crc Namespace Reference

Functions
void	PutCRC (unsigned char b)

Variables
union {
unsigned long   crc::Whole
struct {
unsigned char   crc::Data
unsigned short   crc::Remainder
unsigned char   crc::Head
}   crc::Part
}	CRC_buffer

Function Documentation

void crc::PutCRC ( unsigned char  b )

inline

Definition at line 38 of file crc.h.

References CRC_buffer, and POLYNOMIAL.

Referenced by CRC().

{  
    using namespace crc;
    unsigned char i;
    CRC_buffer.Part.Data = b;
    for (i=0; i<8; i++)
    {
    CRC_buffer.Whole = CRC_buffer.Whole << 1;
    if (CRC_buffer.Part.Head & 0x01)
        CRC_buffer.Part.Remainder ^= POLYNOMIAL;
    }
}

Variable Documentation

union { ... } crc::CRC_buffer

Referenced by CRC(), and PutCRC().

unsigned char crc::Data

Definition at line 30 of file crc.h.

unsigned char crc::Head

Definition at line 32 of file crc.h.

struct { ... } crc::Part

unsigned short crc::Remainder

Definition at line 31 of file crc.h.

unsigned long crc::Whole

Definition at line 27 of file crc.h.