HPMS

High Priority Message Status

This register is updated every time a Message ID filter element configured to generate a priority event matches. This can be used to monitor the status of incoming high priority messages and to enable fast access to these messages.

Name:: HPMS
Offset:: 0x94
Reset:: 0x00000000
Access:: Read-only

Bit31	30	29	28	27	26	25	24

Access
Reset
Bit23	22	21	20	19	18	17	16

Access
Reset
Bit15	14	13	12	11	10	9	8
FLST	FIDX[6:0]
AccessR	R	R	R	R	R	R	R
Reset0	0	0	0	0	0	0	0
Bit7	6	5	4	3	2	1	0
MSI[1:0]		BIDX[5:0]
AccessR	R	R	R	R	R	R	R
Reset0	0	0	0	0	0	0	0

Bit 15 – FLST: Filter List

Filter List

Indicates the filter list of the matching filter element.

Value	Description
0	Standard Filter List.
1	Extended Filter List.

Bits 14:8 – FIDX[6:0]: Filter Index

Filter Index

Index of matching filter element. Range is 0 to SIDFC.LSS - 1 (standard) or XIDFC.LSE - 1 (extended).

Bits 7:6 – MSI[1:0]: Message Storage Indicator

Message Storage Indicator

This field defines the message storage information to a FIFO.

Value	Name	Description
0x0	NONE	No FIFO selected.
0x1	LOST	FIFO message lost.
0x2	FIFO0	Message stored in FIFO 0.
0x3	FIFO1	Message stored in FIFO 1.

Bits 5:0 – BIDX[5:0]: Buffer Index

Buffer Index

Index of Rx FIFO element to which the message was stored. Only valid when MSI[1] = 1.