Hydrogen/Core51 is a Keil C51 None-Preemptive OS. CORE written by Pure C (well..almost Pure, has 10 lines inline ASM).
CORE minimal resource
**Size about 2.3~5K ROM, 20+ Byte RAM. it is depends modules your chosen.
**CORE also TAKE TIMER0 to tick for real-timing, and need xdata for HEAP
**dynamic Create/Terminate Thread(TASK)
**Synchronize Object (Event / Semaphore / Critical Section), Thread(TASK) Naturally GIVES UP CPU by WaitFor these Synchronize Object
**Common IO, it is STD C open/read/write in Any Stream Like IO(I2C, UART etc.)
I host this project for OS studying, and Also Used in my work.
SRC can be download from SVN Repository
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