Instruction manual

Page 60 Z-12 Real-Time Sensor Operation and Reference Manual
receive the response. If the destination port is not specified, the response message
goes to the port that received the request.
$PASHR,FLS
The response is a message in the form
$PASHR,FLS,eeee,ttt,nn,ffff,dd.hh.mm,ffff
where the fields are as described in Table 4.11.
Example: Check files 18 and 19
$PASHQ,FLS,18
Response:
$PASHR,FLS,0001,020,02,????,74560647,2051,????,74631651,0003**35
where the items in the response message are as described in Table 4.12.
Table 4.11: FLS Structure
Field Descriiption
eeee Free memory in sensor external memory 0 through 6200 kilobytes
ttt Total number of files currently in sensor 1 through 100
nn Number of files matching query criteria 1 through 10
ffff Site name of ith file 4-byte character string
dd.hh.mm GPS week number of the file open time
dd = day of week 0 through 6
hh = hour of day 0 through 23
mm = minutes 0 through 59
ffff Size of file in kilobytes
* data delimiter
h Bytewise XOR checksum beginning with P (hexadecimal)
Table 4.12: Typical FLS Message
Item Description
0001 1000 kilobytes in sensor external memory
020 20 files currently in sensor
02 20-18 (specified file) = 2 Two files are presented, beginning with 18, ending
with 19.
???? Site name of 18th file