Questions tagged [beagleboneblack]
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104
questions
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11 views
Save environment from SPL u-boot?
I am working on uboot v2018.07 on beagleboneblack. For my implementation, I have to read boot device on startup as it can be booted from emmc or sd card.
While loading the environment in env_load(void)...
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26 views
How to enable bluetooth in beaglebone black
I bringup beaglebone black successfully with my own rootfs.
After bringup beaglebone black how to enable peripherals like gpio,bluetooth and wifi from scratch
please suggest me
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9 views
SystemD on a BeagleBone Black with Debian10: postpone everything network after GUI
I have a BeagleBone Black Running Debian 10. I installed openbox to run my "kiosk" GUI app, following this example.
Then i managed to reduce boot time by disabling a lot of services which i ...
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0answers
118 views
UART connection to GPS not working on Linux
I have a little problem with the GPS on my Beaglebone. I am trying to get a serial communication on one of the UARTs. However I do not get any response when I try to use cat. With the screen command I ...
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1answer
11 views
I can't specify a directory when creating a service on Beaglebone
I don't know where to post this question because it's half a programming question and half a Linux question, so forgive me.
I'm working on a project using Beaglebone Black and I need to execute a ...
0
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1answer
51 views
Installation of TurboVNC using Debian command line/Keyboard issue with LTQ Terminal Beagle Bone
It would be fantastic if someone could help.
To give some history as to why; I had a problem with my keyboard mapping using TightVNC and so attempted to install tigerVNC and turboVNC on my ...
0
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1answer
39 views
** File not found /boot/uImage ** When using Angstrom Pre-built Images on BeagleBoneBlack Rev C
I'm trying to boot my BeagleBone Black into Angstrom using pre-built images found here.
My SD card has two partitions BOOT & ROOTFS, and was formatted according to the procedures found here.
...
0
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1answer
27 views
Problem with serial port, can't get the data if screen is not tun beforw
I am working with a Beagle Bone serial port. I made a C program to read some data sent by another board; However, something that I cannot understand is happening.
When I run the program it does not ...
0
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1answer
41 views
PocketBeagle enable com port on usb0
I'm attempting to configure a pocketbeagle running bone-debian9.9. Kernel version is 4.14.108-ti-r113. The board has a Micro USB port with the following functions: rndis, acm, ecm, and mass_storage. ...
0
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1answer
324 views
U-Boot “Wrong Ramdisk Image Format” with initramfs on BeagleBone black
I am following the book "Mastering Embedded Linux Programming - Second Edition" trying to boot up the Linux kernel mounting a ramdisk.
I have U-boot 2020.01 working and the Linux kernel ...
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0answers
61 views
Beaglebone Black, Displaylink USB, Mimo UM-1080C-G
Good day all! I'm somewhat of a noob, in the Xorg arena, so i apologize in advance for the extra handholding.
been banging my head for a week or two trying to get LXDE to output to my MIMO 1080C-G. ...
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1answer
87 views
High load when Ethernet cable is unplugged
I'm building a system image with v4.19.106 kernel and BusyBox for BeagleBone Black using buildroot 2020.02. If I boot the board from the resulting SD card, I see a strange behaviour: system load stays ...
1
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1answer
50 views
Autostarting a python GUI application on startup as local user (beagle bone black)
I am trying to start a GUI application (python3 project) on application startup.
I've created a script in /etc/xdg/autostart/.
@lxpanel --profile LXDE
@pcmanfm --desktop --profile LXDE
@xscreensaver ...
0
votes
1answer
48 views
How can I use port 8080 on a BeagleBone Black with Debian Linux, kernel 4.14.x, when trying to use a web camera?
I have successfully compiled jacksonliam/mjpg-streamer. After compiling it, I ran into issues. The end result is that the source works, but I don't know how to resolve port conflicts under Debian ...
1
vote
1answer
71 views
Kernel throws error while writing to the character device file in 4.9.82-ti-r102 debian 9.3
I created the device file under /dev folder successfully, but writing to that device file makes kernel to throw following error messages.
Message from syslogd@beaglebone at Feb 26 15:40:10 ... kernel:...
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0answers
22 views
U-Boot Automatic Redundant Booting for BeagleBoneBlack
I would like to know how to properly set up redundant booting for my BBB with U-Boot. Basically, I'd like U-Boot to attempt to boot from a specific partition on my SD card and if it fails, I want it ...
