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Diffstat (limited to 'recipes/i2c-tools/picodlp-control/Log.c')
| -rw-r--r-- | recipes/i2c-tools/picodlp-control/Log.c | 335 |
1 files changed, 335 insertions, 0 deletions
diff --git a/recipes/i2c-tools/picodlp-control/Log.c b/recipes/i2c-tools/picodlp-control/Log.c new file mode 100644 index 0000000000..e32783391b --- /dev/null +++ b/recipes/i2c-tools/picodlp-control/Log.c @@ -0,0 +1,335 @@ +/**************************************************************************** +* +* 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.cpp +* +* @brief This file contains the implementation of the logging functions. +* +****************************************************************************/ + +// ---- Include Files ------------------------------------------------------- + +#include "Log.h" + +#if CFG_LOG_USE_STDIO +# include <stdio.h> +#else + +# include "Str.h" +# include "UART.h" +#endif + + +// ---- Public Variables ---------------------------------------------------- +// ---- Private Constants and Types ----------------------------------------- + +#if defined( AVR ) + +#undef Log +#undef LogError +#undef vLog + +#define Log Log_P +#define LogError LogError_P +#define vLog vLog_P +#define LogBuf LogBuf_P + +#define char prog_char + +#else + + +#define PSTR(str) str + +int gVerbose = 0; +int gDebug = 0; +int gQuiet = 0; + +#endif + + +#if CFG_LOG_TO_BUFFER + +volatile LOG_Buffer_t LOG_gBuffer; + +#endif + + +// ---- Private Variables --------------------------------------------------- + +#if CFG_LOG_USE_STDIO + +FILE *gLogFs = NULL; + +#endif + + +// ---- Private Function Prototypes ----------------------------------------- + +// ---- Functions ----------------------------------------------------------- + +/** + * @addtogroup Log + * @{ + */ + +#if !defined( AVR ) + +void DefaultLogFunc( int logLevel, const char *fmt, va_list args ) +{ + FILE *fs; + + if ( gQuiet && ( logLevel == LOG_LEVEL_NORMAL )) + { + return; + } + + if ( gLogFs == NULL ) + { + fs = stderr; + } + else + { + fs = gLogFs; + } + + if ( logLevel == LOG_LEVEL_ERROR ) + { + fprintf( fs, "ERROR: " ); + } + vfprintf( fs, fmt, args ); + fflush( fs ); + +} // DefaultLogFunc + +static LogFunc_t gLogFunc = DefaultLogFunc; + +void SetLogFunc( LogFunc_t logFunc ) +{ + + gLogFunc = logFunc; + +} // SetLogFunc + +#endif + + +//*************************************************************************** +/** +* Sets the logging stream +*/ + +#if CFG_LOG_USE_STDIO +void LogInit( FILE *logFs ) +{ + gLogFs = logFs; + +} // LogInit + +#else + + +static int LogToUartFunc( void *outParm, int ch ) +{ + UART0_PutChar( ch ); + + return 1; +} +#endif + + +//*************************************************************************** +/** +* Logs a string using printf like semantics +*/ + +void Log +( + const char *fmt, ///< printf style format specifier + ... ///< variable list of arguments +) +{ + va_list args; + + va_start( args, fmt ); + vLog( fmt, args ); + va_end( args ); +} + +//*************************************************************************** +/** +* Logs a string using printf like semantics +*/ + +void vLog +( + const char *fmt, ///< printf style format specified + va_list args ///< variable list of arguments +) +{ + // For now we call printf directly. A better way would be to install + // a callback which does the real work + +#if defined( AVR ) +# if CFG_LOG_USE_STDIO + if ( gLogFs != NULL ) + { + vfprintf_P( gLogFs, fmt, args ); + } +# else + + vStrXPrintf_P( LogToUartFunc, NULL, fmt, args ); +# endif + +#else + + if ( gLogFunc != NULL ) + { + gLogFunc( LOG_LEVEL_NORMAL, fmt, args ); + } +#endif + +} + +#if !defined( AVR ) + +//*************************************************************************** +/** +* Logs an error. +*/ + +void vLogError +( + const char *fmt, ///< printf style format specified + va_list args ///< variable list of arguments +) +{ + if ( gLogFunc != NULL ) + { + gLogFunc( LOG_LEVEL_ERROR, fmt, args ); + } +} + +#endif + + +/***************************************************************************/ +/** +* Logs an error +*/ + +void LogError +( + const char *fmt, ///< printf style format specifier + ... ///< variable list of arguments +) +{ + va_list args; + +#if defined( AVR ) + //Log( "ERROR: " ); + //Log_P( PSTR( "ERROR: " )); + + va_start( args, fmt ); + vLog( fmt, args ); + va_end( args ); +#else + + va_start( args, fmt ); + vLogError( fmt, args ); + va_end( args ); +#endif + + +} // LogError + +/***************************************************************************/ +/** +* Logs an entry to the log buffer +*/ + +#if CFG_LOG_TO_BUFFER + +void LogBuf( const char *fmt, uint8_t arg1, uint8_t arg2 LOG_EXTRA_PARAMS_DECL ) +{ +#if defined( AVR ) + uint8_t sreg = SREG; + cli(); +#endif + + + if ( CBUF_IsFull( LOG_gBuffer )) + { + volatile LOG_Entry_t *entry = CBUF_GetLastEntryPtr( LOG_gBuffer ); + + entry->fmt = PSTR( "*** Lost Messages ***\n" ); + } + else + { + volatile LOG_Entry_t *entry = CBUF_GetPushEntryPtr( LOG_gBuffer ); + + entry->fmt = fmt; + entry->param1 = arg1; + entry->param2 = arg2; + +#if CFG_LOG_EXTRA_PARAMS + entry->param3 = arg3; + entry->param4 = arg4; +#endif + + + CBUF_AdvancePushIdx( LOG_gBuffer ); + } + +#if defined( AVR ) + SREG = sreg; +#endif + + +} // LogBuf + +#endif // CFG_LOG_TO_BUFFER + +/***************************************************************************/ +/** +* Dumps any unlogged entries from the log buffer +*/ + +#if CFG_LOG_TO_BUFFER + +void LogBufDump( void ) +{ + while ( !CBUF_IsEmpty( LOG_gBuffer )) + { + volatile LOG_Entry_t *entry = CBUF_GetPopEntryPtr( LOG_gBuffer ); + +#if CFG_LOG_EXTRA_PARAMS + Log( entry->fmt, entry->param1, entry->param2, entry->param3, entry->param4 ); +#else + + Log( entry->fmt, entry->param1, entry->param2 ); +#endif + + + CBUF_AdvancePopIdx( LOG_gBuffer ); + } + +} // LogBufDump + +#endif // CFG_LOG_TO_BUFFER + +/** @} */ + |