Is it something like the vision sensor/camera will interface to CPU and then data fed to the PLC for

UUmesh Lokhande Is it something like the vision sensor/camera will interface to CPU and then dat...

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melta101•11/15/24, 9:05 AM

Actually the ones I had interacted with were non vision based
From what I understood
The CPU handled a GUI display from which you can program it visually like scratch programming, pushing the logic to the PLC, and the PLC to handle control related stuff

Mmelta101 Actually the ones I had interacted with were non vision based From what I unders...

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ZacckOsiemo•11/15/24, 10:41 AM

seems like a lot of work, I havent yet really looked into ladder logic I doubt i will but I would be keen to see how a PLC is programmer

ZZacckOsiemo seems like a lot of work, I havent yet really looked into ladder logic I doubt i...

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melta101•11/15/24, 10:48 AM

i feel the same
instead if PLC, i would rather push myself to learn more about FPGAs

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segfaultdev.elf•11/15/24, 11:05 AM

Can anyone help me regarding sampling CAN Tx/Rx Data with logic analyzer I am using a logic analyzer from aliexpres
I implemented the Can Connected Everything and When I monitor Data those are not the data I sent also
I tried bot transceiver they are giving same data so

It is Sure That Transceivers are working FIne Since Data is not Altered

It is Sure That Transceivers are working FIne Since Data is not Altered

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segfaultdev.elf•11/15/24, 11:06 AM

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segfaultdev.elf•11/15/24, 11:06 AM

the Data my logic analyzer shows

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segfaultdev.elf•11/15/24, 11:07 AM

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segfaultdev.elf•11/15/24, 11:07 AM

Data I want so send

Ssegfaultdev.elf Can anyone help me regarding sampling CAN Tx/Rx Data with logic analyzer I am us...

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ZacckOsiemo•11/15/24, 11:24 AM

I remember Elicia white was working on a salea plugin for can data do you want to look at that

ZZacckOsiemo I remember Elicia white was working on a salea plugin for can data do you want t...

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segfaultdev.elf•11/15/24, 11:24 AM

I am using pulseview

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segfaultdev.elf•11/15/24, 11:25 AM

and a cheap logic analyzer I don't know Is it capable or not but it worked fine with I2C, UART, SPI, PWM

Ssegfaultdev.elf I am using pulseview

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ZacckOsiemo•11/15/24, 11:25 AM

look at this, it may even detail your issue https://github.com/eleciawhite/canfd-plugin-for-saleae-logic-analyzer

GitHub

GitHub - eleciawhite/canfd-plugin-for-saleae-logic-analyzer: CANFD ...

CANFD Plugin for Saleae Logic Analyzer. Contribute to eleciawhite/canfd-plugin-for-saleae-logic-analyzer development by creating an account on GitHub.

ZZacckOsiemo look at this, it may even detail your issue https://github.com/eleciawhite/canfd...

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segfaultdev.elf•11/15/24, 11:27 AM

gonna look into it

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segfaultdev.elf•11/15/24, 11:27 AM

also I will program another stm on the other end so that I can verify everything better

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Eray Yılmaz•11/15/24, 12:03 PM

Hello everyone,
I am trying to run Mongoose WS on my stm32h753zit6 board but every example they use NucleoH753ZI. They are using RMII mode but in my case I am using MII do I need to update something on library. I tested couple times with different implementations but still my ethernet does not assigning the IP. I am adding the serial log.

Can anybody did this before, can anyone help me about it?

EEray Yılmaz Hello everyone, I am trying to run Mongoose WS on my stm32h753zit6 board but eve...

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ZacckOsiemo•11/15/24, 12:35 PM

@te0 any insights here?

ZZacckOsiemo look at this, it may even detail your issue https://github.com/eleciawhite/canfd...

