Questions tagged [driver]

Questions about software drivers for external peripherals as well as drivers for the system components. This is NOT for questions about "driver boards", e.g., for motors; use 'dc-motor' instead.

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36
votes
3answers
15k 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 /...
33
votes
4answers
46k views

How do I load a module at boot time?

As stated in Why is my Audio (Sound) Output not working?, to initialise the sound driver, you must run sudo modprobe snd_bcm2835 every time you want to output sound. How do I get this to run on boot? ...
32
votes
3answers
6k views

Hooking up a Kinect?

There is a driver project established to run Kinect on Linux. See here: https://github.com/OpenKinect/libfreenect Will this work with an RPi? What are the constraints/obstacles likely to be? I'm ...
24
votes
5answers
42k views

What SPI frequencies does Raspberry Pi support?

What SPI frequencies does Raspberry Pi support? Additionally: Are they all supported by the bootc.net SPI driver? Are there any additinal things I should be cautious about when trying to ...
23
votes
2answers
3k views

Playstation Emulation

Does anyone know if it is possible to get the PCSXR (Playstation 1) emulator to work on the Raspberry Pi? On both Debian Squeeze and Wheezy, running any game on it with the xvideo plugin just gives. ...
19
votes
3answers
11k views

Has anybody tried to Debug using JTAG/BDM?

Is there a useable JTAG/BDM interface available on the Raspberry Pi? What hardware Debugger is needed for Debugging ? Can Open OCD be used?
17
votes
5answers
90k views

Mysterious RPi wifi problem — No wireless interfaces found

Alright, I have been unable to find a solution to this problem anywhere else online, so please bear with me: I have a new Raspberry Pi Model 2B which came with a wifi dongle (Ralink RT5370) and when ...
17
votes
6answers
76k 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 ...
16
votes
4answers
14k views

Kernel .config necessary options

I'm interested in compiling a custom kernel for the pi. I have the source from the github archive, which includes a make target for a default configuration: make ARCH=arm bcmrpi_defconfig But (as ...
15
votes
2answers
18k views

Enable monitoring mode for RTL8188CUS via USB on Raspbian

I am trying to enable monitoring mode for a USB wifi dongle with the RTL8188CUS chipset on a raspberry pi model b+ (or any raspberry pi for that matter). $ lsusb Bus 001 Device 005: ID 0bda:8176 ...
14
votes
3answers
8k views

Does anyone know of any kernel/driver programming tutorials?

I'm interested in using the RPi to teach myself hardware level programming. I've searched the internet for some tutorials for RPi but all I find are general "how to compile the kernel" tutorials. I'm ...
14
votes
5answers
15k views

Can I use a DHT22 as a temperature sensor for my Pi?

Is it possible to use a cheap temperature sensor such as the DHT-22 with the Raspberry Pi? I have found Arduino drivers for this and many similar things, and would be comfortable porting the code to ...
13
votes
3answers
18k 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: It must be small enough for a beginner (few month ...
11
votes
1answer
1k views

Is it possible to communicate with i2c devices via the GPIO? [duplicate]

Is it possible to communicate with i2c devices via the GPIO? Also, are there any existing drivers or libraries that make this possible from Python?
11
votes
2answers
21k views

Using USB as a slave [duplicate]

is it possible to have the Rpi act as a USB slave/device. I would like to be able to connect its usb to the USB of a standard computer, have the host machine recognize the RPI as a USB disk and then ...
9
votes
5answers
7k views

I2S DAC device support (kernel drivers?) and noise (“pop”, “crackle”) on playback

I am trying a Adafruit I2S 3W Stereo Speaker Bonnet for Raspberry Pi - Mini Kit, which is built around two MAX98357 (datasheet: adafruit, maxim), on a Raspberry Pi Zero W with Raspbian Stretch (...
9
votes
3answers
3k views

Would this touchscreen work with a Raspberry Pi?

