feat(location):Add script to log gps via Ozzmaker BerryGPS-IMU
[EVA-2020-02.git] / exec / bkgpslog
1 #!/bin/bash
2
3 # Date: 2020-03-30T02:13Z
4 # Author: Steven Baltakatei Sandoval
5
6 #== Variable Initialization ==
7
8 #== Global constants ==
9 PATH="/usr/local/bin/:$PATH" # Add default OpenTimestamps path to PATH (necessary if cron used to call this script)
10 PATH="/opt/bktei:$PATH" # Add default baltakatei script install directory to PATH (necessary for other bk scripts)
11 SCRIPT_HOSTNAME=$(hostname) # Save hostname of system running this script.
12 SCRIPT_VERSION="bkgpslog 0.0.1" # Define version of script.
13 SCRIPT_TIME_SHORT="$(date +%Y%m%dT%H%M%S%z)" # Save current date & time in ISO-8601 format.
14 SCRIPT_DATE_SHORT="$(date +%Y%m%d)" # Save current date in ISO-8601 format.
15 #DIROUT1="/home/pi/Sync/Evanescent_Location" # Define output directory.
16
17 #== Function Definitions ==
18 echoerr() {
19 echo "$@" 1>&2; # Define stderr echo function.
20 } # Define stderr message function.
21 showUsage() {
22 echoerr "USAGE:"
23 echoerr " bkgpslog.sh [ options ]"
24 echoerr
25 echoerr "OPTIONS:"
26 echoerr " -h, --help"
27 echoerr " Display help information."
28 echoerr
29 echoerr " --version"
30 echoerr " Display script version."
31 echoerr
32 echoerr " -v, --verbose"
33 echoerr " Display debugging info."
34 echoerr
35 echoerr " -o, --output [ directory ]"
36 echoerr " Specify output directory to save logs."
37 } # Display information on how to use this script.
38 showVersion() {
39 echoerr "$SCRIPT_VERSION"
40 } # Display script version.
41 vbm() {
42 if [ $OPTION_VERBOSE -eq "true" ]; then
43 echoerr "$@"
44 fi
45 } # Verbose message display function.
46 processArguments() {
47 while [ ! $# -eq 0 ]; do # While number of arguments ($#) is not (!) equal to (-eq) zero (0).
48 echoerr "DEBUG:Starting processArguments while loop."
49 echoerr "DEBUG:Provided arguments are:""$@"
50 case "$1" in
51 --h | --help) showUsage; exit 1;; # Display usage.
52 --version) showVersion; exit 1;; # Show version
53 --v | --verbose) OPTION_VERBOSE="true"; vbm "DEBUG:Verbose mode enabled.";; # Enable verbose mode.
54 --o | --output) if [ -d "$2" ]; then DIROUT1="$2"; fi ;; # Define output directory.
55 *) echoerr "ERROR: Unrecognized argument."; exit 1;; # Handle unrecognized options.
56 esac
57 shift
58 done
59 } # Argument Processing
60 checkExecutables() {
61
62 } # Check that certain executables exist.
63
64 main() {
65 processArguments # Process arguments.
66 checkExecutables "gpspipe" # Confirm that executables necessary to run are available.
67 } # Main function.
68
69
70
71
72
73
74 if [[ -d "$DIROUT1" ]] && command -v "gpspipe" 1>/dev/null 2>/dev/null ; then
75 while true; do
76 #echoerr "DEBUG:Starting while loop."
77 # Update time constants
78 TIME_CURRENT="$(date --iso-8601=seconds)" ;
79 #echoerr "DEBUG:TIME_CURRENT is:""$TIME_CURRENT" ;
80 TIME_CURRENT_SHORT="$(date -d "$TIME_CURRENT" +%Y%m%dT%H%M%S%z)"
81 #echoerr "DEBUG:TIME_CURRENT_SHORT is""$TIME_CURRENT_SHORT"
82 DATE_CURRENT="$(date -d "$TIME_CURRENT" --iso-8601=date)" ;
83 #echoerr "DEBUG:DATE_CURRENT is:""$DATE_CURRENT" ;
84 DATE_CURRENT_SHORT="$(date -d "$TIME_CURRENT" +%Y%m%d)" ;
85 #echoerr "DEBUG:DATE_CURRENT is:""$DATE_CURRENT_SHORT" ;
86 DATE_TOMORROW="$(date -d "$TIME_CURRENT next day" --iso-8601=date)" ;
87 #echoerr "DEBUG:DATE_TOMORROW is:""$DATE_TOMORROW" ;
88 TIME_NEXT_MIDNIGHT="$(date -d "$DATE_TOMORROW" --iso-8601=seconds)" ;
89 #echoerr "DEBUG:TIME_NEXT_MIDNIGHT is:""$TIME_NEXT_MIDNIGHT" ;
90 SECONDS_UNTIL_NEXT_MIDNIGHT="$(( $(date +%s -d "$TIME_NEXT_MIDNIGHT") - $(date +%s -d "$TIME_CURRENT") ))" ;
91 #echoerr "DEBUG:SECONDS_UNTIL_NEXT_MIDNIGHT is:""$SECONDS_UNTIL_NEXT_MIDNIGHT" ;
92 if [ "$SECONDS_UNTIL_NEXT_MIDNIGHT" -eq 0 ]; then echoerr "WARNING:Is it exactly midnight?" ; continue; fi ; # Exit loop early if equal to 0 because "timeout 0s" never ends.
93 if [ "$SECONDS_UNTIL_NEXT_MIDNIGHT" -lt 0 ]; then echoerr "ERROR:Time until midnight error." ; exit 1; fi ; # Exit script if equal to 0 because "timeout 0s" never ends.
94
95 # Update output file names.
96 DIROUTN="$DIROUT1" ;
97 FILEOUTN="$DATE_CURRENT_SHORT""..""$(hostname)""_location.nmea" ;
98
99 # Append location log until midnight.
100 timeout "$SECONDS_UNTIL_NEXT_MIDNIGHT""s" gpspipe -r 1>> "$DIROUTN"/"$FILEOUTN" 2>>/dev/null ; # log raw nmea data
101 done
102
103 #gpspipe -r -d -l -o "$DIROUT1"/"$FILEOUT1" ;
104
105 else
106 echo "$SCRIPT_TIME_SHORT"">gpspipe or $DIROUT1 not found." >> ~/"$SCRIPT_DATE_SHORT"..error.log ;
107 fi