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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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Want to install drivers for FLDIGI using rasbian

I have an issue trying to run FLDIGI with My Yaesu FT-991a. Everything I read says i need drivers to make it work but best i can find is this driver [https://www.silabs.com/products/development-...
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0answers
49 views

Using the Syren 10A Motor Driver with a RPI-zero to drive a Peltier

I'm kinda new on how to drive power consuming devices such a Peltier with a microcontroller and I would like to hear your opinion. So I have bought the following parts: A 2.8A Peltier and The Syren ...
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0answers
18 views

Modifying wireless driver to include the number of re-transmission in RPI3

I was working with RPI3, where I need to get the number of retransmission in the IEEE802.11 layer in case of worse wireless channel condition. I was looking in /sys/class/net/wlan0/statistics to find ...
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0answers
31 views

Counting the number of re-transmission for a single UDP packet transmission in IEEE 802.11

I was working with a client-server project based on UDP and 802.11 as a link and physical layer. There, the client was trying to probe some packets in the wireless channel to gauge channel condition. ...
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0answers
19 views

2A Brushed motor driver [migrated]

I need to power 2 brushed dc motors with 2A each and 3 to 6V, one direction(no bidirectional or break). To the enable the rpi 3.3V pwm, and standard pins(breadboard), not those micro pins. I know the ...
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0answers
21 views

CUPS with Epson XP-6000

I'm a new raspberry pi user. I'm trying to install an Epson XP-6000 printer using CUPS. I don't see this printer model listed on the page to pick drivers and googling around hasn't turn up much in ...
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1answer
19 views

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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1answer
105 views

Change active wifi network without reboot using external USB wifi dongle

I'm trying to programmatically change which wifi network my PI is connected to, on the fly without a reboot. When I run the script using this USB wifi device it won't switch. However, it works when ...
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1answer
238 views

dmi: Firmware registration failed

I have installed Gentoo kernel 4.14.y from https://github.com/raspberrypi/linux. dmesg shows the following errors ... ... [ 0.182547] dmi: Firmware registration failed. ... ... [ 2.224843] mmc1:...
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44 views

Raspberry Pi 3B rebind driver of onboard wifi

I have a raspberry pi-3 and I am running on raspbian stretch with latest updates till 27/08 (except kernel which is locked 4.14.52) Does anyone know how to unbind and then bind the wifi adapter ...
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0answers
31 views

Kernel module can't be loaded - “invalid module format”

Headline: I've cross-compiled a kernel module for the Raspberry Pi, but on attempting to load it, I get the following error: insmod: ERROR: could not insert module testmod.ko: Invalid module format ...
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0answers
41 views

Single channel SPI DMA

The documentation on the SPI peripheral says: Two DMA channels are required, one to read from and one to write to the SPI. Is this necessarily true? I have a device where I need to write a few ...
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2answers
76 views

My Raspberry Pi is crashed and I'm not able to access it with SSH or SFTP. I need to backup my USB Drive mounted with Raspberry Pi

My device is Raspberry Pi 3B with Raspbian stretch lite OS installed. I was followed this tutorial to mount USB drive with my Raspberry Pi. But today my Raspberry Pi crashed for trying to uninstall ...
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0answers
27 views

GPIO device Driver

I know how to write own drivers for GPIO on micro controller like we have to set registers values and all so we can use GPIO pin as input and output. My question is How can I write same for ...
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1answer
348 views

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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1answer
54 views

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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0answers
59 views

Error 41 - Required SSSE3 instruction set not supported by the cpu

I'm trying to connect the ueye camera to a Raspberry Pi 3 B+ over usb. I downloaded the Linux drivers and tried to install it. However, upon installation I got this error: Error 41 - Required ...
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1answer
39 views

Updating Pi 3 B's WiFi driver for security improvements [duplicate]

The recent KRACK vulnerability has made me worried about taking my Pi out with me in public areas. I was wondering if the Raspian/Linux dist would of updated the WiFi driver automatically to protect ...
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3answers
959 views

Building drivers for rtl8811CU/rtl8821CU

I've extracted driver from cd that came with my wireless card and modified it to build on kernel versions up to 4.15. Thanks to similar drivers already patched for new kernels it was an easy task. I'...
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1answer
590 views

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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0answers
112 views

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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1answer
74 views

1020x1080 Touchscreen driver

I want to install the LCD-show driver to my raspberry Pi. But the touchscreen I have to use has a 1920 x 1080 resolution. I havent found a way to get the driver for this resolution. Is there somekind ...
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0answers
306 views

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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1answer
383 views

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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0answers
36 views

Integrate 64x128 oled display in a 16x2 LCD display system

I have found a tutorial on how to set up a ethereum Miner using raspberry pi (doing it as a project, not for money) and I want to have a display on it. The article uses a 16x2 character display. I ...
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1answer
354 views

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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0answers
191 views

Accessing 3+ SD/MMC /dev/mmcblk devices

I've successfully followed some instructions for access 2 SD cards via SPI on a Raspberry Pi 3: https://ralimtek.com/Raspberry_Pi_Secondary_SD_Card/ How do I configure it to access more than 2 SD ...
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0answers
248 views

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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0answers
67 views

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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1answer
44 views

I just wondering if the peripherals like DMA, PWM and such, are all accessible from user-space

I managed to access GPIO registers according to the datasheet by mmaping the peripherals-base-address provided from "/proc/device-tree/soc/ranges"and made my own user-space library and just wondering ...
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1answer
27 views

SD to USB Adapter: Will the SD card appear as a USB device?

