Questions tagged [firmware]
Firmware is the code usually stored in flash ROM and contains the instructions for communicating with the other computer hardware.
88
questions
1
vote
0
answers
42
views
PiOS lite bullseye on my pi 4 keeps saying “Firmware rejected country setting”
Whenever I run piOS bullseye on my pi4, it keeps saying “firmware rejected country setting” in sudo dmesg:
I tried using a completely fresh installation of piOS bullseye without any pre configuration ...
- 21
1
vote
0
answers
68
views
RPi Camera V2 not detected with Raspberry Pi4 running Ubuntu 20.05 LTS
I am running into a problem in which I am unable to have my Pi detect my new RPi Camera V2. I am running on Ubuntu 20.04 LTS (focal) since I am working on a robotics project that requires ROS2(foxy).
...
1
vote
0
answers
54
views
Where can I find what driver packages are needed for specific RPi models?
The basic -lite image installs the following (and more) packages:
wpasupplicant wireless-tools firmware-atheros firmware-brcm80211 firmware-libertas firmware-misc-nonfree firmware-realtek
Where can I ...
- 111
1
vote
0
answers
179
views
rpi_firmware_get_throttled: X callbacks suppressed
I have the following entry in my logs:
Oct 08 17:51:02 rpi-dash kernel: rpi_firmware_get_throttled: 9 callbacks suppressed
It is suspiciously surrounded by warnings about power:
Oct 08 17:48:07 rpi-...
- 535
0
votes
0
answers
40
views
Weird load averages, want to downgrade firmware
I have a bunch of raspberry pis
Two of them show a vcgencmd version of (a Pi4, and a Pi3A):
Jul 4 2022 14:41:54
Copyright (c) 2012 Broadcom
version 01db5c05be1b3594c8f040ed7c1ac2748890c2c8 (clean) (...
- 123
-1
votes
1
answer
32
views
Raspberry Pi 3B not booting anymore.How to update firmwire?
I have a RPi 3b in my stack. Suddenly it stopped working correctly and after another OS flash it was dead. Now is there a way to revive it?
- 1,798
1
vote
1
answer
2k
views
Pi Camera 1.3 not detected despite v4l2-ctl listing it
Before you say that I haven't searched the internet, whenever I type "pi camera not detected" I literally don't see a single unclicked result. I am slowly breaking apart.
PI 4 (8gb), V1.3 ...
0
votes
1
answer
1k
views
How to install firmware manually?
I've compiled a kernel for Raspberry Pi 4 (CM4 on IO board) and made a sd card and installed overlays, modules, copied the kernel to fat32 etc.
When i boot, it gives only some messages to the point ...
- 101
-1
votes
1
answer
400
views
Rpi 3B+ "Unsupported board type" Flashing Power Light
I have a Pi 3B+ that wont boot. It's a "new" unit that I received as a gift a few years ago and am just now taking it out of the box and trying to use it.
I've tried several OS images, but ...
- 99
3
votes
1
answer
633
views
Why DVFS is not working on my Raspberry Pi 4 Model B?
According to the documentation https://www.raspberrypi.org/documentation/hardware/raspberrypi/frequency-management.md On Raspberry Pi 4 Model B, firmware from late November 2019 onwards implements ...
- 31
5
votes
0
answers
820
views
raspi ubuntu 20 - apt-get update problem - linux firmware / linux-raspi / linux-image-raspi
Hy
my raspi has this fstab:
UUID=7d298733-8450-4adb-b654-6de49954db5c / btrfs defaults 0 0
UUID=AD5E-0725 /boot/firmware vfat defaults 0 1
Then the ...
1
vote
0
answers
157
views
Update Raspberry Pi Flash with change of SD Card
I know that the firmware on the Raspberry Pi 4 is automatically updated trough the package manager. If I install a new version of rpi-eprom (or is it another package?) trough apt upgrade the boot-...
- 834
0
votes
1
answer
307
views
Error while dist-upgrade: ..../raspberrypi-kernel_1.20210108-1_armhf.deb Hash Sum mismatch
I am upgrading my RPi 3 from Raspbian stretch to buster. I get this error while running sudo apt dist-upgrade:
Err:1 http://archive.raspberrypi.org/debian buster/main armhf raspberrypi-kernel armhf 1....
0
votes
0
answers
809
views
mmal: mmal_vc_component_enable: failed to enable component: ENOSPC
when using NoIR camera:
rapivid -v
camera work but colour of frame varies with the lighting.
when using IR camera:
raspivid -v
resulting:
mmal: mmal_vc_component_enable: failed to enable component: ...
2
votes
2
answers
3k
views
GPIO not working on Raspberry PI 4 4GB
I have a RPi 4 running Raspbian with the Ubuntu Mate desktop environment, whenever I try to use the Wiring Pi library through a C script, to doesn't work at all. On using the gpio readall command I ...
