@bkt ... nothings appens because (after start linuxcnc from terminal ...)
**********************************************************
* Current Directory = /home/bkt/linuxcnc-dev/configs/sim/axis
*
**********************************************************
* BufferName = emcCommand
* BufferType = 0
* ProcessName = emc
* Configuration File =
/home/bkt/linuxcnc-dev/configs/sim/axis/emc.nml /*
write emc.nml or linuxcnc.nml seems the same things but file is different
... not know why */
* CMS Status = -3 (CMS_INTERNAL_ACCESS_ERROR: An error occured during an
internal access function. )
* Recent errors repeated:
CMS:(emcCommand) Message size of 9288674231451648 exceeds maximum of 8120
* BufferLine: B emcCommand SHMEM localhost 8192 0
0 1 16 1001 TCP=5005 xdr
* ProcessLine: P emc emcCommand LOCAL localhost RW
0 1.0 0 0
* error_type = 5 (NML_INTERNAL_CMS_ERROR)
************************************************************
libnml/cms/cms_in.cc 708:* CMS:(emcCommand) Message size of
9288674231451649 exceeds maximum of 8120*
or in QtDro terminal:
libnml/cms/cms_xup.cc 303: CMS_XDR_UPDATER: Can't rewind because
current_stream is NULL.
libnml/cms/cms_xup.cc 279: CMS_XDR_UPDATER: Required pointer is NULL.
libnml/cms/cms_xup.cc 279: CMS_XDR_UPDATER: Required pointer is NULL.
*Seems stream is null so it impossible "write" sometings .... but *
emcStatus->motion.traj.position.tran.x;
emcStatus->motion.traj.position.tran.y;
emcStatus->motion.traj.position.tran.z;
Work great in any case ....
bkt
Il giorno mar 31 dic 2019 alle ore 09:10 theman whosoldtheworld <
bleachk...@gmail.com> ha scritto:
> @N thanks Nicklas .... with your suggest I understand a little better the
> code ... these is myne renewed (and more complete than the last one ... I
> have not entered the tedious and useless functions to understand the
> problem here ... but if I can finish the job for January (when my holidays
> are over) I will post the complete project on the forum:
>
> using namespace std;
>
> static RCS_CMD_CHANNEL *emcCommandBuffer = 0; /* I've declared
> 'emcCommandBuffer' as "static" ... seems these is not right */
> static RCS_STAT_CHANNEL *emcStatusBuffer = 0;
> EMC_STAT *emcStatus = 0;
> static NML *emcErrorBuffer = 0;
> static char error_string[NML_INTERNAL_CMS_ERROR] = "";
> static int emcCommandSerialNumber = 0;
>
> int counter = 0;
>
> void QtDro::run()
> {
> double thX = 0;
> double thY = 0;
> double thZ = 0;
> double thA = 0;
> double thB = 0;
> double thC = 0;
> double thU = 0;
> double thV = 0;
> double thW = 0;
>
> QTextStream(stdout) << "First run function" << endl;
>
>
> const char *nmlfile =
> "/home/bkt/linuxcnc-dev/configs/common/linuxcnc.nml";
> RCS_STAT_CHANNEL *stat = new RCS_STAT_CHANNEL(emcFormat, "emcStatus",
> "xemc", nmlfile);
> RCS_CMD_CHANNEL *cmd = new RCS_CMD_CHANNEL(emcFormat, "emcCommand",
> "xemc", nmlfile, 0);
> NML *error = new NML(emcFormat, "emcError", "xemc", nmlfile);
>
> while(1)
> {
> if((stat->peek() != EMC_STAT_TYPE) || (!stat->valid()))
> {
> QTextStream(stdout) << "while these program NOT run " <<
> endl;
> break;
> }
> else
> {
> EMC_STAT *emcStatus =
> static_cast<EMC_STAT*>(stat->get_address());
>
> if ((thX != emcStatus->motion.traj.position.tran.x) || (thY !=
> emcStatus->motion.traj.position.tran.y) || (thZ !=
> emcStatus->motion.traj.position.tran.z))
> {
> thX = emcStatus->motion.traj.position.tran.x;
> thY = emcStatus->motion.traj.position.tran.y;
> thZ = emcStatus->motion.traj.position.tran.z;
> thA = 0;
> thB = 0;
> thC = 0;
> thU = 0;
> thV = 0;
> thW = 0;
> emit thXYZABCDEF(thX, thY, thZ, thA, thB, thC, thU, thV,
> thW);
> }
>
> if(counter>=50 && counter<51)
> {
>
> QTextStream(stdout) << "state_msg try zone" << endl;
> EMC_TASK_SET_STATE state_msg;
> QTextStream(stdout) << "spy 1" << endl;
> state_msg.state = EMC_TASK_STATE_OFF;
> QTextStream(stdout) << "spy 2" << endl;
> state_msg.serial_number = ++emcCommandSerialNumber;
> QTextStream(stdout) << "actual value of state_msg: " <<
> state_msg.state << endl;
> QTextStream(stdout) << "these steps seems right .. now
> try to write" << endl;
> cmd->write(&state_msg);
> // emcCommandBuffer->write(&state_msg); /* these NOT work
> because not declare 'emcCommandBuffer' with automatic memory allocation
> with macro "new" */
> QTextStream(stdout) << "just write on emcCommandBuffer"
> << endl;
>
> }
>
> counter++;
> }
>
>
> this->msleep(100);
> }
> }
>
>
> At these point terminal reply to my good news:
>
> bkt@bkt:~/linuxcnc-dev$ QtDro
> argc: 1 argv: 0x7ffd462f8b98 nmlfile:
> First Application Start ok
> First run function
> state_msg try zone
> spy 1
> spy 2
> spy 3
> actual value of state_msg: 3
> these steps seems right .. now try to write
> just write on emcCommandBuffer
>
> But on Axis Gui SIM that I use as test gui, nothing change ....
