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Questions tagged [firmware]

Firmware is the code usually stored in flash ROM and contains the instructions for communicating with the other computer hardware.

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How do I update software and firmware?

I understand that the software on the Raspberry Pi is divided into three sections: the closed-source GPU firmware, the patched ARM Linux kernel and the user space software. Is the GPU firmware on the ...
Alex L's user avatar
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74 votes
7 answers
147k views

Do I still need rpi-update if I am using the latest version of Raspbian?

I have a 512MB Pi. I am trying to make sure I am getting the most out of it. I just downloaded the latest version of Raspbian and installed it on the Pi. Do I also need rpi-update? Is rpi-update ...
Scoop's user avatar
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44 votes
3 answers
64k views

Why does the Raspberry Pi need a MPEG-2 licence?

Since August 24 2012, it is possible to buy a licence to hardware-decode MPEG-2 videos. Here are my questions: Does it mean that, without this licence, the RPi cannot handle at all MPEG-2 video, or ...
Morgan Courbet's user avatar
32 votes
3 answers
37k views

How can I determine the current firmware version number?

Is there a way to find the current firmware version number? Either the running version or the version currently installed in /boot? uname -a shows only the kernel version, not the GPU "binary blob." ...
finnw's user avatar
  • 5,790
23 votes
1 answer
4k views

Raspberry Pi Zero usable with fully free software?

In the Free Software Foundation's May 2013 review of single board computers, the Raspberry Pi was found to have fatal flaws for use in a free (libre) software environment: The Raspberry Pi requires ...
user avatar
18 votes
2 answers
41k views

How do I upgrade Raspbian?

I have my Raspberry Pi setup how I want, but I have an older version than what is currently available (2012-10-28-wheezy-raspbian.zip). How do I upgrade the kernel, firmware, etc.? I have upgraded ...
kevin's user avatar
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15 votes
3 answers
26k views

Do I still need to purchase the MPEG-2 and VC-1 license keys for the Raspberry Pi 2?

Do I still need to purchase the MPEG-2 and VC-1 license keys for the Raspberry Pi 2? If so, will the same MPEG-2 and VC-1 licenses available in the Raspberry Pi store work with the Raspberry Pi 2?
Kev's user avatar
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9 votes
1 answer
8k 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 ...
Seamus's user avatar
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8 votes
5 answers
2k views

Can I safely remove non-free software on a Raspberry Pi 2 running Raspbian?

I am the lucky owner of a Raspberry Pi 2 on which I installed Raspbian: $ cat /proc/version Linux version 3.18.11-v7+ (dc4@dc4-XPS13-9333) (gcc version 4.8.3 20140303 (prerelease) (crosstool-NG linaro-...
astorije's user avatar
  • 183
8 votes
1 answer
21k 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, ...
user643011's user avatar
8 votes
2 answers
6k views

Custom firmware on Raspberry Pi?

Is there a way to use the Raspberry Pi like an Arduino? That is, without an operating system? Just connect it to the USB of your computer and download code onto it, and the next time the Raspberry Pi ...
deepak's user avatar
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8 votes
2 answers
2k views

Raspberry Pi 3 usable with fully free software?

In the Free Software Foundation's May 2013 review of single board computers, the Raspberry Pi was found to have fatal flaws for use in a free (libre) software environment: The Raspberry Pi requires ...
user avatar
6 votes
1 answer
4k views

Are the BIOS and firmware located on the SD card?

Reading this answer I get the impression both the Raspberry Pi BIOS and firmware are located on the SD card. Is that correct? What is exactly located on the SD card? There's nothing stored on the Pi ...
That Brazilian Guy's user avatar
6 votes
3 answers
1k views

Does the firmware update corrupt the filesystem?

I regularly make ISO images of my SD cards (for many reasons), and I have noticed that whenever I issue the rpi-update command, I can no longer make these images, instead getting this error: sudo dd ...
puk's user avatar
  • 685
6 votes
0 answers
1k 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 ...
Domagoj Ulamec's user avatar
6 votes
0 answers
1k views

Arch Linux kernel panics and firmware not working [closed]

Before the update I had linux-raspberrypi-3.1.9-33-arm and raspberrypi-firmware-20120418-2 installed. After I upgraded to raspberrypi-firmware-20120729-1, the kernel refused to boot (no kernel panics ...
ArchHaskeller's user avatar
5 votes
3 answers
28k views

How can I zoom out the HDMI output in order to fit in areas of the screen that are being clipped?

At present every time I load up my RasPi via HDMI the edges of the screen are clipped, making it difficult to see what is being typed at the bottom of the screen and to read output on the left side. ...
Nathan Dunn's user avatar
5 votes
3 answers
6k views

Is it possible to flash the Pi's firmware live?

I already have few Raspberry Pi devices running Raspbian + my custom scripts. These device is internet connected and mounted at area which is hard to access, (e.g on top of a building) Over the ...
Dennis's user avatar
  • 383
5 votes
2 answers
1k views

What firmware version will rpi-update install?

