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< div id = "projectname" > CMSIS-RTOS
  < span id = "projectnumber" > Version 1.03< / span >
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< div id = "projectbrief" > Real-Time Operating System: API and RTX Reference Implementation.< / div >
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< div class = "title" > Technical Data < / div > < / div >
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< div class = "textblock" > < p > This section lists the technical data of CMSIS-RTOS RTX.< / p >
< table class = "cmtable" >
< tr >
< th > Description < / th > < th > < p class = "starttd" > Limitations < / p >
< p class = "endtd" > < / p >
< / th > < / tr >
< tr >
< td > Defined Tasks < / td > < td > < p class = "starttd" > Unlimited < / p >
< p class = "endtd" > < / p >
< / td > < / tr >
< tr >
< td > Active Threads < / td > < td > < p class = "starttd" > 250 max < / p >
< p class = "endtd" > < / p >
< / td > < / tr >
< tr >
< td > Mailboxes < / td > < td > < p class = "starttd" > Unlimited < / p >
< p class = "endtd" > < / p >
< / td > < / tr >
< tr >
< td > Semaphores < / td > < td > < p class = "starttd" > Unlimited < / p >
< p class = "endtd" > < / p >
< / td > < / tr >
< tr >
< td > Mutexes < / td > < td > < p class = "starttd" > Unlimited < / p >
< p class = "endtd" > < / p >
< / td > < / tr >
< tr >
< td > Signals < / td > < td > < p class = "starttd" > 16 per thread < / p >
< p class = "endtd" > < / p >
< / td > < / tr >
< tr >
< td > Timer Callbacks < / td > < td > < p class = "starttd" > Unlimited < / p >
< p class = "endtd" > < / p >
< / td > < / tr >
< tr >
< td > Code Space < / td > < td > < p class = "starttd" > < 5.0 Kbytes < / p >
< p class = "endtd" > < / p >
< / td > < / tr >
< tr >
< td > RAM Space for Kernel < / td > < td > < p class = "starttd" > 300 bytes + 128 bytes Main Stack < / p >
< p class = "endtd" > < / p >
< / td > < / tr >
< tr >
< td > RAM Space for a Thread < / td > < td > < p class = "starttd" > StackSize + 52 bytes < / p >
< p class = "endtd" > < / p >
< / td > < / tr >
< tr >
< td > RAM Space for a Mailbox < / td > < td > < p class = "starttd" > MaxMessages * 4 + 16 bytes < / p >
< p class = "endtd" > < / p >
< / td > < / tr >
< tr >
< td > RAM Space for a Semaphore < / td > < td > < p class = "starttd" > 8 bytes < / p >
< p class = "endtd" > < / p >
< / td > < / tr >
< tr >
< td > RAM Space for a Mutex < / td > < td > < p class = "starttd" > 12 bytes < / p >
< p class = "endtd" > < / p >
< / td > < / tr >
< tr >
< td > RAM Space for a User Timer < / td > < td > < p class = "starttd" > 24 bytes < / p >
< p class = "endtd" > < / p >
< / td > < / tr >
< tr >
< td > Hardware Requirements < / td > < td > < p class = "starttd" > SysTick timer or other hardware timer < / p >
< p class = "endtd" > < / p >
< / td > < / tr >
< tr >
< td > Thread context switch time < / td > < td > < p class = "starttd" > < 2.6 usec @ 72 MHz < / p >
< p class = "endtd" > < / p >
< / td > < / tr >
< tr >
< td > Interrupt lockout time < / td > < td > Not disabled < / td > < / tr >
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< dl class = "section note" > < dt > Note< / dt > < dd > < ul >
< li > Unlimited means that the RTX kernel does not impose any limitations on the number. However, the available system memory resources limit the number of items you can create.< / li >
< li > RAM requirements depend on the number of concurrently running threads.< / li >
< li > The code and RAM size is calculated for ARMCC Compiler when using the < b > MicroLib< / b > runtime library.< / li >
< / ul >
< / dd > < / dl >
< h1 > < a class = "anchor" id = "osWait" > < / a >
osWait< / h1 >
< p > The generic wait function < b > osWait< / b > is currently not supported by CMSIS-RTOS RTX. < / p >
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< li class = "navelem" > < a class = "el" href = "index.html" > index< / a > < / li > < li class = "navelem" > < a class = "el" href = "rtxImplementation.html" > RTX Implementation< / a > < / li >
< li class = "footer" > Generated on Wed Aug 1 2018 17:12:43 for CMSIS-RTOS by Arm Ltd. All rights reserved.
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