FastCrc Class Reference

#include <fast_crc.hpp>

Static Public Member Functions
static auto	set_crc32_init_value (const uint32_t start) -> uint32_t
static auto	fast_crc32 (uint32_t sum, const unsigned char *ptr, uint32_t len) -> uint32_t
static auto	check_app_valid (const std::string_view file_path) -> bool
static auto	check (char *base, const uint32_t size=DEFAULT_SIZE) -> bool

Static Public Attributes
static constexpr uint32_t	POLY = 0x4C11DB7
static constexpr size_t	DEFAULT_SIZE = 0x08080000 - 0x08008000
static constexpr size_t	BIT_IN_BYTE = 8
static constexpr int	UINT32_BIT_COUNT = 32
static constexpr int	TOP_BYTE_SHIFT = 24
static constexpr uint32_t	BYTE_MASK = 0xFF
static constexpr uint32_t	ERASED_FLASH_MARKER = 0xFFFFFFFF

Detailed Description

Definition at line 15 of file fast_crc.hpp.

Member Function Documentation

check()

auto FastCrc::check ( char * base, const uint32_t size = DEFAULT_SIZE ) -> bool

inlinestatic

Definition at line 76 of file fast_crc.hpp.

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check_app_valid()

auto FastCrc::check_app_valid ( const std::string_view file_path ) -> bool

inlinestatic

Definition at line 48 of file fast_crc.hpp.

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fast_crc32()

auto FastCrc::fast_crc32 ( uint32_t sum, const unsigned char * ptr, uint32_t len ) -> uint32_t

inlinestatic

Definition at line 39 of file fast_crc.hpp.

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set_crc32_init_value()

auto FastCrc::set_crc32_init_value ( const uint32_t start ) -> uint32_t

inlinestatic

Definition at line 23 of file fast_crc.hpp.

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Member Data Documentation

BIT_IN_BYTE

size_t FastCrc::BIT_IN_BYTE = 8

staticconstexpr

Definition at line 19 of file fast_crc.hpp.

BYTE_MASK

uint32_t FastCrc::BYTE_MASK = 0xFF

staticconstexpr

Definition at line 22 of file fast_crc.hpp.

DEFAULT_SIZE

size_t FastCrc::DEFAULT_SIZE = 0x08080000 - 0x08008000

staticconstexpr

Definition at line 18 of file fast_crc.hpp.

ERASED_FLASH_MARKER

uint32_t FastCrc::ERASED_FLASH_MARKER = 0xFFFFFFFF

staticconstexpr

Definition at line 74 of file fast_crc.hpp.

POLY

uint32_t FastCrc::POLY = 0x4C11DB7

staticconstexpr

Definition at line 17 of file fast_crc.hpp.

TOP_BYTE_SHIFT

int FastCrc::TOP_BYTE_SHIFT = 24

staticconstexpr

Definition at line 21 of file fast_crc.hpp.

UINT32_BIT_COUNT

int FastCrc::UINT32_BIT_COUNT = 32

staticconstexpr

Definition at line 20 of file fast_crc.hpp.

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The documentation for this class was generated from the following file:

• fast_crc.hpp