Posts Tagged ‘Blackfin’

DEDF’2009 - afterword

Thursday, November 26th, 2009

Well, Digital electronics developers forum (DEDF’2009) is over.

Here is a short afterword:

For the first time such event for digital electronics developers was held in Minsk, Belarus. DEDF’2009 was devoted to Analog Devices products especially Blackfin processors. There were around 110 attendees and 15 presentations. Here is a brief translation to english for the most interesting presentation topics:

— Section 1: Blackfin and uCLinux applications —

1) Streaming audio player based on Blackfin processor

2) Building surveilance systems using Blackfin processor

3) JPEG2000 videorecorder development using ADV212

4) Open Hardware projects

5) Using Eclipse IDE for Blackfin and uCLinux development

6) Profiling and Blackfin software optimization under uCLinux

— Section 2: Signal Processing —

7) Laser 3D scanning system

8) Audio codec applications for compressed data transfers on low-speed channels

9) Development of acoustic noise analyzers using Blackfin processors

10) Digital data transmission over high-voltage power lines

11) Delta-Sigma encoding method

12) Signal processing in vibration control systems

Full contents of presentations and related material can be found on official DEDF site

Modern open-source telephony platform based on Asterisk

Thursday, May 14th, 2009

The seminar was presented by E. Sobol, Linux application engineer. It covers Asterisk and related Blackfin hardware topic.

Modern open-source telephony platform based on Asterisk (Blackfin Asterisk, SIP, GSM, Dialplan)

  1. What is an open-source telephony
  2. Asterisk’s history
  3. Asterisk is today and future of open-source telephony
  4. VoIP (Voice over IP)
  5. SIP (Session Initiation Protocol)
  6. RTP (Real-time protocol)
  7. Zaptel (Zapata Linux Telephony driver), FXO/FXS
  8. Asterisk modules and configs
  9. Dialplans, Asterisk contexts, Asterisk built-in extensions
  10. Advantages of Asterisk, comparison to other telephony projects
  11. Practical example: Asterisk running on IP04 hardware based on Blackfin processor
  12. IP04 technical specifications
  13. IP04 hardware architecture
  14. Compiling Asterisk from source for Blackfin platform
  15. Programming device, running Linux kernel and root filesystem
  16. Some practical demos - call from land-line phone to SIP phone, call between GSM and SIP, SIP to SIP calls, voicemail demo, menu demo, conference call demo