I'm using libftdi-0.20 and libusb-win32-bin-1.2.6.0 I believe those are the
newer drivers, right?
There was no ft2232_latency in my flyswatter3.cfg file so I added one setting
it to 1 but it made no difference in the download speed.
Are you able to see faster speeds with your version of openOCD?
From: Salvador Arroyo [mailto:salva...@telecable.es]
Sent: Friday, March 22, 2013 12:54 AM
To: openocd-devel@lists.sourceforge.net
Subject: Re: [OpenOCD-devel] Does MIPS FASTDATA in 0.6.1 work?
On 03/22/2013 03:23 AM, Mindy Beseler wrote:
Hi,
I didn't try the patch per se but I put the jtag_add_clocks() call in the
fastdata for loop. Hardcoding the number of clocks.
My major concern at this point is seeing what's the max download speed we can
get out of openOCD.
With the code changed to call jtag_execute_queue in each
mips_ejtag_fastdata_scan I was seeing download speeds of 2k/sec.
The adapter_khz setting seemed to make no difference.
I guess you are using the old, now deprecated, ft2232 driver. And probably, in
the adapter configuration file, ft2232_latency is set to 2.
If that's the case, change ft2232_latency to 1. At least the transfer speed
should be near 4k.
Please try to use the new ftdi driver.
Thanks
Salvador
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