Atmel SpW-10X user manual SpaceWire Router, User Manual, Preliminary

Models: SpW-10X

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Manual background

 

 

 

SpW-10X

Ref.:

UoD_SpW-10X_

 

 

 

 

SpaceWire Router

 

UserManual

 

 

 

 

Issue:

3.4

 

 

 

 

 

User Manual

 

 

 

 

 

Date:

11th July 2008

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

packet is corrupted

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Early EOP

The command packet was

Yes

Early EOP

 

 

5

 

 

 

terminated early with an

 

 

 

 

 

 

 

 

EOP. A reply packet is sent if

 

 

 

 

 

 

 

 

the early EOP error occurs

 

 

 

 

 

 

 

 

on the data part of the packet

 

 

 

 

 

 

 

 

 

 

 

 

 

Cargo too Large

The expected amount of

Yes

Cargo too large

 

6

 

 

 

SpaceWire cargo has been

 

 

 

 

 

 

 

 

received without receiving an

 

 

 

 

 

 

 

 

EOP marker

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Early EEP

The command packet was

Yes

Early EEP

 

 

7

 

 

 

terminated early with an

 

 

 

 

 

 

 

 

EEP. A reply packet is sent if

 

 

 

 

 

 

 

 

the early EEP error occurs

 

 

 

 

 

 

 

 

on the data part of the packet

 

 

 

 

 

 

 

 

 

 

 

 

 

Verify Buffer

The data length field is

Yes

Verify Buffer Overrun

 

9

 

Overrun Error

invalid when performing a

 

 

 

 

 

 

 

 

verified write command. The

 

 

 

 

 

 

 

 

valid length is 4 bytes of

 

 

 

 

 

 

 

 

data.

 

 

 

 

 

 

 

 

 

 

 

 

 

Command not

A command code was

Yes

RMAP Command not

 

10

 

implemented

received which is not

 

implemented or not

 

 

 

 

 

supported by the SpaceWire

 

authorised

 

 

 

 

 

 

router. Supported command

 

 

 

 

 

 

 

 

codes are listed in F1-18.

 

 

 

 

 

 

 

 

 

 

 

 

 

Invalid Data

The data length field is

Yes

RMAP Command not

 

10

 

Length

invalid. A data length error is

 

implemented or not

 

 

 

 

 

recorded when:

 

authorised

 

 

 

 

 

 

1. The data length is

 

(ote 1: a Verify Buffer

 

 

 

 

 

not a multiple of 4.

 

Overrun error shall be

 

 

 

 

2. The data length is

 

returned when the data

 

 

 

 

 

length is not 4 in a

 

 

 

 

 

zero

 

 

 

 

 

 

 

verified write command.

 

 

 

 

3. The data length is

 

Note 2: a Read Modify

 

 

 

 

outside the range 4-

 

Write Data Length error

 

 

 

 

1064 when

 

shall be returned when

 

 

 

 

 

the data length is not 8.

 

 

 

 

performing an

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Preliminary

 

 

75

 

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Atmel SpW-10X user manual SpaceWire Router, User Manual, Preliminary