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scmRTOS/CortexM3/OS_Target_cpp.cpp@0:96cf274f19bc, 2011-05-23 (annotated)

Committer:: etudiant12
Date:: Mon May 23 05:40:11 2011 +0000
Revision:: 0:96cf274f19bc

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User	Revision	Line number	New contents of line
etudiant12	0:96cf274f19bc	1	//******************************************************************************
etudiant12	0:96cf274f19bc	2	//*
etudiant12	0:96cf274f19bc	3	//* FULLNAME: Single-Chip Microcontroller Real-Time Operating System
etudiant12	0:96cf274f19bc	4	//*
etudiant12	0:96cf274f19bc	5	//* NICKNAME: scmRTOS
etudiant12	0:96cf274f19bc	6	//*
etudiant12	0:96cf274f19bc	7	//* PROCESSOR: ARM Cortex-M3
etudiant12	0:96cf274f19bc	8	//*
etudiant12	0:96cf274f19bc	9	//* TOOLKIT: EWARM (IAR Systems)
etudiant12	0:96cf274f19bc	10	//*
etudiant12	0:96cf274f19bc	11	//* PURPOSE: Target Dependent Stuff Source
etudiant12	0:96cf274f19bc	12	//*
etudiant12	0:96cf274f19bc	13	//* Version: 3.10
etudiant12	0:96cf274f19bc	14	//*
etudiant12	0:96cf274f19bc	15	//* $Revision: 195 $
etudiant12	0:96cf274f19bc	16	//* $Date:: 2008-06-19 #$
etudiant12	0:96cf274f19bc	17	//*
etudiant12	0:96cf274f19bc	18	//* Copyright (c) 2003-2010, Harry E. Zhurov
etudiant12	0:96cf274f19bc	19	//*
etudiant12	0:96cf274f19bc	20	//* Permission is hereby granted, free of charge, to any person
etudiant12	0:96cf274f19bc	21	//* obtaining a copy of this software and associated documentation
etudiant12	0:96cf274f19bc	22	//* files (the "Software"), to deal in the Software without restriction,
etudiant12	0:96cf274f19bc	23	//* including without limitation the rights to use, copy, modify, merge,
etudiant12	0:96cf274f19bc	24	//* publish, distribute, sublicense, and/or sell copies of the Software,
etudiant12	0:96cf274f19bc	25	//* and to permit persons to whom the Software is furnished to do so,
etudiant12	0:96cf274f19bc	26	//* subject to the following conditions:
etudiant12	0:96cf274f19bc	27	//*
etudiant12	0:96cf274f19bc	28	//* The above copyright notice and this permission notice shall be included
etudiant12	0:96cf274f19bc	29	//* in all copies or substantial portions of the Software.
etudiant12	0:96cf274f19bc	30	//*
etudiant12	0:96cf274f19bc	31	//* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
etudiant12	0:96cf274f19bc	32	//* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
etudiant12	0:96cf274f19bc	33	//* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
etudiant12	0:96cf274f19bc	34	//* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
etudiant12	0:96cf274f19bc	35	//* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
etudiant12	0:96cf274f19bc	36	//* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH
etudiant12	0:96cf274f19bc	37	//* THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
etudiant12	0:96cf274f19bc	38	//*
etudiant12	0:96cf274f19bc	39	//* =================================================================
etudiant12	0:96cf274f19bc	40	//* See http://scmrtos.sourceforge.net for documentation, latest
etudiant12	0:96cf274f19bc	41	//* information, license and contact details.
etudiant12	0:96cf274f19bc	42	//* =================================================================
etudiant12	0:96cf274f19bc	43	//*
etudiant12	0:96cf274f19bc	44	//******************************************************************************
etudiant12	0:96cf274f19bc	45	//* Ported by Andrey Chuikin, Copyright (c) 2008-2010
etudiant12	0:96cf274f19bc	46
etudiant12	0:96cf274f19bc	47
etudiant12	0:96cf274f19bc	48	#include <scmRTOS.h>
etudiant12	0:96cf274f19bc	49
etudiant12	0:96cf274f19bc	50	using namespace OS;
etudiant12	0:96cf274f19bc	51
etudiant12	0:96cf274f19bc	52	//------------------------------------------------------------------------------
etudiant12	0:96cf274f19bc	53	//
etudiant12	0:96cf274f19bc	54	// OS Process's constructor
etudiant12	0:96cf274f19bc	55	//
etudiant12	0:96cf274f19bc	56	// Performs:
etudiant12	0:96cf274f19bc	57	// * initializing process data;
etudiant12	0:96cf274f19bc	58	// * registering of the process in kernel;
etudiant12	0:96cf274f19bc	59	// * preparing stack frame;
etudiant12	0:96cf274f19bc	60	//
etudiant12	0:96cf274f19bc	61	//
etudiant12	0:96cf274f19bc	62	TBaseProcess::TBaseProcess(TStackItem* Stack, TPriority pr, void (*exec)())
