Wednesday, March 18, 2015

EGWU openocd 0.7.0 egwu_interface_usb.cfg

I grabbed the first fully assembled board from storage to test this morning and got the same results. very disheartening. I thought then I should focus on the ft2232_layout. I couldnt find "oocdlink" pin layouts in the first few google searches. But I found the one for "usbjtag" in the openocd thesis on www.openocd.org/files/thesis.pdf on page 6.

This of course matched the FTDI application note AN_129 (Interfacing FTDI USB Hi-Speed Devices to a JTAG TAP) which I based my design on.










cd /usr/local/share/openocd/scripts/interface
cp openocd-usb-hs.cfg egwu_interface_usb.cfg
change oocdlink to usbjtag below



#
# embedded projects openocd usb adapter v3
#
# http://shop.embedded-projects.net/index.php?module=artikel&action=artikel&id=14
#

interface ft2232
ft2232_vid_pid 0x0403 0x6010
ft2232_device_desc "Dual RS232-HS"
ft2232_layout "usbjtag"
ft2232_latency 2

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