Computer Engineer, Devices/Products Developer, Electrical Utilities Researcher, Drummer. Firmware, Hardware, Linux, Yocto, Sensor Networks, Image Processing, Photovoltaic Systems, Energy Systems Protection and communication.

Re: Wifi module prefered interface

Reply posted 2 weeks ago (10/11/2021)
For more robust systems (gateways, infotainment etc) you can use u-blox HOST-BASED modules.With the advantage of using standard linux commands, you run the stack...

Re: STM32H747 GPIO access by two cores

Reply posted 1 year ago (07/07/2020)
Thanks for the great explanation!

Re: STM32H747 GPIO access by two cores

Reply posted 1 year ago (07/07/2020)
Hi! What do you mean by "need to do nothing"?What happens when two cores (M7/M4) are accessing two peripherals (QSPI/I2C) that shares the same pins (or port)?Don't...

Re: Block diagram software

Reply posted 2 years ago (04/09/2020)
Depending on the task or the kind of drawing I needed, I'd used the same as others recommended:- draw.io- yEd and also one that was not recommended yet:- DIA
As Jim said, probably you are decompressing your file system at boot time. But you should provide more info about your system, like boot parameters. I suppose root=/dev/ram0...

Re: general linux question about distro/kernel

Reply posted 3 years ago (03/14/2019)
As ivanop states, the distro is like a collection of bundled software.Debian distro has it's "bundle" . Same with Ubuntu, Red Hat, .... etc.You can even make your...

Re: Wanting to get back into Embedded Systems

Reply posted 3 years ago (05/09/2018)
Hi,If you need things like screens, ethernet comm or other standard communication interfaces, file storage, security tools, you can use ARM-based boards provided...

Applying Abstraction concepts in firmware

New thread started 4 years ago
Hi all! Could you share your opinion and experience with the application of Abstraction concepts in firmware development using C as the programming language?Some...
Do you have an example of cell phone with zigbee?Wifi and BT ok, but I never saw one with zigbee.For the circuits you would need aelectronics capable of working...

Re: rootfs image creation using mkyaffs2image tool

Reply posted 5 years ago (03/25/2017)
Regarding mkyaffs2image, you need to download the source and compile it to get the executable binary for Ubuntu. Or search for a ready one for another Linux distribution.steps...
Check this out !"Both kids and professional musicians can explore the science of sound, make sweet beats and create instruments with this award-winning modular synthesizer....
As was almost sleeping typing in my phone and my english is not so good, I don't know if I was clear. What I mean in my comment above is: Rich said the same steps...
That is exactly what has to be done. I've made a simple one-tamborine-piece midi drum interfacing with Finale score software. I think it is the basic idea of what...

Re: ZigBee Preamble

Reply posted 5 years ago (02/22/2017)
PDU begins with a preamble sequence which is composed of 32 zeros (all bytes set to 0x00) and is used for chip and symbol synchronization at receiver part of transceiver....

Re: not able to ssh into embedded linux board

Reply posted 5 years ago (02/21/2017)
Create new user with a password. Login ssh with new user. Once ssh connection is ok, login with root.To make a root login with ssh you have to change the sshd_config...
Hi,Have you seen this?By default, Windows 10 comes with a built in .inf driver to handle USB CDC devices, however on some hardware configurations, it causes...

Re: Quick Tip for the Embedded Systems Engineer

Reply posted 5 years ago (06/10/2016)
If you want to fast develop an IoT device make sure to select a platform that have the software and drivers ready for your application.  Free (or proprietary) Operational...

Re: PID Video

Reply posted 5 years ago (05/06/2016)
Thanks for posting your video! I´m not working with PID controllers but it´s very interesting to see mechanical things moving and being controlled in a simple...

Re: Free and Open Source Software for Embedded Systems

Reply posted 5 years ago (05/05/2016)
Git for version control

Re: Free and Open Source Software for Embedded Systems

Reply posted 5 years ago (05/05/2016)
Yocto project and Open Embedded for creating linux distributions.
Sure it is a Debian Jesse !! :)If you want to work with device trees... When you are compiling linux, you have the config command:http://acmesystems.it/compile_linux_4_4~/linux-4.4.5$...
Hi Stefan,I think you have to play with device trees to create new entry like you said "/sys/class/net". This way you will be creating a "POE Driver", but...You...

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