I want to set up a Point of Sale at my shop, and I wonder what kind of hardware is supported. Is there a list somewhere ? Where do I get started ?
Odoo is the world's easiest all-in-one management software.
It includes hundreds of business apps:
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- PoS
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Standard Hardware
- Barcode scanners :
- any kind of EAN13 usb barcode scanner should be supported. Make sure you configure it to always emit 13 characters (sometimes they ignore the zero at the start, and then it doesn't work) and that it doesn't end with a special control character. Newline should work Ok.
- Touchscreens :
- Any kind of resistive or multitouch screen should work. In those cases you may want to activate the on screen keyboard in the Point of Sale settings.
- Printers :
- In the default settings, the Point of sale will use the browser to print. In this case any laser or inkjet printer supported by your operating system will work. But those kinds of printers are not ideally suited for printing receipts. There is a 'Print by Proxy' settings that enables you to bypass the browser and directly use your printer, but in this case you'll need to develop a driver for your printer or find one provided by the community.
Custom Hardware
Because the Point of Sale runs in your browser, it is sandboxed and cannot access your hardware directly. To solve that problem, we developed a custom proxy server that must be run on the client machine while running the point of sale. The Proxy server can access your hardware and forward commands to and from the Point of Sale.
The proxy server is part of a standard Odoo install. All you have to do is install Odoo on the client machine and run it with a default setup. What you'll need to do, however, is to customize the proxy to talk to your hardware.
The proxy is located in addons/point_of_sale/controllers/main.py In that file there are several stub rpc methods that will be called by the point of sale to control the hardware. You will need to implement these methods to use your hardware. There is more documentation available for these methods in the addons/point_of_sale/static/src/js/devices.js file. Some of there stubs are for functionality that couldn't be finished and fully tested before release, I'll mark them below as WIP.
Here is a list of the methods available :
scan_item_success(self,request, ean) scan_item_error_unrecognized(self,request,ean) help_needed(self, request) help_canceled(self,request) weighting_start(self,request) weighting_read_kg(self,request) weighting_end(self,request) #WIP payment_request(self,request,price) #WIP payment_status(self,request) #WIP payment_cancel(self,request) transaction_start(self, request) transaction_end(self,request) cashier_mode_activated(self,request) cashier_mode_deactivated(self,request) open_cashbox(self,request) print_receipt(self,request,receipt) #WIP print_pdf_invoice(self,request, pdfinvoice)
Ok, but if I don't want to code the proxy? You should at least have a default implementation of the proxy that will work with some precise hardware, if I buy the exact same one it should work isn't it?
Right now, if you don't want to code the proxy you should stick with the standard hardware setup. We do have specific code for some hardware but it is not ready for release.
I've looked all over the web for this answer!! Wow how did I not know about help.openerp.com until now?? Thank-you so much!
What do you mean by install OpenERP on the client machine? How will it work in a server to multi-clients environment?
You must have a local openerp install on the client machines. There is very little setup to do on those installs, it's just to talk to the hardware. There is unfortunately not many ways around the browser sandbox.
Frédéric, would you mind explaining what this local openerp install means? In my case I would have a PC with the webclient for the POS, and the server installed on the same/different machine. the card reader/receipt printer would be on the same LAN. What else?
Thank you,
I notice that payment communication is WIP. Is there a way as of today to communicate with the card reader? Meaning: 1. sent amount to be charged, payment type (e.g. visa, mc, etc) 2. receive payment transaction result 3. print receipt (this I guess is what this question was about) Thank you so much
Pls let me know if I should open another question for my inquiry; I considered it a developemnt of the original question, but just saw Fabrice's comment :-)
The local openerp install means you need to install an openerp on the same machine that will display the point of sale with a web browser.
And for the card reader, communicating from the python proxy to the hardware will depend on the hardware you use. As for communication from the web client to the python proxy, the basics are there, with a lot left to be done, namely managing errors returned from the reader, and making it work outside the self checkout mode. And the PosOrder object has to be modified to include receipt data generated by the payment terminal.
Oh and, development on the payment terminal is currently on hold on our part, but I'll gladly give pointers or review code :)
Please give more detail on this local openerp install, for OpenErp Ver. 7, there is no client option to install. If it is server installation, how would the local installation get my server data? Is there some config that must be changed to allow local installation to work off server installation?
I'm doing a replacement proxy server to whole OpenERP: https://github.com/Sandwych/openerp_pos_devices_bridge
It's just a proof-of-concept script right now, but it works.
How to set up the 'Print by Proxy' settings that enables you to bypass the browser and directly use your printer.
Is this available for the online Saas V7?
The objective being to print the POS receipt for the customers, rapidly and automatically once the validate button of the POS is pushed.
Please do not ask questions in answers. Instead create a new question.
Is there anyone offering openERP-ready POS setups ?
Also I don't think Walid's question about multi-client setup has been answered ?
Hi just read these 2013 topics and even now I am looking for any solution to this....any solution...
Can you explain what you are looking for? Which version of OpenERP/Odoo?
As Frederic has stated virtually any standard barcode reader can be used. This is basically because they emulate keyboards and end the scanned string with a carriage return. Some older ones may need to be programmed for your choice of barcode standard as they can support multiple symbology standards see http://en.wikipedia.org/wiki/Barcode. Please consult your user manual. I suspect that if your scanner is not reading correctly this may be the case.
Touch screens are also universally supported as they are similar to a trackpad or a mouse.
As for POS printers, this is tricky as because the POS is run within the browser there is no direct interaction with the driver, resulting in garbled or unformated prints. The best out of the box/easy solution is to use Firefox browser with the AttendPrint add on. Although I am still trying to work out the font size issue. I can't change the font size.
Wonder if you managed to work out your problem? May I know what POS printer model are u using?
Hi Ronnie, you can try our Fiscal Printer Module: http://www.didotech.com/index.php/progetti/download/category/2-openerp-70 It gives you a possibility to create a printer driver without using JavaScript and developing proxy server.
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