.

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