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author | Tim Newsome <tim@sifive.com> | 2022-06-08 13:11:21 -0700 |
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committer | GitHub <noreply@github.com> | 2022-06-08 13:11:21 -0700 |
commit | a2da8221872ae6d69369a8a03553450c942b559b (patch) | |
tree | d5d8bd90f3636e7daaac4c2fa8cb92979047e918 /doc | |
parent | 40458f6b251c943b76792d6a2bf8c7633636a935 (diff) | |
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Document `ftdi oscan1_mode` (#705)
Change-Id: I29b001bc6b9f29f1976aac3f02e15e4490707a4b
Signed-off-by: Tim Newsome <tim@sifive.com>
Diffstat (limited to 'doc')
-rw-r--r-- | doc/openocd.texi | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/doc/openocd.texi b/doc/openocd.texi index 850b914..73f53c2 100644 --- a/doc/openocd.texi +++ b/doc/openocd.texi @@ -2582,6 +2582,13 @@ minimal impact on the target system. Avoid floating inputs, conflicting outputs and initially asserted reset signals. @end deffn +@deffn {Command} {ftdi oscan1_mode} on|off +Enable or disable OSCAN1 mode. This mode is intended for use with an adapter, +such as the ARM-JTAG-SWD by Olimex, that sits in between the FTDI chip and the +target. The adapter uses the normal JTAG signals to control TCKC and TMSC +(bidirectional) signals used in 2-wire cJTAG. +@end deffn + @deffn {Command} {ftdi layout_signal} name [@option{-data}|@option{-ndata} data_mask] [@option{-input}|@option{-ninput} input_mask] [@option{-oe}|@option{-noe} oe_mask] [@option{-alias}|@option{-nalias} name] Creates a signal with the specified @var{name}, controlled by one or more FTDI GPIO pins via a range of possible buffer connections. The masks are FTDI GPIO |