scmRTOS_test - Quick and dirty port of scmRTOS demo to mbed 1768…

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Igor Skochinsky / Mbed 2 deprecated scmRTOS_test

Quick and dirty port of scmRTOS demo to mbed 1768. scmRTOS is a small RTOS written using C++. Offers (static) processes, critical sections, mutexes, messages, channels.

Dependencies: mbed

scmRTOS/CortexM3/OS_Target_cpp.cpp@0:a405220cf420, 2010-09-09 (annotated)

Committer:: igorsk
Date:: Thu Sep 09 21:19:01 2010 +0000
Revision:: 0:a405220cf420

Who changed what in which revision?

User	Revision	Line number	New contents of line
igorsk	0:a405220cf420	1	//******************************************************************************
igorsk	0:a405220cf420	2	//*
igorsk	0:a405220cf420	3	//* FULLNAME: Single-Chip Microcontroller Real-Time Operating System
igorsk	0:a405220cf420	4	//*
igorsk	0:a405220cf420	5	//* NICKNAME: scmRTOS
igorsk	0:a405220cf420	6	//*
igorsk	0:a405220cf420	7	//* PROCESSOR: ARM Cortex-M3
igorsk	0:a405220cf420	8	//*
igorsk	0:a405220cf420	9	//* TOOLKIT: EWARM (IAR Systems)
igorsk	0:a405220cf420	10	//*
igorsk	0:a405220cf420	11	//* PURPOSE: Target Dependent Stuff Source
igorsk	0:a405220cf420	12	//*
igorsk	0:a405220cf420	13	//* Version: 3.10
igorsk	0:a405220cf420	14	//*
igorsk	0:a405220cf420	15	//* $Revision: 195 $
igorsk	0:a405220cf420	16	//* $Date:: 2008-06-19 #$
igorsk	0:a405220cf420	17	//*
igorsk	0:a405220cf420	18	//* Copyright (c) 2003-2010, Harry E. Zhurov
igorsk	0:a405220cf420	19	//*
igorsk	0:a405220cf420	20	//* Permission is hereby granted, free of charge, to any person
igorsk	0:a405220cf420	21	//* obtaining a copy of this software and associated documentation
igorsk	0:a405220cf420	22	//* files (the "Software"), to deal in the Software without restriction,
igorsk	0:a405220cf420	23	//* including without limitation the rights to use, copy, modify, merge,
igorsk	0:a405220cf420	24	//* publish, distribute, sublicense, and/or sell copies of the Software,
igorsk	0:a405220cf420	25	//* and to permit persons to whom the Software is furnished to do so,
igorsk	0:a405220cf420	26	//* subject to the following conditions:
igorsk	0:a405220cf420	27	//*
igorsk	0:a405220cf420	28	//* The above copyright notice and this permission notice shall be included
igorsk	0:a405220cf420	29	//* in all copies or substantial portions of the Software.
igorsk	0:a405220cf420	30	//*
igorsk	0:a405220cf420	31	//* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
igorsk	0:a405220cf420	32	//* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
igorsk	0:a405220cf420	33	//* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
igorsk	0:a405220cf420	34	//* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
igorsk	0:a405220cf420	35	//* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
igorsk	0:a405220cf420	36	//* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH
igorsk	0:a405220cf420	37	//* THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
igorsk	0:a405220cf420	38	//*
igorsk	0:a405220cf420	39	//* =================================================================
igorsk	0:a405220cf420	40	//* See http://scmrtos.sourceforge.net for documentation, latest
igorsk	0:a405220cf420	41	//* information, license and contact details.
igorsk	0:a405220cf420	42	//* =================================================================
igorsk	0:a405220cf420	43	//*
igorsk	0:a405220cf420	44	//******************************************************************************
igorsk	0:a405220cf420	45	//* Ported by Andrey Chuikin, Copyright (c) 2008-2010
igorsk	0:a405220cf420	46
igorsk	0:a405220cf420	47
igorsk	0:a405220cf420	48	#include <scmRTOS.h>
igorsk	0:a405220cf420	49
igorsk	0:a405220cf420	50	using namespace OS;
igorsk	0:a405220cf420	51
igorsk	0:a405220cf420	52	//------------------------------------------------------------------------------
igorsk	0:a405220cf420	53	//
igorsk	0:a405220cf420	54	// OS Process's constructor
igorsk	0:a405220cf420	55	//
igorsk	0:a405220cf420	56	// Performs:
igorsk	0:a405220cf420	57	// * initializing process data;
igorsk	0:a405220cf420	58	// * registering of the process in kernel;
