sl@0: // Copyright (c) 2003-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of the License "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: // e32test\personality\example\isr.cpp
sl@0: // Test code for example RTOS personality.
sl@0: // 
sl@0: //
sl@0: 
sl@0: #include "plat_priv.h"
sl@0: #include <personality/example/personality.h>
sl@0: 
sl@0: #if defined(__MAWD__)
sl@0: #include <windermere.h>
sl@0: #elif defined(__MISA__)
sl@0: #define __ISR_SUPPORTED__
sl@0: #include <sa1100.h>
sl@0: #elif defined(__MCOT__)
sl@0: #define __ISR_SUPPORTED__
sl@0: #include <cotulla.h>
sl@0: #elif defined(__MI920__) || defined(__NI1136__)
sl@0: #include <integratorap.h>
sl@0: #elif defined(__EPOC32__) && defined(__CPU_X86)
sl@0: #include <x86.h>
sl@0: #endif
sl@0: 
sl@0: #ifdef __ISR_SUPPORTED__
sl@0: #include "../../misc/prbs.h"
sl@0: #endif
sl@0: 
sl@0: extern "C" void stop_random_isr(void);
sl@0: 
sl@0: typedef void (*isr_entry)(unsigned);
sl@0: 
sl@0: volatile TUint RandomSeed[2] = {0xb504f333u, 0xf9de6484u};
sl@0: volatile isr_entry IsrVector = 0;
sl@0: volatile TUint IsrCount = 0;
sl@0: 
sl@0: void timer_isr(void*)
sl@0: 	{
sl@0: #if defined(__MISA__) 
sl@0: 	TUint interval = Random((TUint*)RandomSeed);
sl@0: 	interval &= 0x3ff;
sl@0: 	interval += 256;	// 256-1279 ticks = approx 69 to 347 microseconds
sl@0: 	TUint oscr=TSa1100::OstData();
sl@0: 	TSa1100::SetOstMatch(KHwOstMatchGeneral, oscr + interval);
sl@0: 	TSa1100::SetOstMatchEOI(KHwOstMatchGeneral);
sl@0: #elif defined(__MCOT__)
sl@0: 	TUint interval = Random((TUint*)RandomSeed);
sl@0: 	interval &= 0x3ff;
sl@0: 	interval += 256;	// 256-1279 ticks = approx 69 to 347 microseconds
sl@0: 	TUint oscr=TCotulla::OstData();
sl@0: 	TCotulla::SetOstMatch(KHwOstMatchGeneral, oscr + interval);
sl@0: 	TCotulla::SetOstMatchEOI(KHwOstMatchGeneral);
sl@0: #endif
sl@0: 	(*IsrVector)(IsrCount++);
sl@0: 	}
sl@0: 
sl@0: #ifdef __ISR_SUPPORTED__
sl@0: void start_timer(void)
sl@0: 	{
sl@0: #if defined(__MISA__) 
sl@0: 	// for SA11x0 use OST match 0
sl@0: 	TInt r=Interrupt::Bind(KIntIdOstMatchGeneral, &timer_isr, 0);
sl@0: 	assert(r==KErrNone);
sl@0: 	TSa1100::ModifyIntLevels(0,KHtIntsOstMatchGeneral);	// route new timer interrupt to FIQ
sl@0: 	TSa1100::SetOstMatchEOI(KHwOstMatchGeneral);
sl@0: 	TUint oscr=TSa1100::OstData();
sl@0: 	TSa1100::SetOstMatch(KHwOstMatchGeneral, oscr + 5000);
sl@0: 	TSa1100::EnableOstInterrupt(KHwOstMatchGeneral);
sl@0: 	Interrupt::Enable(KIntIdOstMatchGeneral);
sl@0: #elif defined(__MCOT__)
sl@0: 	// for SA11x0 use OST match 0
sl@0: 	TInt r=Interrupt::Bind(KIntIdOstMatchGeneral, &timer_isr, 0);
sl@0: 	assert(r==KErrNone);
sl@0: 	TCotulla::ModifyIntLevels(0,KHtIntsOstMatchGeneral);	// route new timer interrupt to FIQ
sl@0: 	TCotulla::SetOstMatchEOI(KHwOstMatchGeneral);
sl@0: 	TUint oscr=TCotulla::OstData();
sl@0: 	TCotulla::SetOstMatch(KHwOstMatchGeneral, oscr + 5000);
sl@0: 	TCotulla::EnableOstInterrupt(KHwOstMatchGeneral);
sl@0: 	Interrupt::Enable(KIntIdOstMatchGeneral);
sl@0: #endif
sl@0: 	}
sl@0: #endif
sl@0: 
sl@0: extern "C" int start_random_isr(isr_entry vector)
sl@0: 	{
sl@0: 	stop_random_isr();
sl@0: 	IsrVector = vector;
sl@0: #ifdef __ISR_SUPPORTED__
sl@0: 	start_timer();
sl@0: 	return OK;
sl@0: #else
sl@0: 	return KErrNotSupported;
sl@0: #endif
sl@0: 	}
sl@0: 
sl@0: extern "C" void stop_random_isr(void)
sl@0: 	{
sl@0: #if defined(__MISA__) 
sl@0: 	Interrupt::Disable(KIntIdOstMatchGeneral);
sl@0: 	Interrupt::Unbind(KIntIdOstMatchGeneral);
sl@0: #elif defined(__MCOT__)
sl@0: 	Interrupt::Disable(KIntIdOstMatchGeneral);
sl@0: 	Interrupt::Unbind(KIntIdOstMatchGeneral);
sl@0: #endif
sl@0: 	IsrVector = 0;
sl@0: 	}
sl@0: