1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/kernelhwsrv/bsptemplate/asspandvariant/template_variant/specific/monitor.cpp Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,115 @@
1.4 +// Copyright (c) 1994-2009 Nokia Corporation and/or its subsidiary(-ies).
1.5 +// All rights reserved.
1.6 +// This component and the accompanying materials are made available
1.7 +// under the terms of the License "Eclipse Public License v1.0"
1.8 +// which accompanies this distribution, and is available
1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
1.10 +//
1.11 +// Initial Contributors:
1.12 +// Nokia Corporation - initial contribution.
1.13 +//
1.14 +// Contributors:
1.15 +//
1.16 +// Description:
1.17 +// template\template_variant\specific\monitor.cpp
1.18 +// Kernel crash debugger - Template specific
1.19 +//
1.20 +//
1.21 +
1.22 +#include <kernel/monitor.h>
1.23 +#include "variant.h"
1.24 +
1.25 +//
1.26 +// UART code
1.27 +//
1.28 +void CrashDebugger::InitUart()
1.29 + {
1.30 + // Wait for last kernel trace to appear
1.31 + TTemplate::BootWaitMilliSeconds(100);
1.32 +
1.33 + //
1.34 + // TO DO: (mandatory)
1.35 + //
1.36 + // Initialise the UART for outputing debug strings. Need to work with the following settings:
1.37 + // - 115200Baud
1.38 + // - 8 data bits, 1 stop bit
1.39 + // - No parity
1.40 + // Obtain and use UART linear base address to access the UART registers, e.g.
1.41 + // TUint32 debugPortBase = TTemplate::DebugPortAddr();
1.42 + //
1.43 + }
1.44 +
1.45 +void CrashDebugger::UartOut(TUint aChar)
1.46 + {
1.47 + //
1.48 + // TO DO: (mandatory)
1.49 + //
1.50 + // Output aChar through debug UART
1.51 + // Obtain and use UART linear base address to access the UART register, e.g.
1.52 + // Should take in consideration software flow control and check if Power is stable as per example below (pseudo-code):
1.53 + //
1.54 + TUint c=0;
1.55 + // TUint32 debugPortBase = TTemplate::DebugPortAddr(); TO DO: (mandatory): Uncomment this
1.56 + // while (!(input FIFO empty)) TO DO: (mandatory): Implement
1.57 + {
1.58 + if (CheckPower())
1.59 + return;
1.60 + // c=(read received char); TO DO: (mandatory): Implement
1.61 + if (c==19) // XOFF
1.62 + {
1.63 + FOREVER
1.64 + {
1.65 + // wait for XON
1.66 + // while((input FIFO empty)) TO DO: (mandatory): Implement
1.67 + {
1.68 + if (CheckPower())
1.69 + return;
1.70 + }
1.71 + // c=(read received char); TO DO: (mandatory): Implement
1.72 + if (c==17) // XON
1.73 + break;
1.74 + else if (c==3) // Ctrl C
1.75 + Leave(KErrCancel);
1.76 + }
1.77 + }
1.78 +
1.79 + // coverity[dead_error_condition]
1.80 + // The next line should be reachable when this template file is edited for use
1.81 + else if (c==3) // Ctrl C
1.82 + Leave(KErrCancel);
1.83 + }
1.84 +
1.85 + // while ((output FIFO full)) TO DO: (mandatory): wait for last char to leave the FIFO (Implement)
1.86 + CheckPower();
1.87 + // (write aChar to output port - or FIFO); TO DO: (mandatory): Implement
1.88 + }
1.89 +
1.90 +TUint8 CrashDebugger::UartIn()
1.91 + {
1.92 + //
1.93 + // TO DO: (mandatory)
1.94 + //
1.95 + // Wait for a char to arrive at input port, read it and return its value
1.96 + // Use the UART linear base address obtained as in below example to access the UART registers
1.97 + // Example below is pseudo-code:
1.98 + //
1.99 + // TUint32 debugPortBase = TTemplate::DebugPortAddr(); TO DO: (mandatory): Uncomment this
1.100 + // while ((input FIFO empty)) TO DO: (mandatory): wait for a character to arrive (Implement)
1.101 + {
1.102 + if (CheckPower())
1.103 + return 0x0d;
1.104 + }
1.105 + // return (read received char); TO DO: (mandatory): Implement
1.106 + return 0; // EXAMPLE ONLY
1.107 + }
1.108 +
1.109 +TBool CrashDebugger::CheckPower()
1.110 + {
1.111 + //
1.112 + // TO DO: (mandatory)
1.113 + //
1.114 + // Check if power supply is stable and return ETrue if not
1.115 + //
1.116 + return EFalse; // EXAMPLE ONLY
1.117 + }
1.118 +