MCAN_HPMS

MCAN 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.

  0x94 32 Read-only 0x00000000  

MCAN High Priority Message Status

Bit  31 30 29 28 27 26 25 24  
                   
Access                   
Reset                   
Bit  23 22 21 20 19 18 17 16  
                   
Access                   
Reset                   
Bit  15 14 13 12 11 10 9 8  
  FLST FIDX[6:0]  
Access  R R R R R R R R  
Reset  0 0 0 0 0 0 0 0  
Bit  7 6 5 4 3 2 1 0  
  MSI[1:0] BIDX[5:0]  
Access  R R R R R R R R  
Reset  0 0 0 0 0 0 0 0  

Bits 5:0 – BIDX[5:0]: Buffer Index

Buffer Index

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

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

Message Storage Indicator

ValueNameDescription
0 NO_FIFO_SEL

No FIFO selected.

1 LOST

FIFO message lost.

2 FIFO_0

Message stored in FIFO 0.

3 FIFO_1

Message stored in FIFO 1.

Bits 14:8 – FIDX[6:0]: Filter Index

Filter Index

Index of matching filter element. Range is 0 to MCAN_SIDFC.LSS - 1 resp. MCAN_XIDFC.LSE - 1.

Bit 15 – FLST: Filter List

Filter List

Indicates the filter list of the matching filter element.

ValueDescription
0

Standard filter list

1

Extended filter list