--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/navienginebsp/ne1_tb/specific/monitor.cpp Tue Sep 28 18:00:05 2010 +0100
@@ -0,0 +1,125 @@
+/*
+* Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "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:
+* ne1_tb\specific\monitor.cpp
+* Kernel crash debugger - NE1_TBVariant specific
+*
+*/
+
+
+
+#include <kernel/monitor.h>
+#include "variant.h"
+#include "uart/uart16550_ne.h"
+
+// A copy of TNaviEngine::DoDebugOutput
+static TUint DebugPortAddr()
+ {
+ TUint debugPort;
+ switch (Kern::SuperPage().iDebugPort)
+ {
+ case Arm::EDebugPortJTAG: debugPort = 0; break; //indicates JTAG debugging
+ case 0x101:
+ case 1: debugPort=KHwBaseUart1; break;
+ case 2: debugPort=KHwBaseUart2; break;
+ default: debugPort=KHwBaseUart0; break;
+ }
+ return debugPort;
+ }
+
+
+//
+// UART code
+//
+void CrashDebugger::InitUart()
+ {
+ // Initialise the UART for standard debug output
+ TUint32 baseAddr = DebugPortAddr();
+ if (baseAddr) // baseAddr is NULL in case of jtag logging
+ {
+ TUint32 dp = Kern::SuperPage().iDebugPort;
+ TBool highSpeed = (dp==0x100 || dp==0x101);
+
+ // Baud Rate = 115200; 8 bits, no parity, 1 stop bit
+ *((volatile TInt*) (baseAddr+K16550LCROffset)) = 0x83;
+ *((volatile TInt*) (baseAddr+K16550BDLoOffset)) = highSpeed ? KBaudRateDiv_230400 : KBaudRateDiv_default;
+ *((volatile TInt*) (baseAddr+K16550BDHiOffset)) = 0;
+ *((volatile TInt*) (baseAddr+K16550LCROffset)) = 3;
+
+ // Set the FIFO control register (FCR) to polled mode & don't use interrupts
+ *((volatile TInt*) (baseAddr+K16550FCROffset)) = 0;
+ *((volatile TInt*) (baseAddr+K16550FCROffset)) = 1;
+ *((volatile TInt*) (baseAddr+K16550IEROffset)) = 0;
+ }
+ }
+
+void CrashDebugger::UartOut(TUint aChar)
+ {
+ TUint debugPort = DebugPortAddr();
+ volatile TUint32& LSR = *(volatile TUint32*)(debugPort + 0x14);
+ volatile TUint32& TXHR = *(volatile TUint32*)(debugPort + 0x00);
+ volatile TUint32& RXHR = *(volatile TUint32*)(debugPort + 0x00);
+ while (LSR & 1)
+ {
+ if (CheckPower())
+ return;
+ TUint32 c = RXHR;
+ if (c==19) // XOFF
+ {
+ FOREVER
+ {
+ // wait for XON
+ while (!(LSR & 1))
+ {
+ if (CheckPower())
+ return;
+ }
+ c = RXHR;
+ if (c==17) // XON
+ break;
+ else if (c==3) // Ctrl C
+ Leave(KErrCancel);
+ }
+ }
+ else if (c==3) // Ctrl C
+ Leave(KErrCancel);
+ }
+ while (!(LSR & 32))
+ CheckPower();
+ TXHR = aChar;
+ }
+
+TUint8 CrashDebugger::UartIn()
+ {
+ TUint debugPort = DebugPortAddr();
+ volatile TUint32& LSR = *(volatile TUint32*)(debugPort + 0x14);
+ volatile TUint32& RXHR = *(volatile TUint32*)(debugPort + 0x00);
+ while (!(LSR & 1))
+ {
+ if (CheckPower())
+ return (TUint8)0x0d;
+ }
+ return (TUint8)RXHR;
+ }
+
+TBool CrashDebugger::CheckPower()
+ {
+ //
+ // TO DO: (mandatory)
+ //
+ // Check if power supply is stable and return ETrue if not
+ //
+ return EFalse; // EXAMPLE ONLY
+ }
+