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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.

90
votes
3answers
216k views

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 ...
63
votes
6answers
110k 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 ...
39
votes
3answers
59k 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 ...
24
votes
1answer
14k 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." ...
22
votes
1answer
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 ...
17
votes
2answers
40k 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 ...
14
votes
3answers
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?
8
votes
5answers
1k 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 ...
8
votes
2answers
3k 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 ...
7
votes
2answers
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 ...
6
votes
3answers
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 ...
6
votes
0answers
956 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 ...
4
votes
1answer
2k 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 ...
4
votes
3answers
4k 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 ...
4
votes
2answers
2k 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 ...
4
votes
1answer
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 ...
3
votes
2answers
415 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 ...
3
votes
3answers
19k 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. ...
3
votes
1answer
159 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?
3
votes
1answer
1k 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 ...
3
votes
1answer
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.
3
votes
3answers
4k 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 ...
3
votes
1answer
52 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....
3
votes
1answer
644 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 ...
2
votes
1answer
1k 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
2
votes
1answer
137 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 ...
2
votes
1answer
400 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 ...
2
votes
2answers
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 ...
2
votes
2answers
921 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?
2
votes
1answer
1k 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 ...
2
votes
1answer
236 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 automation ...
1
vote
2answers
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 ...
1
vote
1answer
9k views

Raspberry Pi Firmware version [duplicate]

How can I determine which version of the Raspberry Pi firmware is installed on my Raspberry Pi?
1
vote
1answer
80 views

With Raspberry Pi is the Linux OS running in the firmware?

With Raspberry Pi is the Linux OS running in the firmware (like an OS on a cell phone) or on top of a firmware (like on a regular PC)?
1
vote
2answers
154 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 ...
1
vote
1answer
190 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 ...
1
vote
2answers
265 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 ...
1
vote
1answer
530 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-...
1
vote
1answer
126 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 ...
1
vote
1answer
230 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
vote
0answers
88 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 ...
1
vote
1answer
468 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 ...
1
vote
0answers
136 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 ...
1
vote
0answers
248 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 ...
1
vote
0answers
442 views

Is it possible to Flash VideoCore ROM?

If I understand VideoCore IV correctly, it contain a bootrom (and perhaps some other information in the ROM). I understand that the bootrom contain a different instruction set than ARM. I would guess ...
1
vote
1answer
2k views

Failed to run camera app. Please check for firmware updates

Trying to get the pi cam working with open cv per http://thinkrpi.wordpress.com/2013/05/22/opencvpi-cam-step-5-basic-use-display-a-picture/. Finally have the program built, but now I get this: pi@...
0
votes
2answers
2k 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 ...
0
votes
2answers
6k views

Rainbow square and influences of disable_splash=1 (or: how to get rid of the colored square)

I am currently working with a small Raspberry Pi Model A setup (and want to stick at this model until I can grab a model Zero). It was modified to be as quiet (aka black) on boot as possible which ...
0
votes
1answer
344 views

Raspbery 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, ...
0
votes
1answer
292 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 ...