Questions tagged [beagleboneblack]
The beagleboneblack tag has no usage guidance.
1
vote
1answer
37 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, ...
0
votes
0answers
23 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
38 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
votes
1answer
29 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
votes
1answer
36 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 ...
0
votes
0answers
35 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
votes
0answers
35 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 ...
0
votes
0answers
23 views
How to check the status of emmc flashing
I am using a BeagleBone running Linux. I have a Yocto-generated custom Linux image which I flash from the SD card to the internal emmc. This flashes fine, however, I am unable to view the status of ...
1
vote
0answers
57 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
votes
1answer
34 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
61 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
votes
0answers
49 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
36 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 ...
0
votes
1answer
30 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
votes
0answers
49 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 ...
2
votes
1answer
229 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
71 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
49 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
63 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 ...
0
votes
1answer
172 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
votes
1answer
72 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
votes
0answers
66 views
Debian 9.5 takes longer to mount emmc than 8.7 did
I have been trying to chase down some boot performance issues for a little while now.
Previously we were running debian 8.7 with 4.4.54 kernel. our start up time is
systemd-analyze
Startup finished ...
0
votes
1answer
112 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
92 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
votes
0answers
29 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
votes
1answer
115 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. ...
0
votes
1answer
145 views
Disable spidev on beaglebone black
I want to use PRU for running McSPI throw register programming on beaglebone black. Therefore, I need to disable spidev (of that spi module) to manipulate register of mcspi according to Technical ...
3
votes
2answers
729 views
Reduce Boot time
I would be interested in finding ways to reduce the boot time, specially in embedded-related environments.
I've read somewhere of a method to avoid the kernel to load some drivers or modules but I'm ...
2
votes
1answer
1k views
Failed to start Create Volatile Files and Directories in Debian
Using debian in beaglebone black. The board is connected online with a static ip for remote ssh. After few days I couldn't able to ssh my board. While debugging the board received following error log. ...
0
votes
0answers
29 views
How do I reconcile different GPIO labels for the same Beaglebone Black PIN?
I'm trying to learn how to use a Beaglebone Black (Revision C). The Beaglebone Black System Reference Manual contains a table on EEPROM Pin Usage. For example, it lists Pin P9-15 as having the name ...
1
vote
0answers
227 views
BeagleBone Black - I can't connect to WiFi [closed]
I have a BeagleBone Black with Debian Wheezy and kernel v4.1. The problem is that I can't connect my BeagleBone to Wifi because the my TP-Link WN722N v2.0 Wireless adapter is not recognizable by the ...
0
votes
0answers
86 views
Plymouthd on BeagleBone Black initramfs fails with “Could not setup basic operating environment”
I setup an initramfs BeagleBone Black with the goal of using the open source Plymouth package to display a boot splash early on in the boot on the BeagleBone's /dev/fb0 HDMI output.
I am trying to ...
0
votes
1answer
111 views
BeagleBone Black running upstream stable kernel/u-boot without any patches
I have been exploring the BeagleBone Black (BBB) for some time now with pre-built images. Now I'm trying to get my own kernel compiled and deployed.
In that search, I found that TI has it's own ...
1
vote
0answers
589 views
Trouble enabling all UARTs on Beaglebone Black Debian 9.3
I'm attempting to enable all the UARTs on the Beaglebone Black (UART 1-5). I am running debian 9.3 and using the BeagleBone Black rev C. I am attempting to enable all UARTs by modifying the uEnv.txt ...
0
votes
0answers
11 views
configuring codepoints in virtual console
I am trying to display Hindi and English characters in a virtual terminal. I am able to display these characters for English and Hindi separately but I am not able to display them together. As per my ...
0
votes
1answer
121 views
Where to find the source of the kernel package on a debian armhf BeagleBone Black build?
On a BeagleBone Black the Linux release installed is a bone-debian-9.2-iot-armhf-2017-10-10-4gb.img. After booting the stock system, it is updated to the Linux 4.9.37-ti-r47 image by:
apt-get update
...
