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//******************************************************************************
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//*
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//* FULLNAME: Single-Chip Microcontroller Real-Time Operating System
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//*
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//* NICKNAME: scmRTOS
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//*
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//* PURPOSE: OS Services Header. Declarations And Definitions
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//*
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//* Version: 3.10
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//*
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//* $Revision: 256 $
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//* $Date:: 2010-01-22 #$
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//*
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//* Copyright (c) 2003-2010, Harry E. Zhurov
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//*
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//* Permission is hereby granted, free of charge, to any person
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//* obtaining a copy of this software and associated documentation
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//* files (the "Software"), to deal in the Software without restriction,
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//* including without limitation the rights to use, copy, modify, merge,
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//* publish, distribute, sublicense, and/or sell copies of the Software,
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//* and to permit persons to whom the Software is furnished to do so,
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//* subject to the following conditions:
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//*
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//* The above copyright notice and this permission notice shall be included
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//* in all copies or substantial portions of the Software.
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//*
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//* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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//* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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//* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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//* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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//* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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//* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH
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//* THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//*
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//* =================================================================
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//* See http://scmrtos.sourceforge.net for documentation, latest
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//* information, license and contact details.
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//* =================================================================
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//*
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//******************************************************************************
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#ifndef OS_SERVICES_H
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#define OS_SERVICES_H
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namespace OS
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{
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//--------------------------------------------------------------------------
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//
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// NAME : Mutex
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//
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/// Binary semaphore for support of mutual exclusion
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//
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// DESCRIPTION:
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//
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//
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class TMutex
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{
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public:
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INLINE TMutex() : ProcessMap(0), ValueTag(0) { }
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void Lock();
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void Unlock();
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void UnlockISR();
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INLINE bool LockSoftly() { TCritSect cs; if(ValueTag) return false; else Lock(); return true; }
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INLINE bool IsLocked() const { TCritSect cs; if(ValueTag) return true; else return false; }
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private:
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TProcessMap ProcessMap;
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TProcessMap ValueTag;
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};
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//--------------------------------------------------------------------------
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//--------------------------------------------------------------------------
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//
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/// Event Flag
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///
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/// Intended for processes synchronization and
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/// event notification one (or more) process by another
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//
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// DESCRIPTION:
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//
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//
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class TEventFlag
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{
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public:
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enum TValue { efOn = 1, efOff= 0 }; // prefix 'ef' means: "Event Flag"
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public:
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INLINE TEventFlag(TValue init_val = efOff) : ProcessMap(0), Value(init_val) { }
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bool Wait(TTimeout timeout = 0);
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void Signal();
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INLINE void Clear() { TCritSect cs; Value = efOff; }
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INLINE inline void SignalISR();
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INLINE bool IsSignaled() { TCritSect cs; if(Value == efOn) return true; else return false; }
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private:
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TProcessMap ProcessMap;
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TValue Value;
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};
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//--------------------------------------------------------------------------
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//--------------------------------------------------------------------------
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//
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/// TChannel
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///
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/// Byte-wide data channel for transferring "raw" data
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//
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// DESCRIPTION:
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//
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//
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class TChannel
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{
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public:
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INLINE TChannel(byte* buf, byte size) : Cbuf(buf, size) { }
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void Push(byte x);
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byte Pop();
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void Write(const byte* data, const byte count);
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void Read(byte* const data, const byte count);
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INLINE byte GetCount() const { TCritSect cs; return Cbuf.get_count(); }