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0answers
19 views
Custom program don't see .so file while running on Beaglebone Black
I built gcc, u-boot, kernel, dtb, rootfilesystem from scratch and use them on my beaglebone. While i am runnung program Nordwind the program don't see the .so file. When I am trying to use ldd or file ...
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284 views
How do I Boot and Deploy Ubuntu Image From USB drive on a Beagle Bone Black?
Purpose
I am attempting to do the following:
Power on and automatically boot the Beagle Bone Black Rev C from USB drive. Note: Build Root seems to be an option.
Automatically execute shell script ...
0
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0answers
171 views
How to install apt packages to SD card
i have beaglebone black wireless which have 4gb of its memory , after flashing debian 9.9 os on it am left with 200 mb free space. so i wonder how can i change apt package installer path so that ...
0
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1answer
36 views
Beaglebone pwm for non root user
The 4.9.78-ti-r94 distro comes with 81-pwm-nonroot.rules
# /etc/udev/rules.d/81-pwm-noroot.rules
#
# Corrects sys PWM permissions on the BB so non-root users in the gpio group can manipulate bits
#
...
0
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1answer
471 views
Connman network configuration for default interface
I have a BeagleBone Green board running Debian. It uses Connman as the network manager.
The configuration file should be /etc/connman/main.conf however this doesn't exist.
I have two active network ...
1
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0answers
131 views
Beagle bone black - no boot text
I'm working with a beaglebone black with an image based off the base debian image for these boards.
When I plug this into a monitor via the onboard HDMI and boot it, I get the linux penguine (Tux) in ...
0
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1answer
135 views
Why can't / doesn't U-boot log messages for us to view later
I have a problem whereby a remote BeagleBone device is taking hours to boot up. When it does, I don't see any problems in the kernel boot logs such as journalctl -b or journalctl -b -1
Without ...
1
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0answers
171 views
reboot causes device to shutdown but doesn't start again for many hours after
I am using a BeagleBone running Debian. I have a cron entry in /etc/crontab which tells the device to reboot at 03:01 every night as follows
00 03 * * * root /sbin/shutdown -r +1 >> /...
1
vote
1answer
301 views
How to debug an SDIO configuration problem?
We are trying to get an SDIO-based 802.11 module to work on an SDIO port of the beaglebone. We adapted the device-tree overlay provided by manufacturer to our hardware, compiled the driver, the driver ...
3
votes
0answers
243 views
Beaglebone Boot Fail with ALERT! PARTUUID does not exist
I have tried booting a Linux image in the eMMC through u-boot but it always drops to the busybox shell. As suggested by the busybox shell I double checked the PARTUUID (8fb410a9-01) using blkid, which ...
1
vote
1answer
101 views
Why does plugging in a cellular modem create 8 different device files?
I am using a BeagleBone board running Debian.
When I plug in a USB cellular modem, this creates the following files in the /dev folder: ttyACM0, ttyACM1, ttyACM2, ttyACM3, ttyModem0, ttyModem1, ...
1
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0answers
297 views
is there a way to disable/change kernel console from userspace
We have Beaglebone Black based custom board with 512MB RAM and 4GB eMMC.
We have kernel console set as /dev/ttyS0 which is debug UART.
After booting in user space, we want to disable(if possible, or ...
2
votes
1answer
316 views
How to install a few specific packages one time on Debian Wheezy (after EoL)
I'm using a fresh beaglebone debian 7.9 armhf image and need to do some additional setup. Despite EoL being May 2018, the apt sources have still been available until recently. They are no longer ...
0
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1answer
184 views
What is the difference between spidev2.0 and spidev2.1?
On my pocket beagle, which runs Debian, I have three spidev devices (spidev1.0, spidev2.0 and spidev2.1).
I have a SPI temp sensor on spi1 (which is spidev2.0 and spidev2.1). Loopback tests on 2.0 (...
0
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1answer
417 views
Securing Beaglebone software from stealing [closed]
I have a BeagleBone Black which is programmed to start a NodeJS server on boot. The BeagleBone contains software that my company does not want to share. Is it possible to prevent any user from ...
1
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0answers
154 views
Facing issue in ssh for USB0 Interface buildroot
I am working on building Custom Os using Buildroot for beaglebone black.
Configurations:
Linux kernel version 4.19.29
I have enabled the Dropbear for SSH.
The Script to load the drivers at boot ...
