Stack Overflow
Stack Overflow

Questions tagged [beagleboneblack]

BeagleBone Black is a community-supported development platform for developers and hobbyists.

BeagleBone Black is a community-supported development platform for developers and hobbyists. Boot Linux in under 10 seconds and get started on development in less than 5 minutes with just a single USB cable.

Information from : http://beagleboard.org/Products/BeagleBone%20Black

1326 questions
6
votes
1 answer

Python 2.7 and Opencv 3.0.0 cvtColor not working for BGR/RGB conversions

So I realize I may be asking a lot out of a non-finished version of opencv, but I'm having strange issues with the cvtColor method that I can't find any other references to people having elsewhere. First, as some prefacing, I'm writing a…
Corwin Perren
  • 61
  • 1
  • 3
6
votes
1 answer

Yocto build for preempt_rt

I'm building a custom kernel for the beaglebone black. Following this guide (http://android.serverbox.ch/?p=1273) I'm able to boot to console successfully using a base image. When I try to build with the realtime kernel patch using command: bitbake…
BullBoyShoes
  • 203
  • 2
  • 6
6
votes
3 answers

DHT22 Sensor import Adafruit_DHT error

So I've properly attached DHT22 Humidity Sensor to my BeagleBone Black Rev C. I'm running OS Mavericks on my MacBook Pro and I followed the directions provided by Adafruit on how to use my DHT22 The website I used was pretty clear:…
FooLingYu2
  • 61
  • 1
  • 1
  • 2
6
votes
2 answers

Cross-Compiled GNU ARM (BeagleBoneBlack) from Windows. Runtime Error on *.elf: "No such file or directory"

I'm in the (very) early stages of developing a UAV flight controller on a BeagleBone Black. I should mention that I'm quite the novice when it comes to the BBB, Linux and embedded systems.My academic focus has been on control theory - this is my…
RDK
  • 91
  • 1
  • 7
6
votes
2 answers

Native Library bluecove_arm not available

I am trying to compile/run a program that uses the BlueCove libraries on a BeagleBone Black running Ubuntu. However I keep getting this error when running: Native Library bluecove_arm not available javax.bluetooth.BluetoothStateException: BlueCove…
ensantos91
  • 213
  • 6
  • 12
6
votes
1 answer

OpenCV 2.4.8 (Python) Determining Orientation of an Arrow

I am currently working on a project where I need to determine the orientation of arrows. These arrows will be used as input for a robot to determine what direction it should travel in. I am using a Beaglebone Black with Ubuntu and OpenCV 2.4.8. I've…
Knoose
  • 113
  • 4
  • 11
6
votes
3 answers

Python PySerial with Auto RTS through Half-Duplex RS-485 breakout board using Beaglebone Black Angstrom

I'm trying to use a Beaglebone Black running Angstrom (3.8 kernel) to communicate with devices on a half-duplex RS-485 network at 9600-N-8-1. I'm trying to use an RS-485 Breakout board similar to this one: https://www.sparkfun.com/products/10124,…
Timothy Vann
  • 2,537
  • 2
  • 20
  • 23
6
votes
1 answer

How to crosscompile a hello world C program for ARM

I have this simple program with its sources in a 'src' folder and the includes in the 'inc' folder. Normally i compile this with: gcc -I../inc *.c This leaves 'a.out' as program which works fine on that pc. But how do i compile this for my…
Embed101
  • 152
  • 2
  • 3
  • 12
6
votes
4 answers

How to login into beaglebone black remotely

I have my beaglebone black running stock Angstrom Linux and is connected to ethernet at my home. I can login from any PC connected to my home network using SSH. I would like to know how can I login from another network, say I am at my office and I…
user3180454
  • 95
  • 1
  • 2
  • 5
5
votes
1 answer

#interrupt-cells is 2 but interrupts is a 3-tuple

I was looking at the device tree for the Beagle Bone Black and started with am57xx-beagle-x15.dts. Drilling down into dra7.dtsi I found gpio1: gpio1: gpio@4ae10000 { compatible = "ti,omap4-gpio"; reg = <0x4ae10000 0x200>; …
Jimbo
  • 4,352
  • 3
  • 27
  • 44
5
votes
2 answers

How to enable and use SPI on the BeagleBoneBlack

I have a BeagleBoneBlack Wireless and I would like to use SPI (and I2C). I am finding it very difficult to get definitive instructions on how to set up and use SPI on the BBB. Firstly, it is not clear to me what the default configuration of the BBB…
P Mendham
  • 241
  • 5
  • 12
5
votes
2 answers

Toolchain in openwrt?

I have installed openwrt on beaglebone black. I found out it doesn't have gcc, g++ or any other compiler/toolchain. How can i install compiler (preferable g++) for C and C++ in openwrt?
abhiarora
  • 9,743
  • 5
  • 32
  • 57
5
votes
1 answer

Yocto device tree overlay

I am working on a Beaglebone Black, using Yocto. Using this implementation of a PWM driver as a guide, I am unable to add my PWMs to the device tree. The best solution would be to create a device tree overlay as Mr. Saad Ahmad is doing, but I don't…
Tom
  • 414
  • 4
  • 17
5
votes
1 answer

Add tcpdump in yocto build (Beaglebone Black)

I want to add tcpdump into yocto build I found that I need to add meta-networking into bblayers.conf. meta-networking is apart of meta-openembedded Following are the steps I followed : Downloaded complete meta-openembedded : git clone…
Sandeep
  • 18,356
  • 16
  • 68
  • 108
5
votes
3 answers

BeagleBone Black OpenCV Python is too slow

I try to get images from webcam wtih opencv and python. Code is so basic like: import cv2 import time cap=cv2.VideoCapture(0) cap.set(cv2.cv.CV_CAP_PROP_FRAME_WIDTH,640) cap.set(cv2.cv.CV_CAP_PROP_FRAME_HEIGHT,480) cap.set(cv2.cv.CV_CAP_PROP_FPS,…
acs
  • 796
  • 2
  • 14
  • 33
1 2 3
…
88 89