bitfile content mismatch

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21 Jul 2016 22:08 #77796 by koge
Hello,
I'm a newbie here in all manner. Neither macineing nor Linuxcnc /Cad-Cam is my desk, however I'm in a big hurry to get it on with. Read a lot, achieved a lot but still far from good.

I've got a machine with XYZ step/dir driven servos and a stepper 4th axis through TB6600.
Have a 7i92 IO card to connect with generic BOBs.
It seems, that succesfully generated bitfiles for BOBs, and managed to set up a working XYZ ini/hal config.

When I was up to add the 4th axis extending the ini/hal statements, got an error message:
"./7i92.hal:227: Pin 'hm2_7i92.0.stepgen.03.enable' does not exist"

When I query the I/O card hmid, it says:
Configuration pin-out:

IO Connections for P2
Pin#  I/O   Pri. func    Sec. func       Chan      Pin func        Pin Dir

 1      0   IOPort       PWM              0        PWM             (Out)
14      1   IOPort       None           
 2      2   IOPort       StepGen          0        Step/Table1     (Out)
15      3   IOPort       None           
 3      4   IOPort       StepGen          0        Dir/Table2      (Out)
16      5   IOPort       StepGen          4        Step/Table1     (Out)
 4      6   IOPort       StepGen          1        Step/Table1     (Out)
17      7   IOPort       StepGen          4        Dir/Table2      (Out)
 5      8   IOPort       StepGen          1        Dir/Table2      (Out)
 6      9   IOPort       StepGen          2        Step/Table1     (Out)
 7     10   IOPort       StepGen          2        Dir/Table2      (Out)
 8     11   IOPort       StepGen          3        Step/Table1     (Out)
 9     12   IOPort       StepGen          3        Dir/Table2      (Out)
10     13   IOPort       None           
11     14   IOPort       None           
12     15   IOPort       None           
13     16   IOPort       None           

IO Connections for P1
Pin#  I/O   Pri. func    Sec. func       Chan      Pin func        Pin Dir

 1     17   IOPort       None           
14     18   IOPort       None           
 2     19   IOPort 
...

But when linuxcnc statrs, it says:
Configuration pin-out:

IO Connections for P2
Pin#  I/O   Pri. func    Sec. func       Chan      Pin func        Pin Dir

 1      0   IOPort       PWM              0        PWM             (Out)
14      1   IOPort       None           
 2      2   IOPort       StepGen          0        Step/Table1     (Out)
15      3   IOPort       None           
 3      4   IOPort       StepGen          0        Dir/Table2      (Out)
16      5   IOPort       StepGen          4        Step/Table1     (Out)
 4      6   IOPort       StepGen          1        Step/Table1     (Out)
17      7   IOPort       StepGen          4        Dir/Table2      (Out)
 5      8   IOPort       StepGen          1        Dir/Table2      (Out)
 6      9   IOPort       StepGen          2        Step/Table1     (Out)
 7     10   IOPort       StepGen          2        Dir/Table2      (Out)
 8     11   IOPort       StepGen          3        Step/Table1     (Out)
 9     12   IOPort       StepGen          3        Dir/Table2      (Out)
10     13   IOPort       None           
11     14   IOPort       None           
12     15   IOPort       None           
13     16   IOPort       None           

IO Connections for P1
Pin#  I/O   Pri. func    Sec. func       Chan      Pin func        Pin Dir

 1     17   IOPort       None           
14     18   IOPort       None           
 2     19   IOPort  
...

Own bitfile is flashed directly, not as fallback.

Why the two pin listing doesn't match? Is it a fault, leads to the error in the message? How to get it ower with?

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22 Jul 2016 09:10 #77817 by andypugh
Replied by andypugh on topic bitfile content mismatch

It seems, that succesfully generated bitfiles for BOBs, and managed to set up a working XYZ ini/hal config.


It isn't normally necessary to generate bitfiles, no wonder you are finding this a learnng experience :-)
Most people use pre-defined bitfiles from the hostmot2-firmware package.

"./7i92.hal:227: Pin 'hm2_7i92.0.stepgen.03.enable' does not exist"


Does the "loadrt hm2_eth" line in the HAL file have "num_stepgens=3" ? That will disable your higher-numbered stepgens.

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