PrusaSlicer-NonPlainar/src/avrdude/crc16.h
bubnikv 0558b53493 WIP: Moved sources int src/, separated most of the source code from Perl.
The XS was left only for the unit / integration tests, and it links
libslic3r only. No wxWidgets are allowed to be used from Perl starting
from now.
2018-09-19 11:02:24 +02:00

35 lines
753 B
C

#ifndef CRC16_H
#define CRC16_H
#ifdef __cplusplus
extern "C" {
#endif
/*
* Derived from CRC algorithm for JTAG ICE mkII, published in Atmel
* Appnote AVR067. Converted from C++ to C.
*/
extern unsigned short crcsum(const unsigned char* message,
unsigned long length,
unsigned short crc);
/*
* Verify that the last two bytes is a (LSB first) valid CRC of the
* message.
*/
extern int crcverify(const unsigned char* message,
unsigned long length);
/*
* Append a two byte CRC (LSB first) to message. length is size of
* message excluding crc. Space for the CRC bytes must be allocated
* in advance!
*/
extern void crcappend(unsigned char* message,
unsigned long length);
#ifdef __cplusplus
}
#endif
#endif