workable functionality and test for running the station
Ken Barbour
parent
73510ef188
commit
61d6d278a7
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@ -0,0 +1,180 @@
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#!/bin/bash
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## Handles the reception, decoding, and website generation of a single pass
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##
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## usage: __PROG__ [options]
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##
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set -o pipefail
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prog="$0"
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me=${HELP:-$(basename "${prog}")}
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rootdir=$(dirname $(realpath ${BASH_SOURCE}))
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source "${rootdir}/lib/utils.sh"
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# defaults
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freq="137M"
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duration=10
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now=$(date +%s)
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# bandwidth = 2 * (17kHz deviation + 2.4kHz tone) * doppler shift (~1.2kHz)
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# wavfile is determined by options
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function process_args() {
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while (( "$#" ))
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do
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case $1 in
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## --freq <frequency> (default: 137M)
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'--freq')
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freq=${2}
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log "frequency set to ${freq}"
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shift
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;;
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## --duration <seconds> (default: 900)
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'--duration')
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duration=${2}
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log "duration set to ${duration}"
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shift
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;;
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## --gain <integer> (default: auto)
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'--gain')
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gain_flag="-g ${2}"
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log "gain set to ${2}"
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shift
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;;
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## --satellite <name> Satellite name (ex: noaa-15)
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'--satellite')
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satellite=${2}
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shift
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;;
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## --noaa-15 Handle a pass of NOAA 15
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'--noaa-15')
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satellite='noaa-15'
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;;
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## --noaa-18 Handle a pass of NOAA 18
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'--noaa-18')
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satellite='noaa-18'
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;;
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## --noaa-19 Handle a pass of NOAA 19
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'--noaa-19')
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satellite='noaa-19'
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;;
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## --dir <path> Directory to place data (default: ./<month>/<day>)
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'--dir')
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output_path=${2}
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shift
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;;
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## --basename <string> Base name to prefix files with (default: <satellite>-<timestamp>)
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'--basename')
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file_basename=${2}
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shift
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;;
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## --help, -h
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'--help' | '-h')
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usage
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exit
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;;
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*)
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logerr "Unknown argument %s" ${1}
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exit 1
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;;
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esac
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shift
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done
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}
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#
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# @param duration of pass in seconds
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# @param name of satellite 'ex: noaa-15'
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# @param path to output wavfile
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# @output flags to pass to receive pass command
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function receive_pass_flags() {
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local duration=${1}
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local satellite=${2}
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local outfile=${3}
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printf ' --duration %s --%s --output %s' "${duration}" "${satellite}" "${outfile}"
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}
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# @param wavfile path
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# @param name of satellite 'ex: noaa-15'
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# @param timestamp (unix)
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# @param output_prefix
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# @output flags to pass to build images command
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function build_images_flags() {
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local audio_file=${1}
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local timestamp=${2}
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local satellite=${3}
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printf " --timestamp %s --%s %s" "${timestamp}" "${satellite}" "${audio_file}"
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}
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function generate_website_flags() {
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printf ""
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}
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# Determine a reasonable default directory to place files generated
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# @param integer timestamp
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# @output string
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function get_default_dir() {
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local ts=${1:-$(date +%s)}
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echo "./$(date -d @${ts} +%Y\/%m)"
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}
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# Determine a resonable default basename for files generated
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# @param string satellite name
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# @param integer timestamp
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# @output string basename
