:-)

Ok, I think i have added to the project the incredible quantity of 20
line of documentation with a Pull Request !!!!

WOW, I am officially an open source community contributor !!!

Regards,
S.


On 01/09/2020 11:10, Christofer Dutz wrote:
> And if you have problems creating the PR from the documentation … PRs for 
> that welcome too ;-)
>
> Just kidding … if you need help with that, just ask :-)
>
> Chris
>
> Von: Stefano Bossi <stefano.bo...@gmail.com>
> Antworten an: <dev@plc4x.apache.org>
> Datum: Dienstag, 1. September 2020 um 10:40
> An: <dev@plc4x.apache.org>
> Betreff: Re: Adding Using PLC4X with Grade to documentation ... WAS: Re: S7 
> read issue
>
> ok, I try, I will read how to do a PR and I will add the documentation on git.
>
> Ciao,
> S.
>
>
> On 01/09/2020 09:18, Christofer Dutz wrote:
>
> Hi Stefano,
>
>
>
> it would be super-great if you could whip up a PR for our documentation … 
> it’s also in the same repo under src/site/asciidoc …
>
>
>
> Chris
>
>
>
>
>
>
>
> Von: Stefano Bossi <stefano.bo...@gmail.com><mailto:stefano.bo...@gmail.com>
>
> Antworten an: <dev@plc4x.apache.org><mailto:dev@plc4x.apache.org>
>
> Datum: Montag, 31. August 2020 um 15:18
>
> An: <dev@plc4x.apache.org><mailto:dev@plc4x.apache.org>
>
> Betreff: Re: S7 read issue
>
>
>
>
>
> Hi Sebastian,
>
>
>
> Chris wrote a very good page on how to compile the library which is a very 
> big software: https://plc4x.apache.org/developers/building.html
>
>
>
> On Mac I found no problem to follow the guide and I think on windows should 
> be fine too.
>
>
>
> As extra suggestion on the guide I could add something if you use Gradle for 
> your software: the compilation build and install all the jars local in your 
> machine, if you would access this local jar storage via gradle you have just 
> to add mavenLocal() to the list of repositories:
>
>
>
> repositories {
>
>
>
>     mavenCentral()
>
>
>
>     mavenLocal()
>
>
>
> }
>
>
>
> I’s not not difficult to figure out but I spend a couple of hours wandering 
> how to do so it’s worth sharing
>
>
>
> Regards,
>
> S.
>
>
>
> On 31/08/2020 14:45, Christofer Dutz wrote:
>
>
>
> Hi Sebasitan,
>
>
>
>
>
>
>
> Just some minutes ago I submitted a fix for your problem.
>
>
>
> Please give it a try :-)
>
>
>
>
>
>
>
> Chris
>
>
>
>
>
>
>
>
>
>
>
> Am 31.08.20, 11:41 schrieb "Sebastian Voss" 
> <svdevl...@gmail.com><mailto:svdevl...@gmail.com><mailto:svdevl...@gmail.com><mailto:svdevl...@gmail.com>:
>
>
>
>
>
>
>
>     Hi Chris,
>
>
>
>
>
>
>
>     JIRA issue with attachment is created 
> https://issues.apache.org/jira/browse/PLC4X-246 
> <https://issues.apache.org/jira/browse/PLC4X-246><https://issues.apache.org/jira/browse/PLC4X-246><https://issues.apache.org/jira/browse/PLC4X-246><https://issues.apache.org/jira/browse/PLC4X-246>.
>  I will try to change the settings and report back the result.
>
>
>
>
>
>
>
>     Thanks a lot and best regards,
>
>
>
>     Sebastian
>
>
>
>
>
>
>
>     > On 31. Aug 2020, at 11:08, Christofer Dutz 
> <christofer.d...@c-ware.de><mailto:christofer.d...@c-ware.de><mailto:christofer.d...@c-ware.de><mailto:christofer.d...@c-ware.de>
>  wrote:
>
>
>