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private:
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TProcessMap ProducersProcessMap;
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TProcessMap ConsumersProcessMap;
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usr::TCbuf Cbuf;
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private:
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void CheckWaiters(TProcessMap& pm);
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};
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//--------------------------------------------------------------------------
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//--------------------------------------------------------------------------
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//
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// NAME : channel
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//
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// PURPOSE : Data channel for transferring data
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// objects of arbitrary type
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//
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// DESCRIPTION:
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//
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//
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template<typename T, word Size, typename S = byte>
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/// channel
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///
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/// Data channel for transferring data objects of arbitrary type
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class channel
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{
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public:
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INLINE channel() : ProducersProcessMap(0)
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, ConsumersProcessMap(0)
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, pool()
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{
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}
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//----------------------------------------------------------------
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//
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// Data transfer functions
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//
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void write(const T* data, const S cnt);
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bool read (T* const data, const S cnt, TTimeout timeout = 0);
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void push (const T& item);
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void push_front(const T& item);
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bool pop (T& item, TTimeout timeout = 0);
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bool pop_back(T& item, TTimeout timeout = 0);
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//----------------------------------------------------------------
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//
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// Service functions
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//
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INLINE S get_count() const { TCritSect cs; return pool.get_count(); }
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INLINE S get_free_size() const { TCritSect cs; return pool.get_free_size(); }
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void flush();
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//const T& operator[](const S index) { TCritSect cs; return pool[index]; }
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private:
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TProcessMap ProducersProcessMap;
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TProcessMap ConsumersProcessMap;
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usr::ring_buffer<T, Size, S> pool;
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private:
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void CheckWaiters(TProcessMap& pm);
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};
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//--------------------------------------------------------------------------
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//--------------------------------------------------------------------------
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//
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/// message
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///
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/// Template for messages
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//
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// DESCRIPTION:
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//
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//
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class TBaseMessage
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{
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public:
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INLINE TBaseMessage() : ProcessMap(0), NonEmpty(false) { }
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bool wait (TTimeout timeout = 0);
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void send();
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INLINE inline void sendISR();
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INLINE bool is_non_empty() const { TCritSect cs; return NonEmpty; }
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INLINE void reset () { TCritSect cs; NonEmpty = false; }
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private:
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TProcessMap ProcessMap;
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bool NonEmpty;
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};
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//--------------------------------------------------------------------------
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template<typename T>
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class message : public TBaseMessage
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{
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public:
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INLINE message() : TBaseMessage() { }
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INLINE const T& operator=(const T& msg) { TCritSect cs; Msg = msg; return Msg; }
|
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0:331db0b44b67
|
224
|
INLINE operator T() const { TCritSect cs; return Msg; }
|
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0:331db0b44b67
|
225
|
|
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0:331db0b44b67
|
226
|
private:
|
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0:331db0b44b67
|
227
|
T Msg;
|
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0:331db0b44b67
|
228
|
};
|
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0:331db0b44b67
|
229
|
//--------------------------------------------------------------------------
|
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0:331db0b44b67
|
230
|
}
|
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0:331db0b44b67
|
231
|
//------------------------------------------------------------------------------
|
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0:331db0b44b67
|
232
|
//
|
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0:331db0b44b67
|
233
|
// Function-members implementation
|
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0:331db0b44b67
|
234
|
//
|
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0:331db0b44b67
|
235
|
//------------------------------------------------------------------------------
|
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0:331db0b44b67
|
236
|
void OS::TEventFlag::SignalISR()
|
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0:331db0b44b67
|
237
|
{
|
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0:331db0b44b67
|
238
|
TCritSect cs;
|
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0:331db0b44b67
|
239
|
if(ProcessMap) // if any process waits for event
|
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0:331db0b44b67
|
240
|
{
|
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0:331db0b44b67
|
241
|
TProcessMap Timeouted = Kernel.ReadyProcessMap; // Process has its tag set in ReadyProcessMap if timeout
|
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0:331db0b44b67
|
242
|
// expired, or it was waked up by OS::ForceWakeUpProcess()
|
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0:331db0b44b67
|
243
|
if( ProcessMap & ~Timeouted ) // if any process has to be waked up
|
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0:331db0b44b67
|
244
|
{
|
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0:331db0b44b67
|
245
|
SetPrioTag(Kernel.ReadyProcessMap, ProcessMap); // place all waiting processes to the ready map
|
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0:331db0b44b67
|
246
|
ClrPrioTag(ProcessMap, ~Timeouted); // remove all non-timeouted processes from the waiting map.
