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