Skip to content

instructions.md

Latest commit

 

History

History
155 lines (93 loc) · 4.98 KB

instructions.md

File metadata and controls

155 lines (93 loc) · 4.98 KB

Hardware

This is what I used. If you know what you're doing, you can substitute any piece.

  1. rotary phone
  2. raspberry pi
  3. 8G Micro SD card w/ SD adapter
  4. USB Audio Adapter
  5. 4x 10k ohm resistors
  6. 5x motherboard standoffs
  7. 5x motherboard screws
  8. Jumper wires
  9. Wire connectors
  10. 2x micro speakers
  11. Stereo plug
  12. USB MicroB Female Plug
  13. USB MicroB Male Plug
  14. Polycarbonate Sheet

Assembly

Cut the polycarbonate sheet

Drill holes in sheet

Attach Pi to sheet

Attach sheet to phone base

Wiring for phone

Speakers in receiver

USB power connection

Software Installation

Download Arch Linux ARM

Download from archlinuxarm.org

linux$ wget -nc http://archlinuxarm.org/os/ArchLinuxARM-rpi-latest.zip
linux$ wget -nc http://archlinuxarm.org/os/ArchLinuxARM-rpi-latest.zip.md5

Check the integrity of the download

linux$ cat http://archlinuxarm.org/os/ArchLinuxARM-rpi-latest.zip.md5
linux$ md5sum http://archlinuxarm.org/os/ArchLinuxARM-rpi-latest.zip

The two md5sums should agree

Write image to (Micro) SD card

Less terse instructions here

linux# unzip ArchLinuxARM-rpi-latest.zip
linux$ dd bs=1M if=./ArchLinuxARM*.img of=/dev/sdX # replace X with location of SD card

This will take some time

Resize partition on SD card

The image we wrote to the SD card was only 2G. To make use of additional space on the card (if any) we need to resize the partition.

Instructions here

I used gparted on my linux box, and it worked fine.

Put card in Pi and boot

For this step, you'll need to connect the USB port of the Pi to power, and the network cable to a LAN.

You should see some blinking lights on the Pi

Connect to the Pi

linux$ ssh root@alarmpi.local # will prompt for password

Since the Pi is not connected to a monitor, I connect to it remotely with ssh

The default password is "root" I change the password for additional security but if it's never connected to a network it's not clear how big of a deal that it.

Update arch code and install required software

alarmpi# pacman -Syu nodejs rsync parallel mpc mpd espeak alsa-utils git

This will prompt you to continue by pressing "y" or enter. Then it will download and install several updates which will take some time.

Place music in mpd music directory

alarmpi# mkdir -p /var/lib/mpd/music
linux$ rsync -av /path/to/music/* root@alarmpi.local:/var/lib/mpd/music/

I wanted to load the Pi with some MP3s. This also takes a while, so I start it on the linux box while I run the remaining commands (this command requires the rsync software installed above so we can't start it any sooner).

Install the piphone package

alarmpi# npm install -g git://github.com/steven-gardiner/piphone.git

optionally configure asound for USB audio adapter

(based on information from here)

alarmpi# ln ~/node_modules/piphone/asound.conf /etc/asound.conf

I use the USB audio adapter listed above, so I need this.

optionally place sample MP3s for mpd

alarmpi# mkdir -p /var/lib/mpd/music/samples
alarmpi# (cd /var/lib/mpd/music/samples; bash ~/node_modules/piphone/samples.sh)

If you don't have some music in mind, this will download some Creative Commons samples so you can try things out.

Configure mpd

alarmpi# bash ~/node_modules/piphone/config_mpd.sh

You only have to do this once and for all now.

Update mpd playlist

alarmpi# refresh_mpd

You'll need to repeat this command anytime you change the collection of music on the Pi.

configure piphone listeners to run at startup

alarmpi# bash ~/node_modules/piphone/install_crontab.sh

This command makes it so the Pi will listen for input from the phone's devices (hook and dial) whenever it starts up.

shutdown

Before rebooting, you may disconnect the network cable; you should not need it again.

Also, you can connect the jumpers to the GPIO pins.

alarmpi# halt