|
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0:331db0b44b67
|
247
|
return;
|
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0:331db0b44b67
|
248
|
}
|
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0:331db0b44b67
|
249
|
}
|
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0:331db0b44b67
|
250
|
Value = efOn;
|
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0:331db0b44b67
|
251
|
}
|
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0:331db0b44b67
|
252
|
//------------------------------------------------------------------------------
|
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|
253
|
template<typename T, word Size, typename S>
|
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|
254
|
void OS::channel<T, Size, S>::CheckWaiters(TProcessMap& pm)
|
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0:331db0b44b67
|
255
|
{
|
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0:331db0b44b67
|
256
|
if(pm)
|
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0:331db0b44b67
|
257
|
{
|
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0:331db0b44b67
|
258
|
TProcessMap Timeouted = Kernel.ReadyProcessMap;
|
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0:331db0b44b67
|
259
|
|
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0:331db0b44b67
|
260
|
SetPrioTag(Kernel.ReadyProcessMap, pm); // place all waiting processes to the ready map
|
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0:331db0b44b67
|
261
|
ClrPrioTag(pm, ~Timeouted); // remove waiting processes from the wait map
|
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0:331db0b44b67
|
262
|
Kernel.Scheduler();
|
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0:331db0b44b67
|
263
|
}
|
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0:331db0b44b67
|
264
|
}
|
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0:331db0b44b67
|
265
|
//------------------------------------------------------------------------------
|
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0:331db0b44b67
|
266
|
template<typename T, word Size, typename S>
|
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0:331db0b44b67
|
267
|
void OS::channel<T, Size, S>::push(const T& item)
|
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0:331db0b44b67
|
268
|
{
|
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0:331db0b44b67
|
269
|
TCritSect cs;
|
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0:331db0b44b67
|
270
|
|
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0:331db0b44b67
|
271
|
while(!pool.get_free_size())
|
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0:331db0b44b67
|
272
|
{
|
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0:331db0b44b67
|
273
|
TProcessMap PrioTag = GetPrioTag(Kernel.CurProcPriority);
|
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0:331db0b44b67
|
274
|
SetPrioTag(ProducersProcessMap, PrioTag); // channel is full, put current process to the wait map
|
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0:331db0b44b67
|
275
|
ClrPrioTag(Kernel.ReadyProcessMap, PrioTag); // remove current process from the ready map
|
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0:331db0b44b67
