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Add new demo files.
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Richard Barry
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238
Demo/CORTEX_AT91SAM3U256_IAR/AT91Lib/utility/trace.h
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Demo/CORTEX_AT91SAM3U256_IAR/AT91Lib/utility/trace.h
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/* ----------------------------------------------------------------------------
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* ATMEL Microcontroller Software Support
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* ----------------------------------------------------------------------------
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* Copyright (c) 2008, Atmel Corporation
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* - Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the disclaimer below.
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*
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* Atmel's name may not be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
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* DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
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* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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* ----------------------------------------------------------------------------
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*/
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//------------------------------------------------------------------------------
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/// \unit
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///
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/// !Purpose
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///
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/// Standard output methods for reporting debug information, warnings and
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/// errors, which can be easily be turned on/off.
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///
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/// !Usage
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/// -# Initialize the DBGU using TRACE_CONFIGURE() if you intend to eventually
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/// disable ALL traces; otherwise use DBGU_Configure().
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/// -# Uses the TRACE_DEBUG(), TRACE_INFO(), TRACE_WARNING(), TRACE_ERROR()
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/// TRACE_FATAL() macros to output traces throughout the program.
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/// -# Each type of trace has a level : Debug 5, Info 4, Warning 3, Error 2
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/// and Fatal 1. Disable a group of traces by changing the value of
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/// TRACE_LEVEL during compilation; traces with a level bigger than TRACE_LEVEL
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/// are not generated. To generate no trace, use the reserved value 0.
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/// -# Trace disabling can be static or dynamic. If dynamic disabling is selected
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/// the trace level can be modified in runtime. If static disabling is selected
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/// the disabled traces are not compiled.
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///
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/// !Trace level description
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/// -# TRACE_DEBUG (5): Traces whose only purpose is for debugging the program,
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/// and which do not produce meaningful information otherwise.
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/// -# TRACE_INFO (4): Informational trace about the program execution. Should
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/// enable the user to see the execution flow.
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/// -# TRACE_WARNING (3): Indicates that a minor error has happened. In most case
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/// it can be discarded safely; it may even be expected.
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/// -# TRACE_ERROR (2): Indicates an error which may not stop the program execution,
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/// but which indicates there is a problem with the code.
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/// -# TRACE_FATAL (1): Indicates a major error which prevents the program from going
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/// any further.
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//------------------------------------------------------------------------------
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#ifndef TRACE_H
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#define TRACE_H
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//------------------------------------------------------------------------------
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// Headers
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//------------------------------------------------------------------------------
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#include <board.h>
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#include <dbgu/dbgu.h>
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#include <pio/pio.h>
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#include <stdio.h>
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//------------------------------------------------------------------------------
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// Global Definitions
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//------------------------------------------------------------------------------
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/// Softpack Version
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#define SOFTPACK_VERSION "1.6RC1"
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#define TRACE_LEVEL_DEBUG 5
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#define TRACE_LEVEL_INFO 4
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#define TRACE_LEVEL_WARNING 3
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#define TRACE_LEVEL_ERROR 2
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#define TRACE_LEVEL_FATAL 1
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#define TRACE_LEVEL_NO_TRACE 0
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// By default, all traces are output except the debug one.
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#if !defined(TRACE_LEVEL)
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#define TRACE_LEVEL TRACE_LEVEL_INFO
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#endif
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// By default, trace level is static (not dynamic)
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#if !defined(DYN_TRACES)
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#define DYN_TRACES 0
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#endif
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#if defined(NOTRACE)
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#error "Error: NOTRACE has to be not defined !"
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#endif
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#undef NOTRACE
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#if (DYN_TRACES==0)
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#if (TRACE_LEVEL == TRACE_LEVEL_NO_TRACE)
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#define NOTRACE
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#endif
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#endif
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//------------------------------------------------------------------------------
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// Global Macros
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//------------------------------------------------------------------------------
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//------------------------------------------------------------------------------
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/// Initializes the DBGU
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/// \param mode DBGU mode.
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/// \param baudrate DBGU baudrate.
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/// \param mck Master clock frequency.
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//------------------------------------------------------------------------------
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#define TRACE_CONFIGURE(mode, baudrate, mck) { \
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const Pin pinsDbgu[] = {PINS_DBGU}; \
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PIO_Configure(pinsDbgu, PIO_LISTSIZE(pinsDbgu)); \
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DBGU_Configure(mode, baudrate, mck); \
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}
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//------------------------------------------------------------------------------
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/// Initializes the DBGU for ISP project
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/// \param mode DBGU mode.
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/// \param baudrate DBGU baudrate.
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/// \param mck Master clock frequency.
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//------------------------------------------------------------------------------
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#if (TRACE_LEVEL==0) && (DYNTRACE==0)
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#define TRACE_CONFIGURE_ISP(mode, baudrate, mck) {}
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#else
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#define TRACE_CONFIGURE_ISP(mode, baudrate, mck) { \
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const Pin pinsDbgu[] = {PINS_DBGU}; \
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PIO_Configure(pinsDbgu, PIO_LISTSIZE(pinsDbgu)); \
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DBGU_Configure(mode, baudrate, mck); \
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}
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#endif
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//------------------------------------------------------------------------------
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/// Outputs a formatted string using <printf> if the log level is high
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/// enough. Can be disabled by defining TRACE_LEVEL=0 during compilation.
