take a look at the web-site of Schlumberger. They do machines like this.
All the documentation needed should be there.
There is even a standard behind. Most machines follow this standard. Only the fields vary.
Yes, most machines are connected via RS232. The protocol is pretty easy to do.
Erich
Q wrote:
Interesting, documentation availability must depend on who you talk to, or what country you live in. I too have been trying to source the programming doco for an eftpos pinpad recently (an Ingenico device), and it has so far been mostly fruitless.
Do you have any documentation for a similar device that you can forward to me that might give me an idea of what such a protocol would normally look like.
Seeya...Q
On Thu, 2003-10-16 at 07:40, Dirk-Willem van Gulik wrote:
On Wed, 15 Oct 2003, Keith Pitcher wrote:
Anyone ever used FreeBSD to talk to a CC swipe machine and / or a cash machine?
A fair number of them (in fact most) are serial ports (though you may need RS232/432 volt/current conversion) devices which are very easy to talk to. Just think 'modem'. Kind off. Documentation is generally excelent.
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