My colleague and I are writing an endurance test for SD cards (running read/write/erase block cycles). We're considering using an Raspberry Pi 3 to run the tests on. The issue is we will be using ...
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0answers
235 views

driver for RTL8812 chip (RPI 3 Model B with Raspbian)

Well, i bought this wifi adapter: https://www.amazon.de/gp/product/B071F8HFRX/ref=ask_ql_qh_dp_hza?tag=psblog-21 The seller also told, that the RTL8812 is buldin. My raspberry pi 3 model b (raspbian) ...
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0answers
140 views

Why can't my Pimoroni HyperPixel display detect multiple fingers correctly?

I recently bought PIMORONI HyperPixel Display (3.5 Capacitive 800x480 display, driven by internal ADC) The driver is written in Python using the EVDEV lib but there are some problem reading multiple ...
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68 views

vainfo returns error. What driver do i need to install?

i am trying to get a usb-camera working on my raspberry pi3 with ubuntu mate. I already have the basic stuff of gstreamer installed. The output of the command vainfo is: blz@blz-desktop:~$ vainfo ...
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0answers
394 views

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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1answer
252 views

Installing Kvaser Drivers(Linuxcan) for RPI

I have been attempting to install Kvaser drivers onto a RPI 2B and have been follwing the instructions listed in the following link: https://www.kvaser.com/developer-blog/building-canlib-linuxcan-...
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0answers
584 views

Using the tl wn722n v2 wifi adapter in monitor mode with raspberry pi 3

I recently bought a tl wn722n wifi adapter v2 (rtl8188eu chipset) to use with my raspberry pi .But, it has absolutely no linux driver support. So, I am trying to install the drivers provided by mfruba ...
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0answers
557 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? ...
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1answer
262 views

Erratic errors in libfreenect on Raspberry Pi 3

I'm running a 3D SLAM application (RTAB-Map) on my Raspberry Pi 3 with Raspbian Jessie. The sensor I'm using is a Kinect v1 (Xbox 360) camera connected to one of the USB ports. I've installed ...
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3answers
3k 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 (...
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0answers
109 views

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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2answers
67 views

Fastest way to copy gpio state to memory?

Following an impressive write-up in MagPi 32,there has been other write-ups for better parallel ADC control from a Raspberry Pi. It appears that the ADC can be driven by Raspberry on-board clock at ...
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1answer
91 views

Using a KS0108 type screen for a portable terminal

I would like to use a KS0108 type for a terminal (it is desirable for its low power use, around 5-7 amps), I cannot seem to find drivers and would like to know where to start on writing my own drivers ...
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0answers
263 views

Unable to install the driver for “AVerTV Volar HD Nano - A867R” (a DVB-T dongle)

I downloaded the driver (for linux) from the AVerMedia site, unpacked it into an xyz directory, and from that directory I gave the command make. I got the following output Missing files that required ...
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1answer
453 views

How to read data from an NI DAQ USB-6259?

I have a sensor for which I'm forced to use a NI DAQ to read data from. And I have a USB-6259 to do so. I don't want to connect the DAQ directly to my laptop because it has messed it up before. I ...
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1answer
649 views

how to set precision of DS18B20 via w1-therm?

According to the documentation for w1-therm: Writing a value between 9 and 12 to the sysfs w1_slave file will change the precision of the sensor for the next readings. This value is in (volatile) ...
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0answers
363 views

drivers for USB/Midi device

I am new to Raspbian. We managed to get Pure Data to run - but now I am trying to get this midi device running - http://www.m-audio.com/products/view/uno Does anyone have any advice for how to ...
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2answers
570 views

Can I use the Adafruit BNO055 library in C++?

I wanted to order the Adafruit 9-DOF Absolute Orientation IMU Fusion Breakout (here). As usual, Adafruit only gives simple Python scripts. I wanted to use this sensor from within my C++ application ...
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1answer
2k views

Can the Pi 3 Be Used as a USB Wifi Adapter?

Problem The reason I must try to use the Pi as a Wi-Fi adapter rather than the one I currently use for Windows 10 (Netgear A6200) is not even close to compatible with GNU/Linux or *BSD. Ubuntu will ...
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2answers
394 views

Communication between Raspberry Pi (RPi) 3 Model B and Copley motor driver (R23-055-10) by using RS232 Connection

I am trying to get communication between RPi3 Model B and Copley motor driver by using RS232 protocol. Copley driver replies only when ascii codes are sent to it. I want to send an ASCII code but I ...