--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/kerneltest/e32test/benchmark/bm_ne1_pdd.cpp Mon Oct 19 15:55:17 2009 +0100
@@ -0,0 +1,197 @@
+// Copyright (c) 2002-2009 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:
+//
+
+#include <kernel/kernel.h>
+#include <upd35001_timer.h>
+
+#include "k32bm.h"
+
+class DBMNE1Device : public DPhysicalDevice
+ {
+public:
+ DBMNE1Device();
+ virtual TInt Install();
+ virtual void GetCaps(TDes8& aDes) const;
+ virtual TInt Create(DBase*& aChannel, TInt aUnit, const TDesC8* anInfo, const TVersion& aVer);
+ virtual TInt Validate(TInt aUnit, const TDesC8* anInfo, const TVersion& aVer);
+ };
+
+class DBMNE1Channel : public DBMPChannel
+ {
+public:
+ DBMNE1Channel();
+ ~DBMNE1Channel();
+ virtual TBMTicks TimerPeriod();
+ virtual TBMTicks TimerStamp();
+ virtual TBMNs TimerTicksToNs(TBMTicks);
+ virtual TBMTicks TimerNsToTicks(TBMNs);
+ virtual TInt BindInterrupt(MBMIsr*);
+ virtual TInt BindInterrupt(MBMInterruptLatencyIsr*);
+ virtual void RequestInterrupt();
+ virtual void CancelInterrupt();
+
+private:
+ static const TBMTicks KBMNE1Period = (((TBMTicks) 1) << 32);
+
+ static void Isr(TAny*);
+
+ MBMIsr* iIsr;
+ MBMInterruptLatencyIsr* iInterruptLatencyIsr;
+ TUint iPrescale;
+ TUint iNsPerTick;
+ NTimer iTimer;
+ volatile TUint iStartCount;
+ volatile TUint iRunCount;
+ volatile TUint iCancelCount;
+ };
+
+
+DECLARE_STANDARD_PDD()
+//
+// Create a new device
+//
+ {
+ __ASSERT_CRITICAL;
+ return new DBMNE1Device;
+ }
+
+DBMNE1Device::DBMNE1Device()
+//
+// Constructor
+//
+ {
+ //iUnitsMask=0;
+ iVersion = TVersion(1,0,1);
+ }
+
+TInt DBMNE1Device::Install()
+//
+// Install the device driver.
+//
+ {
+ TInt r = SetName(&KBMPdName);
+ return r;
+ }
+
+void DBMNE1Device::GetCaps(TDes8& aDes) const
+//
+// Return the Comm capabilities.
+//
+ {
+ }
+
+TInt DBMNE1Device::Create(DBase*& aChannel, TInt /*aUnit*/, const TDesC8* /*aInfo*/, const TVersion& /*aVer*/)
+//
+// Create a channel on the device.
+//
+ {
+ __ASSERT_CRITICAL;
+ aChannel = new DBMNE1Channel;
+ return aChannel?KErrNone:KErrNoMemory;
+ }
+
+TInt DBMNE1Device::Validate(TInt /*aUnit*/, const TDesC8* /*anInfo*/, const TVersion& aVer)
+ {
+ if (!Kern::QueryVersionSupported(iVersion,aVer))
+ {
+ return KErrNotSupported;
+ }
+ return KErrNone;
+ }
+
+DBMNE1Channel::DBMNE1Channel()
+ : iTimer(&Isr, this)
+ {
+ // iIsr = NULL;
+ // iInterruptLatencyIsr = NULL;
+ NETimer& T2 = NETimer::Timer(2);
+ iPrescale = __e32_find_ms1_32(T2.iPrescaler & 0x3f);
+ iNsPerTick = 15u << iPrescale;
+ }
+
+DBMNE1Channel::~DBMNE1Channel()
+ {
+ CancelInterrupt();
+ }
+
+TBMTicks DBMNE1Channel::TimerPeriod()
+ {
+ return KBMNE1Period;
+ }
+
+TBMTicks DBMNE1Channel::TimerStamp()
+ {
+ return NETimer::Timer(2).iTimerCount;
+ }
+
+TBMNs DBMNE1Channel::TimerTicksToNs(TBMTicks ticks)
+ {
+ return ticks * (TBMTicks)iNsPerTick;
+ }
+
+TBMTicks DBMNE1Channel::TimerNsToTicks(TBMNs ns)
+ {
+ return ns / (TBMTicks)iNsPerTick;
+ }
+
+void DBMNE1Channel::Isr(TAny* ptr)
+ {
+ DBMNE1Channel* mCh = (DBMNE1Channel*) ptr;
+ BM_ASSERT(mCh->iIsr || mCh->iInterruptLatencyIsr);
+ if (mCh->iIsr)
+ {
+ mCh->iIsr->Isr(NETimer::Timer(2).iTimerCount);
+ }
+ else
+ {
+ TUint x = NETimer::Timer(0).iTimerCount;
+ x = (x + (1u<<mCh->iPrescale) - 1) >> mCh->iPrescale;
+ mCh->iInterruptLatencyIsr->InterruptLatencyIsr(x);
+ }
+ __e32_atomic_add_ord32(&mCh->iRunCount, 1);
+ }
+
+TInt DBMNE1Channel::BindInterrupt(MBMIsr* aIsr)
+ {
+ BM_ASSERT(!iIsr);
+ BM_ASSERT(!iInterruptLatencyIsr);
+ iIsr = aIsr;
+ return KErrNone;
+ }
+
+TInt DBMNE1Channel::BindInterrupt(MBMInterruptLatencyIsr* aIsr)
+ {
+ BM_ASSERT(!iIsr);
+ BM_ASSERT(!iInterruptLatencyIsr);
+ iInterruptLatencyIsr = aIsr;
+ return KErrNone;
+ }
+
+
+void DBMNE1Channel::RequestInterrupt()
+ {
+ BM_ASSERT(iIsr || iInterruptLatencyIsr);
+ if (iTimer.OneShot(1)==KErrNone)
+ __e32_atomic_add_ord32(&iStartCount, 1);
+ }
+
+void DBMNE1Channel::CancelInterrupt()
+ {
+ if (iTimer.Cancel())
+ __e32_atomic_add_ord32(&iCancelCount, 1);
+ while (iStartCount != iCancelCount + iRunCount)
+ {}
+ }
+