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NMS Ceefax

 2 years ago
source link: https://www.nathanmediaservices.co.uk/teletext-viewer/
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Viewer courtesy of Alistair Cree

Read about this service & my other teletext nonsense

Using Ceefax on a real TV

If you have a Raspberry Pi and a Teletext TV, you can use Ceefax as it was intended: on a real tv with a remote.

You need the latest version of Raspbian installed on your Raspberry Pi. Connect your Pi to a TV with a composite video cable. Open a terminal window in desktop, or just log into the Pi via SSH. Then, run the following command to install VBIT2:

source <(wget -O - https://raw.githubusercontent.com/peterkvt80/vbit2/master/getvbit2)

This will update Raspbian and install everything you need to run a teletext service. It will finish by opening a setup program.

Use the arrow keys to enter "Install Services" then "Ceefax". You'll see all the national pages downloading to your Pi.
When it finishes, enter "Install Services" and find "Ceefax (your TV region)".

If your region isn't available yet, or you aren't in the UK, select "Ceefax (Worldwide)". Don't skip this step or you'll not get an index page.

Finally, if you want your system to update Ceefax and run teletext on boot-up automatically, enable those options in the "Options" menu by pressing the space bar.

If your Pi isn't outputing a PAL video signal, you'll need to enable that setting in /boot/config.txt and reboot.

When that's all done, select "Start VBIT2". Everything on your screen will shift up a bit. Now press the text button on your TV or plug the Pi into a decoder to enjoy some Ceefax!

Manual Installation

Recommended only for experienced users

Ceefax is offered in a Subversion repository. This is divided into a national feed, which is pulled by all clients, and a selection of regional feeds, of which you can select one to get that region's news and weather.

The national feed is available here

Regional feeds have no spaces in their names, but retain capitalisation, i.e. "Yorks & Lincs" becomes "Yorks&Lincs".

Regional feeds are at
https://internal.nathanmediaservices.co.uk/svn/ceefax/YourRegion
See below for available regions.

The full repo is available at
https://internal.nathanmediaservices.co.uk/svn/ceefax

For VBIT2, I recommend creating a 'region' folder inside a 'ceefax' folder. Then checkout the national feed to 'ceefax' and your chosen region to 'region'. VBIT2 automatically parses files in nested folders for this purpose.

Ceefax is normally automatically updated every 30 minutes, but you need only poll for updates as often as you want them. I generally set my systems to check for updates efery 15 minutes.

Available Regions

  • Wales
  • London
  • Scotland
  • Northern Ireland
  • East Midlands
  • South
  • South West
  • Yorks & Lincs

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