On 02/20/2014 07:21 AM, Mark Rivers wrote:
> You can run Linux commands from st.cmd with the "system" command:
>
> system "echo 113 > /sys/class/gpio/export"
>
> However, the iocsh "system" command is not enabled by default for security reasons.
> This is from the IOC Application Developers Guide:
>
> ***************************************************
> system command_string
> Send command_string to the system command interpreter for execution. This command is present
> only if some application database definition file contains registrar(iocshSystemCommand)
> and if the system provides a suitable command interpreter (vxWorks does not).
> ***************************************************
You can enable the system command in your IOCs by adding the system.dbd
file to the list of DBD files built into the IOC. It contains the
registrar command described above.
- Andrew
--
Advertising may be described as the science of arresting the human
intelligence long enough to get money from it. -- Stephen Leacock
- References:
- Running Linux commands inside 'st.cmd' Amien Crombie
- RE: Running Linux commands inside 'st.cmd' Mark Rivers
- Navigate by Date:
- Prev:
RE: Running Linux commands inside 'st.cmd' Amien Crombie
- Next:
Re: Fwd: epics base with MinGW-w64 Andrew Johnson
- Index:
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
<2014>
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
- Navigate by Thread:
- Prev:
RE: Running Linux commands inside 'st.cmd' Amien Crombie
- Next:
Waveform record I/O interrupt. asyn Vishnu Patel
- Index:
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
<2014>
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
|