Questions tagged [beagleboneblack]
BeagleBone Black is a community-supported development platform for developers and hobbyists.
beagleboneblack
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Error: arm_ssp_per_task_plugin.so: undefined symbol: _Z9rtx_alloc8rtx_code
I build image for bbb refer to this guide
https://forum.digikey.com/t/debian-getting-started-with-the-beaglebone-black/12967
After setup image done, I try to make a kernel module hello_module.c and ...
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0
answers
21
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Linux file write succeeds 1st time errors on 2nd try [closed]
I have a small C++ program that writes a PWM period value to the following file on the BeagleBone Black:
/sys/class/pwm/pwmchip5/pwm0/period
The first time the program runs the file write succeeds. ...
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Can't ping to 8.8.8.8 and google.com in beaglebone black [closed]
I can't ping to 8.8.8.8 or google.com
root@arm:/home/debian# cat /etc/resolv.conf
domain mshome.net
search mshome.net
nameserver 8.8.8.8
nameserver 8.8.4.4
root@arm:/home/debian# cat /etc/network/...
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0
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22
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How to make a selection on the terminal screen [closed]
I am working on embed linux. I installed Debian for Beaglebone Black, but I am having problems setting the keyboard language. I run the "sudo dpkg-reconfigure locales" command on the ...
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33
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Run QML in Beaglebone Black
I built an image for Beaglebone Black based on the following instructions:
build image for BBB.
After that, I have crosscompiled Qt 5 for BBB based on this instructions:
crosscompiled Qt for BBB.
I ...
- 21
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55
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no console after using :wq in vim
When I type :wq in vim, the window freezes and I do not end up in my terminal.
Typing is still accepted, since I can type reboot and kernel messages appear and the system reboots.
When I am stuck, ...
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1
answer
900
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Qt5 VideoOverview example does not work. Any solution?
I am stuck for a month with a video example given in Qt Video Overview.
I tried that code, but I only got a blank square (QWidget). I am using GStreamer0.10 for media playback over Qt5. I also played ...
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29
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Beagle Bone Black board not able to read or write to GPIO pins
I am using beagle bone black board with AM335X Processor from TI and have a JTAG adapter and use OpenOCD and ARM GDB to connect and read and write to memory. I am trying to read registers of GPIO 1 to ...
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2
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197
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Unable to send data to BeagleBone via serial uart cable, login and password on First Use, but it reicive log massages over minicom
I bought Beagle Bone Black.
I conneted Serial cable (CP2102) to beagle bone.
I am able to get log massages over minicom(console).
But I am Not able to send data (login and Password ) to Beagle Bone ...
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1
answer
68
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BeagleBone Black Boot Issue
I am facing difficulties in booting the BeagleBone Black with the core-image-sato build using Yocto Project version 4.0.16 (kirkstone) on Ubuntu 20.04 LTS. Here are the steps I've taken:
Step 1: ...
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25
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not directory GPIO in image beaglebone sys/class
enter image description here
I use Yocto "kirkstone" I can't get the GPIO directory out, I use "core-image-minimal" does anyone know a solution to get the "GPIO" ...
- 4,510
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25
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ERROR in rc_mpu_calibrate_accel_routine, center of fitted ellipsoids(in beagle bone blue)
i am trying to calibrate the accelerometer in beagle bone blue (we have implemented our own board) i am working in Linux platform. i am facing this this error in few boards
ERROR in ...
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2
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How can I use The PRU of BeagleBoard to do matrix multiplications for example?
I am using PocketBeagle for the first time, I would like to know how can I use the PRU of beaglebone with Python for Matrix multiplication for example?
Is it possible to run the code below,using PRU ...
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1
answer
47
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initializing buttons on beaglebone black
I have code to initialize GPIO and read the button state value from a file descriptor. I only have 3 buttons.The code is very simple. first I initialize 3 gpio and configure them to output. then I ...
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Integrating WiFi Dongle with Beaglebone Black- Issue
I am working on beaglebone black trying to integrate TP link TL-WN721N Wifi dongle which uses atheros driver.
I am using linux 3.2 kernel with ti-sitara rootfs
The problem is when is type the command
...
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18
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kthread_stop() causes memory segmentation when unloading a beaglebone black module
I am just starting to learn kernel module development on the BeagleBone Black platform. Just trying to run a simple thread and exit it (find code below). when i load the module everything works fine ...
