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Revert "dbg: Watchdog resets while 'hw tune lf'"
[proxmark3-svn]
/
common
/
crc.c
diff --git
a/common/crc.c
b/common/crc.c
index 90d57afab6a56c90bdfbc4b8840b718ffea247cf..0c73474fa75888bf40878f4b41d6269e7f74510c 100644
(file)
--- a/
common/crc.c
+++ b/
common/crc.c
@@
-5,8
+5,9
@@
//-----------------------------------------------------------------------------
// Generic CRC calculation code.
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
// Generic CRC calculation code.
//-----------------------------------------------------------------------------
-
#include "crc.h"
#include "crc.h"
+#include <stdint.h>
+#include <stddef.h>
void crc_init(crc_t *crc, int order, uint32_t polynom, uint32_t initial_value, uint32_t final_xor)
{
void crc_init(crc_t *crc, int order, uint32_t polynom, uint32_t initial_value, uint32_t final_xor)
{
@@
-40,3
+41,16
@@
uint32_t crc_finish(crc_t *crc)
{
return ( crc->state ^ crc->final_xor ) & crc->mask;
}
{
return ( crc->state ^ crc->final_xor ) & crc->mask;
}
+
+//credits to iceman
+uint32_t CRC8Maxim(uint8_t *buff, size_t size)
+{
+ crc_t crc;
+ crc_init(&crc, 9, 0x8c, 0x00, 0x00);
+ crc_clear(&crc);
+
+ for (size_t i=0; i < size; ++i){
+ crc_update(&crc, buff[i], 8);
+ }
+ return crc_finish(&crc);
+}
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