- 31
1
vote
1
answer
275
views
Does Raspberry Pi count as firmware
Say you make a system/gadget with a Pi and a bunch of sensors that the Pi gathers data from. Is the software on the Pi reading the data count as firmware? or the Raspbian OS itself?
- 419
2
votes
1
answer
7k
views
What exact wireless chip does Pi 4 use?
I will receive my Pi 4 soon, so I started breaking down image generation scripts as I like to make image myself (as I install system on computer same way, by hand).
As I want to copy just specific ...
-1
votes
1
answer
802
views
Get raspberry firmware version
I want to know what is my raspberry pi firmware version.
I have read some documentations and i have found 2 ways to get this version number:
/opt/vc/bin/vcgencmd version
and
FIRMWARE_HASH=$(zgrep &...
- 109
1
vote
1
answer
292
views
What's firmware parts are needed and closedsource for RPi 4?
What parts of the Raspberry Pi 4 require closedsource blobs? Does RPi 4 require big gpu blob to boot as previos versions?
In other words, which closedsource stuff does RPi 4 need for proper ...
3
votes
1
answer
425
views
Pi 4 - How to be sure to order a model with usb fixed?
I discovered that some initial lots of the Raspberry Pi 4 may have a sort of hw/sw bug that may be related to USB 3, and maybe also to thermal management and throttling. I would like to understand ...
- 149
0
votes
0
answers
145
views
strange behavior when booting Raspbian OS on 4B 8GB from a microSD card with a non-bootable SSD attached
I have a Raspbian OS microSD card that I use with the Raspberry Pi 8GB model
I upgraded the firmware to the June-15 stable version of the firmware so that I could boot from the SSD. That worked fine.
...
- 185
7
votes
1
answer
5k
views
What is the minimum power required for an RPi 4 in `halt` or `shutdown`?
I want to use a RPi 4 in a remote, unattended, battery-powered application. In this application, the RPi 4 will spend most of its time inactive, awakened only by either a Real Time Clock (RTC), or a ...
- 20.1k
3
votes
2
answers
2k
views
Do I need to upgrade any firmware on a new board to make it work and produce a video signal?
I received my 3rd Pi4 4GB kit from Velros and all I did is move the known working sdcard from my working Pi#2 board into this new one.
However, after it boots I see 4 raspberries in the upper left ...
- 131
0
votes
2
answers
374
views
Does a firmware update remain when changing the OS?
If I do a firmware update via sudo rpi-update on Raspbian Buster on the Pi 4 and then flash another OS (e.g. LibreELEC) to the SD card, will the firmware still be up-to-date?
- 45
2
votes
6
answers
11k
views
WiFi not working after installing openmediavault (OMV) 5 in RPi 4
I installed OMV 5 in my Raspberry Pi 4B running Raspbian GNU/Linux 10 (buster), following this video https://www.youtube.com/watch?v=sYDyvr9Uc6Y (script installation).
Just right after install OMV 5 ...
1
vote
0
answers
191
views
Malfunctioning Raspberry pi 4, red and green led on all the time
My Raspberry Pi 4 won't boot anymore, there is no picture on the monitor, and both LEDS (red, green) are on all the time, they do not blink. I formatted the SD card with SD Card Formatter and ...
- 11
0
votes
1
answer
132
views
What if I flash the ARM processor with some random firmware
As Pi users, we know that our boards are driven by an ARM processor. We can find these processors in tons of devices such as routers, modems, cellphones etc. An ARM developer will use C language and ...
- 31
2
votes
1
answer
416
views
Running SDL 1.2 based code on buster without X
Up to and including Raspbian Stretch, I could use a hacked SDL library called SDL12-kms-dispmanx by a developer called vanfanel to run SDL 1.2 code from the console without X. (See here: https://...
- 23
8
votes
1
answer
16k
views
How to revert from rpi-update to stable build
I have been using a RPi3 for the last year without any issues. I have had rpi-update as part of a regular update process (cron job).
Lately I have been experiencing crashes. I started to investigate, ...
- 182
3
votes
2
answers
1k
views
Raspberry PI boot FAT32 arrangement
I recently thought about tinkering with Raspbian by adding an initramfs. But I have still some unresolved questions about the boot (FAT32) partition.
Does the partition have to be on a specific ...
- 133
1
vote
1
answer
2k
views
vcgencmd is missing in arch linux
I have recently acquired a Raspberry Pi 3B+, and I have installed arch linux on it. So far, so good, but vcgencmd is missing, and I am not able to find a way to get it installed. Can somebody help me?
- 119
1
vote
2
answers
571
views
Can a Raspberry Pi be firmware updated? Inquiring from a security perspective
Can a Raspberry Pi be firmware updated?...I have a feeling from the suggested questions I'm being offered, the answer is yes.
I'm actually asking this from a security perspective, not because I ...
- 11
1
vote
1
answer
716
views
Why is OP-TEE for Raspberry Pi3 insecure?