etudiant12	0:96cf274f19bc	63	: StackPointer(Stack)
etudiant12	0:96cf274f19bc	64	, Timeout(0)
etudiant12	0:96cf274f19bc	65	, Priority(pr)
etudiant12	0:96cf274f19bc	66	{
etudiant12	0:96cf274f19bc	67	Kernel.RegisterProcess(this);
etudiant12	0:96cf274f19bc	68
etudiant12	0:96cf274f19bc	69	//---------------------------------------------------------------
etudiant12	0:96cf274f19bc	70	//
etudiant12	0:96cf274f19bc	71	// Prepare Process Stack Frame
etudiant12	0:96cf274f19bc	72	//
etudiant12	0:96cf274f19bc	73	*(--StackPointer) = 0x01000000L; // xPSR
etudiant12	0:96cf274f19bc	74	*(--StackPointer) = reinterpret_cast<dword>(exec); // Entry Point
etudiant12	0:96cf274f19bc	75	StackPointer -= 14; // emulate "push R14,R12,R3,R2,R1,R0,R11-R4"
etudiant12	0:96cf274f19bc	76
etudiant12	0:96cf274f19bc	77	// The code below can be used for debug purpose. In this case comment
etudiant12	0:96cf274f19bc	78	// line above and uncomment block below.
etudiant12	0:96cf274f19bc	79	/*
etudiant12	0:96cf274f19bc	80	*(--StackPointer) = 0xFFFFFFFEL; // R14 (LR) (init value will cause fault if ever used)
etudiant12	0:96cf274f19bc	81	*(--StackPointer) = 0x12121212L; // R12
etudiant12	0:96cf274f19bc	82	*(--StackPointer) = 0x03030303L; // R3
etudiant12	0:96cf274f19bc	83	*(--StackPointer) = 0x02020202L; // R2
etudiant12	0:96cf274f19bc	84	*(--StackPointer) = 0x01010101L; // R1
etudiant12	0:96cf274f19bc	85	*(--StackPointer) = 0x00000000L; // R0
etudiant12	0:96cf274f19bc	86
etudiant12	0:96cf274f19bc	87	// Remaining registers saved on process stack
etudiant12	0:96cf274f19bc	88	*(--StackPointer) = 0x11111111L; // R11
etudiant12	0:96cf274f19bc	89	*(--StackPointer) = 0x10101010L; // R10
etudiant12	0:96cf274f19bc	90	*(--StackPointer) = 0x09090909L; // R9
etudiant12	0:96cf274f19bc	91	*(--StackPointer) = 0x08080808L; // R8
etudiant12	0:96cf274f19bc	92	*(--StackPointer) = 0x07070707L; // R7
etudiant12	0:96cf274f19bc	93	*(--StackPointer) = 0x06060606L; // R6
etudiant12	0:96cf274f19bc	94	*(--StackPointer) = 0x05050505L; // R5
etudiant12	0:96cf274f19bc	95	*(--StackPointer) = 0x04040404L; // R4
etudiant12	0:96cf274f19bc	96	*/
etudiant12	0:96cf274f19bc	97	}
etudiant12	0:96cf274f19bc	98	//------------------------------------------------------------------------------
etudiant12	0:96cf274f19bc	99	//
etudiant12	0:96cf274f19bc	100	// Idle Process
etudiant12	0:96cf274f19bc	101	//
etudiant12	0:96cf274f19bc	102	typedef process<prIDLE, scmRTOS_IDLE_PROCESS_STACK_SIZE> TIdleProcess;
etudiant12	0:96cf274f19bc	103
etudiant12	0:96cf274f19bc	104	TIdleProcess IdleProcess;
etudiant12	0:96cf274f19bc	105
etudiant12	0:96cf274f19bc	106	template<> OS_PROCESS void TIdleProcess::Exec()
etudiant12	0:96cf274f19bc	107	{
etudiant12	0:96cf274f19bc	108	for(;;)
etudiant12	0:96cf274f19bc	109	{
etudiant12	0:96cf274f19bc	110	#if scmRTOS_IDLE_HOOK_ENABLE == 1
etudiant12	0:96cf274f19bc	111	IdleProcessUserHook();
etudiant12	0:96cf274f19bc	112	#endif
etudiant12	0:96cf274f19bc	113	}
etudiant12	0:96cf274f19bc	114	}
etudiant12	0:96cf274f19bc	115	//------------------------------------------------------------------------------
etudiant12	0:96cf274f19bc	116	OS_INTERRUPT void OS::SysTick_Handler()
etudiant12	0:96cf274f19bc	117	{
etudiant12	0:96cf274f19bc	118	scmRTOS_ISRW_TYPE ISR;
etudiant12	0:96cf274f19bc	119
etudiant12	0:96cf274f19bc	120	Kernel.SystemTimer();
etudiant12	0:96cf274f19bc	121
etudiant12	0:96cf274f19bc	122	#if scmRTOS_SYSTIMER_NEST_INTS_ENABLE == 0
etudiant12	0:96cf274f19bc	123	DISABLE_NESTED_INTERRUPTS();
etudiant12	0:96cf274f19bc	124	#endif
etudiant12	0:96cf274f19bc	125
etudiant12	0:96cf274f19bc	126	#if scmRTOS_SYSTIMER_HOOK_ENABLE == 1
etudiant12	0:96cf274f19bc	127	SystemTimerUserHook();
etudiant12	0:96cf274f19bc	128	#endif
etudiant12	0:96cf274f19bc	129	}
etudiant12	0:96cf274f19bc	130	//------------------------------------------------------------------------------
etudiant12	0:96cf274f19bc	131

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Type:	Program
Mbed OS support:	Mbed 2 deprecated
Created:	23 May 2011
Imports:	11
Forks:	0
Commits:	1
Dependents:	0
Dependencies:	4
Followers:	3

scmRTOS/CortexM3/OS_Target_cpp.cpp@0:96cf274f19bc, 2011-05-23 (annotated)

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