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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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Installing Waveshare SIM7600E-H driver

I bought a Waveshare SIM7600E-H module for my raspberry, following the guide I connected the USB port to my computer and installed the windows drivers after which the hat serial ports were all ...
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Setting up a path for chromedriver with selenium

I'm very new to Raspberry Pi and Python and installed version 98 of the Chrome browser to my Raspberry pi and set up some this code to make an attempt at opening the Chrome browser in full screen mode....
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What's the proper ili9341 driver for raspberry 4b ubuntu 20.04 system?

Newly purchased 2.4 lcd,but my system is not origin raspberry os. As to ubuntu 20.04,what's the proper ili9341 driver for raspberry 4b?
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Camera driver, updated or removed and now isn't working

My camera was working fine, but now it isn't being recognized anymore. I tried to check if it was enabled on the Raspberry Configuration Interface tab, but the camera option isn't showing anymore. On ...
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Kernel configure custom module

I am trying to load a custom/modified module to kernel using this. I modified driver/misc/c2port module source code and add it to .config file(checked also with menuconfig) # # C2PORT # ...
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Trying to learn buildroot on the raspberry pi 2B- Facing issues with the rtl8188eu wifi device

As mentioned in the title, I'm trying to develop my custom OS using buildroot. I've been able to make a successful build for my Raspberry Pi 2B. I'm using the make raspberrypi2_defconfig command to ...
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117 views

TP-link WN725N / RT8188eu wifi dongle on Pi Desktop OS (NOT on Raspberry Pi hardware)

There's lots of great solutions out there (and here on StackOverflow) for this on Pi hardware but I'm trying to make this dongle work on a PC running Pi OS, which totally foxes the various build ...
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How I can configure the pins for the linux's kernel mx35lfxge4ab driver, so I can use the pins offered by rpi?

As I can see linux kernel has a driver for mx35lfxge4ab Flash NAND SPI chip: https://github.com/torvalds/linux/blob/master/drivers/mtd/nand/spi/macronix.c Furthermore, I have a device that also uses ...
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1 answer
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Why did my Raspberry Pi 4 stop playing sound?

Two updates ago, my Pi 4 just stopped playing sound and I tried doing another update/upgrade combo and still nothing. Could this be a corrupted sound driver? How can I fix this? I purchased the Pi 4 ...
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83 views

Dual Display on Raspberry Pi 4

I have Windows 10 IoT Enterprise 2021 on my Raspberry Pi 4 (8 gig Ram). I want to use both the HDMI display ports but just HDMI 0 works, so I followed the instructions in this Youtube video and files ...
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How to Install Canon LBP6000 Printer Driver on QEMU?

Canon Printers and CUPS: ARM drivers availabile? Platform: Raspbian Stretch I tried the link above but couldn't get it to work.In the driver guide it says I need to install some packages. # yum ...
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1 vote
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181 views

Does V4L2 driver support Raw Bayer capture with HQ camera?

I was under impression that current V4L2 driver supports raw capture, but: pi@raspberrypi:~ $ v4l2-ctl --list-formats ioctl: VIDIOC_ENUM_FMT Type: Video Capture [0]: 'YU12' (Planar YUV 4:2:0) ...
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2 votes
1 answer
32 views

Installing Edimax 7611 Wifi Dongle?

I have an Edimax 7611 wifi dongle I'm trying to install. All the instructions I've found seem to require an existing internet connection to download updates and drivers. Is there a way to put the ...
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"android.os.ServiceSpecificException: I/O error (code 5)" when starting an Android Things app on Raspberry Pi 3 connected to TSL2591

I connected my TSL2591: VIN to 3v, GND to GND, SCL to SCL, SDA to SDA. This is the logcat: 08/21 09:24:45: Launching 'app' on Google iot_rpi3. App restart successful without requiring a re-install. $ ...
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simultaneous audio playback is not working

i have raspberrypi4, i flashed webos ose edition in that. i have connected 2 hdmi displays and play using aplay in hdmi1, hdmi2 and lineout(headphones), I am getting error from aplay. #cat /proc/...
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Driver corrupts OS

