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Daryl Tan Wei Guang / Mbed 2 deprecated FYPFinalProgram

Dependencies: keypad SDHCFileSystem TextLCD mbed FPointer wave_player

scmRTOS/CortexM3/OS_Target_cpp.cpp@0:57ece500234e, 2012-02-20 (annotated)

Committer:: daryl2110
Date:: Mon Feb 20 07:32:56 2012 +0000
Revision:: 0:57ece500234e

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User	Revision	Line number	New contents of line
daryl2110	0:57ece500234e	1	//******************************************************************************
daryl2110	0:57ece500234e	2	//*
daryl2110	0:57ece500234e	3	//* FULLNAME: Single-Chip Microcontroller Real-Time Operating System
daryl2110	0:57ece500234e	4	//*
daryl2110	0:57ece500234e	5	//* NICKNAME: scmRTOS
daryl2110	0:57ece500234e	6	//*
daryl2110	0:57ece500234e	7	//* PROCESSOR: ARM Cortex-M3
daryl2110	0:57ece500234e	8	//*
daryl2110	0:57ece500234e	9	//* TOOLKIT: EWARM (IAR Systems)
daryl2110	0:57ece500234e	10	//*
daryl2110	0:57ece500234e	11	//* PURPOSE: Target Dependent Stuff Source
daryl2110	0:57ece500234e	12	//*
daryl2110	0:57ece500234e	13	//* Version: 3.10
daryl2110	0:57ece500234e	14	//*
daryl2110	0:57ece500234e	15	//* $Revision: 195 $
daryl2110	0:57ece500234e	16	//* $Date:: 2008-06-19 #$
daryl2110	0:57ece500234e	17	//*
daryl2110	0:57ece500234e	18	//* Copyright (c) 2003-2010, Harry E. Zhurov
daryl2110	0:57ece500234e	19	//*
daryl2110	0:57ece500234e	20	//* Permission is hereby granted, free of charge, to any person
daryl2110	0:57ece500234e	21	//* obtaining a copy of this software and associated documentation
daryl2110	0:57ece500234e	22	//* files (the "Software"), to deal in the Software without restriction,
daryl2110	0:57ece500234e	23	//* including without limitation the rights to use, copy, modify, merge,
daryl2110	0:57ece500234e	24	//* publish, distribute, sublicense, and/or sell copies of the Software,
daryl2110	0:57ece500234e	25	//* and to permit persons to whom the Software is furnished to do so,
daryl2110	0:57ece500234e	26	//* subject to the following conditions:
daryl2110	0:57ece500234e	27	//*
daryl2110	0:57ece500234e	28	//* The above copyright notice and this permission notice shall be included
daryl2110	0:57ece500234e	29	//* in all copies or substantial portions of the Software.
daryl2110	0:57ece500234e	30	//*
daryl2110	0:57ece500234e	31	//* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
daryl2110	0:57ece500234e	32	//* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
daryl2110	0:57ece500234e	33	//* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
daryl2110	0:57ece500234e	34	//* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
daryl2110	0:57ece500234e	35	//* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
daryl2110	0:57ece500234e	36	//* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH
daryl2110	0:57ece500234e	37	//* THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
daryl2110	0:57ece500234e	38	//*
daryl2110	0:57ece500234e	39	//* =================================================================
daryl2110	0:57ece500234e	40	//* See http://scmrtos.sourceforge.net for documentation, latest
daryl2110	0:57ece500234e	41	//* information, license and contact details.
daryl2110	0:57ece500234e	42	//* =================================================================
daryl2110	0:57ece500234e	43	//*
daryl2110	0:57ece500234e	44	//******************************************************************************
daryl2110	0:57ece500234e	45	//* Ported by Andrey Chuikin, Copyright (c) 2008-2010
daryl2110	0:57ece500234e	46
daryl2110	0:57ece500234e	47
daryl2110	0:57ece500234e	48	#include <scmRTOS.h>
daryl2110	0:57ece500234e	49
daryl2110	0:57ece500234e	50	using namespace OS;
daryl2110	0:57ece500234e	51
daryl2110	0:57ece500234e	52	//------------------------------------------------------------------------------
daryl2110	0:57ece500234e	53	//
daryl2110	0:57ece500234e	54	// OS Process's constructor
daryl2110	0:57ece500234e	55	//
daryl2110	0:57ece500234e	56	// Performs:
daryl2110	0:57ece500234e	57	// * initializing process data;
daryl2110	0:57ece500234e	58	// * registering of the process in kernel;
daryl2110	0:57ece500234e	59	// * preparing stack frame;
daryl2110	0:57ece500234e	60	//
daryl2110	0:57ece500234e	61	//
daryl2110	0:57ece500234e	62	TBaseProcess::TBaseProcess(TStackItem* Stack, word stack_size, TPriority pr, void (*exec)())
daryl2110	0:57ece500234e	63	: StackPointer(Stack)
daryl2110	0:57ece500234e	64	, StackSize(stack_size)
daryl2110	0:57ece500234e	65	, Timeout(0)
