Diagnostic file format

[leducp]

Here is a proposal to post analyse a network behavior with a dedicated tool.

File/Stream Header

Entry	type	value if constant	meaning
Magic number	u32	TODO	To recognize file format
Version	u16	1	File format version
Start time	u64	N/A	Start time in ns since UNIX Epoch)
Data section	u64	N/A	Offset of the data section

Data block header

Entry	type	meaning
Block type	u16	To recognize block format
Slave address	u16	Slave address that generates this block
Timestamp	u64	timestamp of the block in ns
Data	Block type dependent	Data of the block. Cf. following sections

Slave description

Block type: 1

Entry	type	meaning
Vendor ID	u32	cf. SSI doc
Product code	u32	cf. SSI doc
Revision number	u32	cf. SSI doc
Serial number	u32	cf. SSI doc

DL Status

Block type: 2

Entry	type	meaning
DL status	u16	cf. register doc

AL Status

Block type: 3

Entry	type	meaning
AL status	u16	cf. register doc
AL code	u16	cf. register doc

Error counters

Block type: 4

Entry	type	meaning
Error counters	sizeof(ErrorCounters)	cf. register doc