I've been working on a PI project, I am using Waveshare 7" touchscreen, now I need to download driver to enable touchscreen, I tried downloading it from their website: https://www.waveshare.com/...
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1 vote
1 answer
263 views

Enable ENC28J60 on Raspberry Pi 4 SPI1 CE1

I have a Raspberry Pi model 4B V1.4 running: Linux raspberrypi 5.10.42-v7l+ #1422 SMP Tue Jun 8 13:03:05 BST 2021 armv7l GNU/Linux I want to connect an ENC28J60 spi ethernet adapter on spi1. Using ...
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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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1 answer
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Connecting Multiple Big Stepper Motors to RPi

I am fairly new to using stepper motors and RPis, so have some potentially naive questions. Firstly, I am using two NEMA 34 stepper motors and planning to connect them with DM860T drivers. However, I ...
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3 votes
1 answer
446 views

Is there a package or library for controlling the DS3231 on the Raspberry Pi

I've just obtained a DS3231 real time clock (RTC), and added it to my RPi 3b. It seems to work as far as keeping time, but I wanted more. I'd like to be able to set alarms to trigger the INT/SQW pin ...
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3 votes
0 answers
184 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 ...
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1 vote
1 answer
196 views

How is spidev and the spi-bcm2835 module related?

Removing either one deletes the SPI devices from /dev/ What's the difference between the two modules and how do they relate?
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2 votes
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What is the impact of setting gpu_mem=16 using the vc4 kms driver? (compute module 3+)

If i understood correctly, the kms driver (vc4-kms-v3d) uses a dynamic memory split which can be set via the 'cma' parameter in cmdline.txt This means the less memory i assign to the gpu with 'gpu_mem'...
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1 answer
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Rastertospl failed samsung printer

I have connected my Samsung M2020 Series printer connected to RPI with CUPS. The printer is set up and I installed proper drivers for this printer on the RPI. CUPS recognised it and I selected it. The ...
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Disable CH340 port auto reset on error

I want to use raspberry pi 4 to read some values from Mitsubishi FX1n PLC over programing port(RS232) and I use RS232-USB adapter with CH340 chip. The problem is that I have to send ASCII REQ(05 in ...
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1 vote
1 answer
127 views

Most compatible/supported I2C based touchscreen to emulate?

Without going into boring details, I need to get a touchscreen input into a Raspberry Pi which will be "faked" by a microcontroller - so the micro is reading some input and translating it to ...
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1 answer
191 views

hostapd failing to respond to DHCP discover nl80211: Frame command failed:

I'm trying to set up a AP by using hostapd and I was unable to even after following the tutorial notes step by step: After running hostapd with dnsmasq The AP gets advertised on the air, but ...
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2 votes
1 answer
493 views

How can I write or read from a specific GPIO pin in from a kernel-module?

I'm using a Raspberry Pi 4 with standard 32 bit Raspbian. I'm trying to write a driver in c that writes AT commands to some GPIO pins and reads the response from other pins. For that I want to use the ...
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1 answer
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Twin touchscreens on Pi 3/4

I'm looking at a project where I will need to drive two separate displays from a Pi, both of which are touchscreen - specifically GT911 type on a separate I2C connection. This will almost certainly be ...
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Userspace and Kernel space graphics drivers for the pi 4

I recently bought a raspberry pi 4 to aid in my computer architecture studies. Also, one of my study projects is to build a kiosk application using buildroot (not raspbien). I have taken some time to ...
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1 vote
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447 views

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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0 votes
1 answer
1k views

Disable USB driver on RPi Zero W

I am using a Raspberry Pi Zero W running Raspberry Pi OS (32-bit) Lite (Aug 2020). This is an IoT project where, I have a USB modem that makes my internet connection. When the modem is powered on it ...
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How to install Generic / Text Only printer on Raspberry pi 4 with Windows 10

On windows 10 for Raspberry pi (ARM64), all basic printer drivers are present (microsoft, samsung), but "Generic" section isn't present! I need to install a thermal receipt printer (exactly ...
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3 votes
1 answer
503 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-...
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2 votes
1 answer
896 views

