BIOS v6.33 Real-time Operating System User's Guide (Rev. K)(7)

threads (tasks, software interrupts, and hardware interrupts). For example, memory allocation APIs such as Memory_alloc() and Memory_calloc() cannot be called from within the context of a software interrupt. Thus, if a particular class is instantiated by a software interrupt, its constructor must avoid performing memory allocation.

Similarly, it is important to keep in mind the time at which a class destructor is expected to run. Not only does a class destructor execute when an object is explicitly deleted, but also when a local object goes out of scope. You need to be aware of what type of thread is executing when the class destructor is called and make only those SYS/BIOS API calls that are appropriate for that thread. For further information on function callability, see the CDOC online documentation./*

* ======== clockPrd ========

* Wrapper function for PRD objects calling

* Clock::tick()

*/

void clockPrd(Clock clock)

{

clock.tick();

return;

}

SPRUEX3K—December 2011About SYS/BIOS 21Submit Documentation Feedback 9f752a73f46527d3240ce0a5

For More Information

1.6For More Information

You can read the following additional documents to learn more about SYS/BIOS, XDCtools, and Code Composer Studio:

?SYS/BIOS

—SYS/BIOS Release Notes . Located in the top-level SYS/BIOS installation directory, or choose

Help > Help Contents in CCSv5.1 and expand the SYS/BIOS item.

—SYS/BIOS Getting Started Guide . In /docs/Bios_Getting_Started_Guide.pdf

—SYS/BIOS API Reference (also called "CDOC"). Run /docs/cdoc/index, or

choose Help > Help Contents in CCSv5.1 and expand the SYS/BIOS item. See Section 1.6.1.

—Migrating a DSP/BIOS 5 Application to SYS/BIOS 6 (SPRAAS7). In /docs/

Bios_Legacy_App_Note.pdf, or choose Help > Help Contents in CCSv5.1 and expand the

SYS/BIOS item. Also available on the Texas Instruments website .

—SYS/BIOS main page on TI Embedded Processors Wiki contains links to many SYS/BIOS

resources.

—BIOS forum on TI’s E2E Community lets you submit your questions.

—SYS/BIOS 6.x Product Folder on 9f752a73f46527d3240ce0a5

—Embedded Software Download Page

?XDCtools

—XDCtools API Reference (also called "CDOC"). Run /docs/xdctools.chm, or

choose Help > Help Contents in CCSv5.1 and expand the XDCtools item. See Section 1.6.1.

—RTSC-Pedia Wiki

—BIOS forum on TI’s E2E Community

—Embedded Software Download Page

?Code Composer Studio (CCS)

—CCS online help. Choose Help > Help Contents in CCSv5.1.

—CCSv5 on TI Embedded Processors Wiki

—Code Composer forum on TI’s E2E Community

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