// Copyright (c) 2003-2009 Nokia Corporation and/or its subsidiary(-ies).

// All rights reserved.

// This component and the accompanying materials are made available

// under the terms of the License "Eclipse Public License v1.0"

// which accompanies this distribution, and is available

// at the URL "http://www.eclipse.org/legal/epl-v10.html".

//

// Initial Contributors:

// Nokia Corporation - initial contribution.

//

// Contributors:

//

// Description:

// e32test\personality\example\isr.cpp

// Test code for example RTOS personality.

// 

//

#include "plat_priv.h"

#include <personality/example/personality.h>

#if defined(__MAWD__)

#include <windermere.h>

#elif defined(__MISA__)

#define __ISR_SUPPORTED__

#include <sa1100.h>

#elif defined(__MCOT__)

#define __ISR_SUPPORTED__

#include <cotulla.h>

#elif defined(__MI920__) || defined(__NI1136__)

#include <integratorap.h>

#elif defined(__EPOC32__) && defined(__CPU_X86)

#include <x86.h>

#endif

#ifdef __ISR_SUPPORTED__

#include "../../misc/prbs.h"

#endif

extern "C" void stop_random_isr(void);

typedef void (*isr_entry)(unsigned);

volatile TUint RandomSeed[2] = {0xb504f333u, 0xf9de6484u};

volatile isr_entry IsrVector = 0;

volatile TUint IsrCount = 0;

void timer_isr(void*)

	{

#if defined(__MISA__) 

	TUint interval = Random((TUint*)RandomSeed);

	interval &= 0x3ff;

	interval += 256;	// 256-1279 ticks = approx 69 to 347 microseconds

	TUint oscr=TSa1100::OstData();

	TSa1100::SetOstMatch(KHwOstMatchGeneral, oscr + interval);

	TSa1100::SetOstMatchEOI(KHwOstMatchGeneral);

#elif defined(__MCOT__)

	TUint interval = Random((TUint*)RandomSeed);

	interval &= 0x3ff;

	interval += 256;	// 256-1279 ticks = approx 69 to 347 microseconds

	TUint oscr=TCotulla::OstData();

	TCotulla::SetOstMatch(KHwOstMatchGeneral, oscr + interval);

	TCotulla::SetOstMatchEOI(KHwOstMatchGeneral);

#endif

	(*IsrVector)(IsrCount++);

	}

#ifdef __ISR_SUPPORTED__

void start_timer(void)

	{

#if defined(__MISA__) 

	// for SA11x0 use OST match 0

	TInt r=Interrupt::Bind(KIntIdOstMatchGeneral, &timer_isr, 0);

	assert(r==KErrNone);

	TSa1100::ModifyIntLevels(0,KHtIntsOstMatchGeneral);	// route new timer interrupt to FIQ

	TSa1100::SetOstMatchEOI(KHwOstMatchGeneral);

	TUint oscr=TSa1100::OstData();

	TSa1100::SetOstMatch(KHwOstMatchGeneral, oscr + 5000);

	TSa1100::EnableOstInterrupt(KHwOstMatchGeneral);

	Interrupt::Enable(KIntIdOstMatchGeneral);

#elif defined(__MCOT__)

	// for SA11x0 use OST match 0

	TInt r=Interrupt::Bind(KIntIdOstMatchGeneral, &timer_isr, 0);

	assert(r==KErrNone);

	TCotulla::ModifyIntLevels(0,KHtIntsOstMatchGeneral);	// route new timer interrupt to FIQ

	TCotulla::SetOstMatchEOI(KHwOstMatchGeneral);

	TUint oscr=TCotulla::OstData();

	TCotulla::SetOstMatch(KHwOstMatchGeneral, oscr + 5000);

	TCotulla::EnableOstInterrupt(KHwOstMatchGeneral);

	Interrupt::Enable(KIntIdOstMatchGeneral);

#endif

	}

#endif

extern "C" int start_random_isr(isr_entry vector)

	{

	stop_random_isr();

	IsrVector = vector;

#ifdef __ISR_SUPPORTED__

	start_timer();

	return OK;

#else

	return KErrNotSupported;

#endif

	}

extern "C" void stop_random_isr(void)

	{

#if defined(__MISA__) 

	Interrupt::Disable(KIntIdOstMatchGeneral);

	Interrupt::Unbind(KIntIdOstMatchGeneral);

#elif defined(__MCOT__)

	Interrupt::Disable(KIntIdOstMatchGeneral);

	Interrupt::Unbind(KIntIdOstMatchGeneral);

#endif

	IsrVector = 0;

	}