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Connecting Tiva Launchpad USB to Linux 14.04?

I am trying to figure out how to get my computer to recognize the connected Tiva Launchpad and then use Eclipse with ARM ds-5 to create programs for it. I have the Eclipse and ds-5 setup but cannot ...
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1answer
58 views

Putting Linux on a Lattice ECP3 FPGA

On my Xilinx Zedboard, I booted Linux from an SD card and then ran a Linux application (written in C) from the SD card. This application created a server using sockets that would return whatever is ...
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1answer
26 views

How to communicate with Keithley devices on linux (without NI VISA)?

Keithley devices let you read/write commands/data over GPIB (examples). LabView has dedicated blocks (VIs) for this purpose, and other wrappers such as PyVISA use the commercial VISA drivers by NI. ...
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1answer
37 views

Zedboard Linux Socket Application Error

After creating the linux boot image from the tutorial for the zedboard, I tried creating a socket application to talk to the computer. The Zedboard would be the server and the program in visual studio ...
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1answer
46 views

6Mbaud UART with Bus Pirate V4

I would like to sniff data on an SPI bus running at a clock rate of 6 MHz. I would like to use the Bus Pirate V4 for this task. The sniffing itself is supported up to 10 MHz, the problem is getting ...
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0answers
36 views

BeagleBone Timer Trigger

Is it possible to lower timer constant which is 1 ms to microseconds? For example i want my LED to be ON for 15500 microseconds and off for 500 microseconds? ...
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1answer
49 views

Burn a HEX file into Brenner8 using linux

I have got a version of Brenner8 called AEI when I try to burn my HEX file into PIC16f877a using command usburn -w -s40 -F16 -Ifilename.X.production.hex I got ...
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1answer
77 views

Connect PIC programmer to Linux

I have got a cheap USB PIC programmer but its CD has only drivers for windows is there ans way to work with it on ubuntu 14.04
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2answers
82 views

“Unable to open parallel port I/O driver” when trying to connect “RS232 to USB” cable on Linux

I have a JDM programmer for pic micro-controllers, but it came with RS232 port. I have bought a "RS232 to USB" cable with its driver for Windows only and I use Xubuntu 14.04 LTS. I have tried ...
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1answer
64 views

What knowledge and equipment do I need to build this device?

OK I am a Software Engineer dealing with both low level and C/C++/Java code with a Masters in Software Engineering but no knowledge of Electronic Engineering whatsoever. I wish to build a device that ...
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0answers
10 views

Falstad circuit simulator not displaying text

I've been trying to run the falstad circuit simulator on firefox on elementary os luna, however I can't seem to view any of the texts, such as for selecting components and such. I can right-click to ...
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1answer
59 views

Detect change on D- D+ lines [closed]

How can i detect change on D- and D+ (puling one or both of them high) USB lines from Linux environment?
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1answer
69 views

Sync pulse from PC

Can anyone suggest a way that I can send or detect short pulses between a microcontroller and an old laptop with limited I/O functionality. I need to do this every 5-10 sec. The laptop doesn't have ...
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2answers
153 views

intel nuc gpio access from ubuntu

I want to implement Interrupt Request via GPIO on Intel NUC d34010wkb. Are there any accessible GPIOs on board and how to access them? If there aren't any accessible GPIOs then what could be a ...
0
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1answer
69 views

Measuring time using an STM32F407VGT6 microcontroller

I'm using a custom board for charging and testing batteries. Its 'brain' is an STM32F407VGT6 microcontroller. I'm developing in Ubuntu (14.04.2 LTS), using ChibiStudio (ChibiOS/RT 3.0 development ...
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1answer
341 views

De1-soc HPS-to-FPGA AXI bridge

I work on DE1-Soc. I am using a linux BSP (linux console) that i found in terasic's website linux image. I have some questions about the AXI bridge. In fact i would like to send some data from the ...
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0answers
20 views

Zigduino Serial Communication works when programmed from Ubuntu but not Mac

So I have a zigduino which I am programming with TinyOS. I have tried programming TinyOS locally on Mac (10.10 Yosemite) and Ubuntu (14.10). It makes and programs fine using the command (on Mac): ...
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3answers
78 views

Courses about deploying Linux on embedded systems

I am a new grad student in EE and am trying to take full advantage of my time here at the uni. I have always wanted to understand how to get Linux running on embedded platforms, but from the outside ...
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0answers
47 views

Establishment of a2dp bluetooth connection

I have a problem with establishment A2DP sink Bluetooth connection. I have Allwinner A13 development board and Realtek RTL8723AU Wifi-bluetooth module with installed Linux kernel 3.4.103, bluez 5.28, ...
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0answers
79 views

Is it possible to encode a mpeg2-ts video with a FPGA linux core?

