#!/bin/bash ## import common lib . "$HOME/.noaa.conf" . "$HOME/.tweepy.conf" . "$NOAA_HOME/common.sh" ## pass start timestamp and sun elevation PASS_START=$(expr "$5" + 90) SUN_ELEV=$(python3 "$NOAA_HOME"/sun.py "$PASS_START") if pgrep "rtl_fm" > /dev/null then log "There is an existing rtl_fm instance running, I quit" "ERROR" exit 1 fi # $1 = Satellite Name # $2 = Frequency # $3 = FileName base # $4 = TLE File # $5 = EPOC start time # $6 = Time to capture # $7 = Satellite max elevation log "Starting rtl_fm record" "INFO" timeout "${6}" /usr/local/bin/rtl_fm ${BIAS_TEE} -f "${2}"M -s 60k -g 50 -p 55 -E wav -E deemp -F 9 - | /usr/bin/sox -t raw -e signed -c 1 -b 16 -r 60000 - "${RAMFS_AUDIO}/audio/${3}.wav" rate 11025 if [ ! -d "{NOAA_OUTPUT}/image/${FOLDER_DATE}" ]; then mkdir -m 775 -p "${NOAA_OUTPUT}/image/${FOLDER_DATE}" fi if [ "${SUN_ELEV}" -gt "${SUN_MIN_ELEV}" ]; then ENHANCEMENTS="ZA MCIR MCIR-precip MSA MSA-precip HVC-precip HVCT-precip HVC HVCT" daylight="true" else ENHANCEMENTS="ZA MCIR MCIR-precip" daylight="false" fi log "Bulding pass map" "INFO" /usr/local/bin/wxmap -T "${1}" -H "${4}" -p 0 -l 0 -o "${PASS_START}" "${NOAA_HOME}/map/${3}-map.png" for i in $ENHANCEMENTS; do log "Decoding image" "INFO" /usr/local/bin/wxtoimg -o -m "${NOAA_HOME}/map/${3}-map.png" -e "$i" "${RAMFS_AUDIO}/audio/${3}.wav" "${NOAA_OUTPUT}/image/${3}-$i.jpg" /usr/bin/convert -quality 90 -format jpg "${NOAA_OUTPUT}/image/${3}-$i.jpg" -undercolor black -fill yellow -pointsize 18 -annotate +20+20 "${1} $i ${START_DATE}" "${NOAA_OUTPUT}/image/${3}-$i.jpg" /usr/bin/convert -thumbnail 300 "${NOAA_OUTPUT}/image/${3}-$i.jpg" "${NOAA_OUTPUT}/image/thumb/${3}-$i.jpg done if [ -n "$CONSUMER_KEY" ]; then log "Posting to Twitter" "INFO" if [ "${SUN_ELEV}" -gt "${SUN_MIN_ELEV}" ]; then sqlite3 /home/pi/raspberry-noaa/panel.db "insert into decoded_passes (pass_start, file_path, daylight_pass, is_noaa) values ($5,\"$3\", 1,1); python3 "${NOAA_HOME}/post.py" "$1 ${START_DATE}" "$7" "${NOAA_OUTPUT}/image/${FOLDER_DATE}/$3-MCIR-precip.jpg" "${NOAA_OUTPUT}/image/$3-MSA-precip.jpg" "${NOAA_OUTPUT}/image/$3-HVC-precip.jpg" "${NOAA_OUTPUT}/image/$3-HVCT-precip.jpg" else sqlite3 /home/pi/raspberry-noaa/panel.db "insert into decoded_passes (pass_start, file_path, daylight_pass, is_noaa) values ($5,\"$3\", 0,1);" python3 "${NOAA_HOME}/post.py" "$1 ${START_DATE}" "$7" "${NOAA_OUTPUT}/image/$3-MCIR-precip.jpg" "${NOAA_OUTPUT}/image/$3-MCIR.jpg" fi fi if [ "$DELETE_AUDIO" = true ]; then log "Deleting audio files" "INFO" rm "${RAMFS_AUDIO}/audio/${3}.wav" else log "Moving audio files out of the SD card" "INFO" mv "${RAMFS_AUDIO}/audio/${3}.wav" "${NOAA_OUTPUT}/audio/${3}.wav" fi