https://forge.codesys.com/forge/talk/Runtime/thread/544c54370e/2020-08-17T16:23:30.555000ZRecent posts to Execute executable program 2020-08-17T16:23:30.555000Z2020-08-17T16:23:30.555000Zelsabzhttps://forge.codesys.com/u/elsabz/https://forge.codesys.com060d604b5e4a78aa67bed8fd43267fb84c67d4e3

<div class="markdown_content"><p>yes it works, thanks.</p></div>

2020-08-11T05:44:15.550000Z2020-08-11T05:44:15.550000Zeschwellingerhttps://forge.codesys.com/u/eschwellinger/https://forge.codesys.com32bc90b001dfd044d496b15473971ebe4d1d18c9

<div class="markdown_content"><p>try to call without sudo..</p></div>

2020-08-09T10:12:32.026000Z2020-08-09T10:12:32.026000Zelsabzhttps://forge.codesys.com/u/elsabz/https://forge.codesys.com3398facee63359134ab2e62228a826e213d2ecdf

<div class="markdown_content"><p>Hello,</p> <p>on raspberrypi 4 I would like to run a program written in C by launching it from the codesys runtime project.<br/> The compiled program launched from the terminal works correctly.<br/> I use the command:</p> <div class="codehilite"><pre><span></span><span class="n">sudo</span> <span class="o">/</span><span class="n">home</span><span class="o">/</span><span class="n">pi</span><span class="o">/</span><span class="n">Documents</span><span class="o">/</span><span class="k">c</span><span class="p">.</span><span class="n">plain</span><span class="o">/</span><span class="n">shm</span><span class="o">/</span><span class="n">shm</span> </pre></div> <p>I add at the bottom in the file /etc/CODESYSControl.cfg and /etc/CODESYSControl_User.cfg</p> <div class="codehilite"><pre><span></span><span class="k">[SysProcess]</span> <span class="na">Command</span><span class="o">=</span><span class="s">AllowAll</span> </pre></div> <p>Then i program this code</p> <div class="codehilite"><pre><span></span><span class="nv">PROGRAM</span> <span class="nv">SysCom</span> <span class="nv">VAR</span> <span class="nv">command1</span> : <span class="nv">STRING</span> :<span class="o">=</span> <span class="s1">'</span><span class="s">sudo /home/pi/Documents/c-plain/shm/shm</span><span class="s1">'</span><span class="c1">;</span> <span class="nv">stdout</span> : <span class="nv">STRING</span><span class="ss">(</span><span class="mi">1000</span><span class="ss">)</span> :<span class="o">=</span> <span class="s1">''</span><span class="c1">; </span> <span class="nb">Result</span> : <span class="nv">RTS_IEC_RESULT</span><span class="c1">;</span> <span class="nv">xExecuteSysP</span>: <span class="nv">BOOL</span><span class="c1">;</span> <span class="nv">END_VAR</span> <span class="k">IF</span> <span class="nv">xExecuteSysP</span> <span class="k">THEN</span> <span class="nv">SysProcess</span>.<span class="nv">SysProcessExecuteCommand2</span><span class="ss">(</span><span class="nv">pszCommand</span>:<span class="o">=</span><span class="nv">command1</span>, <span class="nv">pszStdOut</span>:<span class="o">=</span><span class="nv">stdout</span>, <span class="nv">udiStdOutLen</span>:<span class="o">=</span> <span class="nv">SIZEOF</span><span class="ss">(</span><span class="nv">stdout</span><span class="ss">)</span>,<span class="nv">pResult</span> :<span class="o">=</span> <span class="nv">ADR</span><span class="ss">(</span><span class="nb">Result</span><span class="ss">))</span><span class="c1">;</span> <span class="nv">xExecuteSysP</span> :<span class="o">=</span> <span class="nv">FALSE</span><span class="c1">;</span> <span class="nv">END_IF</span> </pre></div> <p>The SysCom program is called cyclically.<br/> When it works in runtime, setting TRUE the</p> <div class="codehilite"><pre><span></span><span class="n">xExecuteSysP</span> </pre></div> <p>var, nothing happens, the program is not executed.</p> <p>Why doesn't it work?</p></div>