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Release: updated release notes for 2014.12
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| RIOT-2014.12 - Release Notes | ||
| ============================ | ||
| RIOT is a real-time multi-threading operating system that supports a range of | ||
| devices that are typically found in the Internet of Things: from 8-bit | ||
| microcontrollers to light-weight 32-bit processors. | ||
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| RIOT is based on the following design principles: energy-efficiency, real-time | ||
| capabilities, small memory footprint, modularity, and uniform API access, | ||
| independent of the underlying hardware (this API offers partial POSIX | ||
| compliance). | ||
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| New features | ||
| ============ | ||
| Core | ||
| ---- | ||
| + introduced new thread_yield() and renamed the old implementation to thread_yield_higher() | ||
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||
| Supported platforms | ||
| ------------------- | ||
| Additional support for the following boards: | ||
| + Arduino Mega 2560 (first-time support of an 8-bit platform) | ||
| + HikoB Fox | ||
| + Atmel samr21-Xplained Pro | ||
| + OpenMote | ||
| + cc2538 Developer Kit | ||
| + Spark-Core | ||
| + f4vi1 | ||
| + Airfy-Beacon | ||
| + STMF0Discovery Board | ||
| + STMF3Discovery Board | ||
| + STMF4Discovery Board | ||
| + nrf51822 Development Kit | ||
| + yunjia-nrf51822 | ||
| + MSB-IoT | ||
| + native on ARM platforms | ||
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||
| Drivers | ||
| ------- | ||
| + various peripheral drivers (ADC, UART, timer, SPI, I²C, RTC, RTT, DAC, PWM...) | ||
| + MQ-3 alcohol sensor | ||
| + ISL29020 light sensor | ||
| + LPS331AP pressure sensor | ||
| + LSM303DLHC accelerometer | ||
| + L3G4200D gyroscope | ||
| + servo motor | ||
| + TI HDC 1000 low power humidity and temperature digital sensor | ||
| + SRF02/SRF08 ultrasonic range sensors | ||
| + PIR motion sensor | ||
| + RGB LED | ||
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||
| Network Stack | ||
| --------------- | ||
| + AODVv2 | ||
| + RPL non-storing mode | ||
| + OF manager for RPL | ||
| + Source Routing Header support | ||
| + introduced netapi | ||
| + introduced netdev, a general interface for network device drivers | ||
| + introduced global packet buffer | ||
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||
| System libraries | ||
| ---------------- | ||
| + CBOR | ||
| + UBJSON | ||
| + color module for PWM | ||
|
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||
| Packages | ||
| -------- | ||
| + libfixmath | ||
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||
| Other | ||
| ----- | ||
| + C++ support for most platforms | ||
| + PCAP based wireless sniffer | ||
|
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| Changes | ||
| ======= | ||
| Core | ||
| ---- | ||
| * PIDs begin with 1 | ||
| * mamximum 16 priority levels for every platform | ||
| * fixed sched_switch() | ||
| * simplified mutex signatures | ||
| * minimized size of TCB | ||
| * allow hwtimer to run with more than 1MHz | ||
| * imported ringbuffer from sys | ||
|
|
||
| Supported platforms | ||
| ------------------- | ||
| * improved iot-lab_M3 support | ||
| * major improvements on the mbed LPC1768 | ||
| * improved at86rf231 radio driver | ||
| * fixed hwtimer for MSP430 | ||
| * added support for timer B for MSP430 | ||
| * fixed thread_yield() for MSP430 | ||
| * several fixes for the cc2420 | ||
| * improved interrupt handling on ARM | ||
| * adjusted stack sizes for Cortex platforms | ||
|
|
||
| Network Stack | ||
| --------------- | ||
| * refactored CCN-lite | ||
| * refactored RPL | ||
| * renamed destiny to transport_layer and socket_base | ||
| * several fixes for TCP | ||
| * split UDP and TCP | ||
|
|
||
| System libraries | ||
| ---------------- | ||
| - removed hashtable implementation | ||
|
|
||
| Packages | ||
| -------- | ||
| * updated and simplified OpenWSN | ||
|
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||
| Other | ||
| ----- | ||
| * Improved and cleaned up build system | ||
| * various new helper targets (like debug, distclean, reset, objdump...) | ||
| * use newlib's nano specs if available | ||
| * various new features and added Python 3 compatibility for pyterm | ||
| * major reduction of warnings in doxygen and improved html layout | ||
|
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||
| Fixed Issues from the last release | ||
| ================================== | ||
| #426: Interrupt handling on MSP430 is buggy | ||
| Several fixes by @rousselk | ||
| #1798: core: first thread on runqueue is scheduled twice | ||
| Was fixed along with the thread_yield() refactoring | ||
| #1127: Random build fails on OSX | ||
| native is building stable also on OSX now | ||
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||
| Known Issues | ||
| ============ | ||
| network related issues | ||
| ---------------------- | ||
| #21: Deal with stdin in bordermultiplex.c | ||
| Not all supported platforms provide a stdin in the current release. | ||
| However, the implementation of the 6LoWPAN border router won't work | ||
| without stdin. | ||