I'm looking at getting this 659GL-70NP/C/T touchscreen for my Raspberry Pi but I'm not sure if the touch surface will work with the Raspberry Pi Android OS. Will it?
8
votes
1answer
5k views

How to make RTL8188CUS based wireless adapters work on Arch Linux?

There are instructions for Debian but not for Arch. So far lsusb and dmesg show that the kernel detects and identifies it but the output of iwconfig shows nothing.
8
votes
1answer
2k views

How to write device tree overlay for analog device touchscreen ad7879 i2c

I wrote a device tree overlay for driver ad7879-i2c touchscreen (compiled as module using Raspberry Pi source, files: ad7879-i2c.c, ad7879.c). Driver gets loaded but i guess parameters are not passed ...
7
votes
2answers
42k views

How do I install the drivers for a WiFi dongle with the RealTek 8812AU chipset on Raspbian? [duplicate]

I have recently purchased an Edimax EW7811UTC AC WiFi adapter for use with my Raspberry Pi 3b running Raspbian Jessie with Pixel desktop. This WiFi dongle uses the rtl8812au chipset and the driver for ...
7
votes
3answers
10k 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 ...
7
votes
1answer
2k 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.
6
votes
2answers
2k views

What sort of throughput is achievabe over the USB 3.0 port on the Pi-4?

Looking to run a router application on the rPi-4, and was wondering if anyone has experience using usb 3.0 -> gigabit ethernet adapters on it - specifically what adapter/chipset worked with what ...
6
votes
1answer
8k views

How do I use Yocto to build an sdcard image for my Raspberry Pi 3 Model B?

Background I was starting to look at using Yocto as a system for building software images for the Raspberry Pi 3 Model B that I have. I wanted to try using Yocto as there are some projects at my ...
6
votes
3answers
44k views

White screen on touchscreen display

I connected my 3.5" touchscreen display to the raspberry and nothing appears on it. When I start the raspberry, only the white screen appears and doesn't disappear. However, connecting an external ...
6
votes
2answers
13k 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 ...
6
votes
2answers
4k views

PREEMPT_RT and RPi Drivers

I'm planning to do some realtime control loop tasks with the RPi. In this post PREEMPT_RT and Xenomai were proposed. I'm thinking about trying PREEMPT_RT, as I'd like to keep it as simple as possible. ...
6
votes
3answers
5k views

Compile linux module on Raspbian error

I am trying to compile a simple helloworld module on my Raspberry Pi B+ under the 3.18.7+ Kenel. I did it after THIS tutorial. When I try to build my module I have this error : make[1]: *** /lib/...
6
votes
1answer
1k views

Dial up HSF usb Conexant modem linux driver for ARM architecture

Hello I've being trying to install my usb HSF Conexant dial up modem to my Raspberry PI 2 B which is running Raspbian OS. I checked a company named Linuxant that makes these kind of drivers but ...
5
votes
2answers
19k views

Raspberry Pi Recognizes Logitech C920 Webcam But Can't Do Anything

Running Rasbian OS on Raspberry Pi B From dmesg: [139215.134634] usb 1-1.3: new high-speed USB device number 7 using dwc_otg [139216.356892] usb 1-1.3: New USB device found, idVendor=046d, idProduct=...
5
votes
2answers
5k views

Issues installing RTL8812BU WiFi driver on Raspberry Pi 4 B

Recently, I bought a USB3 WiFi adapter with the RTL8812BU chip (Supports Linux). I have spent 5 hours so far trying to install the Linux driver for the chip on my Raspberry Pi 4. Apparently, I am not ...
5
votes
1answer
3k views

Problem with QinHeng CH9200 driver - Pi 2 (4.1.7-v7+)

English is not my native language so please be patient. I'm using a Rasp and the Ethernet port is already taken, so we bought a USB2.0 to Fast Ethernet Adapter, like this one: https://www....
5
votes
2answers
22k 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 ...
5
votes
2answers
2k views

Change Official 7" touchscreen sensitivity

I'm required for a project to have a 2mm glass shield over the official 7" touchscreen. With it in place, I obviously can't detect touch any longer (except when using 2 fingers at the same time but it ...
5
votes
1answer
351 views

Wi-Fi transfers hang on Raspberry Pi 3

I was trying to transfer a 50 MB file to my Raspberry Pi 3 via samba and I noticed that after few seconds the transfer slows down until it stops, same thing via scp. It starts but after few seconds (5-...
4
votes
2answers
11k views

How do you install a uncvideo driver for a Logitech C910?

