All releases of The Contiki Operating System

  •  17 Jul 2012 20:35
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    Release Notes: Several improvements to core Contiki networking components, including improved IPv6 RPL routing and Erbuim, a new CoAP implementation. A set of new platforms (cc2530, exp5438, wismote) and several new Cooja simulation platforms (exp5438, wismote, z1). New applications: the Antelope low-power database manager and a new HTTP server for Web services. Sleepy router support has been extended to the STM32w platform. The Instant Contiki development environment has been updated to Ubuntu 12.04, and Eclipse is now installed as the default editor.

    •  09 Sep 2011 07:05
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      Release Notes: New in this release are ContikiRPL (the Contiki implementation of the new IETF RPL IPv6 routing protocol), ContikiMAC (a radio duty cycling mechanism that allows routing nodes to keep the radios off for more than 99% of the time), Contiki Collect (a complete rewrite of Contikiís native data collection protocol), and an implementation of the IETF CoRE CoAP Protocol.

      •  16 Feb 2010 01:04
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        Release Notes: The low-power wireless MAC protocols have received an overhaul, improving power-efficiency and collision and interference handling. The COOJA/MSPsim simulation environment has received a significant speedup. Two new experimental platforms are included: the Crossbow MicaZ and the Sensinode CC2430/8051 platform. Many improvements and bugfixes have been made to the uIP code as well as the SICSlowpan implementaion of 6lowpan IPv6-over-802.15.4.

        •  27 Jun 2009 14:13
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          Release Notes: A new IPv6 routing layer was added. IPv6/6lowpan was added for the Tmote Sky platform. The Cooja TimeLine network visualizer was added. A set of new shell commands was added. Improvements were made to the LPP and X-MAC power-saving radio protocols. A new port was made to the MSB430 platform. A Twitter client was added. Instant Contiki, the Contiki development environment was updated.

          •  24 Mar 2009 22:51
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            Release Notes: New features include checkpointing, which stores the complete execution state of a system in a single file; per-packet power profiling, which allows fine-grained breakdown of power consumption; announcements, which make neighbor and route announcements protocol-independent; and Deluge, a bulk data dissemination protocol. New ports to the Meshnetics ZigBit and Sentilla JCreate modules were released.

            •  17 Nov 2008 22:07
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              Release Notes: uIPv6, the world's smallest IPv6 stack, and SICSlowpan IPv6-over-802.15.4 compression have been added. A port to the Atmel AVR Raven board and an important bugfix to the TCP protosocket code are included.

              •  20 Oct 2008 18:18
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                Release Notes: This release contains uIPv6, the world's smallest IPv6 stack, jointly developed by Cisco, Atmel, and SICS.

                •  06 Sep 2008 22:17
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                  Release Notes: Significant bugfixes and performance improvements were made to the data collection protocol. Data presentation in the Contiki collect program was improved. Power consumption was reduced for the X-MAC radio mechanism. Performance improvements and bugfixes were made to the Coffee flash file system. A workaround was made for a problem with the CC2420 radio.

                  •  14 Jul 2008 13:30
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                    Release Notes: The shell has been much improved and now supports network-level commands, low-power radio networking, sensor data collection, and power profiling. Coffee, a new flash ROM-based file system, was added. contiki-collect, a program for collecting and displaying sensor data from the network, was added. A network time synchronization mechanism was added. The Chameleon architecture, which separates protocol headers from protocol logic, was added. The LPP experimental power-saving MAC protocol was added.

                    •  04 Dec 2007 18:39
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                      Release Notes: A new energy profiling mechanism that enables energy analysis at run-time, low-power radio protocols that extend system lifetime from days to years, and improved low-power radio sensor data collection protocols.

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