Sony FCB-ER8550 - Page 66

FCB-ER8550/CR8550(GB) D-201-100-12(1)
66
Chunk list and detailed specifications (Ver.1.0)
Description of type
uint Unsigned integer (Does not depend on the data length.)
Binary Binary data string
Chunk type Description
DATV Version of firmware data structure
■ Limiting conditions
This necessarily exists as a chunk at the top.
■ Data arrangement
Arrangement Size [Byte] Type Value
DATV Chunk{
length
4 uint 0x00000004
type
4 uint 'DATV'
firmDataVersion
2 uint
reserved
2 uint
}
■ Meaning
firmDataVersion
This indicates the protocol version of user firmware update.
Fixed to 0x0100.
reserved
0x0000
PROV Communication protocol version of firmware update
■ Limiting conditions
This necessarily exists as the second chunk.
■ Data arrangement
Arrangement Size [Byte] Type Value
PROV Chunk{
length
4 uint 0x00000004
type
4 uint 'PROV'
firmProtocolVersion
2 uint
reserved = 0
2 uint 0x0000
}
■ Meaning
firmProtocolVersion
This indicates the protocol version of user firmware update.
Fixed to 0x0100.