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30 lines
880 B
30 lines
880 B
20 years ago
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/*********************************************************************
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*
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* Filename: crc.h
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* Version:
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* Description: CRC routines
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* Status: Experimental.
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* Author: Dag Brattli <dagb@cs.uit.no>
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* Created at: Mon Aug 4 20:40:53 1997
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* Modified at: Sun May 2 20:25:23 1999
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* Modified by: Dag Brattli <dagb@cs.uit.no>
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*
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********************************************************************/
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#ifndef IRDA_CRC_H
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#define IRDA_CRC_H
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#include <linux/types.h>
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#include <linux/crc-ccitt.h>
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#define INIT_FCS 0xffff /* Initial FCS value */
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#define GOOD_FCS 0xf0b8 /* Good final FCS value */
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/* Recompute the FCS with one more character appended. */
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#define irda_fcs(fcs, c) crc_ccitt_byte(fcs, c)
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/* Recompute the FCS with len bytes appended. */
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#define irda_calc_crc16(fcs, buf, len) crc_ccitt(fcs, buf, len)
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#endif
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