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/// \param format Formatted string to output.
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/// \param ... Additional parameters depending on formatted string.
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//------------------------------------------------------------------------------
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#if defined(NOTRACE)
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// Empty macro
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#define TRACE_DEBUG(...) { }
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#define TRACE_INFO(...) { }
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#define TRACE_WARNING(...) { }
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#define TRACE_ERROR(...) { }
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#define TRACE_FATAL(...) { while(1); }
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#define TRACE_DEBUG_WP(...) { }
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#define TRACE_INFO_WP(...) { }
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#define TRACE_WARNING_WP(...) { }
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#define TRACE_ERROR_WP(...) { }
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#define TRACE_FATAL_WP(...) { while(1); }
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#elif (DYN_TRACES == 1)
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// Trace output depends on traceLevel value
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#define TRACE_DEBUG(...) { if (traceLevel >= TRACE_LEVEL_DEBUG) { printf("-D- " __VA_ARGS__); } }
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#define TRACE_INFO(...) { if (traceLevel >= TRACE_LEVEL_INFO) { printf("-I- " __VA_ARGS__); } }
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#define TRACE_WARNING(...) { if (traceLevel >= TRACE_LEVEL_WARNING) { printf("-W- " __VA_ARGS__); } }
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#define TRACE_ERROR(...) { if (traceLevel >= TRACE_LEVEL_ERROR) { printf("-E- " __VA_ARGS__); } }
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#define TRACE_FATAL(...) { if (traceLevel >= TRACE_LEVEL_FATAL) { printf("-F- " __VA_ARGS__); while(1); } }
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#define TRACE_DEBUG_WP(...) { if (traceLevel >= TRACE_LEVEL_DEBUG) { printf(__VA_ARGS__); } }
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#define TRACE_INFO_WP(...) { if (traceLevel >= TRACE_LEVEL_INFO) { printf(__VA_ARGS__); } }
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#define TRACE_WARNING_WP(...) { if (traceLevel >= TRACE_LEVEL_WARNING) { printf(__VA_ARGS__); } }
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#define TRACE_ERROR_WP(...) { if (traceLevel >= TRACE_LEVEL_ERROR) { printf(__VA_ARGS__); } }
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#define TRACE_FATAL_WP(...) { if (traceLevel >= TRACE_LEVEL_FATAL) { printf(__VA_ARGS__); while(1); } }
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#else
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// Trace compilation depends on TRACE_LEVEL value
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#if (TRACE_LEVEL >= TRACE_LEVEL_DEBUG)
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#define TRACE_DEBUG(...) { printf("-D- " __VA_ARGS__); }
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#define TRACE_DEBUG_WP(...) { printf(__VA_ARGS__); }
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#else
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#define TRACE_DEBUG(...) { }
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#define TRACE_DEBUG_WP(...) { }
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#endif
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#if (TRACE_LEVEL >= TRACE_LEVEL_INFO)
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#define TRACE_INFO(...) { printf("-I- " __VA_ARGS__); }
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#define TRACE_INFO_WP(...) { printf(__VA_ARGS__); }
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#else
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#define TRACE_INFO(...) { }
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#define TRACE_INFO_WP(...) { }
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#endif
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#if (TRACE_LEVEL >= TRACE_LEVEL_WARNING)
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#define TRACE_WARNING(...) { printf("-W- " __VA_ARGS__); }
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#define TRACE_WARNING_WP(...) { printf(__VA_ARGS__); }
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#else
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#define TRACE_WARNING(...) { }
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#define TRACE_WARNING_WP(...) { }
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#endif
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#if (TRACE_LEVEL >= TRACE_LEVEL_ERROR)
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#define TRACE_ERROR(...) { printf("-E- " __VA_ARGS__); }
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#define TRACE_ERROR_WP(...) { printf(__VA_ARGS__); }
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#else
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#define TRACE_ERROR(...) { }
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#define TRACE_ERROR_WP(...) { }
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#endif
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#if (TRACE_LEVEL >= TRACE_LEVEL_FATAL)
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#define TRACE_FATAL(...) { printf("-F- " __VA_ARGS__); while(1); }
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#define TRACE_FATAL_WP(...) { printf(__VA_ARGS__); while(1); }
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#else
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#define TRACE_FATAL(...) { while(1); }
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#define TRACE_FATAL_WP(...) { while(1); }
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#endif
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#endif
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//------------------------------------------------------------------------------
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// Exported variables
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//------------------------------------------------------------------------------
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// Depending on DYN_TRACES, traceLevel is a modifable runtime variable
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// or a define
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#if !defined(NOTRACE) && (DYN_TRACES == 1)
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extern unsigned int traceLevel;
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#endif
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#endif //#ifndef TRACE_H
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