| /********************************************************************* |
| * |
| * 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 |