59 lines
1.4 KiB
Bash
59 lines
1.4 KiB
Bash
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#!/usr/bin/env bash
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# 20260519 ChatGPT
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# $Header$
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#
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# Example:
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# chmod 755 monitor_tbeam_with_epoch.sh
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# ./monitor_tbeam_with_epoch.sh AMY
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# ./monitor_tbeam_with_epoch.sh BOB
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# ./monitor_tbeam_with_epoch.sh CY
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#
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# Optional:
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# BAUD=115200 EXERCISE=305 ./monitor_tbeam_with_epoch.sh AMY
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ORIG_STTY=$(stty -g)
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set -euo pipefail
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BOARD="${1:-AMY}"
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BAUD="${BAUD:-115200}"
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EXERCISE="${EXERCISE:-305}"
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PORT="/dev/ttyt${BOARD}"
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TS=$(date +%Y%m%d_%H%M%S)
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LOGDIR="$HOME/logs/tbeam_exercise_${EXERCISE}"
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LOGFILE="${LOGDIR}/${TS}_${BOARD}_exercise_${EXERCISE}_serial.log"
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mkdir -p "$LOGDIR"
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if [ ! -e "$PORT" ]; then
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echo "ERROR: serial device does not exist: $PORT" >&2
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exit 1
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fi
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CMD="pio device monitor -p ${PORT} -b ${BAUD}"
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cleanup() {
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stty "$ORIG_STTY" 2>/dev/null || stty sane 2>/dev/null || true
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echo
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echo "# Terminal settings restored."
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}
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trap cleanup EXIT INT TERM HUP
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{
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echo "# Started: $(date)"
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echo "# Epoch start: $(perl -MTime::HiRes=time -e 'printf "%.4f\n", time')"
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echo "# Host: $(hostname)"
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echo "# Board: ${BOARD}"
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echo "# Port: ${PORT}"
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echo "# Baud: ${BAUD}"
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echo "# Exercise: ${EXERCISE}"
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echo "# Command: ${CMD}"
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echo "# Logfile: ${LOGFILE}"
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echo "# ---- serial output follows ----"
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} | tee "$LOGFILE"
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${CMD} 2>&1 \
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| perl -MTime::HiRes=time -ne '$|=1; printf "[%.4f] %s", time, $_' \
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| tee -a "$LOGFILE"
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