FlexRay Communication Controller (FLEXRAY)
22-32
Freescale Semiconductor
PXR40 Microcontroller Reference Manual, Rev. 1
22.5.2.20 Protocol Status Register 1 (PSR1)
STARTUP
STATE
Startup State — protocol related variable:
vPOC!StartupState.
This field indicates the current sub-state of the
startup procedure.
0000 reserved
0001 reserved
0010
POC:coldstart collision resolution
0011
POC:coldstart listen
0100
POC:integration consistency check
0101
POC:integrationi listen
0110 reserved
0111
POC:initialize schedule
1000 reserved
1001 reserved
1010
POC:coldstart consistency check
1011 reserved
1100 reserved
1101
POC:integration coldstart check
1110
POC:coldstart gap
1111
POC:coldstart join
WAKEUP
STATUS
Wakeup Status — protocol related variable:
vPOC!WakeupStatus
. This field provides the outcome of the
execution of the wakeup mechanism.
000 UNDEFINED
001 RECEIVED_HEADER
010 RECEIVED_WUP
011 COLLISION_HEADER
100 COLLISION_WUP
101 COLLISION_UNKNOWN
110 TRANSMITTED
111 reserved
Base + 0x002A
Additional Reset: CSAA, CSP, CPN: RUN Command
Write: Normal Mode
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
R CSAA CSP
0
REMCSAT
CPN
HHR
FRZ
APTAC
W
w1c
Reset
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Figure 22-20. Protocol Status Register 1 (PSR1)
Table 22-26. PSR1 Field Descriptions
Field
Description
CSAA
Cold Start Attempt Aborted Flag — protocol related event: ‘set coldstart abort indicator in CHI’
This flag is set when the controller has aborted a cold start attempt.
0 No such event
1 Cold start attempt aborted
CSP
Leading Cold Start Path — This status bit is set when the controller has reached the
POC:normal active
state
via the leading cold start path. This indicates that this node has started the network
0 No such event
1
POC:normal active
reached from
POC:startup
state via leading cold start path
Table 22-25. PSR0 Field Descriptions (continued)
Field
Description
Содержание PXR4030
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