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authorKoen Kooi <koen@openembedded.org>2009-01-10 10:44:13 +0100
committerKoen Kooi <koen@openembedded.org>2009-01-10 10:44:13 +0100
commitd076ad3dbeac4bf7a58a335348c1560dd23799a7 (patch)
treef402fe30741bb8ea76d0f411a1179c6ac937be76 /packages/i2c/files/Log.h
parent06af67f2e653d6b0d45117f9aaad0b25db1eaa67 (diff)
gumstix utils: add char-driver, gpio-event, i2c and microwindows
Diffstat (limited to 'packages/i2c/files/Log.h')
-rw-r--r--packages/i2c/files/Log.h232
1 files changed, 232 insertions, 0 deletions
diff --git a/packages/i2c/files/Log.h b/packages/i2c/files/Log.h
new file mode 100644
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+/****************************************************************************
+*
+* Copyright (c) 2006 Dave Hylands <dhylands@gmail.com>
+*
+* This program is free software; you can redistribute it and/or modify
+* it under the terms of the GNU General Public License version 2 as
+* published by the Free Software Foundation.
+*
+* Alternatively, this software may be distributed under the terms of BSD
+* license.
+*
+* See README and COPYING for more details.
+*
+****************************************************************************/
+/**
+*
+* @file Log.h
+*
+* @brief Contains some logging macros.
+*
+****************************************************************************/
+/**
+* @defgroup Log Logging
+*
+* @brief Provides a common interface for logging.
+*
+****************************************************************************/
+
+#if !defined( LOG_H )
+#define LOG_H ///< Include Guard
+
+// ---- Include Files -------------------------------------------------------
+
+#include <stdarg.h>
+#include <stdio.h>
+
+#if !defined( CONFIG_H )
+# include "Config.h"
+#endif
+
+#if !defined( CFG_LOG_USE_STDIO )
+# define CFG_LOG_USE_STDIO 1
+#endif
+
+
+#if defined( AVR )
+# include <avr/pgmspace.h>
+# include <avr/interrupt.h>
+#endif
+
+
+#if CFG_LOG_TO_BUFFER
+# if !defined( CBUF_H )
+# include "CBUF.h"
+# endif
+
+#endif
+
+
+
+/**
+ * @addtogroup Log
+ * @{
+ */
+
+#if !defined( CFG_LOG_ENABLED )
+# define CFG_LOG_ENABLED 1
+#endif
+
+
+#if !CFG_LOG_ENABLED
+
+#define Log( fmt, args... )
+#define LogError( fmt, args... )
+
+#else
+
+
+#if defined( __cplusplus )
+extern "C"
+{
+#endif
+
+
+/***************************************************************************
+*
+* Log Buffer support
+*/
+
+#if CFG_LOG_TO_BUFFER
+
+#if defined( AVR )
+
+typedef struct
+{
+ const prog_char *fmt;
+ uint8_t param1;
+ uint8_t param2;
+#if CFG_LOG_EXTRA_PARAMS
+ uint8_t param3;
+ uint8_t param4;
+#endif
+
+
+} LOG_Entry_t;
+
+#if CFG_LOG_EXTRA_PARAMS
+# define LOG_EXTRA_PARAMS_DECL , uint8_t arg3, uint8_t arg4
+# define LOG_EXTRA_PARAMS , 0, 0
+#else
+
+# define LOG_EXTRA_PARAMS_DECL
+# define LOG_EXTRA_PARAMS
+#endif
+
+