|
276
|
Kernel.Scheduler();
|
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0:331db0b44b67
|
277
|
}
|
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0:331db0b44b67
|
278
|
|
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0:331db0b44b67
|
279
|
pool.push_back(item);
|
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0:331db0b44b67
|
280
|
CheckWaiters(ConsumersProcessMap);
|
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0:331db0b44b67
|
281
|
}
|
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0:331db0b44b67
|
282
|
//------------------------------------------------------------------------------
|
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0:331db0b44b67
|
283
|
template<typename T, word Size, typename S>
|
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0:331db0b44b67
|
284
|
void OS::channel<T, Size, S>::push_front(const T& item)
|
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0:331db0b44b67
|
285
|
{
|
mbed714 |
0:331db0b44b67
|
286
|
TCritSect cs;
|
mbed714 |
0:331db0b44b67
|
287
|
|
mbed714 |
0:331db0b44b67
|
288
|
while(!pool.get_free_size())
|
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0:331db0b44b67
|
289
|
{
|
mbed714 |
0:331db0b44b67
|
290
|
TProcessMap PrioTag = GetPrioTag(Kernel.CurProcPriority);
|
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0:331db0b44b67
|
291
|
SetPrioTag(ProducersProcessMap, PrioTag); // channel is full, put current process to the wait map
|
mbed714 |
0:331db0b44b67
|
292
|
ClrPrioTag(Kernel.ReadyProcessMap, PrioTag); // remove current process from the ready map
|
mbed714 |
0:331db0b44b67
|
293
|
Kernel.Scheduler();
|
mbed714 |
0:331db0b44b67
|
294
|
}
|
mbed714 |
0:331db0b44b67
|
295
|
|
mbed714 |
0:331db0b44b67
|
296
|
pool.push_front(item);
|
mbed714 |
0:331db0b44b67
|
297
|
CheckWaiters(ConsumersProcessMap);
|
mbed714 |
0:331db0b44b67
|
298
|
}
|
mbed714 |
0:331db0b44b67
|
299
|
//------------------------------------------------------------------------------
|
mbed714 |
0:331db0b44b67
|
300
|
template<typename T, word Size, typename S>
|
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0:331db0b44b67
|
301
|
bool OS::channel<T, Size, S>::pop(T& item, TTimeout timeout)
|
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0:331db0b44b67
|
302
|
{
|
mbed714 |
0:331db0b44b67
|
303
|
TCritSect cs;
|
mbed714 |
0:331db0b44b67
|
304
|
|
mbed714 |
0:331db0b44b67
|
305
|
if(pool.get_count())
|
mbed714 |
0:331db0b44b67
|
306
|
{
|
mbed714 |
0:331db0b44b67
|
307
|
item = pool.pop();
|
mbed714 |
0:331db0b44b67
|
308
|
CheckWaiters(ProducersProcessMap);
|
mbed714 |
0:331db0b44b67
|
309
|
return true;
|
mbed714 |
0:331db0b44b67
|
310
|
}
|
mbed714 |
0:331db0b44b67
|
311
|
else
|
mbed714 |
0:331db0b44b67
|
312
|
{
|
mbed714 |
0:331db0b44b67
|
313
|
TBaseProcess* p = Kernel.ProcessTable[Kernel.CurProcPriority];
|
mbed714 |
0:331db0b44b67
|
314
|
p->Timeout = timeout;
|
mbed714 |
0:331db0b44b67
|
315
|
|
mbed714 |
0:331db0b44b67
|
316
|
TProcessMap PrioTag = GetPrioTag(Kernel.CurProcPriority);
|
mbed714 |
0:331db0b44b67
|
317
|
for(;;)
|
mbed714 |
0:331db0b44b67
|
318
|
{
|
mbed714 |
0:331db0b44b67
|
319
|