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segfaultdev.elf•11/15/24, 12:59 PM

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segfaultdev.elf•11/15/24, 12:59 PM

that issue is fixed

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segfaultdev.elf•11/15/24, 12:59 PM

Everything working fine

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segfaultdev.elf•11/15/24, 1:00 PM

the issue was my breadboard XD

Ssegfaultdev.elf Click to see attachment

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ZacckOsiemo•11/15/24, 1:00 PM

what was the issue

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segfaultdev.elf•11/15/24, 1:00 PM

ZZacckOsiemo what was the issue

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segfaultdev.elf•11/15/24, 1:00 PM

I was using an old breadboard of mine which was covered by dust

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segfaultdev.elf•11/15/24, 1:00 PM

and the result you know already

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segfaultdev.elf•11/15/24, 1:02 PM

Then I took my multimeter and checked the voltage of VCC and GND

Ssegfaultdev.elf the issue was my breadboard XD

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melta101•11/15/24, 1:10 PM

Mmelta101 😂

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ZacckOsiemo•11/15/24, 2:03 PM

everytime hey! I got stuck on a stream for 40 mins because of a breadboard

ZZacckOsiemo everytime hey! I got stuck on a stream for 40 mins because of a breadboard

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melta101•11/15/24, 2:05 PM

Few reasons why I keep put a analyser in between now a days

Mmelta101 Few reasons why I keep put a analyser in between now a days

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ZacckOsiemo•11/15/24, 2:06 PM

this is the way.

ZZacckOsiemo everytime hey! I got stuck on a stream for 40 mins because of a breadboard

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segfaultdev.elf•11/15/24, 2:48 PM

So many things happens
I was using a STM31F411 since the First day of learning STM32 but today after creating project I saw it doesn't have any CAN Peripheral
then I soldered another Dev Board known As BluePIll
Then my breadboard started playing with me after fixing it my receiver end weren't jumping into ISR
but now everything is working perfectly

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segfaultdev.elf•11/15/24, 2:49 PM

It was a long day

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segfaultdev.elf•11/15/24, 2:50 PM

finally I am ready to take a break

T

techielew•11/15/24, 2:56 PM

Hey @Event Pings,
This week's Office Hours on "How Do You Secure Your Embedded Firmware" is starting in about 5 minutes. Follow this link to join:

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Office Hours: How Do You Secure Your Embedded Firmware | DevHeads I...

Join DevHeads meetups to connect with other DevHeads and riff on a variety of topics for 30-60 minutes. Join here: https://app.livestorm.co/devheads-community/devheads-weekly-office-hours-1/live#/....

Ssegfaultdev.elf also I will program another stm on the other end so that I can verify everything...

K

ke7c2mi•11/15/24, 3:25 PM

Good shout, CAN will show an error when messages are not acknowledged, in default configurations that will cause the message to be sent repeatedly forever

TL;DR A CAN message must be received by at least one node or it is an error

Kke7c2mi Good shout, CAN will show an error when messages are not acknowledged, in defaul...

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segfaultdev.elf•11/15/24, 3:29 PM

I was checking then but it was mainly breadboard issue

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segfaultdev.elf•11/15/24, 3:29 PM

now everything is fixed

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ke7c2mi•11/15/24, 3:31 PM

I spent many hours of my life fighting CAN, it can be quite spicy

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Marvin•11/15/24, 3:43 PM

Good luck hiding UART

MMarvin Good luck hiding UART

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melta101•11/15/24, 4:00 PM

Firmware extraction or shell access?

ZZacckOsiemo can you please find out how many computers are used here, like gpos plus rtos sy...

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aymen ammari•11/15/24, 4:13 PM

Just like @melta101 said they all work with PLC except for the camera ones they are connected to an actual pc with their software to control it with from basic functions to more complicated ones

Mmelta101 Firmware extraction or shell access?

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Marvin•11/15/24, 4:15 PM

can be both. shell access can lead to the other.

MMarvin can be both. shell access can lead to the other.

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melta101•11/15/24, 4:29 PM

Yep
I have done this to an old router

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Marvin•11/15/24, 4:46 PM

Bet that was fun.

