Date: Mon, 13 Oct 2014 06:14:26 +0100 From: Steve Burton <steve@sliderule.demon.co.uk> To: freebsd-questions@freebsd.org Subject: Re: RFID tag read/write on FreeBSD Message-ID: <543B5FB2.6050300@sliderule.demon.co.uk> In-Reply-To: <CAFuo_fwON2zFpR3WZ7g0s%2Bcp4AMQx9GkMpHmLaM5awqLQJ7vJg@mail.gmail.com> References: <CAFuo_fzv-XT5U3wE0gPyopCwmpUDRJwmSRBuqKUv%2BsM8Kv2ddA@mail.gmail.com> <CAFuo_fwON2zFpR3WZ7g0s%2Bcp4AMQx9GkMpHmLaM5awqLQJ7vJg@mail.gmail.com>
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On 13/10/2014 04:45, Waitman Gobble wrote: > On Sun, Oct 12, 2014 at 5:05 PM, Waitman Gobble <gobble.wa@gmail.com> wrote: > >> Hi, >> >> If you are wanting to read and write RFID tags (for like tracking people, >> and stuff) on FreeBSD I am working on software based on the Impinj R2000 >> chipset. The SDK/demos are in c# / .NET, which runs in 'mono' but the mono >> people have apparently omitted the code for serial port callback functions >> so it basically sits there.. which is useless IMHO. So it looked to me like >> more work to make the code do what i need it to, at least in my >> application, instead of starting from scratch. >> >> Anyhow at the moment it's performing basic functions and reading tags.. >> writing tags soon. >> >> ie, >> >> # ./rfid >> Connected to /dev/cuaU0 at 115200 baud. >> RFID read/write tags >> Control-C or Q<enter> to quit, >> R<enter> to Read Tag >> >> Received Command: 72 >> Firmware Version: 1.9 >> r<enter> >> Received Command: 81 >> Tag: [pc 30 0] [epc e2 0 57 76 76 6 1 52 5 90 d7 5f] [crc 7f 6] [data e2 0 >> 57 76] [ant 1] [cnt 1] >> >> It's free. >> >> https://github.com/waitman/rfid >> >> builds with clang but needs boost port. i presume it may work with the >> RS500, R500 or R1000 chips but I've not any of those to test. >> >> -- >> Waitman Gobble >> Los Altos California USA >> 510-830-7975 >> > > Update, writing tags now works. > > Also tested on PR9200 chip, Phychips. Which is apparently optimized for > "Fast Moving Consumer Goods". so if you want to track those kinds of things > instead of people. After I talked to some people I now understand the > protocol is mostly standardized so it might be good to turn this into a > port, since it should theoretically work with all the modern RFID > chipsets. And "AFAIK" RFID tag stuff has been limited to MS OS computers. > > > > # ./rfid > Connected to /dev/cuaU0 at 115200 baud. > RFID read/write tags > Control-C or Q<enter> to quit, > R<enter> to Read Tag > W<enter> to Write Tag > > Received Command: 72 > Firmware Version: 1.9 > r > Received Command: 81 > Tag: [pc 30 0] [epc 11 22 33 44 76 6 1 52 5 90 d7 5f] [crc 8a 6] [data 11 > 22 33 44] [ant 1] [cnt 1] > w > Write Tag. Now enter data on one line. Four bytes separated by SPACEs. > Example: 11 22 33 44<enter> > 55 77 88 33 > Received Command: 82 > Tag Write Operation Complete. Read Tag to confirm data. > r > Received Command: 81 > Tag: [pc 30 0] [epc 55 77 88 33 76 6 1 52 5 90 d7 5f] [crc 6a 2f] [data 55 > 77 88 33] [ant 1] [cnt 1] > q > > > Note: > > At the moment it's hard-coded for 4 data bytes in EPC. This can be adjusted > in the code, eventually may be entered as command. > > For what it's worth, RFID tag stuff is also available for MCU's (Arduino etc.). Steve.
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