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.
313 questions
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USB-Serial converter mapped to /dev/ttyUSBx on boot, but not on plug
I have a USB-RS232 converter with an FTDI FT232R chip (VID:PID=0403:6001) that is detected and mapped to /dev/ttyUSBx on boot of the RPi 3B, but does not map to /dev/ttyUSBx if it is simply plugged in ...
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Raspbian Stretch C920 webcam driver LED control regression?
In a previous Stack Overflow post (April 16th 2018), Raspberry Pi : use VLC to stream webcam : Logitech C920 [H264 Video without transcoding + Audio + LED control], I described how to use the Pi + ...
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Header files not being found (sys/stat.h)
I am trying to compile a device driver to control some LEDs connected via GPIO pins. First, I got errors that /lib/modules/4.14.31-v7+/build was not found, so I ran sudo apt-get install raspberrypi-...
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Problems with compiling drivers for rtl8192cu
I'm trying to use realtek 8188cu module in concurrent mode(both station and AP mode simultaneously). I downloaded the driver source files from here: https://github.com/raspberrypi/linux/tree/...
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Modifying libcomposite module doesn't work
I'm trying to modify the libcomposite module in a way that it prints the functions of which are loaded to the log file.
I'm using an Raspberry Pi Zero W with the 4.9.20+ Kernel. I updated everything ...
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I cannot change the kernel on 4.4.11-v7+
I have a pi 2B where I installed raspbian using noobs on 6-14-16. I have been trying to compile drivers for a wireless nic, specifically the archer T4UH. Doing this requires that the kernel be ...
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RPi 3 B - On-Board wifi not present
I have this Raspberry Pi 3 B, and it seems that the on-board wi-fi is not showing at all.
I have downloaded and flashed a fresh image of raspbian, but that did not help. If I use an external USB wifi ...
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Is it possible and reasonable to use a i386 rpm driver on Raspbian?
I have a Dell Color Laser 1320c (or Fuji Xerox C525 A; their drivers seem to be compatible) and want to use it in a CUPS server on a Raspberry Pi. Unfortunately, I can only find a i386 driver as a rpm ...
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L296N to Raspberry Pi pins disanbiguisation
I have some concerns with the L296N module.
Let's consider the below module notation.
I understand what all the connections do except the pair (7 and above) and (12 and above).
Let's consider only ...
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How to check if Edimax EW-7811Un driver has been correctly installed?
I am using an Edimax EW-7811Un wireless adapter on a Raspberry Pi 2B on which I have a minibian installed, a minimal image.
I think I've installed the 8192cu.ko driver files correctly, but I'd like to ...
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Installing ESP8266 SDIO driver; "make" command gives "Kernel build tree not found" error
I'm attempting to add a kernel module on a Raspbian Debian installation for an SDIO-based wifi module driver( found here: https://hackaday.io/post/28712)
The stable image comes with kernel 4.1, so ...
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TL-WN725N v2 WiFi adapter not working on Raspberry Pi Arch Linux
I have a TL-WN725N v2 WiFi adapter and I can't get it working on Raspberry Pi running Arch Linux. Linux kernel version is 3.18.5-1-ARCH #1.
Some time ago, to make this adapter working, it was ...
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Is there a big touch monitor available which works with Raspbian OS?
I am interested in buying a big touchscreen. I am talking about 19" - 23" . But I am not sure if Raspbian OS supports these screens out of the box or what is needed.
Did anyone already made such a ...
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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 ...
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Raspberry PI camera module
This might seem like a strange question, but does anyone know the reason for the camera driver not be implemented as a SoC camera driver?
For those not familiar with this, it is a framework that ...
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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 ...
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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 ...
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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 ...
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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? ...
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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 ...
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Usb driver development in raspberry pi
I want to connect some 3d printers in a raspberry pi. The printers doesn't have Linux drivers and support, so i want to write my own drivers. Does anyone knows good tutorials or software that can make ...
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How can I use a PQ Labs multitouch overlay with the Pi?
