 RTX51 Tiny User's Guide | |
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RTX51 Tiny User's Guide
Overview Real-Time Programs Theory of Operation Configuring RTX51 Tiny Using RTX51 Tiny Writing Programs
Include Files Programming Guildelines Defining Tasks Compiling and Linking Command-Line Tools µVision IDE Debugging Examples Function ReferenceProgramming Guildelines
There are a few rules you must follow when creating RTX51 Tiny programs.
- Be sure to include the RTX51TNY.H header file.
- Do not create a main C function. RTX51 Tiny has its own main function.
- Your program must contain at least one task function.
- RTX51 Tiny programs must have interrupts enabled (EA=1). Be careful if you disable interrupts for critical sections. Refer to Interrupts in the Overview for details on how the interrupt system is used by RTX51 Tiny.
- Your program must call at least one RTX51 Tiny library routine (like os_wait). Otherwise, the linker will not include the RTX51 Tiny Library.
- Task 0 is the first function in your program that executes. You must call the os_create_task function from task 0 to run other tasks.
- Task functions must never exit or return. The task must repeat using a while(1) or similar construct. Use the os_delete_task function to halt a running task.
- You must specify RTX51 Tiny in µVision or on the linker command line.
Several technical articles about RTX51 Tiny are available on the Keil Software Knowledgebase.
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