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gerrit.openfyde.cn / github.com / raspberrypi / raspberrypi-kernel / 1836eea209546b870dd83f3f4ef234d6598a560d / . / include / linux / crc7.h
blob: d590765106f3d226449ccf5228181baef53c4c17 [file] [log] [blame]
Jan Nikitenkoad241522007-07-17 04:04:03 -0700[diff] [blame]1#ifndef _LINUX_CRC7_H
2#define _LINUX_CRC7_H
3#include <linux/types.h>
4
George Spelvin1836eea2014-05-10 10:32:57 -0400[diff] [blame^]5extern const u8 crc7_be_syndrome_table[256];
Jan Nikitenkoad241522007-07-17 04:04:03 -0700[diff] [blame]6
George Spelvin1836eea2014-05-10 10:32:57 -0400[diff] [blame^]7static inline u8 crc7_be_byte(u8 crc, u8 data)
Jan Nikitenkoad241522007-07-17 04:04:03 -0700[diff] [blame]8{
George Spelvin1836eea2014-05-10 10:32:57 -0400[diff] [blame^]9 return crc7_be_syndrome_table[crc ^ data];
Jan Nikitenkoad241522007-07-17 04:04:03 -0700[diff] [blame]10}
11
George Spelvin1836eea2014-05-10 10:32:57 -0400[diff] [blame^]12extern u8 crc7_be(u8 crc, const u8 *buffer, size_t len);
Jan Nikitenkoad241522007-07-17 04:04:03 -0700[diff] [blame]13
14#endif