FinalProgram -

Users » cicklaus » Code » FinalProgram

nicklaus lek / Mbed 2 deprecated FinalProgram

Dependencies: PinDetect TextLCD mbed mRotaryEncoder

scmRTOS/Common/OS_Kernel.cpp@0:afb2650fb49a, 2012-02-13 (annotated)

Committer:: cicklaus
Date:: Mon Feb 13 02:11:20 2012 +0000
Revision:: 0:afb2650fb49a

Who changed what in which revision?

User	Revision	Line number	New contents of line
cicklaus	0:afb2650fb49a	1	//******************************************************************************
cicklaus	0:afb2650fb49a	2	//*
cicklaus	0:afb2650fb49a	3	//* FULLNAME: Single-Chip Microcontroller Real-Time Operating System
cicklaus	0:afb2650fb49a	4	//*
cicklaus	0:afb2650fb49a	5	//* NICKNAME: scmRTOS
cicklaus	0:afb2650fb49a	6	//*
cicklaus	0:afb2650fb49a	7	//* PURPOSE: OS Kernel Source
cicklaus	0:afb2650fb49a	8	//*
cicklaus	0:afb2650fb49a	9	//* Version: 3.10
cicklaus	0:afb2650fb49a	10	//*
cicklaus	0:afb2650fb49a	11	//* $Revision: 256 $
cicklaus	0:afb2650fb49a	12	//* $Date:: 2010-01-22 #$
cicklaus	0:afb2650fb49a	13	//*
cicklaus	0:afb2650fb49a	14	//* Copyright (c) 2003-2010, Harry E. Zhurov
cicklaus	0:afb2650fb49a	15	//*
cicklaus	0:afb2650fb49a	16	//* Permission is hereby granted, free of charge, to any person
cicklaus	0:afb2650fb49a	17	//* obtaining a copy of this software and associated documentation
cicklaus	0:afb2650fb49a	18	//* files (the "Software"), to deal in the Software without restriction,
cicklaus	0:afb2650fb49a	19	//* including without limitation the rights to use, copy, modify, merge,
cicklaus	0:afb2650fb49a	20	//* publish, distribute, sublicense, and/or sell copies of the Software,
cicklaus	0:afb2650fb49a	21	//* and to permit persons to whom the Software is furnished to do so,
cicklaus	0:afb2650fb49a	22	//* subject to the following conditions:
cicklaus	0:afb2650fb49a	23	//*
cicklaus	0:afb2650fb49a	24	//* The above copyright notice and this permission notice shall be included
cicklaus	0:afb2650fb49a	25	//* in all copies or substantial portions of the Software.
cicklaus	0:afb2650fb49a	26	//*
cicklaus	0:afb2650fb49a	27	//* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
cicklaus	0:afb2650fb49a	28	//* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
cicklaus	0:afb2650fb49a	29	//* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
cicklaus	0:afb2650fb49a	30	//* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
cicklaus	0:afb2650fb49a	31	//* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
cicklaus	0:afb2650fb49a	32	//* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH
cicklaus	0:afb2650fb49a	33	//* THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
cicklaus	0:afb2650fb49a	34	//*
cicklaus	0:afb2650fb49a	35	//* =================================================================
cicklaus	0:afb2650fb49a	36	//* See http://scmrtos.sourceforge.net for documentation, latest
cicklaus	0:afb2650fb49a	37	//* information, license and contact details.
cicklaus	0:afb2650fb49a	38	//* =================================================================
cicklaus	0:afb2650fb49a	39	//*
cicklaus	0:afb2650fb49a	40	//******************************************************************************
cicklaus	0:afb2650fb49a	41
cicklaus	0:afb2650fb49a	42	#include "scmRTOS.h"
cicklaus	0:afb2650fb49a	43
cicklaus	0:afb2650fb49a	44	using namespace OS;
cicklaus	0:afb2650fb49a	45	//------------------------------------------------------------------------------
cicklaus	0:afb2650fb49a	46	OS::TKernel OS::Kernel;
cicklaus	0:afb2650fb49a	47
cicklaus	0:afb2650fb49a	48	//------------------------------------------------------------------------------
cicklaus	0:afb2650fb49a	49	#if scmRTOS_CONTEXT_SWITCH_SCHEME == 0
cicklaus	0:afb2650fb49a	50	void TKernel::Sched()
cicklaus	0:afb2650fb49a	51	{
cicklaus	0:afb2650fb49a	52	byte NextPrty = GetHighPriority(ReadyProcessMap);
