Tagged Questions

Questions about drivers for external peripherals as well as drivers for the system components

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0
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0answers
21 views

Using motionPie: I'm stuck trying to install a camera driver

I'm trying to set up a raspberry pi for these tasks: streaming video over a network listening to commands (I'm not yet sure how to do that) over network parse commands and control a slave connected ...
1
vote
1answer
21 views

Kernel .config necessary options

I just upgraded from 3.13.6 to 3.17.1; when I upgrade I usually do not change anything, I just use the previous .config (from /proc/config.gz) and update it via make oldconfig (or make menuconfig, ...
0
votes
0answers
16 views

Using I2S/PCM on the P5 header

I am trying to get audio capture through a custom codec board that is using I2S to communicate the audio data. I'm having trouble finding support for using I2S. There was a lead here although the ...
0
votes
0answers
15 views

Stepper motor driver differences? [closed]

I have recently used a H bridge to control a small stepper motor obtained from a DVD drive and now want to look into controlling something larger, for example large Nema 23 steppers. From reading ...
2
votes
0answers
59 views

Motion works on one PI, but not on another

I'm trying to migrate Motion from one PI (IP51) to another (IP61) and am running into problems getting all the functions working. I'm testing if Motion is working by if I can see the picture in ...
1
vote
2answers
2k views

TL-wn725n V2 driver needed for Linux 3.12.28

I'm Trying to get TP-link's TL-wn725n V2 Nano USB adapter working with my Raspberry PI and an running into problems. I've read a few posts, but an getting myself confused. I can SSH via Ethernet to ...
0
votes
1answer
66 views

Does the kernel support a BMP180 BMP85 digital pressure sensor out of the box?

The kernel generates a virtual file with the values for the famous temperature sensor DS 18B20. Is there a plug and play kernel support for the I2C digital pressure sensors BMP180 and BMP85 too? ...
1
vote
1answer
332 views

USB modem not switching from mass storage to modem mode

I have ZTE MF669 USB modem. root@raspberrypi:/home/pi# lsusb Bus 001 Device 002: ID 0424:9512 Standard Microsystems Corp. Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 001 ...
0
votes
0answers
50 views

Send raw SD commands to manage a SDIO device

I want to manage a non standard SDIO function from the Raspberry Pi (this is contained in a Combo SD card, so I boot the system from the SD storage). Should I write a driver for this? Is there any way ...
0
votes
2answers
184 views

playing wav files with pygame bad quality with noise

I am trying to play a wav file in my raspberry-pi using pygame. I am able to play the music in the speaker.But the sound is very low and many noises are coming along with the sound. Is there some ...
0
votes
0answers
402 views

How to ILI9341 SPI TFT display make work

I bought this display: There it is. After installing drivers for it( drivers are here ), display works, but only quarter of screen works and whole screen is flickernig. My kernel isLinux NETRUNNERHUB ...
2
votes
1answer
2k views

Why I obtain this error trying to install TP-LINK (TL-WN725N) wireless adapter driver?

I am very new in RaspBerry and I am using RaspBian distribution. I am going crazy to install the wifi USB adapter. The used model is a TP-LINK TL-WN725N I followed this tutorial: ...
1
vote
0answers
50 views

What's the difference between Rpi kernel source and Rpi distro kernels?

I need a specific kernel module (driver for a USB grabber), which is included in kernel 3.12. So, I went for Pidora, which features kernel 3.12 but was surprised, that the module wasn't included in ...
1
vote
1answer
165 views

Is there a big touch monitor available which works with raspian os?

I am interested in buying a big touchscreen . I am talking about 19" - 23" . But I am not sure if Raspian OS supports these screens out of the box or what is needed. Did anyone already made such a ...
0
votes
0answers
100 views

Setting up wifi with wpa_supplicant error

I purchased a TP-LINK TL-WN725N usb adaptor to connect to wifi, as I don't have an ethernet cable long enough to reach my router (on a different floor). I've installed the drivers for my kernel ...
1
vote
1answer
165 views

Is GPU accelerated Xorg server released

we are working C# windows form application. The rendering of form and form navigation is very slow. I was reading about the speed improved X org server or graphic driver about to release in 2013. Is ...
1
vote
0answers
50 views

Raspberry PI camera module

This might seem like a strange question, but does anyone knows any reason for the camera driver not be implemented as a SoC camera driver? For those not familiar with it this is a framework that ...
0
votes
0answers
40 views

Install New Software on Raspberry Pi

We need to log data from data logger to Raspberry Pi and send it to server by USB 3G/2G module. For logging data a software/driver has to be installed and also the 3G/2G data card driver on raspberry ...
0
votes
0answers
97 views

RTLWIFI drivers without a custom kernel?