>     >
>
>
>
>     > Hi Sebastian …
>
>
>
>     >
>
>
>
>     > Unfortunately attachments don’t work on this mailing list. Could you 
> please create a JIRA issue?
>
>
>
>     >
>
>
>
>     > And I think I can help you with that error of yours:
>
>
>
>     > Go into the settings of your S7 and  enable PUT/GET … the folks from 
> NodeRed made a nice video:
>
>
>
>     > https://www.youtube.com/watch?v=rTUs-_EiZ3A (Just the first 1,5 minutes)
>
>
>
>     >
>
>
>
>     > But the driver should definitely report this … as it is a known thing 
> and if we reported that it would help a lot of others.
>
>
>
>     >
>
>
>
>     > Chris
>
>
>
>     >
>
>
>
>     >
>
>
>
>     >
>
>
>
>     >
>
>
>
>     > Von: Sebastian Voss 
> <svdevl...@gmail.com><mailto:svdevl...@gmail.com><mailto:svdevl...@gmail.com><mailto:svdevl...@gmail.com>
>
>
>
>     > Antworten an: 
> "dev@plc4x.apache.org"<mailto:dev@plc4x.apache.org><mailto:dev@plc4x.apache.org><mailto:dev@plc4x.apache.org>
>  
> <dev@plc4x.apache.org><mailto:dev@plc4x.apache.org><mailto:dev@plc4x.apache.org><mailto:dev@plc4x.apache.org>
>
>
>
>     > Datum: Montag, 31. August 2020 um 10:49
>
>
>
>     > An: 
> "dev@plc4x.apache.org"<mailto:dev@plc4x.apache.org><mailto:dev@plc4x.apache.org><mailto:dev@plc4x.apache.org>
>  
> <dev@plc4x.apache.org><mailto:dev@plc4x.apache.org><mailto:dev@plc4x.apache.org><mailto:dev@plc4x.apache.org>
>
>
>
>     > Betreff: Re: S7 read issue
>
>
>
>     >
>
>
>
>     > Hi Chris, Hi Stefano,
>
>
>
>     >
>
>
>
>     > Thanks a lot for your valuable feedback. It is highly appreciated.
>
>
>
>     >
>
>
>
>     > I followed Stefanos suggestions and applied the simplifications. In 
> addition I created a Wireshark capture which is attached to this email.
>
>
>
>     >
>
>
>
>     > It seems it replies with “[Error code: This service is not implemented 
> on the module or a frame error was reported (0x8104)]"
>
>
>
>     >
>
>
>
>     > Does this mean the address is wrong or is it something else?
>
>
>
>     >
>
>
>
>     > Best regards,
>
>
>
>     > Sebastian
>
>
>
>     >
>
>
>
>     >
>
>
>
>     >> On 31. Aug 2020, at 09:42, Stefano Bossi 
> <stefano.bo...@gmail.com><mailto:stefano.bo...@gmail.com><mailto:stefano.bo...@gmail.com><mailto:stefano.bo...@gmail.com>
>  wrote:
>
>
>
>     >>
>
>
>
>     >> Hi Sebastian,
>
>
>
>     >>
>
>
>
>     >> if you need some help in setup the wireshark capture software or open 
> the jira ticket I could help.
>
>
>
>     >>
>
>
>
>     >> It’s definitely worth to follow the Chris suggestion to help him to 
> spot the real problem.
>
>
>
>     >>
>
>
>
>     >> In the mean time I think you could simplify the PLC query in this way:
>
>
>
>     >>
>
>
>
>     >> String Url: s7:tcp://172.3.4.5:102?controller-type=S7_1200
>
>
>
>     >>
>
>
>
>     >> String field: %DB20:5.0:BOOL
>
>
>
>     >>
>
>
>
>     >> As far as the address of the Data Block and the bool value are 
> correct, should work.
>
>
>
>     >> There were nothing particular wrong in your query but the library is 
> somewhat “sensible” if something goes wrong in the dialogue with the PLC
>
>
>
>     >>
>
>
>
