libftdi Archives

Subject: Re: ft4232h & control of peripherals

From: Uwe Bonnes <bon@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx>
To: libftdi@xxxxxxxxxxxxxxxxxxxxxxx
Date: Wed, 16 Nov 2011 10:56:54 +0100
...
    Robert> This, however, is a problem. The kernel only supports these
    Robert> devices as serial ports. If you want JTAG or I2C you will need
    Robert> to use libftdi.  Furthermore I don't think libftdi and ftdi_sio
    Robert> play nicely together, so you will need to do the RS232 with
    Robert> libftdi too. 

You can use the kernel interface on one device and libftdi on another.

    Robert> If you have a custom PID (FTDI will issue you a
    Robert> batch if you ask) then the kernel will not try to use ftdi_sio
    Robert> for your device so using libftdi should be no problem.

libftdi unload the kernel interface with no problem.

    Robert> I'll leave the other questions to the experts as I've not tried
    Robert> doing I2C or JTAG

Bye
-- 
Uwe Bonnes                bon@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx

Institut fuer Kernphysik  Schlossgartenstrasse 9  64289 Darmstadt
--------- Tel. 06151 162516 -------- Fax. 06151 164321 ----------

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