>
> how can I understand if Lcnc actually had my command? (Axis is active and on
> on .... after the EMC_TASK_STATE_OFF command I expected the button toggle to
> go OFF ... maybe launch the wrong command?)
>
> regards
>
>
> Il giorno lun 30 dic 2019 alle ore 19:08 N <nicklas.karlsso...@gmail.com>
> ha scritto:
>
>> > @ N *for sure problem is related to gcc version and qt *.... because
>> if
>> > run other ubuntu 18.04 with gcc 5.x all work like my develop pc that
>> > contains gcc 5.5.
>>
>> It could also be a coincidence, at least my myself quite often make wrong
>> conclusion then similar errors happen so I use to double checkt.
>>
>> > Any how now I have other problem related previous post .....
>> >
>> > if(counter>=50 && counter<51)
>> > {
>> > QTextStream(stdout) << "state_msg try zone" << endl;
>> > EMC_TASK_SET_STATE *state_msg = (EMC_TASK_SET_STATE
>> > *)malloc(sizeof (EMC_TASK_SET_STATE));
>> > QTextStream(stdout) << "spy 1" << endl;
>> > // state_msg->clear(); /* these not work because try
>> to
>> > clear empty array? */
>> > QTextStream(stdout) << "spy 2" << endl;
>> > state_msg->state = EMC_TASK_STATE_OFF;
>> > QTextStream(stdout) << "spy 3" << endl;
>> > state_msg->serial_number = ++emcCommandSerialNumber;
>> > QTextStream(stdout) << "actual value of state_msg: "
>> <<
>> > state_msg->state << endl;
>> > QTextStream(stdout) << "these steps seems right .. now
>> > try to write" << endl;
>> > emcCommandBuffer->write(state_msg);
>> > QTextStream(stdout) << "just write on
>> emcCommandBuffer"
>> > << endl;
>> > free(state_msg);
>> >
>> > }
>> >
>> > counter++;
>>
>> Most often use C and more seldom C++ so I might make misstake without
>> compiling it for myself first. Would suggest this code to get rid of
>> malloc(...) function and initialize variable then declared and as a const
>> if not supposed to change.
>>
>> if(counter>=50 && counter<51)
>> {
>> QTextStream(stdout) << "state_msg try zone" << endl;
>> EMC_TASK_SET_STATE state_msg();
>>
>> QTextStream(stdout) << "spy 1" << endl;
>> state_msg->clear(); /* these not work because try to clear empty
>> array? */
>> QTextStream(stdout) << "spy 2" << endl;
>> state_msg->state = EMC_TASK_STATE_OFF;
>> QTextStream(stdout) << "spy 3" << endl;
>> state_msg->serial_number = ++emcCommandSerialNumber;
>> QTextStream(stdout) << "actual value of state_msg: " <<
>> state_msg->state << endl;
>> QTextStream(stdout) << "these steps seems right .. now try to write"
>> << endl;
>> emcCommandBuffer->write(state_msg);
>> QTextStream(stdout) << "just write on emcCommandBuffer" << endl;
>> }
>> counter++;
>>
>> If I get it correct your code does not work because you allocate memory
>> but does not create object, C++ have a constructor for this which I
>> conclude from Linuxcnc code have no parameters.
>> EMC_TASK_SET_STATE *state_msg = new EMC_TASK_SET_STATE();
>> ...
>> free(state_msg)
>>
>> As you free memory at bottom I would suggest to use local variable as in
>> first example above, then you will not forget to free memory, it also make
>> possible stack like memory allocation.
>> EMC_TASK_SET_STATE state_msg();
>>
>>
>> I use Eclipse then finding declarations is easier even though it does not
>> work well for C++ or if Linuxcnc code is the problem. Codeblocks might be
>> another good option if it works.
>>
>>
>> Nicklas Karlsson
>>
>>
>> _______________________________________________
>> Emc-developers mailing list
>> Emc-developers@lists.sourceforge.net
>> https://lists.sourceforge.net/lists/listinfo/emc-developers
>>
>
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