According to multiple sources, the only way to get a USB wifi based on the RTL8192CU chipset into monitor mode is to use the RTLWIFI driver, instead of the stripped down driver that ships in raspbian. ...
0
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0answers
453 views

4G internet with Huawei E220 or K5150

I have got a Huawei E220 modem and I connect it with sakis3g. Recently I switched to a 4G network with 40Mb/s speed. However, with this modem I still get only 2Mb/s, because I think I connect through ...
1
vote
0answers
111 views

Driver for these SPI TFT displays?

I have some old SPI TFT screens with the uncommon chipset like SPFD5408A and EPSON S1D15G10. I want to use it as a main screen. (if possible) Can i use/modify from the fbtft(notro) or anyway i can do ...
0
votes
1answer
820 views

Capturing serial number of 2 USB RFID Reader in python (PI+2 RFID (Mifire RFID))

I've tried several programs to capture the serial number of 2 USB RFID Reader. I use 2 Mifire RFID (named RFID A & RFID B) and they connected to my Raspberry Pi. I want the Raspberry Pi ...
0
votes
2answers
288 views

USB webcam showing green screen

I am trying to get my usb webcam working with pi, but apparently there is a problem with coding or driver, as the camera output is showing only green screen with some crazy pixels at the top (as the ...
0
votes
0answers
24 views

How to add/write a modules to emulate throught modprobe?

just for the story, I'm using the barometer bmp085, which is using bus 12c. There are enough library out there to read it just fine. My current usage is to query and interpret the readings through a ...
0
votes
1answer
121 views

RPI FAT32 Filesystem?

Is it possible to make the filesystem of the pi, which is normally EXT, to a FAT32, and the pi would still be able to use it? It would be very handy, cause then i would be able to edit the files for ...
0
votes
1answer
145 views

Installing driver in raspberry pi [closed]

i dont know how to do it. I try to install driver into raspbian. I was download it manually and extract it into a folder. But I don't know how to run the setup.exe. Anyone please help me. I try to ...
1
vote
0answers
348 views

Issues with rtl8192cu drivers

The Problem: I am currently having trouble with WiFi drivers on the Raspberry Pi. I am using PiBang which is built on top of the Wheezy distribution. I have an Edimax nano USB WiFi dongle which ...
2
votes
2answers
95 views

Pre-install device drivers

I do not have a USB plug-and-play keyboard for my Raspberry Pi. I do have however a Bluetooth keyboard and a USB Bluetooth dongle. The problem is I have no way to configure my Raspberry Pi during ...
3
votes
1answer
3k views

Set up Edimax EW-7811UN WiFi dongle?

I have an Edimax EW-7811UN WiFi dongle and I want to use it to connect to my WiFi on Arch Linux 3.10.18-1-ARCH+ (taken from the login prompt, not sure if that's correct. I'm new to Arch). I went with ...
0
votes
1answer
1k views

Controlling multiple 7-segment LEDs with few GPIOs

I've got a simple single-digit 7-segment LED working properly (simply using 7 GPIO pins), but I'd like to scale it up to multiple digits and higher power. But I'd like to keep the number of GPIO pins ...
1
vote
2answers
785 views

Write Device driver for Raspberry Pi?

I have recently started playing with raspberry pi and want to write device driver for it. Already installed cross tool chain in development PC (having Ubuntu), compile and download application code ...
1
vote
1answer
1k views

Installing Wireless Drivers

I am having trouble understanding how to install the drivers needed for my usb wireless that came with my Raspberry Pi Starter Kit. I have the drivers from the CD on the SD card. install.sh does ...
0
votes
0answers
207 views

What steps would I need to take to use a kindle fire screen with my RPi?

