srecParser.h File Reference

Declaration of parser of the srec format interface.

Copyright (c) 2020 Microchip Technology Inc. and its subsidiaries.

#include "parts.h"

Macros
#define	ACK   0xb49a5a4d
#define	CHECKSUM_AREA_SIZE   1
#define	EEPROM_AREA_SIZE   0x1000
#define	EEPROM_END_ADDRESS   0x3FFFF
#define	EEPROM_START_ADDRESS   0x00400000
#define	FLASH_END_ADDRESS   (0x3FFFF)
#define	FLASH_START_ADDRESS   0x000000
#define	HANDSHAKE_CONF   0x26d2d369
#define	HANDSHAKE_REQ   0x4b65a5b2
#define	NACK   0xb25a592d
#define	S_SYMBOL   0x53
#define	SRECORD_SIZE   128

Enumerations
enum	SrecordType_t {   S0 = 0x5330,   S1 = 0x5331,   S2 = 0x5332,   S3 = 0x5333,   S5 = 0x5335,   S7 = 0x5337,   S19 = 0x5338,   S9 = 0x5339 }

Functions
void	convertStreamToNumbers (uint8_t *stream, uint8_t size)
	Waiting for a field of the type from the internal address. More...
bool	readFromPreBuffer (uint8_t *data)
	Read data byte from preparser buffer. More...
void	srecHandshake (void)
	Handshake procedure. More...
void	srecProtocol (void)
	Communication support between host and mcu. More...

#define ACK   0xb49a5a4d

#define CHECKSUM_AREA_SIZE   1

Referenced by srecParser().

#define EEPROM_AREA_SIZE   0x1000

#define EEPROM_END_ADDRESS   0x3FFFF

Referenced by srecProtocol().

#define EEPROM_START_ADDRESS   0x00400000

Referenced by srecProtocol().

#define FLASH_END_ADDRESS   (0x3FFFF)

Referenced by flashUpdateAppStartAddr(), and srecProtocol().

#define FLASH_START_ADDRESS   0x000000

#define HANDSHAKE_CONF   0x26d2d369

#define HANDSHAKE_REQ   0x4b65a5b2

Referenced by bootScanInterfaces().

#define NACK   0xb25a592d

#define S_SYMBOL   0x53

Referenced by convertStreamToNumbers(), and srecWaitForType().

#define SRECORD_SIZE   128

enum SrecordType_t

Enumerator
S0
S1
S2
S3
S5
S7
S19
S9

void convertStreamToNumbers	(	uint8_t *	stream,
		uint8_t	size
	)

Waiting for a field of the type from the internal address.

Parameters

[in]	stream	- byte stream from usb;
[in]	size	- size of the converted stream;

References ASCII_0, ASCII_8, asciiToDig(), placed, preBuffer, S_SYMBOL, and srecFinished.

bool readFromPreBuffer

(

uint8_t *

data

)

Read data byte from preparser buffer.

Parameters

[in]

data

- pointer to memory for data byte;

Returns

true - there is data byte; false - preparser buffer is empty

References placed, poR, and preBuffer.

void srecHandshake

(

void

)

Handshake procedure.

References bootScanInterfaces(), bootSetChar(), bootUnInitSerializer(), flag, handshakeConf, lowLevelUnInit(), RESET_FLAG, and system_reset().

Referenced by Boot_main().

void srecProtocol

(

void

)

Communication support between host and mcu.

References BootBuffer_t::address, bootSetChar(), bootUnInitSerializer(), BootBuffer_t::dataSize, EEPROM_END_ADDRESS, EEPROM_START_ADDRESS, eepromFlushPage(), eepromPacketToPage(), flag, FLASH_END_ADDRESS, flashFlushPage(), flashPacketToPage(), lowLevelUnInit(), nvm_erase_row(), previousAddress, BootBuffer_t::recordType, RESET_FLAG, S0, S19, S5, S7, S9, srecACK, srecNACK, srecParser(), and system_reset().

Referenced by Boot_main().