>     >> An another thing you should pay attention is that the Data Block MUST 
> be NOT optimized; reading of optimized block is not currently supported. This 
> shouldn’t be your case because an attempt to read an optimized block raise an 
> exception or a null value.
>
>
>
>     >>
>
>
>
>     >> Try and let us know.
>
>
>
>     >>
>
>
>
>     >> Regards,
>
>
>
>     >> Stefano
>
>
>
>     >>
>
>
>
>     >> On 31/08/2020 08:48, Christofer Dutz wrote:
>
>
>
>     >>
>
>
>
>     >>
>
>
>
>     >>
>
>
>
>     >>> Hi Sebastian,
>
>
>
>     >>>
>
>
>
>     >>> could you possibly do a wireshark recording of this, create an issue 
> in our jira and attach the capture there?
>
>
>
>     >>> I am sure we haven't handled all things that could go wrong and with 
> this information I might be able to improve the error handling.
>
>
>
>     >>>
>
>
>
>     >>> Chris
>
>
>
>     >>>
>
>
>
>     >>>
>
>
>
>     >>>
>
>
>
>     >>>
>
>
>
>     >>> Am 30.08.20, 18:28 schrieb "Sebastian Voss"
>
>
>
>     >>> 
> <svdevl...@gmail.com><mailto:svdevl...@gmail.com><mailto:svdevl...@gmail.com><mailto:svdevl...@gmail.com>
>
>
>
>     >>> :
>
>
>
>     >>>
>
>
>
>     >>>    Hi,
>
>
>
>     >>>
>
>
>
>     >>>    I’m trying to read a value from an Siemens S7-1200 PLC). This is 
> my first project using the S7 protocol and plc4x. When I try to read a value 
> the read request is not being executed (I also do not receive an error 
> message or timeout). Would this be the normal behaviour when the field 
> address is wrong? I’m out of ideas how to trace this down. Any hints would be 
> highly appreciated.
>
>
>
>     >>>
>
>
>
>     >>>    This is the simple program I created:
>
>
>
>     >>>
>
>
>
>     >>>    String url = 
> "s7://172.3.4.5:102?local-rack=0&local-slot=1&remote-rack=0&remote-slot=1&controller-type=S7_1200
>  
> <s7://172.3.4.5:102?local-rack=0&local-slot=1&remote-rack=0&remote-slot=1&controller-type=S7_1200>";
>
>
>
>     >>>    PlcDriverManager manager = new PlcDriverManager();
>
>
>
>     >>>    PlcConnection connection = manager.getConnection(url);
>
>
>
>     >>>
>
>
>
>     >>>    boolean isConnected = connection.isConnected();
>
>
>
>     >>>    boolean canRead = connection.getMetadata().canRead();
>
>
>
>     >>>
>
>
>
>     >>>    System.out.println(isConnected);  // prints true
>
>
>
>     >>>    System.out.println(canRead);  // prints true
>
>
>
>     >>>
>
>
>
>     >>>    String field = "%DB20:DBX05.0:BOOL";
>
>
>
>     >>>    PlcReadRequest request = connection
>
>
>
>     >>>           .readRequestBuilder()
>
>
>
>     >>>           .addItem("value-1", field)
>
>
>
>     >>>           .build();
>
>
>
>     >>>
>
>
>
>     >>>    PlcReadResponse response = request.execute().get();  // here is 
> hangs forever
>
>
>
>     >>>
>
>
>
>     >>>    System.out.println(response.getFieldNames());
>
>
>
>     >>>
>
>
>
>     >>>    connection.close();
>
>
>
>     >>>
>
>
>
>     >>>    Thanks a lot in advance!
>
>
>
>     >>>
>
>
>
>     >>>    Best regards,
>
>
>
>     >>>    Sebastian
>
>
>
>     >>>
>
>
>
>     >>>
>
>
>
>     >>
>
>
>
>     >>
>
>
>
>
>
>
>
>
>
> ​
>
>

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