Raspberry Pi 4 hung on boot while powered USB hub is plugged in

I've got a powered USB hub with an ethernet port connected to my Pi. When the Pi boots with it plugged, the boot process hangs until I unplug it. This seemingly includes the clock, as /var/log/syslog ...
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0 votes
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42 views

Screen Software reset on usage of apt repositories

I'm using the waveshare 3.5 inch touchscreen, it's wiki can be found here 3.5wiki. From the moment I use the apt repository it becomes blank at the next reboot. The raspberry stays responsive (tested ...
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-2 votes
1 answer
219 views

How do I connect my 24 pin fpc to dip breakout board to my rpi zero w?

So I am working on a type of headset and I bought the adafruit 1.3 ips with 24 pin fpc connector and st7789 driver and I'm thinking of using a breakout board to do it. What I don't know is the pin out ...
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1 vote
1 answer
176 views

Driver for HelTec E-Ink display

I was given this SPI e-ink / e-paper display from HelTec and am trying to make it work with RPi. Apparently there’s a driver for Arduino but I would very much prefer to connect it directly to RPi and ...
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1 vote
1 answer
60 views

WiFi dongle works on raspberry pi 4 but when i put sd card and wifi dongle with PiZero it does not show up in ifconfig?

I am trying to plug a USB wifi adaptor to raspberry pi zero and I got driver problem so I removed the sd card and usb wifi adaptor and put it on a raspberry pi 4 and installed the drivers and when I ...
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6 votes
2 answers
10k 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 ...
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0 votes
2 answers
288 views

How do I know that a Dual-Band USB WiFi dongle will work on Raspbian or other Linux distrobution?

How do I know if a Dual band USB WiFi dongle will work on a Raspberry Pi running Linux? I know that Linux must have a driver that supports the wifi chipset used in the dongle. But with the number of ...
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Which one is sensor from IIO?

I am looking for list of sensors from the kernel drivers. I am not sure which one is sensor and which one is not. Are all of them sensors? If not then how can I get those I mean is there any API ...
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1 vote
1 answer
61 views

How I can identify and set a needed display module which was missing on boot time?

Summarizing the problem Can't identify a needed display module which is loaded within the initramfs on boot time. Providing details and any research After fixing the problem on the surface using ...
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1 answer
495 views

edt_ft5x06 touchscreen probe failed with code -121

I am trying to get ER-TFTM070_5 display with capacitive touch screen to work. I hae gotten as far as getting the screen it self to work. Now I am facing a challenge to get the touch screen digitiser ...
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1 vote
0 answers
47 views

Problem in initiating i2c driver module for bmp180 i2c based sensor at kernel level

For leaning purpose i am writing a i2c client kernel module for bmp180 pressure sensor. My kernel code is -> #include <linux/version.h> #include <linux/module.h> #include <linux/init....
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2 votes
1 answer
4k views

Raspberry Pi 4 doesn't show a wireless interface - what drivers are required?

I have a raspberry pi 4 running Raspbian Buster. I'll be the first to admit this particular instalation is non-standard. It's been upgraded a version or two and was definitely active on my pi-3 if ...
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2 votes
1 answer
227 views

where can I get the driver of imx219

I'm building kernel(xilinx) and rootfs(debain10) for Avnet96v2 board which has connetted a imx219 via mipi adapter, where can I get newest official driver for the camera, if it is existing. By the ...
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3 votes
3 answers
12k 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 ...
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1 answer
256 views

Who has Docker working (pi 4b)? What OS did you use? [closed]

First off I am running berryboot on the sd of my raspberry pi 4b so I can load/run raspbian desktop OS off a 480gb SSD. I hate not have running out of storage ever (this works fine). Issues: Docker ...
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0 votes
2 answers
966 views

Berryboot, raspbian, docker, SSD, aufs vs overlay2 storage drivers, nnc1: timeout waiting for hardware interrupt, pi 4b

Hi my goal is to step up my pi 4b with berryboot loading the OS onto a SSD where I can start running docker to become better familiar with it. Then use pi-hole and pivpn and whatever else might be ...
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