Questions tagged [embedded]

For questions about software and firmware embedded on hardware.

1
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1answer
18 views

How do I specify which driver is used for a device when more than one are applicable

I'm working on getting a more modern Linux working on a single board computer where the original company has gone under but the hardware is well supported by the open source community. I've made very ...
0
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0answers
6 views

St Link v2 unable to connect (using Arch linux OS )

IMAGE LINK: https://ibb.co/yfFvwQP I am using Arch Linux as my main os. I have just started embedded dev and am setting up my env. I am having an error connecting to my St Link V2 debugger as shown ...
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0answers
10 views

Only one of the two ADC channels are being read in STM32F072CBT

I have a STM32F072CBT microcontroller. I am using 2 ADC channels to read: 1. PIR analog sensor 2. Ambient analog light sensor. I am reading correct PIR values but my problem is that the ambient light ...
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0answers
12 views

Uboot not executing script

I wrote a script that u-boot downloads via TFTP server and once it is downloaded into memory I want it to execute that script. So the uboot successfully downloads the script and I have tried ...
-1
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0answers
10 views

QEMU/vExpress issue regarding SMP and U-boot

Since quite a long time, there is still an issue with QEMU/vExpress and U-boot using more than one CPU core (vExpress refers to a ARM Cortex-A15 CPU). Before digging into Qemu code, has anybody ...
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0answers
7 views

Unknown error message in workbench

Here is the error message: Can anybody tell me what this warning is about? I am new to embedded programming and I encountered this error while debugging a code for msp430 using IAR embedded workbench....
2
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0answers
7 views

libnl takes time to see a disconnected client

I am working on an embedded device, with a custom OS (Yocto on iMX6). The device use hostapd to create a WLAN. I use libnl to list the connected WiFi clients, my code is based on iw to get the ...
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0answers
4 views

i can't install prefix function for google smart home project

i put command $ npm --prefix functions/ install and i got error npm ERR! Can't install C:\Users\ndrs--kpn\smarthome-washer\washer-start\functions: Missing package version npm ERR! A complete log of ...
0
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0answers
36 views

Error while building ZephyrOS-Firmeware with CMake/Ninja and CPLUSPLUS C++

I want to build firmware with ZephyrOS for nRF52840. I set up the toolchain (on Windows) and everything works so far (Pyhton, West, CMake, Ninja..). I can even build most programs with "cmake -GNinja -...
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0answers
9 views

Contol Status Register and Branch On Condition Code Register

Why do we need CSR and BCR when we are writing a Ethernet driver for a PMC card? Why do we need to perform read and write operations to these registers?
0
votes
1answer
32 views

How to modify vmlinuz without recompile

As title, I have two vmlinuz files on hang for embedded system. And, I don't have the source and compiler for it, the developer of this embedded system also not work anymore. The first vmlinuz ...
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0answers
16 views

UBIFS behaviour in low memory situations

I'm trying to get some information about the behaviour of UBIFS in low memory situations, but my google searches haven't been very successful. I'm hoping that someone here can shed some light on the ...
-1
votes
1answer
64 views

Connecting two devices together with the same ethernet cable (some programming required?)

I'm looking to connect two devices together via ethernet, but I'm having trouble with the steps needed. The devices are one PC and one microcontroller. Both devices will have static IP's, the ...
-1
votes
1answer
10 views

I want to embed OneNote notebook into my website for interactive experience

So basicaly I want this eperience: Example But the thing is I don't have SharePoint included in my subscription and I want to know if there is any other way to achieve this. Here's the procedure of ...
0
votes
0answers
33 views

BOA hang - how to detect this and take action for this

I am having a SDK which has a boa webserver running in it to server HTTP requests. It is seen that at times the BOA server hangs. The boa server is not dead as it is shown in the device as running ...

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