I have a first-generation Kindle Fire and a RPi. The Kindle Fire screen has a LVDS interface. The Kindle Fire runs a modified version of an Android OS. As background, I have moderate experience in ...
0
votes
1answer
178 views

buildroot and rpi-firmware

I am able to bring up a minimal kernel using raspberrypi_defconfig in buildroot. I noticed that there are some .ko files in the rpi-firmware package downloaded from git. How can I include those into ...
1
vote
1answer
810 views

Will this LCD touch panel work with RPi

I am come across this nice looking affordable touch screen lcd panel http://za.rs-online.com/web/p/lcd-colour-displays/7812992 and was wondering if it would be compatible with the RPi. It seems as if ...
1
vote
2answers
353 views

How to use the DS2482 kernel module

I want to use the ds2482 kernel module/driver but I'm struggling to find an example to start with. I've googled many searches but I swamped with git trees and source trees. I've loaded it OK and it ...
2
votes
1answer
3k views

Raspbian, installing drivers with terminal

I have a driver file 8188eu.ko in /home/pi. I'm wondering what command I write to install it? If I have to specify where to install it I need help there too. The driver is for a wifi dongle.
1
vote
1answer
1k views

Installing drivers from USB storage

How do I copy a driver from a USB stick and what directory should I put it in? I'm using Raspbian. The driver is found here and it's for my TP Link usb wifi dongle: ...
1
vote
1answer
485 views

Problems using Brother DCP-145C USB Scanner

I'm trying to use my old Brother DCP-145C Multifunction USB-Printer as a network printer/scanner with the RPi. I roughly followed this guide so far: Setting up the printing functionality via CUPS ...
2
votes
1answer
328 views

Building Linux Kernel for Driver Creation

I am attempting to compile the kernel for the RPI using Raspbian. These are the steps I took... (1) Imaged the SD card from http://www.raspberrypi.org/downloads (2) Downloaded the kernel from and ...
6
votes
1answer
1k views

Is someone working on a video4linux driver for the camera module?

There are a ton of Linux applications that will interface with a camera with V4L. It would be totally awesome if there was a V4L driver for the Raspberry Pi Camera module.
1
vote
1answer
475 views

Is the Wistron NeWeb DNUB-236 supported on Raspbian?

I have a Wistron NeWeb DNUB-236 USB wifi dongle, which has the Broadcom BCM43236 chip onboard. I got it to work on my ubuntu system by using the brcmfmac driver. Is this driver supported on Raspbian? ...
7
votes
2answers
4k views

Learning Linux driver development with Raspberry Pi

I'd like to write a Linux device driver for some real hardware device. What Raspberry Pi peripherals are a good fit? Basically I need the following: 1) It must be small enough for a beginner (few ...
1
vote
0answers
197 views

Seeking Raspbian Wheezy drivers for Oculus Rift

We're experimenting with the Oculus Rift Linux developer's SDK and thought we'd ask if there is any experience or open software to help us get started on Raspberry pi, running the latest drop of ...
3
votes
3answers
7k views

Enable monitor mode in RTL8188CUS realtek wifi USB dongle

I am trying to enable monitor mode in a RTL8188CUS dongle attached to a raspberryPI. This is the error I get when I try to change the mode: pi@raspberrypi ~ $ sudo iwconfig wlan0 mode monitor Error ...
1
vote
1answer
862 views

Why do one have to be root to acces gpio?

I have long wondered about this. I mean there are a lot of low level stuff that a user can get access to. If a driver exports gpio to /dev/gpio and that file is writable by group gpio how would that ...
1
vote
1answer
914 views

Performance problems with xboxdrv

I wanna use the RPi as an emulation machine, thanks to RetroPie this is not a big problem. To control everything I want to connect multiple Xbox 360 wireless gamepads. This is possible by using ...
0
votes
0answers
973 views

Logitech QuickCam Messenger Communicator webcam drivers

Im trying to figure out if I can get the logitech messenger communicator webcam working with the Pi. (no, its not on the supported software list) In searching for drivers, I came across this link ...
12
votes
1answer
4k views

Level of Hackability of raspberry pi

I have been working with embedded systems (mostly micro controllers) for about 3 years. I want to know how much of RPi of actually open source?? I know arduino gives us complete details of hardware ...
1
vote
0answers
159 views

Where can I find example C source for using non-graphics related parts of the Mailbox interface?

I would like to extract information about the Raspberry Pi like Serial Number, Board Model, Board Revision, CPU Clock Rate, Temperature in a C program. It looks like I have a couple of options: Use ...