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25
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QT5 cross compile for beaglebone black installation error
I' attempting to build QT5 for use in a Beaglebone black in a Ubuntu 22.04 Virtualbox VM. I'm attempting to follow the guide here to simplify this process as much as possible:
https://github.com/K3tan/...
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1
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BeagleBone Black uEnv.txt empty
I've recently purchased a BeagleBone Black. I installed the drivers, got myself a SD card and an external card reader,7yip and win32 disk imager just like the Beaglebone startup guide told me to. ...
- 4,735
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33
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Where to add Device tree Overlay in yocto
In yocto i want to add one Device tree overlay for DHT11 Sensor. Previously there is no device tree overlay for DHT11 but it have the Device Driver.
I want to configure a GPIO pin for the DHT11 sensor ...
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1
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453
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Using objects (that require a parameter) and their methods within another class
I'm trying to program an omni directional robot with the BeagleBone Black. I've found the BlackLib library works realy well for controlling pins, but I'm having a little trouble integrating it into ...
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1
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105
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Qt6 Cross Compile For BeagleboneBlack(ARMHF)
I want to compile Qt6.6 for armhf. I did this compile with Qt5.12.1 version. I am using this. But I need newer libraries (such as QCanDbcParser)that are compatible with Qt6.6.
I followed this guide ...
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80
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BeagleBone Black shows error "Package 'cmake' has no installation candidate"
When I try installing cmake on a BeagleBone Black board. I am using Debian Buster IoT Image 2020-04-06
sudo apt-get install cmake
I got the below error. For more details, this is my log:
debian@...
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1
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3k
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Running simple winforms application on Mono for ARM
I am currently trying to set up an environment in which I can create winform applications with Visual Studio 2013 that I then want to put on an ARM v7 BeagleBone Black with an attached touchscreen ...
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36
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Configure and Display the Video Stream of a CSI Camera on BeagleBone AI-64
I'm currently working on a project involving the BeagleBone AI-64 and a CSI camera, but I'm having trouble configuring and displaying the video stream. I've followed the available documentation but I ...
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4
answers
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X11 Forwarding can't open display (client rejected?) [closed]
I've read similar questions, and have applied the suggestions posted, but none seem to fix my issue...
In Putty, I've enabled x11 forwarding, with the 'X display location' set to 0.0
The remote ...
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0
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18
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unable to find the gpio directories in beaglebone black rev5 cd /sys/class
by using yocto i made the beagle bone black but i unable to find the GPIO directories under cd /sys/class/
how to configure the GPIO in beagle bone black
We are tried in many ways like tried to add in ...
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27
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Building Xinu for BeagleBone Black
I am trying to run Xinu on BeagleBoneBlack. I downloaded the file from the xinu website for the ARM BeagleBoneBlack one. Now, in the compile directory, when I run "make" it says ../...
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1
answer
68
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I2C Peripheral fails after a single transaction
I am using this library to sample some sensors over the I2C bus using the PRUs on the Beaglebone Black. It seems as if only the first transaction works correctly, after which the library seems to only ...
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12
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How to view files on beaglebone that I mounted as mass storage device
I modified the boot script to make the USB mass storage drive writeable when I plug in my BeagleBone Black.
/opt/scripts/boot/am335x_evm.sh
usb_ms_ro=0
How do I access this directory from the command ...
- 33
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2
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Trouble with SPIDEV, device tree and .dtbo name with Beaglebone Black
I have some weird issue with device tree. I found out that changing name of the .dtbo changed the beahvior of the kernel !
I have modified the BB-SPIDEV1-00A0.dts given in /lib/firmware with Angstrom ...
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0
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17
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BeagleBone Black default Poky image not booting when copying files
I am using Yocto Kirkstone. I want to build and run the exemplary core-image-minimal for BBB. After the build, when I dd the SD card with this command:
sudo dd if=core-image-minimal-beaglebone-yocto....
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38
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ARM TI chip am335x, how to set up USB HOST endpoint 1
This question of for anyone who has done bare metal access on the TI ARM am335x CPI.
I tried to create a new tag am335x, but I don't have a high enough reputation.
I am trying to get the am3358/am3352 ...
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when loading the module ,i face a problem as it not being probe invoked succefully
when i loaded my module it is loaded and it is showing in lsmod but my probe function not invoking. I checked my dts file .compatible that matches correctly with my driver (.compatible) even though my ...
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142
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Problem using Beaglebone Black UART with C-Program
Stack Overflow,
I desperately need help getting a BeagleBone Black UART to work from a C program.
