auracaster/openocd
3
0
Fork 1
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

jtag/drivers/ftdi: add option to declare signal aliases

Browse Source 
This adds -alias|-nalias options to ftdi_layout_signal command that
allow to declare a new signal based on an already defined one.

Change-Id: I552578ebcd12ae21957a1c0d3b7e878adeff6df0
Signed-off-by: Paul Fertser <fercerpav@gmail.com>
Reviewed-on: http://openocd.zylin.com/2181
Tested-by: jenkins
Reviewed-by: Andreas Fritiofson <andreas.fritiofson@gmail.com>
This commit is contained in:
Paul Fertser
2014-06-20 12:47:24 +04:00
committed by Andreas Fritiofson
parent 335bafbb25
commit a87e699edf
2 changed files with 19 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
doc/openocd.texi
View File

@@ -2767,7 +2767,7 @@ minimal impact on the target system. Avoid floating inputs, conflicting outputs
and initially asserted reset signals.
@end deffn
@deffn {Config Command} {ftdi_layout_signal} name [@option{-data}|@option{-ndata} data_mask] [@option{-oe}|@option{-noe} oe_mask]
@deffn {Config Command} {ftdi_layout_signal} name [@option{-data}|@option{-ndata} data_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
register bitmasks to tell the driver the connection and type of the output
@@ -2790,6 +2790,10 @@ target without any buffer. The FTDI pin is then switched between output and
input as necessary to provide the full set of low, high and Hi-Z
characteristics. In all other cases, the pins specified in a signal definition
are always driven by the FTDI.
If @option{-alias} or @option{-nalias} is used, the signal is created
identical (or with data inverted) to an already specified signal
@var{name}.
@end deffn
@deffn {Command} {ftdi_set_signal} name @option{0}|@option{1}|@option{z}