All Questions

7
votes
2answers
6k views

File config.txt with multiple lines is not working

I've been trying to get XBMC (Raspbmc to be exact) working om my Raspberry Pi. After hours of work and a lot of stupid mistakes (who knew FAT32 wasn't made for Linux), I made it work. But now I'm ...
8
votes
3answers
3k views

Are there any emulators that run without X on the Raspberry Pi?

Are there any emulators that run on the Pi without X? If not, is there a specifically light-weight window manager that would be good with video game emulator?
8
votes
1answer
2k views

Hard-float and performance

Ever since the official Raspbian image came out, there has been much talking about hard-float - often cited as one of the most prominent Raspbian features, promising "tremendous performance boost". I ...
9
votes
1answer
8k views

Upstart in Debian/Raspbian

I've switched from sysvinit to upstart but get the below message whenever I attempt to start a service: Unable to connect to Upstart: Failed to connect to socket /com/ubuntu/upstart: Connection ...
11
votes
2answers
17k views

How to use a DS18B20 temperature sensor in my Pi?

I have a few DS18B20 temperature sensors. These are normally used in Arduino projects, but I don't see why not to use them with a Pi. There is a software called DigiTemp that seems to drive the device ...
5
votes
1answer
3k views

Are there any benchmarking programs?

Is there a way to benchmark the performance of my Raspberry Pi? I'd be looking at Upload/Download speeds, reads, writes, and general processing stuff.
15
votes
5answers
12k views

Home cloud server with raspberryPI. What caveats I may get?

Originally my question is here. But nevertheless I will copy part of it here. At home I have external USB 3TB HDD. Also at home I have a wifi, but there is no strict computer place. So my first goal ...
52
votes
5answers
85k views

How do I determine the current MHz?

I've been trying to get an accurate reading of my Raspberry Pi's MHz, since I overclocked it in /boot/config.txt My /boot/config.txt is as following: pi@raspbmc:~$ cat /boot/config.txt arm_freq=900 ...
18
votes
2answers
11k views

What is Raspbian?

Being new to Linux, maybe this is a stupid question! I don't quite understand how this distro thing all works, is Raspbian just compiled packages with source code taken from the individual ...
46
votes
3answers
71k views

How to add custom loading screen?

I would like to make Raspberry PI useful for TV purpose or so... Therefore I would like to show to end user loading image before entering the X-Windows and starting customized desktop... So instead ...
5
votes
5answers
7k views

Can I install `libspotify` on Raspbian?

Is it possible to get libspotify working on the official Raspbian image? I installed it but couldn't figure out why my applications couldn't link to it: error while loading shared libraries: ...
44
votes
6answers
23k views

How to measure temperature?

What can I connect to the RPi to measure temperature? I think devices connected to the I²C or SPI would make most sense. Here is a question about DHT-22 and other 1-wire devices. But at this stage it ...
5
votes
1answer
2k views

Cannot update nor install package on Arch, getting “empty reply from server” error

:: Synchronizing package databases... error: failed retrieving file 'core.db' from va.us.mirror.archlinuxarm.org : Empty reply from server error: failed to update core (download library error) extra ...
5
votes
4answers
4k views

What to do about all the wall warts (AC/DC Adaptor bricks)?

While having nice little single-purpose machines is great, I have a proliferation of wall warts now which is becoming untenable. Between a router and an ethernet switch and a HDMI switch and a USB ...
26
votes
1answer
6k views

What happens during the boot process?

What happens during the boot process after the Raspberry PI is turned on? I know that it differs from the standard Linux boot process ( no complex boot manager like Lilo/Grub ), I also know that the ...
10
votes
2answers
24k views

Raspberry Pi won't Boot Just shows Black Screen

I have had my raspberry pi running as a media centre using openelec. It has run fine for a few weeks and suddenly it has just stopped working and will not function. The PWR light shows RED, FDX and ...
12
votes
2answers
18k views

How to make raspbian load the i2c-dev module on boot up

I have installed 2012-07-15-wheezy-raspbian, and the i2c-dev module and i2c_bcm2708 are there and work with i2c-tools. How do I get the i2c-dev module etc. to load at bootup?
5
votes
1answer
29k views

Joystick/Gamepad not working in RetroArch

I've installed RetroArch following these instructions, and I would like to use my gamepad. I'm using a USB connector for my GameCube controller, and I'm running the pocketsnes emulator. The emulator ...
43
votes
3answers
54k views

Boot from external USB stick / drive?

