Important changes to repositories hosted on mbed.com
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POSIX embedded realtime operating system.
Repository: https://github.com/lepton-distribution/lepton or http://code.google.com/p/lepton/
Unix "philosophy". Everything is file. Everything is a stream of bytes. POSIX 1003.1 api (open(), read(), write(), close(), ioctl(), select() …) and realtime extension. Mixed PSE53/PSE52 profile (see POSIX 1003.13) Realtime scheduler: Realtime kernel abstraction layer support eCos 3.0, embOS and FreeRTOS 8. deeply embedded platform (ARM7/ARM9, cortex M4/M3/M0/M0+, Linux/win32 simulation). device driver interface. vfs virtual file system (support fat, yaffs and other specific file system). streams like system. IP stack: LWiP, uIP from Contiki. You can request help and ask questions on lepton-discuss@googlegroups.com.
You can ask your questions at #lepton on chat.freenode.net.
Lepton is currently maintained and developed by o10ée. o10ée is an engineering company in embedded system http://o10ee.com.