I need to take an unencrypted HDMI input, buffer that to memory, overlay it if possible, than encode it as mpeg2-ts and output it to an external device. I could do that with a raspberrypi and an ...
2
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0answers
66 views

Linux enc28j60 driver always times out on transmit

I've wired up an ENC28J60 module with an SPI interface to a Beaglebone Black development board running Linux 3.8, but I cannot get the device to TX (or RX) anything. Every attempt to TX times out and ...
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0answers
53 views

Is there a way to disable an UART terminal? [closed]

I have an embedded PC running Linux (master) and communicating with an external board (slave) through an UART terminal. Only 3-wires are used: RX, TX and ground. The power of the slave board is also ...
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0answers
135 views

beaglebone black doesn't autoboot when powered over jack or vdd pins

I have a BBB and it works quite well however when I power it over the Barrel connector or over the vdd pins rather then use the usb connection it doesn't automatically boot. When I put the barrel ...
2
votes
1answer
113 views

read all of 256MB NOR flash, but only erase first 139MB from Linux - uboot is all good [closed]

Background: I recently upgraded my 64 MB NOR flash on my PowerPC (P2020) embedded board to a 256 MB NOR flash. (The board has 2 GB of DDR RAM.) I had to decrease the page offset to provide enough ...
1
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1answer
87 views

Any Cortex-M3(LPC1768) compilers for Linux? [closed]

Are there any uVision alternatives for Ubuntu/Linux?, i know about LPCxpresso, but i just don't like it and its only for LPC MCUs. i tried Googling and it didn't help, I only saw results about ...
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1answer
162 views

Confused, Is raspberry pi a real device for learning embedded linux or just for hobby? [closed]

and sorry i couldn't think of a better title, please read this so you can understand what i am asking: I already bought the Pi, but as i see it has a fully featured pc like OS, what i'm seeking to ...
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1answer
76 views

How to troubleshoot a TI launchpad not running under Linux?

I have no experience with microcontrollers, except for a project a friend started with me and then abandoned midway. I still have the hardware and the code, want to complete the project, but I have ...
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votes
3answers
141 views

Designing a Single Board linux computer [closed]

I'd like to design a single board Linux computer, maybe something ARM-based but I really don't know that much about the hardware side of computers. Does anyone know where I could get some information ...
1
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1answer
413 views

K150 PIC Programmer on linux with usbpicprog?

I'm to search a low cost PIC programmer to use with Debian Linux. On another post i see a comment about use the usbpicprog programs to write .hex files. With the usbpicprog.org softwares, you can ...
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0answers
116 views

AVR USB by atmega8a in linux

Im using linux ,I made AVR USB by atmega8a everything is correct in micro and pc ,I can led off and and on but ,I have problem i can’t do this by usb cable (error : Could not find USB device!),I’m ...
0
votes
1answer
252 views

ARM Processor or FPGA to video signal processing? [closed]

I want to design a PCB where a video camera will take images and they will be shown in a display HD. So I have several questions in order to achieve it: I would like to know what is the best option ...
3
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1answer
408 views

Composite HID gamepad descriptor works on Windows but not on Linux

I am building an USB adapter for an old game controller. So far everything is working fine. My HID descriptor looks like this: ...
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1answer
51 views

How to attach/interface an ARM Cortex SoC with an stm32 processor

I'm trying to work out the best way to attach / interface an stm32f processor with a Linux based ARM SoC? Is it possible for the stm32 to communicate with the ARM SoC via I2C ...are there any ...
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2answers
810 views

What is the difference between context switching and interrupt handling?