igorsk	0:a405220cf420	59	// * preparing stack frame;
igorsk	0:a405220cf420	60	//
igorsk	0:a405220cf420	61	//
igorsk	0:a405220cf420	62	TBaseProcess::TBaseProcess(TStackItem* Stack, TPriority pr, void (*exec)())
igorsk	0:a405220cf420	63	: StackPointer(Stack)
igorsk	0:a405220cf420	64	, Timeout(0)
igorsk	0:a405220cf420	65	, Priority(pr)
igorsk	0:a405220cf420	66	{
igorsk	0:a405220cf420	67	Kernel.RegisterProcess(this);
igorsk	0:a405220cf420	68
igorsk	0:a405220cf420	69	//---------------------------------------------------------------
igorsk	0:a405220cf420	70	//
igorsk	0:a405220cf420	71	// Prepare Process Stack Frame
igorsk	0:a405220cf420	72	//
igorsk	0:a405220cf420	73	*(--StackPointer) = 0x01000000L; // xPSR
igorsk	0:a405220cf420	74	*(--StackPointer) = reinterpret_cast<dword>(exec); // Entry Point
igorsk	0:a405220cf420	75	StackPointer -= 14; // emulate "push R14,R12,R3,R2,R1,R0,R11-R4"
igorsk	0:a405220cf420	76
igorsk	0:a405220cf420	77	// The code below can be used for debug purpose. In this case comment
igorsk	0:a405220cf420	78	// line above and uncomment block below.
igorsk	0:a405220cf420	79	/*
igorsk	0:a405220cf420	80	*(--StackPointer) = 0xFFFFFFFEL; // R14 (LR) (init value will cause fault if ever used)
igorsk	0:a405220cf420	81	*(--StackPointer) = 0x12121212L; // R12
igorsk	0:a405220cf420	82	*(--StackPointer) = 0x03030303L; // R3
igorsk	0:a405220cf420	83	*(--StackPointer) = 0x02020202L; // R2
igorsk	0:a405220cf420	84	*(--StackPointer) = 0x01010101L; // R1
igorsk	0:a405220cf420	85	*(--StackPointer) = 0x00000000L; // R0
igorsk	0:a405220cf420	86
igorsk	0:a405220cf420	87	// Remaining registers saved on process stack
igorsk	0:a405220cf420	88	*(--StackPointer) = 0x11111111L; // R11
igorsk	0:a405220cf420	89	*(--StackPointer) = 0x10101010L; // R10
igorsk	0:a405220cf420	90	*(--StackPointer) = 0x09090909L; // R9
igorsk	0:a405220cf420	91	*(--StackPointer) = 0x08080808L; // R8
igorsk	0:a405220cf420	92	*(--StackPointer) = 0x07070707L; // R7
igorsk	0:a405220cf420	93	*(--StackPointer) = 0x06060606L; // R6
igorsk	0:a405220cf420	94	*(--StackPointer) = 0x05050505L; // R5
igorsk	0:a405220cf420	95	*(--StackPointer) = 0x04040404L; // R4
igorsk	0:a405220cf420	96	*/
igorsk	0:a405220cf420	97	}
igorsk	0:a405220cf420	98	//------------------------------------------------------------------------------
igorsk	0:a405220cf420	99	//
igorsk	0:a405220cf420	100	// Idle Process
igorsk	0:a405220cf420	101	//
igorsk	0:a405220cf420	102	typedef process<prIDLE, scmRTOS_IDLE_PROCESS_STACK_SIZE> TIdleProcess;
igorsk	0:a405220cf420	103
igorsk	0:a405220cf420	104	TIdleProcess IdleProcess;
igorsk	0:a405220cf420	105
igorsk	0:a405220cf420	106	template<> OS_PROCESS void TIdleProcess::Exec()
igorsk	0:a405220cf420	107	{
igorsk	0:a405220cf420	108	for(;;)
igorsk	0:a405220cf420	109	{
igorsk	0:a405220cf420	110	#if scmRTOS_IDLE_HOOK_ENABLE == 1
igorsk	0:a405220cf420	111	IdleProcessUserHook();
igorsk	0:a405220cf420	112	#endif
igorsk	0:a405220cf420	113	}
igorsk	0:a405220cf420	114	}
igorsk	0:a405220cf420	115	//------------------------------------------------------------------------------
igorsk	0:a405220cf420	116	OS_INTERRUPT void OS::SysTick_Handler()
igorsk	0:a405220cf420	117	{
igorsk	0:a405220cf420	118	scmRTOS_ISRW_TYPE ISR;
igorsk	0:a405220cf420	119
igorsk	0:a405220cf420	120	Kernel.SystemTimer();
igorsk	0:a405220cf420	121
igorsk	0:a405220cf420	122	#if scmRTOS_SYSTIMER_NEST_INTS_ENABLE == 0
igorsk	0:a405220cf420	123	DISABLE_NESTED_INTERRUPTS();
igorsk	0:a405220cf420	124	#endif
igorsk	0:a405220cf420	125
igorsk	0:a405220cf420	126	#if scmRTOS_SYSTIMER_HOOK_ENABLE == 1
igorsk	0:a405220cf420	127	SystemTimerUserHook();
igorsk	0:a405220cf420	128	#endif
igorsk	0:a405220cf420	129	}
igorsk	0:a405220cf420	130	//------------------------------------------------------------------------------
igorsk	0:a405220cf420	131

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Type:	Program
Mbed OS support:	Mbed 2 deprecated
Created:	09 Sep 2010
Imports:	69
Forks:	0
Commits:	1
Dependents:	0
Dependencies:	1
Followers:	4

scmRTOS/CortexM3/OS_Target_cpp.cpp@0:a405220cf420, 2010-09-09 (annotated)

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