According to the verified peripheral http://elinux.org/RPi_VerifiedPeripherals my Logitech C910 HD camera should work with the "uncvideo" driver. How do I install this driver? Is it a simple as ...
4
votes
1answer
722 views

Execute script on boot (with boot folder)

I'd like to know, whether there is an option to execute a script on the first boot of Raspberry. There is a catch though. I'd like to be able to put the script in the boot folder. Since it is ...
4
votes
1answer
2k views

Unloading kernel module does not remove /dev/ device file

I have had success following tutorials for developing kernel modules, running them on a Ubuntu 12.04 LTS virtual machine. Particularly the example in this tutorial works fine on Ubuntu on a 3.2.0 ...
4
votes
1answer
11k views

Why do I get 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: http://laurenthinoul....
4
votes
1answer
1k views

How do I install the DisplayLink driver for Ubuntu on Raspbian?

I have a Raspberry Pi 3 Model B v1.2 with Raspbian Stretch 9.1 as an OS. I have the USB graphics adapter Kensington K33907. How can I proceed to install the DisplayLink driver for Ubuntu on Raspbian? ...
4
votes
1answer
629 views

Can I run the RPI driver in ArchLnux?

The RPI driver perports (source) to bring accelerated Xorg performance by routing X output through a frame buffer driver. The wiki page has clear instructions, but they are very specific to Raspbian, ...
3
votes
1answer
6k views

RPI2 Kernel module compilation (kernel 3.18.11+ vs 3.18.11-v7+)

I want to recompile a kernel module/driver on my RPI2 for my RPI2. The command uname -a gives me: Linux cpf 3.18.11-v7+ #781 SMP PREEMPT Tue Apr 21 18:07:59 BST 2015 armv7l GNU/Linux Q1) What ...
3
votes
1answer
2k views

Raspberry Pi-2 with mainline Linux kernel

With several nice commits landing into the mainline of Linux Kernel for version 4.5, is it already possible to compile and boot a mainline kernel (e.g. 4.5-rc6) on a Raspberry Pi 2? If yes, then what ...
3
votes
1answer
19k 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.
3
votes
1answer
265 views

Editing heartbeat LED trigger

I am trying to edit the timer of heartbeat trigger on RPi Zero. I have found original .c file of kernel driver here https://github.com/raspberrypi/linux/blob/rpi-5.4.y/drivers/leds/trigger/ledtrig-...
3
votes
3answers
8k views

Ubuntu 19.10: Enabling and using Raspberry Pi Camera Module v2.1

I have installed Ubuntu 19.10 64-bit on my raspberry pi4 with 1gb ram. I know raspbian would be the better choice, but I have to use Ubuntu for some other reasons. Moreover I know that Ubuntu Mate ...
3
votes
3answers
3k views

How to connect ST7789 LCD to SPI Bus 1 as 2nd screen?

I've been trying to get this ST7789 library working with the 240x240 1.3" display on the rpi0w Python lib https://github.com/solinnovay/Python_ST7789 So far I've set all the screen pins to the bcm ...
3
votes
1answer
13k 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 ...
3
votes
0answers
46 views

How to write a Kernel module using SPI properly?

I have no experience writing kernel modules. I build some examples with gpio interrupts and they worked prety well. Now I want to use SPI from my kernel module and I will explain why I need it. I am ...
3
votes
1answer
2k views

DS18B20 Temperature Sensor - Rpi 3/4 Driver, Wiring, Detection, and Python Programming

I am new in raspberry pi. In my research project, I would like to monitor ground temperature at 60 points. My team decided to set a monitoring system using raspberry pi. As a preliminary test, I ...

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