I'm an embedded developer. I haven't worked with RTOS/linux. I was going through RTOS concepts when I stumbled upon 'context switching'. I understand that when context switch occurs, all the registers ...
1
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1answer
94 views

New PowerVR Support Introduced to ARM Cortex-A Embeded Processors [closed]

I understand that ARM Cortex-A and their graphics processing is a highly problematic section in GNU/Linux world I have heard due to the fact that Open-GL is not so much developed to the extent it is ...
0
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1answer
92 views

nRF8001 DevKit usage with FPGA and Embedded Linux

I would like to develop an application with Nordic's nRF8001 DevKit. The master emulator of this kit is an USB Dongle and it is originally meant for PC connection. My final goal for the project is to ...
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1answer
654 views

libmodbus trouble with reading from slave

I have the following code for connection to a temperature sensor as my slave using the libmodbus library in C, ...
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0answers
345 views

SPI LCD Screen on OpenWrt based hardware using Atheros AR9331

I'd like to connect a graphics lcd 240x64px to my OpenWrt based hardware, which is based on Atheros AR9331 MIPS architecture. The development board I'm using has SPI outputs... I've been using the ...
1
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0answers
60 views

Connecting a Embedded Device from Cloud

I am working on a Embedded Device using Linux operating System. The device is having a local database for storing sensor information and motor state. This device will be used for controlling a motor ...
1
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1answer
290 views

External MMU for cortex-M

The Cortex-M processors are getting faster and more powerful. The Cortex-M7 has just been announced. Yet these cannot run Linux (other than uCLinux) because the chips lack an MMU - Memory Management ...
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0answers
429 views

AVR dragon, Ubuntu and avrdude failed to sync

Don't panic if this seems a huge question, I just tried to add as many details as posible, but I guess most of them can be ignored and still get to the point. I am trying to set up my avrdragon to ...
1
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1answer
106 views

What are similarities between RTC DS1374 and RTC DS1307

I mostly work in software and not good in reading Hardware data sheets. I need help in understanding the similarities between RTC DS1374 and RTC DS1307,From below link I could make out that both ...
2
votes
1answer
124 views

Update ATmega168 program with serial

I'm working with an ATmega168 with a Linux based board (TI DM365). The ATmgea168 communicates with the TI over UART. The Atmel is programmed using AVRMKII and is running fine. I was wondering if ...
2
votes
2answers
1k views

How to use k150 pic programmer on Linux?

I'm trying to start with PIC microcontrollers. I bought this programmer: http://www.kitsrus.com/pdf/k150v2.pdf and a 16F628A. But I'm not able to use it with my Arch Linux... How can I do that? Thx ...
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0answers
220 views

Beaglebone black i2c-1 file write error

I am using beaglebone black i2c2 pin 19 and 20 of p9. Somewhere in the bet it was told i2c2 has told accessed with i2c-1 in /dev folder. I am booting default amstrom linux from emmc. Hardware is ...
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2answers
280 views

Serial Over IP or USB over IP?

Need to connect remotely to a device using cellular GPRS gateway. Device supports RS-232 and USB. It boils done to two options: 1.- Serial Over TCP/IP (Serial to Ethernet - to GPRS, or Serial to ...
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0answers
73 views

Installation of IceCube2 on Linux

I am trying to install the Lattice IceCube2 software on my linux box (i am using Fedora 20 64bit) but i only get the message that the binary installer cannot be executed. Does anyone know how to ...
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2answers
130 views

Linux-friendly PICs to timestamp an intermittent 4 µs long TTL pulse

I've got an experimental box of tricks -- the console of an MRI scanner -- that spits out a 4 µs long, +5V TTL about every 100 ms, when something interesting happens. I'd like to ultimately create a ...
2
votes
1answer
489 views

How does UBI determine a NAND flash block is bad?

I understand that if a block erase fails it can be marked as bad. If a page write fails immediately it can also be marked bad. I have a board that shows "read disturb" and/or "program disturb" errors ...
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2answers
199 views

Is it possible to change a USB's enumerated descriptors (from the OS side) after plugging it in?

I don't mean as in change the descriptors built into the device, but the descriptors that the OS has enumerated. Can this be done from the OS side without touching the USB device? For example, can I ...