The OP-TEE on Raspberry Pi 3 webpage says,
This port of ARM Trusted Firmware and OP-TEE to Raspberry Pi3 IS NOT SECURE!
Although the Raspberry Pi3 processor provides ARM TrustZone exception
...
- 111
2
votes
1
answer
1k
views
What are the vcgencmd measure_clock 26 and 50?
There are 2 clock sources that are not officially (?) listed with a string id available to the vcgencmd measure_clock command.
# for i in {0..255}; do vcgencmd measure_clock $i; done | grep -v "=0"
...
- 1,327
1
vote
1
answer
462
views
Raspberry Field Firmware update?
I have a question regards a field firmware update; namely a firmware update from 0.24.0.54xxx to 1.0.0.55xxx. What do I have to consider when doing this?
Which files do I have to update? overlays, ...
- 11
1
vote
1
answer
371
views
What happens if throttling back doesn't help on high temperature? Does Raspberry Pi power off?
I recently asked this question asking if the temperature was handled by hardware or software and someone told me that it was handled by raspberry pi firmware (hardware). Appearently performance is ...
user81004
1
vote
0
answers
179
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 ...
- 121
2
votes
1
answer
1k
views
Decrease the sensitivity on Capacitive Touch breakout?
I have this capacitive touch sensor: https://learn.adafruit.com/adafruit-capacitive-touch-sensor-breakouts/overview
And it is WAY too sensitive for my purpose. I want to have a conductive panel on a ...
- 123
3
votes
1
answer
67
views
DeviceTree magic strings
I recently stumbled over the MagPi Essentials Camera. In chapter 7 "Flash photography using an LED" (p.41+), they show how to configure pin BCM17 to act as a flash for the official Raspberry Pi Camera....
- 2,692
1
vote
0
answers
174
views
HDMI display output rendered useless on 2 different Raspberry Pi 2
Is there a way to corrupt the firmware in the Raspberry Pi ARM?
I cannot understand what has happened to my 2 RPIs and I was never expecting software or the operating system being able to disable the ...
- 11
1
vote
0
answers
370
views
How deep can a virtual machine like VirtualBox emulate Raspberry Pi?
Currently I have the firmware code for a device running on Raspberry Pi. I want to use a linux computer that I have to test the device out using a virtual machine like Virtual Box (To connect it to ...
- 11
0
votes
1
answer
457
views
rpi-update seemed to have stopped spi and one wire
I had two programs, one using DS18b20 sensors and the One-Wire and the other using SPI. On another pi, I had a program using the camera which had an error(still not sure what the error was) fixed by ...
- 13
1
vote
2
answers
2k
views
Can my RPi3 running Raspbian be used to flash DD-WRT on to a compatible router
I have a Netgear router that is compatible to flash DD-WRT. I have read you can use mac windows or linux. I only have a RPi3 no other computers. Will my Rpi3 work for this? I am running the latest ...
- 313
2
votes
1
answer
5k
views
When trying to use a device I get a message "Direct firmware load failed"
This is about firmware that needs to be loaded into particular devices attached (usually via USB) to a Raspberry Pi, not the firmware for the Raspberry Pi itself (the GPU firmware).
When the kernel ...
- 843
3
votes
1
answer
173
views
Raspberry Pi Firmware - user updateable - which bits live on sd and which on the hardware
I'm trying to understand the firmware on the Raspberry Pi.
My understanding was that firmware related only to persistent software not influenced by anything which is on any particular SD card, but it ...
- 31
1
vote
2
answers
560
views
Raspberry firmware on micro sd card; file system format
I am downloading the firmware from here
https://github.com/raspberrypi/firmware
and I would like to know, what are the steps to burn the firmware on the micro SD card? Unfortunately, there is no ...
- 143
0
votes
2
answers
821
views
Check most current RPI-Firmware available from Git Repo?
I'm trying to to retrieve most recent master version from the Hexxeh/rpi-firmware which is used by Ubuntu Mate 16.04.
The rpi-update update script exist on this page but I'm unable to fishout how ...
- 168
2
votes
1
answer
569
views
Bare metal: Why does the CPU automatically read instructions from the SD card?
I'm learning bare metal programming on the RPi. My main experience is from using 8-bit PIC microcontrollers. Reading from SD cards is comparatively high level. How does the CPU achieve this? Does it ...
- 546
0
votes
2
answers
3k
views
Raspberry Pi B+ Overclocking
Good day,
May I ask if it is true that if I activate turbo on the raspi-config, the pi doesn't always run at the maximum speed at 1Ghz.
Is it safe to set force turbo = 1 at the config.txt to force ...
- 340
0
votes
0
answers
13
views
Taskbar flashing white after firmware update (4.4.7v7+) [duplicate]
I'm running an RPi 2 B and just updated my firmware (to 4.4.7v7+ #877), and now the taskbar (or what should be the taskbar), is just a flashing white rectangle. I've tried rebooting a few times with ...
- 109