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function get_default_basename() {
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local satellite=${1:-pass}
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local timestamp=${2:-${now}}
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echo "$(printf "%s" ${satellite} | sed s/-/_/)-${timestamp}"
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}
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# if sourced, return here. the rest of this script has side effects
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if [[ "${BASH_SOURCE[0]}" != "${0}" ]]; then
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return
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fi
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# -- Default Values --
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output_path=${output_path:=$(get_default_dir ${now})}
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satellite=${satellite:='noaa-15'}
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file_basename=${file_basename:=$(get_default_basename "${satellite}" "${now}")}
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# -- Do work below here --
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process_args $@
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mkdir -p ${output_path}
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# Receive the pass (receive_pass.sh)
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audio_file=${output_path}/${file_basename}.wav
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wxrx record $(receive_pass_flags "$duration" "${satellite}" "${audio_file}")
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if [[ $? != 0 ]]; then
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logerr "Errors occurred receiving signal"
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exit 10
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fi
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# TODO: exit if ${audio_file} does not exist
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if [[ ! -r "${audio_file}" ]]; then
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logerr "Missing audio file %s. This is likely a bug in wxrx record" "${audio_file}"
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exit 11
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fi
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# Decode the images
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wxrx decode $(build_images_flags "${audio_file}" "${now}" "${satellite}")
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if [[ $? != 0 ]]; then
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logerr "Errors occurred decoding recorded signal"
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exit 20
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fi
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# Generate website
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wxrx web $(generate_website_flags)
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@ -0,0 +1,80 @@
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#!/usr/bin/bash
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prog="$0"
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me=`basename "$prog"`
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unit=$(realpath $(dirname "$0")/../run_station.sh)
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fixture_dir=$(realpath $(dirname "$0")/fixtures)
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##
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# Tests is a rtl_sdr is connected
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# @return 0 if rtl_sdr is found
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device_is_connected() {
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lsusb | grep RTL2838 > /dev/null
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}
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# test_helptext() {
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# timeout --foreground 1 ${unit} --help >"${stdoutF}" 2>"${stderr}"
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#
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# assertTrue "unexpected error status" ${rtrn}
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# assertNotNull "missing helptext" "`cat ${stdoutF}`"
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# assertNotNull "missing usage" "`grep 'usage:' ${stdoutF}`"
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# assertNull "unexpected STDERR" "`cat ${stderrF}`"
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# }
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test_get_default_dir() {
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source ${unit}
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get_default_dir >${stdoutF} 2>${stderrF}
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assertTrue "unexpected error status with no args" $?
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assertNull "unexpected error output with no args" "`cat ${stderrF}`"
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assertNotNull "unexpected empty output with no args" "`cat ${stdoutF}`"
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get_default_dir 1656770769 >${stdoutF} 2>${stderrF}
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assertTrue "unexpected error status with args" $?
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assertNull "unexpected error output with args" "`cat ${stderrF}`"
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assertSame "./2022/07" "`cat ${stdoutF}`"
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}
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test_get_default_basename() {
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source ${unit}
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get_default_basename >${stdoutF} 2>${stderrF}
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assertTrue "unexpected error status with no args" $?
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cat ${stderrF}
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assertNull "unexpected error output with no args" "`cat ${stderrF}`"
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assertNotNull "unexpected empty output with no args" "`cat ${stdoutF}`"
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get_default_basename 'noaa-15' 12341234 >${stdoutF} 2>${stderrF}
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assertTrue "unexpected error status with args" $?
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assertNull "unexpected error output with args" "`cat ${stderrF}`"
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assertSame "noaa_15-12341234" "`cat ${stdoutF}`"
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}
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test_run_station() {
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device_is_connected || startSkipping
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outputPath="${SHUNIT_TMPDIR}/record-test/cwd/test.wav"
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export WXRX_WEB_PUBDIR="${SHUNIT_TMPDIR}/record-test/public"
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mkdir -p "$(dirname ${outputPath})"
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mkdir -p "${WXRX_WEB_PUBDIR}"
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cd $(dirname $outputPath)
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${unit} --duration 1 #>${stdoutF} 2>${stderrF}
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rtrn=$?
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cat ${stdoutF}
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if [ -nz $rtrna ]; then
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cat ${stderrF}
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fi
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assertTrue "expected a success exit status" $rtrn
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tree ..
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}
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setUp() {
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stdoutF="${SHUNIT_TMPDIR}/stdout"
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stderrF="${SHUNIT_TMPDIR}/stderr"
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>"${stdoutF}"
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>"${stderrF}"
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}
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. shunit2
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