| #861: neighbor discovery for 6LoWPAN not working | ||
| Duplicate address detection according to RFC 6775 is also missing. | ||
| #1577: ccn-lite: populate does not work with disabled cache | ||
| If cache is set to zero, the chunks cannot be loaded and therefore also not get populated. | ||
| #1870: IPv6 neighbor advertisements are malformed | ||
| According to Wireshark, ICMPv6 neighbor advertisements are malformed (wrong | ||
| checksum or other reasons). | ||
|
|
||
| native related issues | ||
| --------------------- | ||
| #495: native not float safe | ||
| When the FPU is used when an asynchronous context switch occurs, either the | ||
| stack gets corrupted or a floating point exception occurs. | ||
| #499: native is segfaulting on heavy network usage | ||
| Sending more than 100 packets per second causes a SEGFAULT in RIOT native. | ||
| #534: native debugging on osx fails | ||
| Using valgrind or gdb with a nativenet target in OSX leads to "the network" | ||
| being stuck (gdb) or the whole process being stuck (valgrind). | ||
| #715: test_hwtimer_wait fails on native | ||
| The problem appears to be lost signals and depends on the CPU speed. | ||
| #787: reboot not working with open file descriptors on native | ||
| If for example a tap device is in use, the reboot command fails. | ||
| #862: sometimes the tap bridge does not work in native | ||
| Sometimes (rather suddenly) packages are not received by a TAP and won't be | ||
| received even if I reconfigure the bridge. | ||
|
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||
|
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||
| other platform related issues | ||
| ----------------------------- | ||
| #1232: x86 doesn't build on OS X with clang | ||
| Current version of the x86 port doesn't build for OS X with clang. | ||
| #1442: setting channel is not persistent cc2420 | ||
| After changing the channel via a shell command, the channel reverts back to an arbitrary | ||
| value. However, this might be only a shell problem. | ||
| #1753: vtimer_msg test crashes after ~49'20" | ||
| dependent on the platform, vtimer stops working after some time. | ||
| #1891: printf formatting does not work properly on some Cortex platforms for 64 bit numbers | ||
| This problem happens mostly for the Newlib nano, which does not support 64 bit integer | ||
| printing, but sometimes happens also with other toolchains. | ||
| #1964 and #1955: eventual problems with IoT-LAB M3 nodes in the testbed | ||
| The shell is sometimes not properly working after a reboot and the PDR is sometimes | ||
| worse than expected. | ||
| #2143: tests.core doesn't compile for all platforms | ||
| For some missing GCC compiler builtins, the unittests do not compile for MSP430 | ||
| platforms. | ||
| #2228: samd21 stack sizes are too small | ||
| The application examples/default for example will crash when issuing the txtsnd command | ||
|
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||
| other issues: | ||
| -------------- | ||
| #1449: a removed vtimer might still get called back by hwtimer | ||
| The timer callback might still fire even after vtimer_remove() was called. | ||
| #2175: valgrind registeres "Invalid write of size 4" in unittests for ubjson | ||
| According to valgrind the stack gets corrupted in UBJSON. | ||
|
|
||
| For all issues and open pull requests please check the RIOT issue tracker: | ||
| https://github.com/RIOT-OS/RIOT/issues | ||
|
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||
| Special Thanks | ||
| -------------------- | ||
| We like to give our special thanks to all the companies that provided us with their hardware for porting and testing, namely the people from (in alphabetical order): airfy, Atmel, ELL-i, Intel, IoT-Lab, mbed, Phytec, and Udoo | ||
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| More information | ||
| ================ | ||
| http://www.riot-os.org | ||
|
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| Mailing lists | ||
| ------------- | ||
| * RIOT OS kernel developers list | ||
| * [email protected] (http://lists.riot-os.org/mailman/listinfo/devel) | ||
| * RIOT OS users list | ||
| * [email protected] (http://lists.riot-os.org/mailman/listinfo/users) | ||
| * RIOT commits | ||
| * [email protected] (http://lists.riot-os.org/mailman/listinfo/commits) | ||
| * Github notifications | ||
| * [email protected] (http://lists.riot-os.org/mailman/listinfo/notifications) | ||
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| License | ||
| ======= | ||
| * All sources and binaries that have been developed at Freie Universität Berlin | ||
| and most of the other code are licensed under the GNU Lesser General Public | ||
| License version 2 as published by the Free Software Foundation. | ||
| * Some external sources, especially files developed by SICS are published under | ||
| a separate license. | ||
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| All code files contain licensing information. | ||
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| RIOT-2014.05 - Release Notes | ||
| ============================ | ||
| RIOT is a real-time multi-threading operating system that supports a range of | ||
|
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