Hi Adam,
> >> I've developed an open-source python library for RFID, called RFIDIOt
> >> (http://rfidiot.org), which works with ACG serial RFID readers. I've
> >> just acquired the USB version of the reader and wanted to add support
> >> for it, but it isn't immediately recognised by the usbserial driver and
> >> I wondered if anyone had any ideas on how to get it fired up?
> >>
> >> Contents of /proc/bus/usb/devices:
> >>
> >> T: Bus=02 Lev=01 Prnt=01 Port=01 Cnt=02 Dev#= 5 Spd=12 MxCh= 0
> >> D: Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1
> >> P: Vendor=0403 ProdID=dd20 Rev= 4.00
> >> S: Manufacturer=ACG Austria
> >> S: Product=USB Converter
> >> S: SerialNumber=49502950
> >> C:* #Ifs= 1 Cfg#= 1 Atr=80 MxPwr=500mA
> >> I: If#= 0 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=ff Driver=(none)
> >> E: Ad=81(I) Atr=02(Bulk) MxPS= 64 Ivl=0ms
> >> E: Ad=02(O) Atr=02(Bulk) MxPS= 64 Ivl=0ms
> >>
> >> When I manually load the driver, I get the following in dmesg:
> >>
> >> # modprobe usbserial vendor=0x0403 product=0xdd20 debug
> >
> > As you found out, that's not going to really work :)
> >
> > I suggest you contact the vendor to try to get the protocol used to talk
> > to this device. Or take it apart and see if it has a chip in it that we
> > already have a driver for (like the pl2303 or ftdi_sio driver.) Then
> > just add your device id to that driver and you should be fine.
>
> Thanks for the suggestion... Vendor reported it was an FTDI device, so
> digging a bit deeper I found that this works correctly:
the attached patch went into the 2.6.17 kernel. So starting with that
kernel it should work for you and the driver should autoload.
Regards
Marcel
commit 20a0f47e18c646bcc772282512fc59e56b2fc968
Author: Ian Abbott <[EMAIL PROTECTED]>
Date: Thu May 4 11:34:25 2006 +0100
[PATCH] USB: ftdi_sio: Add support for HCG HF Dual ISO RFID Reader
This patch adds support for ACG Identification Technologies GmbH's HF
Dual ISO Reader (an RFID tag reader) to the ftdi_sio driver's device ID
table. The product ID was supplied by anotonios (anton at goto10 dot
org) on the ftdi-usb-sio-devel list and subsequently verified by myself
(Ian Abbott).
Signed-off-by: Ian Abbott <[EMAIL PROTECTED]>
Signed-off-by: Greg Kroah-Hartman <[EMAIL PROTECTED]>
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index 8215120..9498da4 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -498,6 +498,7 @@ static struct usb_device_id id_table_combined [] = {
{ USB_DEVICE(FTDI_VID, FTDI_ASK_RDR400_PID) },
{ USB_DEVICE(ICOM_ID1_VID, ICOM_ID1_PID) },
{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_TMU_PID) },
+ { USB_DEVICE(FTDI_VID, FTDI_ACG_HFDUAL_PID) },
{ }, /* Optional parameter entry */
{ } /* Terminating entry */
};
diff --git a/drivers/usb/serial/ftdi_sio.h b/drivers/usb/serial/ftdi_sio.h
index 2c55a5e..3e4123f 100644
--- a/drivers/usb/serial/ftdi_sio.h
+++ b/drivers/usb/serial/ftdi_sio.h
@@ -426,6 +426,11 @@
#define PAPOUCH_VID 0x5050 /* Vendor ID */
#define PAPOUCH_TMU_PID 0x0400 /* TMU USB Thermometer
*/
+/*
+ * ACG Identification Technologies GmbH products (http://www.acg.de/).
+ * Submitted by anton -at- goto10 -dot- org.
+ */
+#define FTDI_ACG_HFDUAL_PID 0xDD20 /* HF Dual ISO Reader (RFID) */
/* Commands */
#define FTDI_SIO_RESET 0 /* Reset the port */
-------------------------------------------------------------------------
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