I have multitouch screen overlays from PQ Labs that I would like to use with my Pi. They only have drivers for the x86 architecture.
Is there any way I can use these? If not, are there other ...
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How to make ePaper work in landscape mode with RPi Pico?
I bought a 2.9inch ePaper display for RPi Pico (296 × 128 Pixels, Black / White / Red, SPI Interface) from WaveShare.
I found several MicroPython drivers for 2.9" ePaper on Waveshare's GitHub:
...
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Problem controlling 3 servos of different types [closed]
I had a remote developer do code for 3 servos to control a mechanism. He made sure to aquire similar hardware. Rpi4 and 16channel pwm driver. He used 3 sg90 servos. I have 1 sg90 and 2 smaller servos....
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issue with installing rtl8852au driver on mobile robot with rpi4
Good morning y'all!
Happy Easter to you kind souls!
I'm stuck trying to get my new TP-Link AX1800 - Archer TX20U Plus working on my mobile Robot I'm working on.
The Archer TX20U Plus is based on the ...
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X server unable to launch using vc4-kms-v3d GL driver on a 8gb Pi4b+ [closed]
I've been encountering some tearing issues in kodi and so chose to switch to the vc4-kms-v3d driver in my boot config. The performance in now significantly improved, however I also occasionally need ...
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SPI Chip Select (CS) Control?
I am working with spidev on my RPi4 project and I have noticed that there is a significant delay caused by the CS signal. I am using the hardware CS pin (CE0, pin header 24) to drive the CS signal for ...
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Real TTY Driver installation - Moxa 5110 not able to connect /dev/ttyr01: Input/output error
trying to get my Moxa Nport 5110 to work with the RPI4.
Currently Using:
Raspbian GNU/Linux 10 (buster)
installed moxa-real-tty-drivers-for-linux-kernel-5.x-v5.1
added some tty ports automatically (...
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Help debugging random USB Wifi disconnect with ALFA AWUS036ACM (chipset MT7612U)
To improve the Wifi on my RPi4, I bought an ALFA AWUS036ACM USB Wifi dongle, based on very positive compatibility reviews…
After a few weird missing driver file issues (that might be due to my running ...
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On Raspberry Pi 4 with Ubuntu 22.04 don't work ioctl
I have Raspberry Pi 4 (aarch64 Cortex-A72) with OS Ubuntu 22.04 LTS 64-bit installed. I try read frame from webcam.
When I run this code:
if (ioctl(fd, VIDIOC_DQBUF, &buf) < 0) {
std::cout &...
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(RPi4) AHD to CSI-2 and ENOSPC / PiCameraMMALError: Failed to enable connection: Out of resources
I have a fun one - I'm trying to get an analogue camera input (AHD using a normal BNC connector) over a CSI-2 cable/bus (standard RPi one, not the dual-lane Google ones), and be usable through the CSI ...
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HDMI-to-( TTL or LVDS ) decoder/driver on a custom PCB [closed]
I am working on a custom-made handheld PCB based around a PI Compute Module and one of the hardest steps I have found is how to include an HDMI-to-(50pin-TTL or LVDS) driver on my PCB to run my LCD ...
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Linux driver support for OV4689
I am working on Camera driver in Linux.
We used camera module with OV4689 IC.
Below is the link
https://www.arducam.com/product/1-3-ov4689-sensor-standalone-camera-module-uc4689-a46/
Any one used ...
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Raspberry Pi Compute Module 3+ yocto usb ethernet found but not working
I've created my own very basic console distro with yocto and uploaded it to a compute module 3+. Everything works so far, but I am unable to access internet via the connected AXIS AX88179 Gigabit ...
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Is There Support for 8-bit/4-bit parallel i/o bus (8080 or 6800) for LCD drivers?
I'm looking at using a 240x128 LCD with a UC1608 chip. Are there any packages that support parallel i/o with it? The UC1608 has support industry standard 3-wire, 4-wire serial bus (S9, S8, S8uc) and ...
