Bootstrap

bootstrap Firmware More...

Macros
#define	BOOTLOADER_ADDR   0x08008000
#define	BOOTLOADER_SIZE   0x00007000
#define	APPLICATION_ADDR   0x08018000
#define	CRC_FILE_PATH   "crc.txt"
#define	CRC_SIZE   8
#define	CRC32_POLY   0xEDB88320UL

Typedefs
typedef void(*	EntryPoint) (void)

Functions
void	jump_to (uint32_t addr)
void	crc32_init (void)
void	compute_crc32 (const uint8_t *data, size_t length, uint32_t *crc_dest)
StatusCode	read_crc32 (const char *file_path, size_t length, uint8_t *crc_dest)
void	bootstrap_main (void)

Variables
uint32_t	crc32_table [256]

Detailed Description

bootstrap Firmware

Function Documentation

bootstrap_main()

void bootstrap_main

(

void

)

Main application executed at runtime

compute_crc32()

void compute_crc32	(	const uint8_t *	data,
		size_t	length,
		uint32_t *	crc_dest
	)

Manually computes CRC

crc32_init()

void crc32_init

(

void

)

Initializes the crc32 table

jump_to()

void jump_to

(

uint32_t

addr

)

Jumps to a specific address in memory

read_crc32()

StatusCode read_crc32	(	const char *	file_path,
		size_t	length,
		uint8_t *	crc_dest
	)

Reads CRC value from file system