Bosch TTCAN User Manual

Page of 77
User’s Manual
BOSCH
Revision 1.6
TTCAN
 11.11.02
manual_about.fm
 3.5.9 TT Global Time Register (addresses 0x35 & 0x34)
Global_Time Global Time of the TTCAN network
0x0000-0xFFFF
Actual Global Time value.
 3.5.10 TT Cycle Time Register (addresses 0x37 & 0x36)
Cycle_Time Cycle Time of the TTCAN basic cycle
0x0000-0xFFFF
Actual Cycle Time value.
 3.5.11 TT Local Time Register (addresses 0x39 & 0x38)
Local_Time Local Time of the TTCAN node
0x0000-0xFFFF
Actual Local Time value.
 3.5.12 TT Master State Register (addresses 0x3B & 0x3A)
RTO
Ref_Trigger_Offset
0x00-0xFF
The actual value of the Ref_Trigger_Offset.
WfE
Wait for Event
one
The node waits for event triggered Reference Message.
zero
The node does not wait for event triggered Reference Message.
TMP2-0
Time Master Priority
0x0-0x7
The priority of the actual Time Master.
SyncSt
TTCAN Synchronisation State
0x0
Out of Synchronisation
0x1
Synchronising to TTCAN communication
0x2
In_Gap, Schedule suspended by Gap
0x3
In_Schedule, Synchronised to Schedule
MState
TTCAN Master State and Operating Mode
0x0
Node does not take part in TTCAN communication
0x1
Node is operating as Time Slave
0x2
Node is operating as Backup Time Master
0x3
Node is operating as Current Time Master
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Global_Time
r
r
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Cycle_Time
r
r
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Local_Time
r
r
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
RTO
WfE
TMP2-0
SyncSt
MState
r
r
r
r
r