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Using pktuart with 7i80hd
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7 years 4 weeks ago - 7 years 4 weeks ago #146835
by PCW
Replied by PCW on topic Using pktuart with 7i80hd
Thats UART config (not PktUART) as I mentioned, you need to change the instance stride1
or you will get an error with UART configs (and UART config will have issues with Ethernet)
or you will get an error with UART configs (and UART config will have issues with Ethernet)
Last edit: 7 years 4 weeks ago by PCW.
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- sneci
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7 years 4 weeks ago #146894
by sneci
Replied by sneci on topic Using pktuart with 7i80hd
You're right, stride 1 is correct.
But unfortunately there were new problems.
The pktuart.c component does not see the functions of hostmot2.c.
Unfortunately, I have to stop the much promising trial here. I am now solving this communication in user space. No more time now.
Thanks for the help
But unfortunately there were new problems.
Code:
pktuart: dlopen: /home/ls/linuxcnc/rtlib/pktuart.so: undefined symbol: hm2_hz_to_mhz
Unfortunately, I have to stop the much promising trial here. I am now solving this communication in user space. No more time now.
Thanks for the help
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7 years 4 weeks ago - 7 years 4 weeks ago #146899
by PCW
Replied by PCW on topic Using pktuart with 7i80hd
I dont think you are supposed to load the pktuart module (its part of hostmot2)
(I just tested with the mesa_pkt_gyro component and it loads properly)
Untill Hal adds a array or string type, dealing with UARTs will be awkward
(I just tested with the mesa_pkt_gyro component and it loads properly)
Untill Hal adds a array or string type, dealing with UARTs will be awkward
Last edit: 7 years 4 weeks ago by PCW.
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7 years 4 weeks ago #146903
by sneci
Replied by sneci on topic Using pktuart with 7i80hd
That's really good news. I treated it as a normal hal component. I'll check it out tomorrow ...
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7 years 4 weeks ago #146951
by andypugh
Replied by andypugh on topic Using pktuart with 7i80hd
You would typically write a handler component to access the pktuart.
An example is here (for UART, but the principle is the same)
github.com/LinuxCNC/linuxcnc/blob/master...ivers/mesa_uart.comp
An example is here (for UART, but the principle is the same)
github.com/LinuxCNC/linuxcnc/blob/master...ivers/mesa_uart.comp
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7 years 4 weeks ago #146966
by sneci
Replied by sneci on topic Using pktuart with 7i80hd
I'm starting to think part of my problem is the realtime environment. I'm working on uspace right now. I should choose this first. Which of the three should be?
You may have seen that mesa_uart was at first try. Setup is fine, but after start error occurred:
It works fine by others, but not to me.
I was oblivious to the pktuart trial, I did it mechanically (read the documentation syndrome
. Unfortunately, I'm under pressure now, but I want to do it later.
I need to move now: xmega - usb - python - hal.
You may have seen that mesa_uart was at first try. Setup is fine, but after start error occurred:
Code:
#halcmd: hm2_eth: ERROR: used llio-> read in realtime task (addr = 0x6600)
I was oblivious to the pktuart trial, I did it mechanically (read the documentation syndrome
I need to move now: xmega - usb - python - hal.
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