Keil RTX51, Руководство пользователя

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2 Contents
OVERVIEW .......................................................................................................... 7
Introduction ............................................................................................................... 7
Single Task Program.................................................................................................. 8
Round-Robin Program............................................................................................... 8
Round-Robin Scheduling With RTX51 ..................................................................... 8
RTX51 Events ........................................................................................................... 9
Compiling and Linking with RTX51 ....................................................................... 11
REQUIREMENTS AND DEFINITIONS .............................................................. 15
Development Tool Requirements............................................................................................................ 15
Target System Requirements................................................................................................................... 15
Interrupt Handling ................................................................................................... 15
Reentrant Functions ................................................................................................. 16
C51 Library Functions ............................................................................................. 16
Usage of Multiple Data Pointers and Arithmetic Units ........................................... 16
Registerbanks........................................................................................................... 17
Task Definition ....................................................................................................................................... 17
Task Management ................................................................................................................................... 17
Task Switching ........................................................................................................ 18
Events ...................................................................................................................... 18
CREATING RTX51 TINY APPLICATIONS ........................................................ 21
RTX51 Tiny Configuration ..................................................................................................................... 21
Compiling RTX51 Tiny Programs .......................................................................................................... 23
Linking RTX51 Tiny Programs .............................................................................................................. 23
Optimizing RTX51 Tiny Programs ......................................................................................................... 23
RTX51 TINY SYSTEM FUNCTIONS.................................................................. 25
Function Reference ................................................................................................................................. 26
isr_send_signal.................................................................................................................................. 27
os_clear_signal.................................................................................................................................. 28