FYPFinalizeProgram -

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Daryl Tan Wei Guang / Mbed 2 deprecated FYPFinalizeProgram

Dependencies: keypad SDHCFileSystem mbed FPointer wave_player

scmRTOS/Common/usrlib.cpp@0:879af6e11219, 2012-02-20 (annotated)

Committer:: daryl2110
Date:: Mon Feb 20 07:36:06 2012 +0000
Revision:: 0:879af6e11219

Who changed what in which revision?

User	Revision	Line number	New contents of line
daryl2110	0:879af6e11219	1	//******************************************************************************
daryl2110	0:879af6e11219	2	//*
daryl2110	0:879af6e11219	3	//* FULLNAME: Single-Chip Microcontroller Real-Time Operating System
daryl2110	0:879af6e11219	4	//*
daryl2110	0:879af6e11219	5	//* NICKNAME: scmRTOS
daryl2110	0:879af6e11219	6	//*
daryl2110	0:879af6e11219	7	//* PURPOSE: User Suport Library Source
daryl2110	0:879af6e11219	8	//*
daryl2110	0:879af6e11219	9	//* Version: 3.10
daryl2110	0:879af6e11219	10	//*
daryl2110	0:879af6e11219	11	//* $Revision: 256 $
daryl2110	0:879af6e11219	12	//* $Date:: 2010-01-22 #$
daryl2110	0:879af6e11219	13	//*
daryl2110	0:879af6e11219	14	//* Copyright (c) 2003-2010, Harry E. Zhurov
daryl2110	0:879af6e11219	15	//*
daryl2110	0:879af6e11219	16	//* Permission is hereby granted, free of charge, to any person
daryl2110	0:879af6e11219	17	//* obtaining a copy of this software and associated documentation
daryl2110	0:879af6e11219	18	//* files (the "Software"), to deal in the Software without restriction,
daryl2110	0:879af6e11219	19	//* including without limitation the rights to use, copy, modify, merge,
daryl2110	0:879af6e11219	20	//* publish, distribute, sublicense, and/or sell copies of the Software,
daryl2110	0:879af6e11219	21	//* and to permit persons to whom the Software is furnished to do so,
daryl2110	0:879af6e11219	22	//* subject to the following conditions:
daryl2110	0:879af6e11219	23	//*
daryl2110	0:879af6e11219	24	//* The above copyright notice and this permission notice shall be included
daryl2110	0:879af6e11219	25	//* in all copies or substantial portions of the Software.
daryl2110	0:879af6e11219	26	//*
daryl2110	0:879af6e11219	27	//* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
daryl2110	0:879af6e11219	28	//* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
daryl2110	0:879af6e11219	29	//* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
daryl2110	0:879af6e11219	30	//* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
daryl2110	0:879af6e11219	31	//* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
daryl2110	0:879af6e11219	32	//* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH
daryl2110	0:879af6e11219	33	//* THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
daryl2110	0:879af6e11219	34	//*
daryl2110	0:879af6e11219	35	//* =================================================================
daryl2110	0:879af6e11219	36	//* See http://scmrtos.sourceforge.net for documentation, latest
daryl2110	0:879af6e11219	37	//* information, license and contact details.
daryl2110	0:879af6e11219	38	//* =================================================================
daryl2110	0:879af6e11219	39	//*
daryl2110	0:879af6e11219	40	//******************************************************************************
daryl2110	0:879af6e11219	41
daryl2110	0:879af6e11219	42	#include <usrlib.h>
daryl2110	0:879af6e11219	43	#include <commdefs.h>
daryl2110	0:879af6e11219	44
daryl2110	0:879af6e11219	45	using namespace usr;
daryl2110	0:879af6e11219	46
daryl2110	0:879af6e11219	47	//------------------------------------------------------------------------------
daryl2110	0:879af6e11219	48	//
daryl2110	0:879af6e11219	49	/// Circular buffer function-member description
daryl2110	0:879af6e11219	50	//
daryl2110	0:879af6e11219	51	//
daryl2110	0:879af6e11219	52	//
daryl2110	0:879af6e11219	53	TCbuf::TCbuf(byte* const Address, const byte Size) :
daryl2110	0:879af6e11219	54	buf(Address),
daryl2110	0:879af6e11219	55	size(Size),
daryl2110	0:879af6e11219	56	count(0),
daryl2110	0:879af6e11219	57	first(0),
daryl2110	0:879af6e11219	58	last(0)
daryl2110	0:879af6e11219	59	{
daryl2110	0:879af6e11219	60	}