daryl2110	0:57ece500234e	66	, Priority(pr)
daryl2110	0:57ece500234e	67	{
daryl2110	0:57ece500234e	68	Kernel.RegisterProcess(this);
daryl2110	0:57ece500234e	69
daryl2110	0:57ece500234e	70	#ifdef DEBUG_STACK
daryl2110	0:57ece500234e	71	//---------------------------------------------------------------
daryl2110	0:57ece500234e	72	// Fill stack area with some value to be able later to define stack usage
daryl2110	0:57ece500234e	73	for (StackPointer-=(StackSize/sizeof(TStackItem)); StackPointer < Stack; *(StackPointer++) = STACK_FILL_CONST);
daryl2110	0:57ece500234e	74	#endif //DEBUG_STACK
daryl2110	0:57ece500234e	75
daryl2110	0:57ece500234e	76	//---------------------------------------------------------------
daryl2110	0:57ece500234e	77	//
daryl2110	0:57ece500234e	78	// Prepare Process Stack Frame
daryl2110	0:57ece500234e	79	//
daryl2110	0:57ece500234e	80	*(--StackPointer) = 0x01000000L; // xPSR
daryl2110	0:57ece500234e	81	*(--StackPointer) = reinterpret_cast<dword>(exec); // Entry Point
daryl2110	0:57ece500234e	82	StackPointer -= 14; // emulate "push R14,R12,R3,R2,R1,R0,R11-R4"
daryl2110	0:57ece500234e	83
daryl2110	0:57ece500234e	84	// The code below can be used for debug purpose. In this case comment
daryl2110	0:57ece500234e	85	// line above and uncomment block below.
daryl2110	0:57ece500234e	86	/*
daryl2110	0:57ece500234e	87	*(--StackPointer) = 0xFFFFFFFEL; // R14 (LR) (init value will cause fault if ever used)
daryl2110	0:57ece500234e	88	*(--StackPointer) = 0x12121212L; // R12
daryl2110	0:57ece500234e	89	*(--StackPointer) = 0x03030303L; // R3
daryl2110	0:57ece500234e	90	*(--StackPointer) = 0x02020202L; // R2
daryl2110	0:57ece500234e	91	*(--StackPointer) = 0x01010101L; // R1
daryl2110	0:57ece500234e	92	*(--StackPointer) = 0x00000000L; // R0
daryl2110	0:57ece500234e	93
daryl2110	0:57ece500234e	94	// Remaining registers saved on process stack
daryl2110	0:57ece500234e	95	*(--StackPointer) = 0x11111111L; // R11
daryl2110	0:57ece500234e	96	*(--StackPointer) = 0x10101010L; // R10
daryl2110	0:57ece500234e	97	*(--StackPointer) = 0x09090909L; // R9
daryl2110	0:57ece500234e	98	*(--StackPointer) = 0x08080808L; // R8
daryl2110	0:57ece500234e	99	*(--StackPointer) = 0x07070707L; // R7
daryl2110	0:57ece500234e	100	*(--StackPointer) = 0x06060606L; // R6
daryl2110	0:57ece500234e	101	*(--StackPointer) = 0x05050505L; // R5
daryl2110	0:57ece500234e	102	*(--StackPointer) = 0x04040404L; // R4
daryl2110	0:57ece500234e	103	*/
daryl2110	0:57ece500234e	104	}
daryl2110	0:57ece500234e	105	//------------------------------------------------------------------------------
daryl2110	0:57ece500234e	106	//
daryl2110	0:57ece500234e	107	// Idle Process
daryl2110	0:57ece500234e	108	//
daryl2110	0:57ece500234e	109	typedef process<prIDLE, scmRTOS_IDLE_PROCESS_STACK_SIZE> TIdleProcess;
daryl2110	0:57ece500234e	110
daryl2110	0:57ece500234e	111	TIdleProcess IdleProcess;
daryl2110	0:57ece500234e	112
daryl2110	0:57ece500234e	113	template<> OS_PROCESS void TIdleProcess::Exec()
daryl2110	0:57ece500234e	114	{
daryl2110	0:57ece500234e	115	for(;;)
daryl2110	0:57ece500234e	116	{
daryl2110	0:57ece500234e	117	#if scmRTOS_IDLE_HOOK_ENABLE == 1
daryl2110	0:57ece500234e	118	IdleProcessUserHook();
daryl2110	0:57ece500234e	119	#endif
daryl2110	0:57ece500234e	120	}
daryl2110	0:57ece500234e	121	}
daryl2110	0:57ece500234e	122	//------------------------------------------------------------------------------
daryl2110	0:57ece500234e	123	OS_INTERRUPT void OS::SysTick_Handler()
daryl2110	0:57ece500234e	124	{
daryl2110	0:57ece500234e	125	scmRTOS_ISRW_TYPE ISR;
daryl2110	0:57ece500234e	126
daryl2110	0:57ece500234e	127	Kernel.SystemTimer();
daryl2110	0:57ece500234e	128
daryl2110	0:57ece500234e	129	#if scmRTOS_SYSTIMER_NEST_INTS_ENABLE == 0
daryl2110	0:57ece500234e	130	DISABLE_NESTED_INTERRUPTS();
daryl2110	0:57ece500234e	131	#endif
daryl2110	0:57ece500234e	132
daryl2110	0:57ece500234e	133	#if scmRTOS_SYSTIMER_HOOK_ENABLE == 1
daryl2110	0:57ece500234e	134	SystemTimerUserHook();
daryl2110	0:57ece500234e	135	#endif
daryl2110	0:57ece500234e	136	}
daryl2110	0:57ece500234e	137	//------------------------------------------------------------------------------

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Type:	Program
Mbed OS support:	Mbed 2 deprecated
Created:	20 Feb 2012
Imports:	5
Forks:	0
Commits:	1
Dependents:	0
Dependencies:	6
Followers:	1

scmRTOS/CortexM3/OS_Target_cpp.cpp@0:57ece500234e, 2012-02-20 (annotated)

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