+void LogBuf_P( const prog_char *fmt, uint8_t arg1, uint8_t arg2 LOG_EXTRA_PARAMS_DECL );
+
+#define LogBuf0( fmt ) LogBuf_P( PSTR( fmt ), 0, 0 LOG_EXTRA_PARAMS )
+#define LogBuf1( fmt, arg1 ) LogBuf_P( PSTR( fmt ), arg1, 0 LOG_EXTRA_PARAMS )
+#define LogBuf2( fmt, arg1, arg2 ) LogBuf_P( PSTR( fmt ), arg1, arg2 LOG_EXTRA_PARAMS )
+
+#if CFG_LOG_EXTRA_PARAMS
+#define LogBuf3( fmt, arg1, arg2, arg3 ) LogBuf_P( PSTR( fmt ), arg1, arg2, arg3, 0 )
+#define LogBuf4( fmt, arg1, arg2, arg3, arg4 ) LogBuf_P( PSTR( fmt ), arg1, arg2, arg3, arg4 )
+#endif
+
+
+#else
+
+
+typedef struct
+{
+ const char *fmt;
+ uint8_t param1;
+ uint8_t param2;
+
+} LOG_Entry_t;
+
+void LogBuf( const char *fmt, uint8_t arg1, uint8_t arg2 );
+
+#define LogBuf0( fmt, arg1 ) LogBuf( fmt, 0, 0 )
+#define LogBuf1( fmt, arg1 ) LogBuf( fmt, arg1, 0 )
+#define LogBuf2( fmt, arg1, arg2 ) LogBuf( fmt, arg1, arg2 )
+
+#endif // AVR
+
+#if ( CFG_LOG_NUM_BUFFER_ENTRIES > 128 )
+typedef uint16_t LOG_BufferIdx_t;
+#else
+
+typedef uint8_t LOG_BufferIdx_t;
+#endif
+
+
+typedef struct
+{
+ LOG_BufferIdx_t m_getIdx;
+ LOG_BufferIdx_t m_putIdx;
+ LOG_Entry_t m_entry[ CFG_LOG_NUM_BUFFER_ENTRIES ];
+
+} LOG_Buffer_t;
+
+extern volatile LOG_Buffer_t LOG_gBuffer;
+
+#define LOG_gBuffer_SIZE ( sizeof( LOG_gBuffer.m_entry ) / sizeof( LOG_gBuffer.m_entry[ 0 ] ))
+
+void LogBufDump( void );
+
+#endif // CFG_LOG_TO_BUFFER
+
+/***************************************************************************
+*
+* Regular logging support
+*/
+
+#if CFG_LOG_USE_STDIO
+extern FILE *gLogFs;
+
+void LogInit( FILE *logFs );
+#endif
+
+
+#if defined( AVR )
+
+void Log_P( const prog_char *fmt, ... );
+void LogError_P( const prog_char *fmt, ... );
+void vLog_P( const prog_char *fmt, va_list args );
+
+#define Log( fmt, args... ) Log_P( PSTR( fmt ), ## args )
+#define LogError( fmt, args... ) LogError_P( PSTR( fmt ), ## args )
+#define vLog( fmt, va_list, args ) vLog_P( PSTR( fmt ), args )
+
+#else // AVR
+
+#define LOG_LEVEL_NORMAL 0
+#define LOG_LEVEL_ERROR 1
+
+typedef void (*LogFunc_t)( int logLevel, const char *fmt, va_list args );
+
+extern int gVerbose;
+extern int gDebug;
+extern int gQuiet;
+
+void Log( const char *fmt, ... );
+void LogError( const char *fmt, ... );
+void vLog( const char *fmt, va_list args );
+void vLogError( const char *fmt, va_list args );
+
+#define Log_P( fmt, args... ) Log( fmt, ## args )
+#define LogError_P( fmt, args... ) LogError( fmt, ## args )
+#define vLog_P( fmt, args ) vLog( fmt, args )
+
+#define LogDebug( fmt, args... ) do { if ( gDebug ) { Log( fmt, ## args ); }} while (0)
+#define LogVerbose( fmt, args... ) do { if ( gVerbose ) { Log( fmt, ## args ); }} while (0)
+
+void SetLogFunc( LogFunc_t logFunc );
+void DefaultLogFunc( int logLevel, const char *fmt, va_list args );
+
+#endif // AVR
+
+#if defined( __cplusplus )
+}
+#endif
+
+
+#endif // CFG_LOG_ENABLED
+
+/** @} */
+
+#endif // LOG_H
+