0
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0answers
41 views
How to ensure custom Debian service starts first?
I am writing a custom application on Debian on a beaglebone black variant. I want to have my application be the first service that gets started when the system boots, and I want the system to wait ...
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0answers
277 views
Beaglebone Debian/Wheezy. Static IP address some times is changed
I have Beaglebone Black with installation of Debian 7.11 Wheezy
I have network which is created from Beaglebone and the Beaglebone IP address is set to be static: 192.168.20.1
This is my /etc/...
0
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1answer
101 views
Safest way to store TLS private keys without a security module
I am using BeableBone Black devices running Debian which communicate securely with an AWS server over TLS using signed certificates.
I need to store my private keys securely on the devices. The best ...
1
vote
1answer
579 views
How do I configure the Beaglebone Black PWM correctly
I have tried to get PWM working and am not having any success. I am using the TI Processor SDK with a modified version of the am335x-boneblack.dts device tree (see below)
The PWM driver (ehrpwm1) ...
0
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0answers
68 views
Can a device be re-partitioned over the air
I know that OTA updating for Linux can be a complicated topic and that there are ready-made solutions out there.
I'm talking in terms of using an embedded computer running Linux such as a Rasberry Pi ...
1
vote
1answer
252 views
Limit on continuously writing to a log file
I am using Debian running on a BeableBone Black with 4GB of internal flash storage.
My program is continuously writing / appending to a log file that I created with >> every minute, all day ...
2
votes
1answer
370 views
U-boot messages regarding partition switches not understood
I am using a BeagleBone board with the default Debian image flashed to the internal emmc.
I'm trying to understand the U-boot messages below that I get over serial when the device starts, especially ...
0
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0answers
280 views
Impossible to set the default gateway address on boot-up
I am using a BeagleBone embedded computer running Debian.
I have two network interfaces :
1) A connection to a cellular modem over USB which uses ppp and connects to the outside world. It receives a ...
1
vote
1answer
1k views
What happens if remove auto eth0 from /etc/network/interfaces
I am using a BeagleBone and have two network interfaces. One Ethernet interface which will connect locally to another device, and a ppp interface over USB which connects to a cellular modem.
I want ...
2
votes
0answers
513 views
problems executing a script on boot-up with systemd
I am connecting from my BeagleBone running Debian to a cellular modem.
In order to connect, I enter command pppd file /etc/ppp/peers/zdial &
Now, in order to execute this command on boot-up, I ...
1
vote
2answers
112 views
How does the same Linux version work on different hardware
My understanding is that the kernel understands how to communicate with the different hardware in a system via specific device trees.
How is it that I can download one version of Ubuntu and I am ...
0
votes
1answer
146 views
BeagleBone Slackware UART issue
I'm working with a custom made image of Slackware ARM 14.1 with kernel 3.8.X since about 3 years and now needed to upgrade kernel for cdc-acm driver and watchdog.
I've tried different kernels from ...
1
vote
1answer
873 views
Flashing U-boot on beaglebone black
I got a beaglebone black which comes with u-boot linux preinstalled on the emmc. For the sake of learning I want to put u-boot on the flash myself and build linux from scratch. I have compiled u-boot, ...
0
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1answer
348 views
How can I avoid that the configuration of the provided debian image for beagle bone black will hinder load of gadget drivers?
I used an given ArchLinux on a BeagleBone Black and used on test environment the gadget drivers(g_printer, g_serial) as I encounter driver problems with some wifi dongles. The drivers where not ...
0
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1answer
387 views
Linux kernel module development buildroot
I have build a linux kernel for the beaglebone black using buildroot. Now I would like to develop a hello world linux kernel module application:
#include <linux/init.h>
#include <linux/...
2
votes
1answer
204 views
Creating an encrypted partition to store private keys [closed]
I am using a BeagleBone Black board running Debian.
My intention is to create a separate encrypted partition to store private keys in the internal emmc. The keys are used for SSL communication. The ...
0
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0answers
403 views
How to check the history of processes
I'm using Debian running on a BeagleBone Black. I have a script which is supposed to execute when the system starts. The script then should run a python script. I add the command to run this script ...
0
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1answer
442 views
How much space does my Debian OS need
I am using a BeagleBone, with 4GB of internal emmc.
When I install a Debian image on it from its site and run command df -h , the result is below. /dev/mmcblk1p1 shows that it uses 3.4G of memory. ...
