UM0934 datasheet(55/113 Pages) STMICROELECTRONICS

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UM0934

Host interface

Doc ID 17389 Rev 2

55/113

5.3.14

CMD_AlarmIndication (8Ah)

This command exports the following services to the external host:

●

PHY mode: P_Alarm.Indication

●

MAC mode: M_Alarm.Indication.

This command is sent by the ST7570 to indicate the receipt of an alarm.

The additional data provided depends on the indication format selected through MIB object

0086h (SN indication, Section 6.5.28):

●

Short alarm indication: the modem sends a 4-byte counter for the number of alarms

received

●

Long alarm indication: the modem sends a 4-byte alarm counter followed by the signal

and noise estimations.

Table 43.

CMD_DataConfirm: ConfirmData (PHY or MAC mode)

Byte index

Label

Description

0CONFIRM_CODE

PHY mode:

LP_TU (00h): PHY layer is busy (e.g.: another transmission is

already pending or in progress, data request outside the

acceptance window)

LM_SE (03h): Length not correct on DataRequest

LP_NS (04h): Modem is not mains-synchronized

LP_NOT_VALID (06h): No data request pending or error at

physical layer

LP_OK (FFh) : No error

MAC mode:

LM_TU (00h): MAC layer is busy

LM_NI (01h): Not available type

LP_HF (02h): Error at physical level

LM_SE (03h): Length not correct on DataRequest

LM_NS (04h): Modem is not synchronized

LM_IS (05h): Modem is during Intelligent Synchronization Search

LM_NOT_VALID (06h): No data request pending

LM_OK (FFh): No error

Table 44.

CMD_AlarmIndication: Syntax

Source

Command(Args)

Possible response

ST7570

CMD_AlarmIndication(Data)

None

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