UM0934 datasheet(50/113 Pages) STMICROELECTRONICS

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Host interface

UM0934

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Doc ID 17389 Rev 2

5.3.6

CMD_WriteDBConfirm (42h)

This command is sent by the ST7570 to acknowledge a CMD_WriteDBRequest() if the

request has been accepted and executed without errors. Otherwise a CMD_WriteDBError()

is returned.

The field ConfirmData returned by this command has the same format and content of the

field RequestData (Table 27) of the CMD_WriteDBRequest().

5.3.7

CMD_WriteDBError (43h)

This command is sent by the ST7570 to notify that a CMD_WriteDBRequest() performed by

the external host has been rejected because of invalid request data.

Table 27.

CMD_WriteDBRequest: RequestData

Byte index

Label

Description

0..1

INDEX

Database entry index. Refer to the MIB table for available objects.

LSByte sent first, the MSB is set at 00h.

2..variable

DATA

Data to be written in the MIB location INDEX.

Table 28.

CMD_WriteDBConfirm: Syntax

Source

Command(Args)

Possible response

ST7570

CMD_WriteDBConfirm(ConfirmData)

None

Table 29.

CMD_WriteDBError: Syntax

Source

Command(Args)

Possible response

ST7570

CMD_WriteDBError(ErrorData)

None

Table 30.

CMD_WriteDBError: ErrorData

Byte index

Label

Description

0ERROR

Error code:

11h: ERR_UNAVAILABLE_RESOURCE: the selected MIB object does not

exist or it does not exist for the current operating mode (MAC or PHY)

12h: ERR_REQUEST_NOT_ALLOWED: the writing request to a MIB object

failed

22h: ERR_ILLEGAL_DATA_COMMAND: the format or value of the request

data is not valid for the selected object

23h: ERR_ILLEGAL_LOCAL_MAC_ADR: invalid local MAC address

24h: ERR_ILLEGAL_INITIATOR_MAC_ADR: invalid initiator MAC address

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