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lib/crc16.c: Rename cyg_crc16() to crc16_ccitt() and add crc start value

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The original name of this function is unclear. This patch renames this
CRC16 function to crc16_ccitt() matching its name with its
implementation.

To make the usage of this function more flexible, lets add the CRC start
value as parameter to this function. This way it can be used by other
functions requiring different start values than 0 as well.

Signed-off-by: Stefan Roese <sr@denx.de>
Reviewed-by: Tom Rini <trini@konsulko.com>
This commit is contained in:
Stefan Roese 2016-03-03 09:34:12 +01:00 • committed by Tom Rini
parent 7109157ff2
commit ecb57f69b2
4 changed files with 7 additions and 7 deletions
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2
common/xyzModem.c
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@ -446,7 +446,7 @@ xyzModem_get_hdr (void)
/* Verify checksum/CRC */
if (xyz.crc_mode)
{
cksum = cyg_crc16 (xyz.pkt, xyz.len);
cksum = crc16_ccitt(0, xyz.pkt, xyz.len);
if (cksum != ((xyz.crc1 << 8) | xyz.crc2))
{
ZM_DEBUG (zm_dprintf ("CRC error - recvd: %02x%02x, computed: %x\n",