OpenBSL_Core.c File Reference

Core (HW-independent) source file of OpenBSL implementation. More...

#include "devtypes.h"
#include "OpenBSL.h"
#include "OpenBSL_Int.h"

Macros
#define	PASSWORD_RECEIVED_FLAG   (BV(0))
#define	ENTRY(cmd, func)   func,

Functions
void	OpenBSL_Init (void)
	device/HW initialization function for OpenBSL More...
void	OpenBSL_RunBSL (void)
	BSL main routine. More...
void	OpenBSL_CalcChksum (uint8_t byte, uint16_t *checksum)
	OpenBSL checksum calcuation routine - based on the simple BSD checksum algorithm. More...
void	OpenBSL_ProcGetMemInfo (void)
	send memory info regarding on-chip non-volatile memory More...
void	OpenBSL_ProcEraseImg (void)
	erase application image/memory area More...
void	OpenBSL_ProcDnldImg (void)
	download/write incoming byte streams to application image/memory area, ended with 2 checksum bytes More...
void	OpenBSL_ProcUpldImg (void)
	upload/read application image/memory area as byte streams, ended with 2 checksum bytes More...
void	OpenBSL_ProcCalcChksm (void)
	calculate 2 checksum bytes of given memory area More...
void	OpenBSL_ProcEraseSegment (void)
	erase certain part of application image/memory area More...
void	OpenBSL_ProcDnldSegment (void)
	download/write input bytes to certain part of application image/memory area More...
void	OpenBSL_ProcUpldSegment (void)
	upload/read bytes from certain part of application image/memory area More...
void	OpenBSL_ProcPwdCmd (void)
	process incoming password to unlock other commands More...
void	OpenBSL_ProcJumpToAddr (void)
	process command to jump to certain given address More...
void	OpenBSL_ProcRunApp (void)
	process command to run application (jump to application reset vector at address APP_MEM_RESET_VECT_ADDR More...

Variables
const OpenBSL_MemSect_t	MemInfo [OPEN_BSL_NUM_OF_MEM_SECTIONS]
uint16_t	OpenBSL_InChecksum = 0
uint16_t	OpenBSL_OutChecksum = 0

Detailed Description

Core (HW-independent) source file of OpenBSL implementation.

Version

0.1

Remarks

Function Documentation

void OpenBSL_CalcChksum	(	uint8_t	byte,
		uint16_t *	checksum
	)

OpenBSL checksum calcuation routine - based on the simple BSD checksum algorithm.

OpenBSL_CalcChksum()

Parameters

[in]	byte	input byte
[out]	checksum	pointer to the checksum buffer

Returns

-

void OpenBSL_Init

(

void

)

device/HW initialization function for OpenBSL

OpenBSL_Init()

Parameters

-

Returns

-

void OpenBSL_ProcCalcChksm

(

void

)

calculate 2 checksum bytes of given memory area

OpenBSL_ProcCalcChksm

Parameters

-

Returns

-

void OpenBSL_ProcDnldImg

(

void

)

download/write incoming byte streams to application image/memory area, ended with 2 checksum bytes

OpenBSL_ProcDnldImg

Parameters

-

Returns

-

void OpenBSL_ProcDnldSegment

(

void

)

download/write input bytes to certain part of application image/memory area

OpenBSL_ProcDnldSegment

Parameters

-

Returns

-

void OpenBSL_ProcEraseImg

(

void

)

erase application image/memory area

OpenBSL_ProcEraseImg

Parameters

-

Returns

-

void OpenBSL_ProcEraseSegment

(

void

)

erase certain part of application image/memory area

OpenBSL_ProcEraseSegment

Parameters

-

Returns

-

void OpenBSL_ProcGetMemInfo

(

void

)

send memory info regarding on-chip non-volatile memory

OpenBSL_ProcGetMemInfo

Parameters

-

Returns

-

void OpenBSL_ProcJumpToAddr

(

void

)

process command to jump to certain given address

OpenBSL_ProcJumpToAddr

Parameters

-

Returns

-

Remarks

CMD packet format:

CMD (1 byte) = OPEN_BSL_CMD_JUMP_TO_ADDR ADDR (4 bytes) =

positive RESPONSE packet format:

---

| RESP |

RESP (1 byte) = OPEN_BSL_CMD_JUMP_TO_ADDR | OPEN_BSL_RESP_BIT_MASK

void OpenBSL_ProcPwdCmd

(

void

)

process incoming password to unlock other commands

OpenBSL_ProcPwdCmd

Parameters

-

Returns

-

void OpenBSL_ProcRunApp

(

void

)

process command to run application (jump to application reset vector at address APP_MEM_RESET_VECT_ADDR

OpenBSL_ProcRun

Parameters

-

Returns

-

Remarks

CMD packet format:

---

| CMD | ADDR |

CMD (1 byte) = OPEN_BSL_CMD_RUN_APP

positive RESPONSE packet format:

---

| RESP |

RESP (1 byte) = OPEN_BSL_CMD_RUN_APP | OPEN_BSL_RESP_BIT_MASK

void OpenBSL_ProcUpldImg

(

void

)

upload/read application image/memory area as byte streams, ended with 2 checksum bytes

OpenBSL_ProcUpldImg

Parameters

-

Returns

-

void OpenBSL_ProcUpldSegment

(

void

)

upload/read bytes from certain part of application image/memory area

OpenBSL_ProcUpldSegment

Parameters

-

Returns

-

void OpenBSL_RunBSL

(

void

)

BSL main routine.

OpenBSL_RunBSL()

Parameters

-

Returns

-