Daniel Peter / Mbed 2 deprecated RtosTest

Dependencies:   mbed

scmRTOS/CortexM3/OS_Target_cpp.cpp@0:331db0b44b67, 2010-09-21 (annotated)

Committer:
mbed714
Date:
Tue Sep 21 19:48:05 2010 +0000
Revision:
0:331db0b44b67

        

        
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//******************************************************************************





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//*





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//*     FULLNAME:  Single-Chip Microcontroller Real-Time Operating System





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//*





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//*     NICKNAME:  scmRTOS





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//*





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//*     PROCESSOR: ARM Cortex-M3 





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//*





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//*     TOOLKIT:   EWARM (IAR Systems)





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//*               





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//*     PURPOSE:   Target Dependent Stuff Source





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//*               





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//*     Version: 3.10





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//*





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//*     $Revision: 195 $





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//*     $Date:: 2008-06-19 #$





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//*





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//*     Copyright (c) 2003-2010, Harry E. Zhurov





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//*





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//*     Permission is hereby granted, free of charge, to any person 





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//*     obtaining  a copy of this software and associated documentation 





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//*     files (the "Software"), to deal in the Software without restriction, 





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//*     including without limitation the rights to use, copy, modify, merge, 





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//*     publish, distribute, sublicense, and/or sell copies of the Software, 





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//*     and to permit persons to whom the Software is furnished to do so, 





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//*     subject to the following conditions:





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//*





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//*     The above copyright notice and this permission notice shall be included 





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//*     in all copies or substantial portions of the Software.





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//*





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//*     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 





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//*     EXPRESS  OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 





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//*     MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 





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//*     IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY 





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//*     CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 





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//*     TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH 





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//*     THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.





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//*





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//*     =================================================================





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//*     See http://scmrtos.sourceforge.net for documentation, latest





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//*     information, license and contact details.





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//*     =================================================================





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//*





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//******************************************************************************





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//*     Ported by Andrey Chuikin, Copyright (c) 2008-2010





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#include <scmRTOS.h>





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using namespace OS;





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//------------------------------------------------------------------------------





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//





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//       OS Process's constructor





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//





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//       Performs:  





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//           * initializing process data;





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//           * registering of the process in kernel;





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//           * preparing stack frame;





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//                  





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//





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TBaseProcess::TBaseProcess(TStackItem* Stack, word stack_size, TPriority pr, void (*exec)())





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    : StackPointer(Stack)





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    , StackSize(stack_size)





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    , Timeout(0)





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    , Priority(pr)





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{





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    Kernel.RegisterProcess(this);





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#ifdef DEBUG_STACK





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//---------------------------------------------------------------





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// Fill stack area with some value to be able later to define stack usage





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for (StackPointer-=(StackSize/sizeof(TStackItem)); StackPointer < Stack; *(StackPointer++) = STACK_FILL_CONST);





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#endif //DEBUG_STACK





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    //---------------------------------------------------------------





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    //





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    //  Prepare Process Stack Frame





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    //





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    *(--StackPointer)  = 0x01000000L;             // xPSR





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    *(--StackPointer)  = reinterpret_cast<dword>(exec); // Entry Point





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    StackPointer -= 14;                           // emulate "push R14,R12,R3,R2,R1,R0,R11-R4"





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    // The code below can be used for debug purpose. In this case comment





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    // line above and uncomment block below.





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/*





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    *(--StackPointer)  = 0xFFFFFFFEL;             // R14 (LR) (init value will cause fault if ever used)





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    *(--StackPointer)  = 0x12121212L;             // R12





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    *(--StackPointer)  = 0x03030303L;             // R3





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    *(--StackPointer)  = 0x02020202L;             // R2





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    *(--StackPointer)  = 0x01010101L;             // R1





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    *(--StackPointer)  = 0x00000000L;             // R0





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                                                  // Remaining registers saved on process stack





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    *(--StackPointer)  = 0x11111111L;             // R11





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    *(--StackPointer)  = 0x10101010L;             // R10





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    *(--StackPointer)  = 0x09090909L;             // R9





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    *(--StackPointer)  = 0x08080808L;             // R8





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    *(--StackPointer)  = 0x07070707L;             // R7





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    *(--StackPointer)  = 0x06060606L;             // R6





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    *(--StackPointer)  = 0x05050505L;             // R5





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    *(--StackPointer)  = 0x04040404L;             // R4





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*/





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}





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//------------------------------------------------------------------------------





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//





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//   Idle Process





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//





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typedef process<prIDLE, scmRTOS_IDLE_PROCESS_STACK_SIZE> TIdleProcess;





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TIdleProcess IdleProcess;





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template<> OS_PROCESS void TIdleProcess::Exec()





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{





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    for(;;)





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    {





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        #if scmRTOS_IDLE_HOOK_ENABLE == 1





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        IdleProcessUserHook();





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        #endif





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    }





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}





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//------------------------------------------------------------------------------





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OS_INTERRUPT void OS::SysTick_Handler()





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{





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    scmRTOS_ISRW_TYPE ISR;





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    Kernel.SystemTimer();





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#if scmRTOS_SYSTIMER_NEST_INTS_ENABLE == 0





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    DISABLE_NESTED_INTERRUPTS();





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#endif





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#if scmRTOS_SYSTIMER_HOOK_ENABLE == 1





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    SystemTimerUserHook();





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#endif





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}





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//------------------------------------------------------------------------------