SetPrioTag(ConsumersProcessMap, PrioTag); // channel is empty, put current process to the wait map
|
mbed714 |
0:331db0b44b67
|
320
|
ClrPrioTag(Kernel.ReadyProcessMap, PrioTag); // remove current process from the ready map
|
mbed714 |
0:331db0b44b67
|
321
|
Kernel.Scheduler();
|
mbed714 |
0:331db0b44b67
|
322
|
|
mbed714 |
0:331db0b44b67
|
323
|
if(pool.get_count())
|
mbed714 |
0:331db0b44b67
|
324
|
{
|
mbed714 |
0:331db0b44b67
|
325
|
p->Timeout = 0;
|
mbed714 |
0:331db0b44b67
|
326
|
item = pool.pop();
|
mbed714 |
0:331db0b44b67
|
327
|
CheckWaiters(ProducersProcessMap);
|
mbed714 |
0:331db0b44b67
|
328
|
return true;
|
mbed714 |
0:331db0b44b67
|
329
|
}
|
mbed714 |
0:331db0b44b67
|
330
|
|
mbed714 |
0:331db0b44b67
|
331
|
if(ConsumersProcessMap & PrioTag) // waked up by timer when timeout expired
|
mbed714 |
0:331db0b44b67
|
332
|
{ // or by OS::ForceWakeUpProcess()
|
mbed714 |
0:331db0b44b67
|
333
|
|
mbed714 |
0:331db0b44b67
|
334
|
p->Timeout = 0; // non-zero if waked up by ForceWakeUpProcess()
|
mbed714 |
0:331db0b44b67
|
335
|
ClrPrioTag(ConsumersProcessMap, PrioTag); // remove current process from the wait map
|
mbed714 |
0:331db0b44b67
|
336
|
return false;
|
mbed714 |
0:331db0b44b67
|
337
|
}
|
mbed714 |
0:331db0b44b67
|
338
|
}
|
mbed714 |
0:331db0b44b67
|
339
|
}
|
mbed714 |
0:331db0b44b67
|
340
|
}
|
mbed714 |
0:331db0b44b67
|
341
|
//------------------------------------------------------------------------------
|
mbed714 |
0:331db0b44b67
|
342
|
template<typename T, word Size, typename S>
|
mbed714 |
0:331db0b44b67
|
343
|
bool OS::channel<T, Size, S>::pop_back(T& item, TTimeout timeout)
|
mbed714 |
0:331db0b44b67
|
344
|
{
|
mbed714 |
0:331db0b44b67
|
345
|
TCritSect cs;
|
mbed714 |
0:331db0b44b67
|
346
|
|
mbed714 |
0:331db0b44b67
|
347
|
if(pool.get_count())
|
mbed714 |
0:331db0b44b67
|
348
|
{
|
mbed714 |
0:331db0b44b67
|
349
|
item = pool.pop_back();
|
mbed714 |
0:331db0b44b67
|
350
|
CheckWaiters(ProducersProcessMap);
|
mbed714 |
0:331db0b44b67
|
351
|
return true;
|
mbed714 |
0:331db0b44b67
|
352
|
}
|
mbed714 |
0:331db0b44b67
|
353
|
else
|
mbed714 |
0:331db0b44b67
|
354
|
{
|
mbed714 |
0:331db0b44b67
|
355
|
TBaseProcess* p = Kernel.ProcessTable[Kernel.CurProcPriority];
|
mbed714 |
0:331db0b44b67
|
356
|
p->Timeout = timeout;
|
mbed714 |
0:331db0b44b67
|
357
|
|
mbed714 |
0:331db0b44b67
|
358
|
TProcessMap PrioTag = GetPrioTag(Kernel.CurProcPriority);
|
mbed714 |
0:331db0b44b67
|
359
|
for(;;)
|
mbed714 |
0:331db0b44b67
|
360
|
{
|
mbed714 |
0:331db0b44b67
|
361
|
SetPrioTag(ConsumersProcessMap, PrioTag); // channel is empty, put current process to the wait map
|
mbed714 |
0:331db0b44b67
|
362
|
ClrPrioTag(Kernel.ReadyProcessMap, PrioTag); // remove current process from the ready map
|
mbed714 |
0:331db0b44b67
|
363
|
Kernel.Scheduler();
|
mbed714 |
0:331db0b44b67
|
364
|
|
mbed714 |
0:331db0b44b67
|
365
|
if(pool.get_count())
|
mbed714 |
0:331db0b44b67
|
366
|
{
|
mbed714 |
0:331db0b44b67
|
367
|
p->Timeout = 0;
|
mbed714 |
0:331db0b44b67
|
368
|
item = pool.pop_back();
|
mbed714 |
0:331db0b44b67
|
369
|
CheckWaiters(ProducersProcessMap);
|
mbed714 |
0:331db0b44b67
|
370
|
return true;
|
mbed714 |
0:331db0b44b67
|
371
|
}
|
mbed714 |