cicklaus	0:afb2650fb49a	53	if(NextPrty != CurProcPriority)
cicklaus	0:afb2650fb49a	54	{
cicklaus	0:afb2650fb49a	55	TStackItem* Next_SP = ProcessTable[NextPrty]->StackPointer;
cicklaus	0:afb2650fb49a	56	TStackItem** Curr_SP_addr = &(ProcessTable[CurProcPriority]->StackPointer);
cicklaus	0:afb2650fb49a	57	CurProcPriority = NextPrty;
cicklaus	0:afb2650fb49a	58	OS_ContextSwitcher(Curr_SP_addr, Next_SP);
cicklaus	0:afb2650fb49a	59	}
cicklaus	0:afb2650fb49a	60	}
cicklaus	0:afb2650fb49a	61	#else
cicklaus	0:afb2650fb49a	62	//------------------------------------------------------------------------------
cicklaus	0:afb2650fb49a	63	void TKernel::Sched()
cicklaus	0:afb2650fb49a	64	{
cicklaus	0:afb2650fb49a	65	byte NextPrty = GetHighPriority(ReadyProcessMap);
cicklaus	0:afb2650fb49a	66	if(NextPrty != CurProcPriority)
cicklaus	0:afb2650fb49a	67	{
cicklaus	0:afb2650fb49a	68	SchedProcPriority = NextPrty;
cicklaus	0:afb2650fb49a	69
cicklaus	0:afb2650fb49a	70	RaiseContextSwitch();
cicklaus	0:afb2650fb49a	71	do
cicklaus	0:afb2650fb49a	72	{
cicklaus	0:afb2650fb49a	73	EnableContextSwitch();
cicklaus	0:afb2650fb49a	74	DUMMY_INSTR();
cicklaus	0:afb2650fb49a	75	DisableContextSwitch();
cicklaus	0:afb2650fb49a	76	}
cicklaus	0:afb2650fb49a	77	while(!IsContextSwitchDone());
cicklaus	0:afb2650fb49a	78	}
cicklaus	0:afb2650fb49a	79	}
cicklaus	0:afb2650fb49a	80	//------------------------------------------------------------------------------
cicklaus	0:afb2650fb49a	81	TStackItem* OS_ContextSwitchHook(TStackItem* sp) { return OS::Kernel.ContextSwitchHook(sp); }
cicklaus	0:afb2650fb49a	82	//------------------------------------------------------------------------------
cicklaus	0:afb2650fb49a	83	#endif // scmRTOS_CONTEXT_SWITCH_SCHEME
cicklaus	0:afb2650fb49a	84	//------------------------------------------------------------------------------
cicklaus	0:afb2650fb49a	85	void TBaseProcess::Sleep(TTimeout timeout)
cicklaus	0:afb2650fb49a	86	{
cicklaus	0:afb2650fb49a	87	TCritSect cs;
cicklaus	0:afb2650fb49a	88
cicklaus	0:afb2650fb49a	89	Kernel.ProcessTable[Kernel.CurProcPriority]->Timeout = timeout;
cicklaus	0:afb2650fb49a	90	Kernel.SetProcessUnready(Kernel.CurProcPriority);
cicklaus	0:afb2650fb49a	91	Kernel.Scheduler();
cicklaus	0:afb2650fb49a	92	}
cicklaus	0:afb2650fb49a	93	//------------------------------------------------------------------------------
cicklaus	0:afb2650fb49a	94	void OS::WakeUpProcess(TBaseProcess& p)
cicklaus	0:afb2650fb49a	95	{
cicklaus	0:afb2650fb49a	96	TCritSect cs;
cicklaus	0:afb2650fb49a	97
cicklaus	0:afb2650fb49a	98	if(p.Timeout)
cicklaus	0:afb2650fb49a	99	{
cicklaus	0:afb2650fb49a	100	p.Timeout = 0;
cicklaus	0:afb2650fb49a	101	Kernel.SetProcessReady(p.Priority);
cicklaus	0:afb2650fb49a	102	Kernel.Scheduler();
cicklaus	0:afb2650fb49a	103	}
cicklaus	0:afb2650fb49a	104	}
cicklaus	0:afb2650fb49a	105	//------------------------------------------------------------------------------
cicklaus	0:afb2650fb49a	106	void OS::ForceWakeUpProcess(TBaseProcess& p)
cicklaus	0:afb2650fb49a	107	{
cicklaus	0:afb2650fb49a	108	TCritSect cs;
cicklaus	0:afb2650fb49a	109
cicklaus	0:afb2650fb49a	110	p.Timeout = 0;
cicklaus	0:afb2650fb49a	111	Kernel.SetProcessReady(p.Priority);
cicklaus	0:afb2650fb49a	112	Kernel.Scheduler();
cicklaus	0:afb2650fb49a	113	}
cicklaus	0:afb2650fb49a	114	//------------------------------------------------------------------------------
cicklaus	0:afb2650fb49a	115

Repository toolbox

Export to desktop IDE

Build repository

Repository details

Type:	Program
Mbed OS support:	Mbed 2 deprecated
Created:	13 Feb 2012
Imports:	15
Forks:	0
Commits:	1
Dependents:	0
Dependencies:	4
Followers:	1

scmRTOS/Common/OS_Kernel.cpp@0:afb2650fb49a, 2012-02-13 (annotated)

Who changed what in which revision?

Repository toolbox

Repository details

Important Information for this Arm website

Access Warning