Bootloader_packet_handler

bootloader_packet_handler Firmware More...

Collaboration diagram for Bootloader_packet_handler:

Classes
struct	PacketManager
	Stores info related to receiving data. More...

Functions
BootloaderError	packet_handler_init (PacketManager *pm)
	Initialize the PacketManager struct. More...
BootloaderError	bootloader_start (PacketManager *pm, BootloaderDatagram *datagram)
	Function call for the BOOTLOADER_START state. More...
BootloaderError	bootloader_receive_data (PacketManager *pm, BootloaderDatagram *datagram, uint8_t *flash_buffer)
	Function call for the BOOTLOADER_DATA_RECEIVE state. More...
BootloaderError	bootloader_wait_sequencing (PacketManager *pm, BootloaderDatagram *datagram)
	Function call for BOOTLOADER_WAIT_SEQUENCING state. More...
BootloaderError	bootloader_ping (PacketManager *pm, BootloaderDatagram *datagram, uint8_t *flash_buffer)
	Function call for the BOOTLOADER_PING state. More...

Detailed Description

bootloader_packet_handler Firmware

Function Documentation

bootloader_ping()

BootloaderError bootloader_ping	(	PacketManager *	pm,
		BootloaderDatagram *	datagram,
		uint8_t *	flash_buffer
	)

Function call for the BOOTLOADER_PING state.

Sends over misc data (Not yet completed)

Parameters

pm	Believe it or not, it is a pointer to the PacketManager struct
datagram	Pointer to the incoming datagram
flash_buffer	The current buffer to be flashed

Returns

BOOTLOADER_ERROR_NONE if successful

bootloader_receive_data()

BootloaderError bootloader_receive_data	(	PacketManager *	pm,
		BootloaderDatagram *	datagram,
		uint8_t *	flash_buffer
	)

Function call for the BOOTLOADER_DATA_RECEIVE state.

Receives incoming chunks, if buffer is the size of one page, flash onto board

Parameters

pm	Pointer to the PacketManager struct
datagram	A pointer to the incoming datagram
flash_buffer	The current buffer to be flashed

Returns

BOOTLOADER_ERROR_NONE if successful

bootloader_start()

BootloaderError bootloader_start	(	PacketManager *	pm,
		BootloaderDatagram *	datagram
	)

Function call for the BOOTLOADER_START state.

Primes everything to start receiving data

Parameters

pm	Pointer to the PacketManager struct
datagram	A pointer to the incoming datagram

Returns

BOOTLOADER_DATA_NOT_ALIGNED, BOOTLOADER_ERROR_NONE

bootloader_wait_sequencing()

BootloaderError bootloader_wait_sequencing	(	PacketManager *	pm,
		BootloaderDatagram *	datagram
	)

Function call for BOOTLOADER_WAIT_SEQUENCING state.

Validates datagram packets, in terms of sequencing, to ensure packets were not missed

Parameters

pm	Pointer to the PacketManager struct
datagram	Pointer to incoming datagram

Returns

BOOTLOADER_ERROR_NONE if successful else BOOTLOADER_SEQUENCE_ERROR

packet_handler_init()

BootloaderError packet_handler_init

(

PacketManager *

pm

)

Initialize the PacketManager struct.

Parameters

pm	A pointer to the PacketManager struct

Returns

BOOTLOADER_ERROR_NONE on success