0:331db0b44b67
|
372
|
|
mbed714 |
0:331db0b44b67
|
373
|
if(ConsumersProcessMap & PrioTag) // waked up by timer when timeout expired
|
mbed714 |
0:331db0b44b67
|
374
|
{ // or by OS::ForceWakeUpProcess()
|
mbed714 |
0:331db0b44b67
|
375
|
|
mbed714 |
0:331db0b44b67
|
376
|
p->Timeout = 0; // non-zero if waked up by ForceWakeUpProcess()
|
mbed714 |
0:331db0b44b67
|
377
|
ClrPrioTag(ConsumersProcessMap, PrioTag); // remove current process from the wait map
|
mbed714 |
0:331db0b44b67
|
378
|
return false;
|
mbed714 |
0:331db0b44b67
|
379
|
}
|
mbed714 |
0:331db0b44b67
|
380
|
}
|
mbed714 |
0:331db0b44b67
|
381
|
}
|
mbed714 |
0:331db0b44b67
|
382
|
}
|
mbed714 |
0:331db0b44b67
|
383
|
//------------------------------------------------------------------------------
|
mbed714 |
0:331db0b44b67
|
384
|
template<typename T, word Size, typename S>
|
mbed714 |
0:331db0b44b67
|
385
|
void OS::channel<T, Size, S>::flush()
|
mbed714 |
0:331db0b44b67
|
386
|
{
|
mbed714 |
0:331db0b44b67
|
387
|
TCritSect cs;
|
mbed714 |
0:331db0b44b67
|
388
|
pool.flush();
|
mbed714 |
0:331db0b44b67
|
389
|
CheckWaiters(ProducersProcessMap);
|
mbed714 |
0:331db0b44b67
|
390
|
}
|
mbed714 |
0:331db0b44b67
|
391
|
//------------------------------------------------------------------------------
|
mbed714 |
0:331db0b44b67
|
392
|
template<typename T, word Size, typename S>
|
mbed714 |
0:331db0b44b67
|
393
|
void OS::channel<T, Size, S>::write(const T* data, const S count)
|
mbed714 |
0:331db0b44b67
|
394
|
{
|
mbed714 |
0:331db0b44b67
|
395
|
TCritSect cs;
|
mbed714 |
0:331db0b44b67
|
396
|
|
mbed714 |
0:331db0b44b67
|
397
|
while(pool.get_free_size() < count)
|
mbed714 |
0:331db0b44b67
|
398
|
{
|
mbed714 |
0:331db0b44b67
|
399
|
TProcessMap PrioTag = GetPrioTag(Kernel.CurProcPriority);
|
mbed714 |
0:331db0b44b67
|
400
|
SetPrioTag(ProducersProcessMap, PrioTag); // channel does not have enough space, put current process to the wait map
|
mbed714 |
0:331db0b44b67
|
401
|
ClrPrioTag(Kernel.ReadyProcessMap, PrioTag); // remove current process from the ready map
|
mbed714 |
0:331db0b44b67
|
402
|
Kernel.Scheduler();
|
mbed714 |
0:331db0b44b67
|
403
|
}
|
mbed714 |
0:331db0b44b67
|
404
|
|
mbed714 |
0:331db0b44b67
|
405
|
pool.write(data, count);
|
mbed714 |
0:331db0b44b67
|
406
|
CheckWaiters(ConsumersProcessMap);
|
mbed714 |
0:331db0b44b67
|
407
|
}
|
mbed714 |
0:331db0b44b67
|
408
|
//------------------------------------------------------------------------------
|
mbed714 |
0:331db0b44b67
|
409
|
template<typename T, word Size, typename S>
|
mbed714 |
0:331db0b44b67
|
410
|
bool OS::channel<T, Size, S>::read(T* const data, const S count, TTimeout timeout)
|
mbed714 |
0:331db0b44b67
|
411
|
{
|
mbed714 |
0:331db0b44b67
|
412
|
TCritSect cs;
|
mbed714 |
0:331db0b44b67
|
413
|
|
mbed714 |
0:331db0b44b67
|
414
|
TBaseProcess* p = Kernel.ProcessTable[Kernel.CurProcPriority];
|
mbed714 |
0:331db0b44b67
|
415
|
p->Timeout = timeout;
|
mbed714 |
0:331db0b44b67
|
416
|
|
mbed714 |
0:331db0b44b67
|
417
|
TProcessMap PrioTag = GetPrioTag(Kernel.CurProcPriority);
|
mbed714 |
0:331db0b44b67
|
418
|
while(pool.get_count() < count)
|
mbed714 |
0:331db0b44b67
|
419
|
{
|
mbed714 |
0:331db0b44b67
