CallerPi

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Caller-ID for linux using a modem.

// repository documentation

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# CallerPi

This software was developed to help the visually impaired to see who is calling on the landline. A possible setup would be using a Raspberry Pi and an USB modem.

The main part of the program only shows the last 4 callers and if being called the current caller. Everything is setup as big as possible on a fixed 1024x768 resolution with high contrast. The only input used is the scroll-wheel to mark the last called numbers as seen.

# Installation
The program runs on node.js supported by some libraries.

#### Install node.js
    wget http://node-arm.herokuapp.com/node_latest_armhf.deb
    sudo dpkg -i node_latest_armhf.deb

#### Install express
    npm install express

#### Install serialport
    npm install serialport

#### Install nedb
    npm install nedb --save

# Software
- [Node.js](https://nodejs.org/en/)
- [Express](http://expressjs.com/)
- [Node-serialport](https://github.com/voodootikigod/node-serialport)
- [Nedb](https://github.com/louischatriot/nedb)

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#### Useful links for installing on Raspberry Pi

##### Resolution
- http://weblogs.asp.net/bleroy/getting-your-raspberry-pi-to-output-the-right-resolution
- http://www.webtechgadgetry.com/2013/12/make-raspberry-pi-use-full-resolution-monitor/

##### Disable log
- http://linuxonflash.blogspot.nl/2015/02/optimizing-performance-on-raspberry-pi.html

##### Kiosk mode
- https://www.danpurdy.co.uk/web-development/raspberry-pi-kiosk-screen-tutorial/

##### HDMI turnoff with screensaver
- http://simonmcc.blogspot.nl/2013/09/raspberry-pi-turn-off-hdmi-after.html

```
tvservice --explicit="DMT 16"
fbset -depth 8
fbset -depth 16
xrefresh -d :0.0
```

##### Make sure chmod 755 on files
```
# in rc.local
su pi -c '/home/pi/screensaver/check_screen_state.pl < /dev/null &'
```

CallerPi

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