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APPENDIX C: "IE Extended" SB Protocol
The serial string that is send to the SB (scoreboard) is 'ASCII' and the string length = 11 Chars
Structure of the string : [STX][Mode]HHMMSShh[CR]
[STX]
Mode= 05 Hex
Mode= 00 Hex
Mode= 04 Hex
[CR] = 0D Hex
HH : hours (with leading zeros)
MM : minutes (with leading spaces)
SS : seconds (with leading spaces)
hh : hundredths of a second (with leading zero)
[ ] : ASCII space character
Update period = 0.1 or 1 second (see scoreboard preferences in the MacFinish program)
Lap display time = 5, 10, 15,... seconds
MacFinish ready :
Running time:
Split time:
Arrival time:
Example :Update =0.1 sec and lap display = 5 sec, Start of text and Mode are not printable chars.
00000000
00000010
00000020
.....
00000100
00000110
00000120
.....
00000980
00000990
00000997
00001500
00001510
.....
00013960
00013970
00013975
= 02 Hex
= Start of text
-> Clock has stopped
-> Clock is running
-> Split time
= carriage return
The system will send : [STX][05Hex]00000000[CR]
Every 'Update period' seconds the system sends : [STX][ 00Hex]HHMMSShh[CR]
The system sends a split time record : [STX][04Hex]HHMMSShh[CR]
The system will wait for 'Lap display time' seconds.
The system sends the arrival time record : [STX][05Hex]HHMMSShh[CR]
MacFinish ready
After 0.1 sec
After 0.2 sec
After 1 sec
After 1.1 sec
After 1.2 sec
After 9.8 sec
After 9.9 sec
Split time 9"97
After 15 seconds
After 15.1 seconds
After 1 min 39.6 seconds
After 1 min 39.7 seconds
Arrival time 1'39"75
MacFinish 2D-USB y software MF8.x