I know it's not possible to directly boot from an external USB stick / drive, but instead you have to boot from the SD card and then the external device can take over. What's the easiest and preferred ...
5
votes
1answer
764 views

How do I compile code?

I would like to compile some code on the Raspberry PI, what is the best way to do this? I'm using Arch Linux, I checked and with the pacman I can only install gcc 4.6. Do I need a cross compiler?
6
votes
1answer
8k views

How to write to files in /var/www (after installing lighttpd)

I've just successfully installed lighttpd, but I've stumbled at the first stage when trying to create my own HTML file. I try to write to /var/www but I get permission denied. I've got a feeling it's ...
61
votes
7answers
96k views

Does Raspbian's repository have a browsable package list?

Raspbian claims to have "35,0000 Raspbian packages", which is great, but I'm only looking for a package or two before I install it. Is there a browsable repository package list that I can search ...
4
votes
1answer
4k views

Sega Genesis/Mega Drive emulation (Gens/Gens-GS)

What is the current status of Sega Genesis/Mega Drive emulation? I'd like to get Gens or Gens-GS running on Raspbian, if possible. How is the performance? Since Genesis/Mega Drive Gens also ...
90
votes
1answer
230k views

How to run Raspbian on VirtualBox?

I have tried Debian on VirtualBox and would like to check out Raspbian. How do I install Raspbian on VirtualBox?
5
votes
2answers
707 views

When will the Model A be released?

It is my understanding that only the Model B version of the Raspberry Pi is currently available. What is the expected release date of the Model A version?
3
votes
1answer
869 views

Can I build C++ on Debian?

I would like to program, build and run C++ software from a single interface. Can I build C++ on Debian? Does there exist an IDE for Debian on the Raspberry Pi, in which I can develop C++?
3
votes
0answers
285 views

Detecting dot11 association packet, etc. [closed]

I actually encountered some problem of detection on Scapy and Python. Okay, I started with creating mon0 by airmon-ng after which my I ran my script: if p.haslayer(Dot11AssoReq): print p....
4
votes
2answers
1k views

Outb in C to access GPIO

I have a basic understanding of the GPIO on the RPi. I want to adapt some of my previous software which interfaced my project board via the Parallel port via direct output to the PP address (0x378) ...
9
votes
2answers
19k views

How to install lighttpd with php?

I've installed lighttpd, and it is working fine. I've tried to install php5 as described here, but when I try the last step sudo service lighttpd force-reload I get: [FAIL] Reloading web server ...
2
votes
0answers
70 views

Does the BUSY flag work for the Clock Control Registers? [closed]

The docs suggest that certain registers shouldn't be messed with if the BUSY flag is set. I've tried disabling the General Purpose clocks, but the busy flag is always set. See page 107 of the BCM2835 ...
9
votes
2answers
5k views

What file system format should I use on flash memory?

This is for a data logger application running under latest Debian/Raspbian. The app will run long term and write about 1M of ASCII per day to a large flash drive (say, 32GB). There will be few reads,...
5
votes
1answer
4k views

How do I setup MPD correctly?

I want to set up MPD on my Raspberry Pi. I am using latest the Debian Wheezy, and I want MPD to run on the network and to listen to any interface. So far I've installed it: sudo apt-get install mpd ...
13
votes
2answers
8k views

What are the different clock sources for the general-purpose clocks?

I'm trying to generate a clean 11.289 MHz clock signal from the general-purpose clock, GPCLK0 on GPIO4. The suggested route is to use the 19.2 MHz crystal as the source, which seems to work ...
5
votes
2answers
8k views

Where is the GPIO header file (“linux/gpio.h”)?

