User's Manual
DRAFT TrimTrac 1.5 Technical Manual v0.3ab vii
TrimTrac State Machine............................................................................................................................... 52
Introduction................................................................................................................... 52
State Machine Overview............................................................................................... 52
Motion Detection and Filtering..................................................................................... 54
State Machine Design Details....................................................................................... 54
Alert Handling – Vehicle Adapter or Control Module ................................................. 55
IDLE State .................................................................................................................... 57
FIX State ....................................................................................................................... 59
STATUS State .............................................................................................................. 60
TRANSMIT State ......................................................................................................... 61
QUERY State................................................................................................................ 67
DELAY State................................................................................................................ 69
Alert Processing ........................................................................................................................................... 71
Summary of Alert Sequence Processing....................................................................... 71
Priority and Status-Levels............................................................................................. 71
High Priority Alert Processing...................................................................................... 72
Medium Priority Alert Processing ................................................................................ 73
Low Priority Alert Processing ...................................................................................... 73
Server Application-side Considerations ....................................................................... 74
TrimTrac 1.5 Configuration ......................................................................................................................... 78
Introduction................................................................................................................... 78
Provisioning Mode and Equipment .............................................................................. 78
Provisioning Set-up....................................................................................................... 78
Provisioning AT Commands......................................................................................... 82
TrimTrac 1.5 Defaults ................................................................................................................................ 102
Introduction................................................................................................................. 102
Security Considerations .............................................................................................. 102
Diagnostics.................................................................................................................. 103
TrimTrac Application Protocol .................................................................................................................. 105
Introduction................................................................................................................. 105
Message Format.......................................................................................................... 105
TrimTrac Application Protocol Message Summary (Sorted by Name)...................... 109
TrimTrac Application Protocol Message Summary (Sorted by Header).................... 110
TrimTrac Command and Response Summary............................................................ 111
Configuration Messages.............................................................................................. 112
Query Messages.......................................................................................................... 123
Position, Status and Response Messages.................................................................... 127
Specifications ............................................................................................................................................. 141
TrimTrac Part Numbers.............................................................................................................................. 142
Bibliography............................................................................................................................................... 143
Glossary...................................................................................................................................................... 144
Quick Reference Tables ............................................................................................................................. 146