How can I determine what version of the firmware will be installed by running rpi-update, without making any modifications to the installation?
Alistair Buxton's user avatar
5 votes
1 answer
2k views

Raspberry Pi hangs after boot

I have two Raspberry Pi's. One will boot up into Raspbian just fine. If I take the same SD card, network connection, keyboard and mouse and use it with the other Raspberry Pi, it boots and then hangs ...
zio's user avatar
  • 173
4 votes
7 answers
15k 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 ...
ILA's user avatar
  • 63
4 votes
2 answers
3k views

Raspberry pi B+ first boot

I got Raspberry pi B+ and I tried to boot by using NOOBS v1.3.10 and RASPBIAN Debian Wheezy Version:September 2014. Then I got two different problems. These are my component information, Raspberry ...
iNdra's user avatar
  • 189
4 votes
1 answer
186 views

What Distro Are The Stock Images Built For?

When I take a look at the firmware github repo, I can download kernel images. But to what distro do they belong to or are compatible with?
bot47's user avatar
  • 154
4 votes
1 answer
1k views

What firmware parts non opensource (yet)?

What parts of the RaspberryPi (A,B,B+) are not open-source (yet)? I mean any part of the device which requires some kind of software to run.
user3200534's user avatar
4 votes
1 answer
1k views

How do I find the firmware repository commit which matches the firmware version reported by vcgencmd?

For example, vcgencmd version might report: Feb 14 2015 22:20:17 Copyright (c) 2012 Broadcom version 7789db485409720b0e523a3d6b86b12ed56fd152 (clean) (release) How do I determine which ...
Alistair Buxton's user avatar
3 votes
2 answers
497 views

Should I expect an error message if booting without SD card?

This question is just a sanity check. I couldn't find this information anywhere else. If I turn on the pi without an SD card attached, does the firmware print any error messages to the screen (via ...
Nacht's user avatar
  • 133
3 votes
1 answer
2k views

What is the difference between firmware update and apt-get update?

What is the difference between rpi-update (firmware) and apt-get update and apt-get upgrade? /Cheers
Christian's user avatar
  • 1,230
3 votes
1 answer
515 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 ...
realtebo's user avatar
  • 149
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 ...
Meryan's user avatar
  • 131
3 votes
1 answer
10k 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 ...
Daniil Shchadny's user avatar
3 votes
2 answers
2k 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 ...
Enginecrafter77's user avatar
3 votes
1 answer
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 ...
jotik's user avatar
  • 133
3 votes
3 answers
6k views

What does rpi-update do?

I am thinking about upgrading the firmware on the Raspbery Pi 512 using rpi-update. However, I can't figure out what updating the firmware does. Does it make the Pi more stable? Or faster? I can't ...
Scoop's user avatar
  • 2,679
3 votes
1 answer
178 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 ...
nick soph's user avatar
3 votes
2 answers
2k views

Improper shutdown, now 3 flashes on boot

I had to do a hard power off on my Pi, as it had crashed. Now, when I turn it on, I get 3 flashes of the OK LED, which means either loader.bin or start.elf is not found. I have plugged the SD card ...
colincameron's user avatar
3 votes
1 answer
921 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 ...
saroj panda's user avatar
3 votes
1 answer
69 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....
kwasmich's user avatar
  • 2,702
3 votes
1 answer
260 views

Garden Automation

I am about to change my garden automation project and was wondering if anyone had experience using this rayshobby.net - OpenSprinkler? Or does anyone have other good approaches for an garden ...
seb's user avatar
  • 133
2 votes
1 answer
9k views

What could be causing "over-current change" all the sudden?

This is a Raspberry Pi 2 using a 5V 2 Amp power supply running with a LaCie 2TB USB external drive connected via the USB port. It gets its power from the USB port for the drive. The above has been ...
Edward_178118's user avatar
2 votes
1 answer
581 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 ...
Jodes's user avatar
  • 562
2 votes
1 answer
7k 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 ...
cjs's user avatar
  • 823
2 votes
2 answers
4k 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 ...
pyramiskyma's user avatar
2 votes
1 answer
534 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://...
TeaRex's user avatar
  • 23
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" ...
not2qubit's user avatar
  • 1,407
2 votes
1 answer
796 views

Error at firmware update

I got this error when run this firmware update command. Before this update was succesfully completed by this command: sudo apt-get update && sudo apt-get upgrade pi@Raspi-2 ~ $ sudo rpi-...
Enes Genc's user avatar
2 votes
0 answers
558 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). ...
boogie_muffins's user avatar
2 votes
0 answers
263 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 ...
user2715315's user avatar
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 ...
Caroline Hermans's user avatar
1 vote
1 answer
324 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?
Lightsout's user avatar
  • 429
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 ...
Pismurf's user avatar
  • 313