I've been reading about the linux GPIO functions and tried to make a small example using the function gpio_is_valid, but the compile fails because it can't find linux/gpio.h. #include <iostream>...
7
votes
1answer
5k views

How do I bit bang I²C master?

I've installed RPi.GPIO. It doesn't support I²C yet, but can I use it to bit bang I²C? I would just need the Raspberry Pi to be the master.
8
votes
1answer
297 views

What tailored OS distributions exist?

Is there already a specific tailored distribution for the Raspberry Pi? My specific concern is about the lifetime of the SD card hosting the OS image. Other distro addressed that like, for instance, ...
17
votes
4answers
4k views

Is there a Skype replacement voice app?

Has anybody setup Raspberry Pi as cheap desktop PC for their family? I would like to do that but first think I stumbled is Skype. My sister studies abroad so she and my mother talk a lot on Skype, ...
7
votes
1answer
2k views

Can I run hardfp software on a softfp kernel?

How to build a GCC 4.7 toolchain for cross-compiling? explains how to build a cross-compiling GCC and advises choosing softfp, but I understand that hardfp would be much faster. Will software ...
18
votes
7answers
9k views

Can I use Eye-Fi Wi-Fi SD card?

The Eye-Fi is a class 6 SD card with 802.11n Wi-Fi capability built in. This would be a nice way of adding wireless network connectivity to the Raspberry Pi. Is there a way of doing this ?
22
votes
4answers
45k views

Which locale should I select during the Raspbian setup?

I've downloaded the newest Raspbian release and it is a little bit different than the original one. In particular, it gives a whole bunch of options to configure it the first time you boot it up. I'm ...
7
votes
3answers
2k views

What is the nominal GPIO Pin Output current?

What is the RPi GPIO Pin output current? I assume it's more than 10mA since it can drive LEDs without any problem but what is the spec?
13
votes
2answers
9k views

Is the Raspberry Pi compatible with HDMI 1.4 specification with Ethernet?

Wikipedia says the Raspberry Pi supports "HDMI (rev 1.3 & 1.4)" and the HDMI 1.4 specification has Ethernet. Could you have a HDMI 1.4 to Ethernet adapter? and would the transfer rate be faster ...
7
votes
3answers
654 views

Are all of the devices the same?

I just saw a picture of a Pi on the Element 14 website, and noticed some of the components are different colours and shapes to my Pi, (which was from E14). The colour of the RCA plug (Mine is black, ...
22
votes
1answer
2k views

Is there a central resource for project ideas?

Is there a community-accepted space that people are submitting their finished projects (for example, Ben Heck's BBC Micro mod, The SNESDev-RPi, etc.)? How-tos would be nice, but not required. For ...
3
votes
2answers
261 views

How would I write a one-off boot script?

I would like to run a script that would run only on the first boot. For example, Tom could use it to generate unique SSH certs in How can I copy the same image to many SDs?. I was thinking that I ...
8
votes
5answers
14k views

Why does my Raspberry Pi keep on rebooting?

I have a Raspberry Pi running Debian. The boot.rc file in the boot partition is replaced with the boot_enable_ssh.rc so that I can access it with ssh. After that did not work, I connected it to a ...
21
votes
7answers
30k views

Using PCI or PCIe Devices

Is it possible to use some sort of adapter, or even to solder a device to the Raspberry Pi board to support PCI or PCI express devices? I'm thinking smaller devices such as NICs or Sound Cards. I ...
5
votes
2answers
376 views

System time coming through SSH?

I have a setup where my Pi is connected to power and to my router, and I then set up a connection with my laptop through SSH (a good setup for saving space, if you don't have a lot). I fired up my Pi ...
21
votes
11answers
30k views

How can I copy the same image to many SDs?

So finally I can place that bulk order for Raspberry Pis! However, configuring them is going to be a chore. What I'd like to do is: Download a stock image, and tinker with it on a single Pi Save/...
11
votes
2answers
36k views

How can I set the UART speed?

How should you set the baud rate of the UART Bonus question: What baud rates are available on the RPi? Edit: Since reading up from Steve's answer, I have found that there are two UARTs available. ...

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