--- libelwix/inc/elwix/acrc.h	2024/10/10 23:53:00	1.7.36.1
+++ libelwix/inc/elwix/acrc.h	2024/10/12 16:08:18	1.9
@@ -3,7 +3,7 @@
 *  by Michael Pounov <misho@elwix.org>
 *
 * $Author: misho $
-* $Id: acrc.h,v 1.7.36.1 2024/10/10 23:53:00 misho Exp $
+* $Id: acrc.h,v 1.9 2024/10/12 16:08:18 misho Exp $
 *
 **************************************************************************
 The ELWIX and AITNET software is distributed under the following
@@ -85,6 +85,7 @@ unsigned int crcCalc(unsigned char * __restrict psBuf,
 #define crc_16(x, l)		crcCalc((x), (l), 16, REVOPTS_REVERTBYTE|REVOPTS_REVERTCRC, 0x0, 0x0)
 #define crc_16_ccitt(x, l)	crcCalc((x), (l), 161, 0, 0x0, 0x0)
 #define crc_16_xmodem(x, l)	crcCalc((x), (l), 162, REVOPTS_REVERTBYTE|REVOPTS_REVERTCRC, 0x0, 0x0)
+#define crc_8(x, l)		crcCalc((x), (l), 8, 0, 0x0, 0x0)
 
 /*
  * crc16_ccitt() - Checksum calculation
@@ -165,6 +166,15 @@ unsigned int crcAdler(unsigned char * __restrict psBuf
  */
 #define crcEther(psBuf, bufLen) crcCalc((psBuf), (bufLen), 32, 3, 0xFFFFFFFF, 0xFFFFFFFF)
 
+/*
+ * crc8tbl() - CRC8 calculation from table
+ *
+ * @crc = Initial crc value
+ * @buf = Data for calculation
+ * @len = Length of data
+ * return: calculated CRC8
+ */
+uint8_t crc8tbl(unsigned char crc, const unsigned char * __restrict buf, unsigned int len);
 /*
  * crc32tbl() - CRC32 calculation from table
  *