2
votes
1answer
1k views
Repair uEnv.txt from U-Boot terminal?
I have a BeagleBone Black, with Debian 8.3, Linux 4.1.15-ti-rt-r43.
EDIT:
The system is installed on the internal flash.
I modified the /boot/uEnv.txt to load a different dtb file, apparently with ...
0
votes
0answers
1k views
Preconfigure static IP address with connmanctl on Beaglebone Black
Short Version
How can I used connmanctl to set a static IP address for an Ethernet interface on a Beaglebone Black running Debian 9 - prior to connecting the device to an Ethernet cable?
Longer ...
1
vote
1answer
594 views
Why does LXQT Autostart not do anything?
I have a BeagleBone Black here,
running Debian 8.3, Linux 4.1.15-ti-rt-r43.
Desktop is LXQT.
After boot, I want to run a .sh file - when the desktop environment is ready, as that file, after changing ...
0
votes
1answer
172 views
25s between systemd startup and actual display
I am trying to reduce startup time of a Beaglebone (4.14.32-ti-r42 #1 SMP Thu Apr 5 23:13:09 UTC 2018 armv7l GNU/Linux) running Debian Stretch to display a local HTML page on its LCD.
Every analysis ...
3
votes
1answer
700 views
Error : Package 'mongodb' has no installation candidate
I am unable to apt-get install any packages on cloud9 for my BeagleBone because E: Package 'mongodb' has no installation candidate. I have not been able to get any packages to work due to the same ...
1
vote
1answer
465 views
routing table adds additional default entry
I'm using a beaglebone black with the newest IoT Debian 9 image (BeagleBoard.org Debian Image 2018-03-05)
Here is how I configured my network interfaces:
/etc/network/interfaces
# The loopback ...
1
vote
0answers
220 views
Beaglebone issue : Cannot access 192.168.7.2 [closed]
My main computer is running Ubuntu 18.04, I just bought my BBG for about 1 week.
More information about my BBG :
root@beaglebone:~# uname -a
Linux beaglebone 3.8.13-bone71.1 #162 SMP Fri Oct 16 07:...
-2
votes
1answer
45 views
I don't know why this error occurs in linux
An error occurred in the process of carrying out an ultrasonic distance measurement project using pru
i am trying to this code(https://github.com/luigif/hcsr04?files=1)
root@beaglebone:~# pasm -b ...
0
votes
1answer
860 views
Beaglebone cannot connect to internet using ethernet cable
I've been trying to get my Beaglebone Black to connect to internet using an ethernet cable plugged direct into my Netgear router. I have tried many things but nothing has worked so far.
Here are some ...
1
vote
0answers
365 views
How to Verify that a UART is Enabled on a Beaglebone Black
Question
Is the existence of a /dev/ttyO* symlink evidence that the corresponding UART device is enabled? If not, how can I check whether or not the UART has been successfully enabled?
Details
I'm ...
2
votes
1answer
3k views
Failing to Enable UARTs on Beaglebone Black
Short and General Question
I'm running Debian 9 (Stretch) on a Beaglebone Black with kernel 4.9. I have tried following the instructions that I've found online, but have thus far been seemingly ...
0
votes
1answer
319 views
How to debug u-boot issue?
I am working on putting a custom system together on the Beaglebone Black. Things work most of the time, but every once in a while, the system will fail to boot when powered on. This never happens ...
2
votes
1answer
95 views
How to build a bridge between 2 networks?
Using Beaglebone.
I have successfully set an AP, but am unable to bridge eth0 and wlan1.
Applications used: hostapd, dnsmasq, bridge-utils
/etc/dnsmasq.conf
interface=wlan1
dhcp-range=10.10.1.2,10....
0
votes
1answer
90 views
Beagle bone - AP wlan1 needs to access eth0 as an IP Address
Using non-GUI Linux (beaglebone).
With the current setup
Client (10.10.1.3 ... 254) <-> (wlan1 AP 10.10.1.1) bb
I need to make clients (10.10.1.3 ... 254) have access the device (10.10.1.2).
...
