libftdi Archives

Subject: Re: Can't set DTR pin

From: Thomas Jarosch <thomas.jarosch@xxxxxxxxxxxxx>
To: libftdi@xxxxxxxxxxxxxxxxxxxxxxx
Cc: Ladislav Vaiz <spam@xxxxxxxxx>
Date: Tue, 15 May 2012 09:13:31 +0200
On Monday, 14. May 2012 20:49:10 Ladislav Vaiz wrote:
> Hello again,
> I found solution. One must call ftdi_set_bitmode with BITMODE_RESET to
> clear bitmode previously set by bitbang test program. Or replug the
> device. My assumption that ftdi_open resets the device was wrong.
> 
> I think this e-mail will spare some time to my folowers ;-)

Interesting find, ftdi_usb_open_dev() actually calls ftdi_usb_reset().
Looks like this is not enough.

I think it's safe if we add the BITMODE_RESET after the
ftdi_usb_reset() call in ftdi_usb_open_dev(). Any objections?

Thomas

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