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openocd/src/jtag/drivers
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Matthias Welwarsky e026d3ff1b jtag ftdi: sample TDO on falling edge of TCK 
Due to signal propagation delays, sampling TDO on rising TCK can become
quite peculiar at fast TCK rates. However, FTDI chips offer a possiblity
to sample TDO on falling edge. With this change, stable operation can be
achieved at 30MHz clock even over 10cm ribbon cable.

Change-Id: Icaf240535dae15512e3c60a944e22a5fbc1b0b06
Signed-off-by: Matthias Welwarsky <matthias@welwarsky.de>
Reviewed-on: http://openocd.zylin.com/3180
Tested-by: jenkins
Reviewed-by: Paul Fertser <fercerpav@gmail.com>
2016-02-13 23:04:49 +00:00
..
libjaylink@fdba4c3f22 drivers: jlink: rework to allow scans of arbitrary length, bump libjaylink 2016-01-15 10:37:27 +00:00
OpenULINK OpenULINK firmware: update firmware hex image 2013-07-17 14:31:19 +00:00
usb_blaster jtag/drivers: remove useless checks causing build failure with clang 3.5.0 2015-01-30 09:02:20 +00:00
versaloon vsllink: Port to libusb-1.0 API 2014-07-03 19:43:16 +00:00
amt_jtagaccel.c jtag: constify driver arrays 2014-10-06 11:57:36 +00:00
arm-jtag-ew.c update files to correct FSF address 2013-06-05 19:52:42 +00:00
at91rm9200.c jtag: constify driver arrays 2014-10-06 11:57:36 +00:00
bcm2835gpio.c jtag: drivers: bcm2835gpio: fix a typo in informational message 2015-12-28 11:21:11 +00:00
bitbang.c swd: Remove DAP from parameter list 2015-12-29 20:26:45 +00:00
bitbang.h swd: Remove DAP from parameter list 2015-12-29 20:26:45 +00:00
bitq.c update files to correct FSF address 2013-06-05 19:52:42 +00:00
bitq.h update files to correct FSF address 2013-06-05 19:52:42 +00:00
buspirate.c jtag/drivers/buspirate: add JTAG_STABLECLOCKS cmd 2015-03-09 06:25:21 +00:00
cmsis_dap_usb.c swd: Remove DAP from parameter list 2015-12-29 20:26:45 +00:00
driver.c Retire jtag_add_dr_out 2014-01-20 13:28:26 +00:00
dummy.c update files to correct FSF address 2013-06-05 19:52:42 +00:00
ep93xx.c update files to correct FSF address 2013-06-05 19:52:42 +00:00
ft2232.c jtag: constify driver arrays 2014-10-06 11:57:36 +00:00
ftd2xx_common.h update files to correct FSF address 2013-06-05 19:52:42 +00:00
ftdi.c jtag ftdi: sample TDO on falling edge of TCK 2016-02-13 23:04:49 +00:00
gw16012.c update files to correct FSF address 2013-06-05 19:52:42 +00:00
jlink.c drivers: jlink: rework to allow scans of arbitrary length, bump libjaylink 2016-01-15 10:37:27 +00:00
jtag_vpi.c jtag_vpi: make the server address configurable 2013-12-31 12:00:49 +00:00
libusb_common.h update files to correct FSF address 2013-06-05 19:52:42 +00:00
libusb1_common.c libusb: introduce jtag_libusb_choose_interface() and use it for JLink 2014-10-06 18:40:39 +00:00
libusb1_common.h libusb: introduce jtag_libusb_choose_interface() and use it for JLink 2014-10-06 18:40:39 +00:00
libusb0_common.c libusb: introduce jtag_libusb_choose_interface() and use it for JLink 2014-10-06 18:40:39 +00:00
libusb0_common.h libusb: introduce jtag_libusb_choose_interface() and use it for JLink 2014-10-06 18:40:39 +00:00
Makefile.am Improve J-Link driver and introduce libjaylink. 2015-11-26 12:19:22 +00:00
Makefile.rlink update files to correct FSF address 2013-06-05 19:52:42 +00:00
minidriver_imp.h Retire jtag_add_dr_out 2014-01-20 13:28:26 +00:00
mpsse.c mpsse: Display libusb error names instead of numbers 2014-09-22 19:39:09 +00:00
mpsse.h mpsse: Defer errors until flush 2013-08-01 10:31:08 +00:00
opendous.c jtag: constify driver arrays 2014-10-06 11:57:36 +00:00
openjtag.c Added OpenJTAG Driver 2013-06-05 19:52:15 +00:00
osbdm.c Support hla_serial command for ST-LINK adapters. 2014-09-22 19:36:05 +00:00
parport.c jtag: constify driver arrays 2014-10-06 11:57:36 +00:00
presto.c update files to correct FSF address 2013-06-05 19:52:42 +00:00
remote_bitbang.c jtag/drivers/remote_bitbang: use sizeof to determine maximum unix socket path length 2014-04-14 18:16:52 +00:00
rlink_call.m4 update files to correct FSF address 2013-06-05 19:52:42 +00:00
rlink_dtc_cmd.h update files to correct FSF address 2013-06-05 19:52:42 +00:00
rlink_ep1_cmd.h update files to correct FSF address 2013-06-05 19:52:42 +00:00
rlink_init.m4 update files to correct FSF address 2013-06-05 19:52:42 +00:00
rlink_speed_table.c build: cleanup src/jtag/drivers directory 2012-02-06 10:59:07 +00:00
rlink_st7.h update files to correct FSF address 2013-06-05 19:52:42 +00:00
rlink.c update files to correct FSF address 2013-06-05 19:52:42 +00:00
rlink.h update files to correct FSF address 2013-06-05 19:52:42 +00:00
stlink_usb.c stlink_usb: fix typo 2015-09-30 22:47:27 +01:00
sysfsgpio.c sysfsgpio: support broken gpio implementations 2015-12-29 20:37:14 +00:00
ti_icdi_usb.c jtag/drivers/ti_icdi: do not segfault when adapter can't be opened 2015-04-24 16:08:18 +01:00
ulink.c jtag/drivers: remove useless checks causing build failure with clang 3.5.0 2015-01-30 09:02:20 +00:00
usb_common.c update files to correct FSF address 2013-06-05 19:52:42 +00:00
usb_common.h update files to correct FSF address 2013-06-05 19:52:42 +00:00
usbprog.c update files to correct FSF address 2013-06-05 19:52:42 +00:00
vsllink.c swd: Remove DAP from parameter list 2015-12-29 20:26:45 +00:00