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How can specify unsigned number corresponding GPIO pin in linux kernel module?
I am beginner of linux driver. I want to write my simple module with led. i found some function like gpio_request(unsigned gpio, const char *label), gpio_export(unsigned gpio, bool ...
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Driver installation Edimax EW-7811 UTC
I am trying to install the drivers for Edimax EW-7811UTC on Raspberry Pi3 running Stretch lite. I followed the steps given in How to install EW-7811 AC600 Series and EW-7822UAC adapters on Raspberry ...
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Display drivers for RaspberryPi3B+
I am trying to get a 3.5 inch RPi Display working on my raspberry pi.
I have written my sd card with raspbian and the pi works well (red LCD glows all the time , and greed LCD flickers (fades on and ...
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How to get maximum GPIO output speed in Kernel module?
I'm writing a Linux kernel module on RPi2 to push an array to RGB Led matrix, so I want to have maximum speed of GPIO to reduce the 'flick' when it run Bit Angle Modulation. According to this site, ...
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Slideshow program to use with Raspbian and OpenGL?
I have a Pi 3 Model B+ which I wanted to use as a device to show a slideshow for images on a screen. I'm using Raspbian and was happy with FEH, but since another program ("redshift", a blue light ...
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SONY TV as Display / Monitor
Background:
I have successfully used pi-3b+ to display on LG LED TV, New model Sony 4K LED TV.
Requesting your support:
The year 2011 SONY 40NX710 model is showing blank (No desktop / text-console).
...
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Waveshare 7'' LCD conflicts with WIFI (hostapd)
I have bought a Waveshare 7'' LCD (C) (https://www.waveshare.com/7inch-HDMI-LCD-C.htm) and it seems to work correctly on Raspberry PI 3B+ following the instructions on the site (it doesn't require ...
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How and from where is the ENC28J60 driver loaded?
I have a raspberry CM3 setup where I added an external eNet port so that I have internet connectivity. It is very similar to the break-out board setup such as this one which is also based on the ...
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Compute Module 3 BCM43364 WiFi via SDIO
I have a Murata 1FX evaluation kit, and I'm attempting to use it to get WiFi working on a Compute Module 3 (with the CMIO board). It uses the Broadcom BCM43364 chipset, which is similar to what the ...
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Install Archer T1U driver on Ubuntu Mate
I am trying to install a driver for this wireless dongle but it states that the drivers can be built only on kernel versions 2.6~3.16. While mine is:
uname -a
Linux pi-raspberry11 4.4.38-v7+ #938 SMP ...
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How do I speed up MG995 servo motor using PCA9685 motor driver?
I am using PCA9685 to drive a MG995 servo motor. I am using the following code to control the servo motor.
import time,Adafruit_PCA9685
def elbow():
pwm = Adafruit_PCA9685.PCA9685()
pwm....
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Install rtl8192cu WLAN driver on android
I have a RPi2 and have installed Lineage OS 14.1 (Android 7.1.2)
However my wifi adapter(0bda:8176 Realtek Semiconductor Corp. RTL8188CUS 802.11n WLAN Adapter) which worked on Raspbian, doesn't seem ...
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In simultaneous use of SPI0 and DPI Mode 3 interfaces, can SPI0 CS0 be moved to a pin other than 8?
I am attempting to design a device using a Pi Zero which needs to connect to both an ENC18J60 SPI ethernet controller, and a VGA monitor via Mode 3 DPI and the Mincepi Pi Zero pi2vga schematic. While ...
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CODEC I2S: Using SGTL5000 in a custom board
I am using this board and this works:
https://fe-pi.com/products/fe-pi-audio-z-v2
Now, I wanted to integrate an SGTL5000 (the above board's CODEC) in a custom board. I designed it and I already have ...
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How do you add new "driver.c" files to get built with kernel
I've been following this guide to it's entirety when building existing kernel modules with no issues.
My problem arises when I try to add my own driver.c files to the /linux/drivers/input/touchscreen ...
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