R

Rodrigo•11/15/24, 10:26 PM

Hii, everyone

Kke7c2mi I spent many hours of my life fighting CAN, it can be quite spicy

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segfaultdev.elf•11/16/24, 2:56 AM

same here

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segfaultdev.elf•11/16/24, 2:57 AM

and Then Finally Peace

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segfaultdev.elf•11/16/24, 2:57 AM

It took me almost a day

K

ke7c2mi•11/16/24, 12:37 PM

Yeah once it works it's very solid.

Twitches thinking of adjusting sample point

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segfaultdev.elf•11/16/24, 6:44 PM

have anyone proted FreeRTOS for STM32F446RE I am getting so many MPU realted error

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segfaultdev.elf•11/16/24, 6:46 PM

/usr/lib/gcc/arm-none-eabi/14.1.0/../../../../arm-none-eabi/bin/ld: CMakeFiles/freertos.dir/FreeRTOS/portable/GCC/ARM_CM4_MPU/port.c.o: in function `vSVCHandler_C':
/home/asraful/Code/STM32/STM32F446xx/FreeRTOS/portable/GCC/ARM_CM4_MPU/port.c:508:(privileged_functions+0x93c): undefined reference to `__syscalls_flash_start__'
/usr/lib/gcc/arm-none-eabi/14.1.0/../../../../arm-none-eabi/bin/ld: /home/asraful/Code/STM32/STM32F446xx/FreeRTOS/portable/GCC/ARM_CM4_MPU/port.c:508:(privileged_functions+0x940): undefined reference to `__syscalls_flash_end__'

/usr/lib/gcc/arm-none-eabi/14.1.0/../../../../arm-none-eabi/bin/ld: CMakeFiles/freertos.dir/FreeRTOS/portable/GCC/ARM_CM4_MPU/port.c.o: in function `vSVCHandler_C':
/home/asraful/Code/STM32/STM32F446xx/FreeRTOS/portable/GCC/ARM_CM4_MPU/port.c:508:(privileged_functions+0x93c): undefined reference to `__syscalls_flash_start__'
/usr/lib/gcc/arm-none-eabi/14.1.0/../../../../arm-none-eabi/bin/ld: /home/asraful/Code/STM32/STM32F446xx/FreeRTOS/portable/GCC/ARM_CM4_MPU/port.c:508:(privileged_functions+0x940): undefined reference to `__syscalls_flash_end__'

/usr/lib/gcc/arm-none-eabi/14.1.0/../../../../arm-none-eabi/bin/ld: CMakeFiles/freertos.dir/FreeRTOS/portable/GCC/ARM_CM4_MPU/port.c.o: in function `vSVCHandler_C':
/home/asraful/Code/STM32/STM32F446xx/FreeRTOS/portable/GCC/ARM_CM4_MPU/port.c:508:(privileged_functions+0x93c): undefined reference to `__syscalls_flash_start__'
/usr/lib/gcc/arm-none-eabi/14.1.0/../../../../arm-none-eabi/bin/ld: /home/asraful/Code/STM32/STM32F446xx/FreeRTOS/portable/GCC/ARM_CM4_MPU/port.c:508:(privileged_functions+0x940): undefined reference to `__syscalls_flash_end__'

/usr/lib/gcc/arm-none-eabi/14.1.0/../../../../arm-none-eabi/bin/ld: CMakeFiles/freertos.dir/FreeRTOS/portable/GCC/ARM_CM4_MPU/port.c.o: in function `vSVCHandler_C':
/home/asraful/Code/STM32/STM32F446xx/FreeRTOS/portable/GCC/ARM_CM4_MPU/port.c:508:(privileged_functions+0x93c): undefined reference to `__syscalls_flash_start__'
/usr/lib/gcc/arm-none-eabi/14.1.0/../../../../arm-none-eabi/bin/ld: /home/asraful/Code/STM32/STM32F446xx/FreeRTOS/portable/GCC/ARM_CM4_MPU/port.c:508:(privileged_functions+0x940): undefined reference to `__syscalls_flash_end__'

Is it something like the vision sensor/camera will interface to CPU and then data fed to the PLC for

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