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Mesa modbus and pktUart

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3 years 3 months ago #276485 by persei8
Replied by persei8 on topic Mesa modbus and pktUart
It is working. Then I got the idea that I should replace the userspace component, which is written in python, with a realtime HAL component. It compiled and installed OK and I can see it in halcmd and all looks good. However, with linuxcnc running, I get an error:
Code:
rtapi_app: caught signal 8 - dumping core
I looked at a bunch of other component source files and I don't see what I'm doing wrong.
Jim
 

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3 years 3 months ago #276498 by rodw
Replied by rodw on topic Mesa modbus and pktUart
have you done addf and loadrt?

Shere your code

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3 years 3 months ago #276504 by persei8
Replied by persei8 on topic Mesa modbus and pktUart
Code:
loadrt mesa_vfd addf mesa-vfd.0 servo-thread loadrt mesa_modbus ports=hm2_7i96.0.pktuart.0 addf mesa_modbus.00 servo-thread
In the HAL file, I have nets like:
Code:
net speed-cmd       mesa-vfd.0.speed-cmd      => mesa_modbus.00.speed-cmd
Is it a problem to have different modules with the same pin names?
 

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3 years 3 months ago #276507 by persei8
Replied by persei8 on topic Mesa modbus and pktUart
Just did more checking:
Code:
jim@Inspiron-1720:~/linuxcnc/configs/modbus$ halrun halcmd: loadrt mesa_vfd Note: Using POSIX realtime halcmd: show pin Component Pins: Owner   Type  Dir         Value  Name      4  u32   OUT    0x00000000  mesa-vfd.0.motor-cmd      4  u32   OUT    0x00000000  mesa-vfd.0.speed-cmd      4  float OUT             0  mesa-vfd.0.speed-fb      4  float IN              0  mesa-vfd.0.speed-in      4  float IN              0  mesa-vfd.0.speed-rpm      4  bit   IN          FALSE  mesa-vfd.0.spindle-on      4  s32   OUT             0  mesa-vfd.0.time halcmd: show param Parameters: Owner   Type  Dir         Value  Name      4  u32   RW     0x00000000  mesa-vfd.0.max-speed      4  u32   RW     0x00000000  mesa-vfd.0.min-speed      4  s32   RW              0  mesa-vfd.0.tmax      4  bit   RO          FALSE  mesa-vfd.0.tmax-increased halcmd: show funct Exported Functions: Owner   CodeAddr  Arg       FP   Users  Name  00004  7f6973eac1b5  7f6973043120  YES      0   mesa-vfd.0 halcmd: loadrt threads name1=test-thread period1=1000000 halcmd: show thread Realtime Threads:      Period  FP     Name               (     Time, Max-Time )     1000000  YES           test-thread (        0,        0 ) halcmd: addf mesa-vfd.0 test-thread halcmd: show thread Realtime Threads:      Period  FP     Name               (     Time, Max-Time )     1000000  YES           test-thread (        0,        0 )                   1 mesa-vfd.0 halcmd: start halcmd: rtapi_app: caught signal 8 - dumping core Waited 3 seconds for master.  giving up. Note: Using POSIX realtime

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3 years 3 months ago - 3 years 3 months ago #276526 by itsme
Replied by itsme on topic Mesa modbus and pktUart

...
A better approach might be to attract Andy's attention and work with his shiny new component. I'm sure he'll help as that was his intended use.
​​​​
It seems I missed Andy's new component, can you please help me finding it? Thanks!
Last edit: 3 years 3 months ago by itsme.

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3 years 3 months ago #276530 by persei8
Replied by persei8 on topic Mesa modbus and pktUart
Well I found a workaround, don't know if it's the right fix or not, but if you setp the component parameter pins first and then addf, the problem doesn't occur.
Andy's shiny new component ->  New realtime-modbus driver for Mesa cards - LinuxCNC
 
The following user(s) said Thank You: rodw, itsme

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