daryl2110	0:879af6e11219	61	//------------------------------------------------------------------------------
daryl2110	0:879af6e11219	62	bool TCbuf::write(const byte* data, const byte Count)
daryl2110	0:879af6e11219	63	{
daryl2110	0:879af6e11219	64	if( Count > (size - count) )
daryl2110	0:879af6e11219	65	return false;
daryl2110	0:879af6e11219	66
daryl2110	0:879af6e11219	67	for(byte i = 0; i < Count; i++)
daryl2110	0:879af6e11219	68	push(*(data++));
daryl2110	0:879af6e11219	69
daryl2110	0:879af6e11219	70	return true;
daryl2110	0:879af6e11219	71	}
daryl2110	0:879af6e11219	72	//------------------------------------------------------------------------------
daryl2110	0:879af6e11219	73	void TCbuf::read(byte* data, const byte Count)
daryl2110	0:879af6e11219	74	{
daryl2110	0:879af6e11219	75	byte N = Count <= count ? Count : count;
daryl2110	0:879af6e11219	76
daryl2110	0:879af6e11219	77	for(byte i = 0; i < N; i++)
daryl2110	0:879af6e11219	78	data[i] = pop();
daryl2110	0:879af6e11219	79	}
daryl2110	0:879af6e11219	80	//------------------------------------------------------------------------------
daryl2110	0:879af6e11219	81	byte TCbuf::get_byte(const byte index) const
daryl2110	0:879af6e11219	82	{
daryl2110	0:879af6e11219	83	byte x = first + index;
daryl2110	0:879af6e11219	84
daryl2110	0:879af6e11219	85	if(x < size)
daryl2110	0:879af6e11219	86	return buf[x];
daryl2110	0:879af6e11219	87	else
daryl2110	0:879af6e11219	88	return buf[x - size];
daryl2110	0:879af6e11219	89	}
daryl2110	0:879af6e11219	90
daryl2110	0:879af6e11219	91	//------------------------------------------------------------------------------
daryl2110	0:879af6e11219	92	bool TCbuf::put(const byte item)
daryl2110	0:879af6e11219	93	{
daryl2110	0:879af6e11219	94	if(count == size)
daryl2110	0:879af6e11219	95	return false;
daryl2110	0:879af6e11219	96
daryl2110	0:879af6e11219	97	push(item);
daryl2110	0:879af6e11219	98	return true;
daryl2110	0:879af6e11219	99	}
daryl2110	0:879af6e11219	100	//------------------------------------------------------------------------------
daryl2110	0:879af6e11219	101	byte TCbuf::get()
daryl2110	0:879af6e11219	102	{
daryl2110	0:879af6e11219	103	if(count)
daryl2110	0:879af6e11219	104	return pop();
daryl2110	0:879af6e11219	105	else
daryl2110	0:879af6e11219	106	return 0;
daryl2110	0:879af6e11219	107	}
daryl2110	0:879af6e11219	108	//------------------------------------------------------------------------------
daryl2110	0:879af6e11219	109	//
daryl2110	0:879af6e11219	110	/// \note
daryl2110	0:879af6e11219	111	/// For internal purposes.
daryl2110	0:879af6e11219	112	/// Use this function with care - it doesn't perform free size check.
daryl2110	0:879af6e11219	113	//
daryl2110	0:879af6e11219	114	void TCbuf::push(const byte item)
daryl2110	0:879af6e11219	115	{
daryl2110	0:879af6e11219	116	buf[last] = item;
daryl2110	0:879af6e11219	117	last++;
daryl2110	0:879af6e11219	118	count++;
daryl2110	0:879af6e11219	119
daryl2110	0:879af6e11219	120	if(last == size)
daryl2110	0:879af6e11219	121	last = 0;
daryl2110	0:879af6e11219	122	}
daryl2110	0:879af6e11219	123	//------------------------------------------------------------------------------
daryl2110	0:879af6e11219	124	//
daryl2110	0:879af6e11219	125	/// \note
daryl2110	0:879af6e11219	126	/// For internal purposes.
daryl2110	0:879af6e11219	127	/// Use this function with care - it doesn't perform free size check.
daryl2110	0:879af6e11219	128	//
daryl2110	0:879af6e11219	129	byte TCbuf::pop()
daryl2110	0:879af6e11219	130	{
daryl2110	0:879af6e11219	131	byte item = buf[first];
daryl2110	0:879af6e11219	132
daryl2110	0:879af6e11219	133	count--;
daryl2110	0:879af6e11219	134	first++;
daryl2110	0:879af6e11219	135	if(first == size)
daryl2110	0:879af6e11219	136	first = 0;
daryl2110	0:879af6e11219	137
daryl2110	0:879af6e11219	138	return item;
daryl2110	0:879af6e11219	139	}
daryl2110	0:879af6e11219	140	//------------------------------------------------------------------------------

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

scmRTOS/Common/usrlib.cpp@0:879af6e11219, 2012-02-20 (annotated)

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