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authorDenys Dmytriyenko <denis@denix.org>2009-03-17 14:32:59 -0400
committerDenys Dmytriyenko <denis@denix.org>2009-03-17 14:32:59 -0400
commit709c4d66e0b107ca606941b988bad717c0b45d9b (patch)
tree37ee08b1eb308f3b2b6426d5793545c38396b838 /packages/i2c-tools/picodlp-control/Crc8.c
parentfa6cd5a3b993f16c27de4ff82b42684516d433ba (diff)
rename packages/ to recipes/ per earlier agreement
See links below for more details: http://thread.gmane.org/gmane.comp.handhelds.openembedded/21326 http://thread.gmane.org/gmane.comp.handhelds.openembedded/21816 Signed-off-by: Denys Dmytriyenko <denis@denix.org> Acked-by: Mike Westerhof <mwester@dls.net> Acked-by: Philip Balister <philip@balister.org> Acked-by: Khem Raj <raj.khem@gmail.com> Acked-by: Marcin Juszkiewicz <hrw@openembedded.org> Acked-by: Koen Kooi <koen@openembedded.org> Acked-by: Frans Meulenbroeks <fransmeulenbroeks@gmail.com>
Diffstat (limited to 'packages/i2c-tools/picodlp-control/Crc8.c')
-rw-r--r--packages/i2c-tools/picodlp-control/Crc8.c149
1 files changed, 0 insertions, 149 deletions
diff --git a/packages/i2c-tools/picodlp-control/Crc8.c b/packages/i2c-tools/picodlp-control/Crc8.c
deleted file mode 100644
index 87dcf5c2f4..0000000000
--- a/packages/i2c-tools/picodlp-control/Crc8.c
+++ /dev/null
@@ -1,149 +0,0 @@
-/****************************************************************************
-*
-* 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 Crc8.c
-*
-* @brief This file contains the definition of the CRC-8 algorithim
-* used by SMBus
-*
-*
-*****************************************************************************/
-
-/* ---- Include Files ----------------------------------------------------- */
-
-#include "Config.h"
-
-#include "Crc8.h"
-
-#include "Log.h"
-
-/* ---- Public Variables -------------------------------------------------- */
-/* ---- Private Constants and Types --------------------------------------- */
-/* ---- Private Variables ------------------------------------------------- */
-/* ---- Private Function Prototypes --------------------------------------- */
-/* ---- Functions --------------------------------------------------------- */
-
-/****************************************************************************/
-/**
-* Calculates the CRC-8 used as part of SMBus.
-*
-* CRC-8 is defined to be x^8 + x^2 + x + 1
-*
-* To use this function use the following template:
-*
-* crc = Crc8( crc, data );
-*/
-
-#if 0 // Traditional implementation
-
-#define POLYNOMIAL (0x1070U << 3)
-
-unsigned char Crc8( unsigned char inCrc, unsigned char inData )
-{
- int i;
- unsigned short data;
-
- data = inCrc ^ inData;
- data <<= 8;
-
- for ( i = 0; i < 8; i++ )
- {
- if (( data & 0x8000 ) != 0 )
- {
- data = data ^ POLYNOMIAL;
- }
- data = data << 1;
- }
-
-#if 0
-#if defined( LogBuf2 )
- LogBuf2( "Crc8: data:0x%02x crc:0x%02x\n", inData, (unsigned char)( data >> 8 ));
-#else
-
- Log( "Crc8: data:0x%02x crc:0x%02x\n", inData, (unsigned char)( data >> 8 ));
-#endif
-
-#endif
-
-
- return (unsigned char)( data >> 8 );
-
-} // Crc8
-
-#else // Optimized for 8 bit CPUs (0x22 bytes on ATMega128 versus 0x30 for above version)
-
-unsigned char Crc8( unsigned char inCrc, unsigned char inData )
-{
- unsigned char i;
- unsigned char data;
-
- data = inCrc ^ inData;
-
- for ( i = 0; i < 8; i++ )
- {
- if (( data & 0x80 ) != 0 )
- {
- data <<= 1;
- data ^= 0x07;
- }
- else
- {
- data <<= 1;
- }
- }
-
-#if 0
-#if defined( LogBuf2 )
- LogBuf2( "Crc8: data:0x%02x crc:0x%02x\n", inData, data );
-#else
-
- Log( "Crc8: data:0x%02x crc:0x%02x\n", inData, data );
-#endif
-
-#endif
-
-
- return data;
-
-} // Crc8
-
-#endif
-
-
-#if defined( CFG_CRC8BLOCK )
-
-/****************************************************************************/
-/**
-* Calculates the CRC-8 used as part of SMBus over a block of memory.
-*/
-
-uint8_t Crc8Block( uint8_t crc, uint8_t *data, uint8_t len )
-{
- while ( len > 0 )
- {
- crc = Crc8( crc, *data++ );
- len--;
- }
-
- return crc;
-
-} // Crc8Block
-
-#endif // CFG_CRC8BLOCK
-
-/** @} */
-
-