Keystone GPS System 2007 Era

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NOTE This is the from the 2007 era Delphi based GPS system. The core of this remains in Keystone dispatch and integrates with the current cloud/.net versions of Keystone.


Background

Keystone GPS is completely written on the Keystone platform using Delphi and Interbase.

Pathway for a GPS Message

  • GPS Modem Transmits Signal via Cellular Network Over Internet to Programmed IP Address
  • Message Received by Device Server on Communications PC
  • Message Passed to Device Aggregator on Communications PC
  • Device Aggregator writes message to GPTSTATUS table


Major Software Components:

  • Device Server
  • Device Aggregator

Database Change:

  • GPTSTATUS: Stores all GPS incoming data.

Hardware: Keystone GPS is compatible with both DataRemote and Bluetree systems.


Device Configuration

GPSCOMPANIES (string)

Comma-separated list of companies containing trucks to be processed

ONJOBSTOPTIME (integer, default=6)

Number of minutes truck must be stopped to be considered on-job (0=disabled)

USEGEOFENCING (boolean, default=False)

True to automatically determine on-job and returned statuses based on GPS coordinates

USEODOMETER (boolean, default=True)

True to obtain vehicle odometer reading from GPS device
False to calculate straight-line distance from last valid GPS coordinate

USESERVERTIME (boolean, default=False)

True to use the server time for incoming status messages
False to use the time from the incoming status messages

VALIDLAT (float)

The validation point's latitude(*)

VALIDLONG (float)

The validation point's longitude(*)

VALIDRADIUS (float)

The radius from the validation point(*)

(*)All incoming GPS coordinates within the validation radius are marked as valid coordinates, those outside the radius are marked as invalid but are still recorded.

GPTSTATUS

select * from gptstatus
where truck_no='74' order by seq_no desc
rows 1 to 100

STATUS_COL values:

1 Begin Load
2 End Load
3 Leave Plant
4 Arrive Job
5 Begin Pour
6 End Pour
7 Leave Job
8 Arrive Plant
9 In Service
10 Out of Service
11 Clock In
12 Clock Out
13 GPS Data
14 Pre-Ticket

STATUS_REASON values:

0 GPS Data
1 Manual Status
2 Auto Status
3 On-job based on stop time
4 On-job based on button
5 Loaded based on batch results received
6 Pre-ticketed load released
7 Geofence entered/exited

Queries

Driver Status Analysis: 

SELECT
S.driver_code,
s.truck_no,
status_datetime,
STATUS_COL,
cast(case status_col
when 0 then 'Unknown'
when 1 then 'Beg Load'
when 2 then 'End Load'
when 3 then  'To Job'
when 4 then  'On Job'
when 5 then  'Beg Pour'
when 6 then  'End Pour'
when 7 then  'Returning'
when 8 then  'At Plant' 
when 9 then  'In Serv'
when 10 then  'Out of Serv'
when 11 then  'Trk Clock In'
when 12 then  'Trk Clock Out'
when 13 then  'Travel'
when 14 then  'Pre-Ticket'
when 15 then  'Driver Clockin'
when 16 then  'Driver Clockout'
end  as char(20)) "Status",
Status_reason "Stat Rsn",
cast(case status_reason
  WHEN 0 THEN' gps'
  WHEN 1 THEN' manual'
 WHEN 2 THEN 'auto'
 WHEN 3 THEN 'onjob stop'
 WHEN 4 THEN 'onjob button'when 0 then 'Unknown'
 WHEN 5 THEN 'ld batch'
 WHEN 6 THEN 'pre tkt rls'
 WHEN 7 THEN 'geofence'
 WHEN 8 THEN 'custom'
 WHEN 9 THEN 'set order loc'
  ELSE 'Unknown'
end  as char(20)) "Reason",
s.custom_status "Mode",cs.description "Disp. Mode"
from gptstatus s
left outer join ditcuststat cs on cs.custom_status=s.custom_status
 where status_datetime 
 between :Begin and :End
and ((s.status_col IN (0,1,8,9,10,11,12,15,16))
     OR (s.custom_status<>0) )
Order by Driver_code,status_datetime
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