|
420
|
SetPrioTag(ConsumersProcessMap, PrioTag); // channel doesn't contain enough data, put current process to the wait map
|
mbed714 |
0:331db0b44b67
|
421
|
ClrPrioTag(Kernel.ReadyProcessMap, PrioTag); // remove current process from the ready map
|
mbed714 |
0:331db0b44b67
|
422
|
Kernel.Scheduler();
|
mbed714 |
0:331db0b44b67
|
423
|
|
mbed714 |
0:331db0b44b67
|
424
|
if(ConsumersProcessMap & PrioTag) // waked up by timer when timeout expired
|
mbed714 |
0:331db0b44b67
|
425
|
{ // or by OS::ForceWakeUpProcess()
|
mbed714 |
0:331db0b44b67
|
426
|
|
mbed714 |
0:331db0b44b67
|
427
|
p->Timeout = 0; // non-zero if waked up by ForceWakeUpProcess()
|
mbed714 |
0:331db0b44b67
|
428
|
ClrPrioTag(ConsumersProcessMap, PrioTag); // remove current process from the wait map
|
mbed714 |
0:331db0b44b67
|
429
|
return false;
|
mbed714 |
0:331db0b44b67
|
430
|
}
|
mbed714 |
0:331db0b44b67
|
431
|
}
|
mbed714 |
0:331db0b44b67
|
432
|
|
mbed714 |
0:331db0b44b67
|
433
|
p->Timeout = 0;
|
mbed714 |
0:331db0b44b67
|
434
|
pool.read(data, count);
|
mbed714 |
0:331db0b44b67
|
435
|
CheckWaiters(ProducersProcessMap);
|
mbed714 |
0:331db0b44b67
|
436
|
|
mbed714 |
0:331db0b44b67
|
437
|
return true;
|
mbed714 |
0:331db0b44b67
|
438
|
}
|
mbed714 |
0:331db0b44b67
|
439
|
//------------------------------------------------------------------------------
|
mbed714 |
0:331db0b44b67
|
440
|
|
mbed714 |
0:331db0b44b67
|
441
|
//------------------------------------------------------------------------------
|
mbed714 |
0:331db0b44b67
|
442
|
//
|
mbed714 |
0:331db0b44b67
|
443
|
// OS::message template
|
mbed714 |
0:331db0b44b67
|
444
|
//
|
mbed714 |
0:331db0b44b67
|
445
|
// Function-members implementation
|
mbed714 |
0:331db0b44b67
|
446
|
//
|
mbed714 |
0:331db0b44b67
|
447
|
//
|
mbed714 |
0:331db0b44b67
|
448
|
//------------------------------------------------------------------------------
|
mbed714 |
0:331db0b44b67
|
449
|
void OS::TBaseMessage::sendISR()
|
mbed714 |
0:331db0b44b67
|
450
|
{
|
mbed714 |
0:331db0b44b67
|
451
|
TCritSect cs;
|
mbed714 |
0:331db0b44b67
|
452
|
|
mbed714 |
0:331db0b44b67
|
453
|
if(ProcessMap)
|
mbed714 |
0:331db0b44b67
|
454
|
{
|
mbed714 |
0:331db0b44b67
|
455
|
TProcessMap Timeouted = OS::Kernel.ReadyProcessMap; // Process has it's tag set in ReadyProcessMap if timeout
|
mbed714 |
0:331db0b44b67
|
456
|
// expired, or it was waked up by OS::ForceWakeUpProcess()
|
mbed714 |
0:331db0b44b67
|
457
|
if( ProcessMap & ~Timeouted ) // if any process has to be waked up
|
mbed714 |
0:331db0b44b67
|
458
|
{
|
mbed714 |
0:331db0b44b67
|
459
|
SetPrioTag(Kernel.ReadyProcessMap, ProcessMap); // place all waiting processes to the ready map
|
mbed714 |
0:331db0b44b67
|
460
|
ClrPrioTag(ProcessMap, ~Timeouted); // remove all non-timeouted processes from the waiting map.
|
mbed714 |
0:331db0b44b67
|
461
|
return;
|
mbed714 |
0:331db0b44b67
|
462
|
}
|
mbed714 |
0:331db0b44b67
|
463
|
}
|
mbed714 |
0:331db0b44b67
|
464
|
NonEmpty = true;
|
mbed714 |
0:331db0b44b67
|
465
|
}
|
mbed714 |
0:331db0b44b67
|
466
|
//------------------------------------------------------------------------------
|
mbed714 |
0:331db0b44b67
|
467
|
#endif // OS_SERVICES_H
|