The code that I am attempting to use is listed below. The code came from Chapter 8 of Derek Molloy’s “...
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1
answer
102
views
Cyclic dependency when building openthread for buildroot
I'm trying to build an openthread border router using buildroot for a beaglebone black, and I'm facing the following error:
CMake Error: The inter-target dependency graph contains the following ...
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1
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93
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I cannot write to 24fc512 i2c memory chip from Linux
For few days now, I struggle to write some data in the memory of a 24fc512 i2c chip from Linux. I tried both a Raspberry Pi 4 and a Beaglebone Black.
The IC has 4.7 KOhm pullup resistors on SCL and ...
- 4,510
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1
answer
32
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CAN Test Occasionally gets stuck
I am sending a CAN message from Beaglebone black to the STM32 MCU on a custom PCBA. I use the following python script:
Reference code
import can
# Specify the CAN interface and interface type
...
1
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1
answer
2k
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Don't want Jenkins Slave to clone repo?
My system is set up as a Docker Linux PC Master/BeagleBone Linux Slave, connected via USB SSH.
Essentially, I'm trying to do the following:
Compile code on the master that is taken from a Bitbucket ...
- 7,806
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105
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Yocto enable i2c and pwm using device tree method
I am very new to yocto&device tree world. I'm really having trouble understanding and implementing some concepts.
I use following layers. When i update the MACHINE to beaglebone. it is working as ...
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1
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73
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u-boot compilation ERROR for beagle bone board (i am using Ubuntu platform)
After successful of hard coding the board id.
getting a error in building the U-boot in the 3rd step
i have tried to compile the U-BOOT and
I Got successful compile for the below two steps.
make ARCH=...
- 2,368
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1
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361
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Beaglebone Black and the MCP230xx CircuitPython Library
I don't know how to specify the I2C Bus, because the Beaglebone Black has 3x (1x is not accessible via Header). I want to use both of them for many different I2C devices (Pin 17/18 I2C1 and Pin 19/20 ...
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1
answer
89
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Controlling a servo using c on beagle bone black
I can't seem to get the servo to move. I am using pin p9_14, my servo is a Tower Pro SG92R, and I have Debian on my beaglebone black
I'm trying to solve it using no libraries if possible(for practice)
...
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0
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88
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Trouble trying to disable L2 cache on BeagleBone Black
First of all, I'm a total beginner on ARM programming. I want to make some analysis with my L2 cache disabled. I'm running a U-boot environment, bare-metal, on my BeagleBone Black and I'm trying to ...
- 105k
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75
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Why DMA driver memcpy is not working in some cases
I have written somewhat working driver for mem2mem for buffer copy without device tree using only kernel dma api as below (without error handling),
Tested on beaglebone black rev C
# uname -r
5.4.242
...
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1
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54
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U-boot: error when trying to include common.h
First of all, I'm trying to compile a C code to run on BeagleBone Black baremetal, through u-boot console.
Codes without includes compile and run just fine, but I'm trying to transmit some information ...
- 2,153
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0
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70
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How this DMA driver is not working in beaglebone black
I am trying to learn how DMA works in Linux kernel, and for that I have taken reference from this driver,
dma_test.c
I have inserted device tree entry for this inside am33xx-l4.dtsi as below,
...
- 4,510
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1
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676
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Kernel panic: No working init found. Where is the problem
I'm trying to boot a beaglebone black using u-boot. I'm using a microSD card that is partitioned into 3 partitions:
a FAT boot partition that with the U-boot image, and the kernel image.
a SquashFS ...
- 4,773
1
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0
answers
60
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How to access the interrupts in /proc/interrupts in Python from the MCP23s17 kernel driver
I'm attempting to expand the GPIO on a Beaglebone Black Rev C with a MCP23S17 io expansion chip. I already have the chip set up with the MCP23 family kernel driver via DTO such that I can poll the ...
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2
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1
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574
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Beaglebone Black Wireless: UART isn't reading
I'm trying to have a Beaglebone Black Wireless(debian image 2017-07-01) communicate to another device using UART serial communication. In an example program, the bone waits for the device to send the ...
- 475
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1
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46
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Newbie set value of GPIO pinout
I am new to beaglebone and in very first steps of the board. I follow the instruction to turn on and off the LED connected to pin P9_1 and P9_12.
The instruction is:
echo 1 > /sys/class/gpio/gpio60/...
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