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Added timestamps to project logging

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This commit is contained in:
Eric Ratliff
2026-02-19 13:29:06 -06:00
parent c6f2dfc1b5
commit 9bda9123ea
5 changed files with 197 additions and 8 deletions
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41
templates/basic/monitor.sh
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@@ -10,6 +10,8 @@
# ./monitor.sh -b 9600 Override baud rate
# ./monitor.sh --board mega Use baud from a named board
# ./monitor.sh --watch Reconnect after reset/replug
# ./monitor.sh --timestamps Prepend [HH:MM:SS.mmm] to each line
# ./monitor.sh --log session.log Also write output to a file
#
# Prerequisites: arduino-cli in PATH
@@ -63,6 +65,8 @@ fi
PORT=""
DO_WATCH=0
BOARD_NAME=""
DO_TIMESTAMPS=0
LOG_FILE=""
while [[ $# -gt 0 ]]; do
case "$1" in
@@ -70,10 +74,15 @@ while [[ $# -gt 0 ]]; do
-b|--baud) BAUD="$2"; shift 2 ;;
--board) BOARD_NAME="$2"; shift 2 ;;
--watch) DO_WATCH=1; shift ;;
--timestamps) DO_TIMESTAMPS=1; shift ;;
--log) LOG_FILE="$2"; shift 2 ;;
-h|--help)
echo "Usage: ./monitor.sh [-p PORT] [-b BAUD] [--board NAME] [--watch]"
echo " [--timestamps] [--log FILE]"
echo " Opens serial monitor. Baud rate from .anvil.toml."
echo " --board NAME selects a board from [boards.NAME]."
echo " --board NAME selects a board from [boards.NAME]."
echo " --timestamps prepend [HH:MM:SS.mmm] to each line."
echo " --log FILE also write output to a file."
exit 0
;;
*) die "Unknown option: $1" ;;
@@ -180,10 +189,33 @@ if [[ -z "$PORT" ]]; then
fi
fi
# -- Output filter ---------------------------------------------------------
# Pipes stdin through optional timestamping and file logging.
monitor_filter() {
if [[ $DO_TIMESTAMPS -eq 1 ]] && [[ -n "$LOG_FILE" ]]; then
while IFS= read -r line; do
local ts
ts="[$(date '+%H:%M:%S.%3N')]"
printf "%s %s\n" "$ts" "$line"
printf "%s %s\n" "$ts" "$line" >> "$LOG_FILE"
done
elif [[ $DO_TIMESTAMPS -eq 1 ]]; then
while IFS= read -r line; do
printf "[%s] %s\n" "$(date '+%H:%M:%S.%3N')" "$line"
done
elif [[ -n "$LOG_FILE" ]]; then
tee -a "$LOG_FILE"
else
cat
fi
}
# -- Watch mode ------------------------------------------------------------
if [[ $DO_WATCH -eq 1 ]]; then
echo "${CYN}${BLD}Persistent monitor on ${PORT} at ${BAUD} baud${RST}"
echo "Reconnects after upload / reset / replug."
[[ $DO_TIMESTAMPS -eq 1 ]] && echo "Timestamps enabled."
[[ -n "$LOG_FILE" ]] && echo "Logging to: $LOG_FILE"
echo "Press Ctrl+C to exit."
echo ""
@@ -191,7 +223,8 @@ if [[ $DO_WATCH -eq 1 ]]; then
while true; do
if [[ -e "$PORT" ]]; then
arduino-cli monitor -p "$PORT" -c "baudrate=$BAUD" 2>/dev/null || true
arduino-cli monitor -p "$PORT" -c "baudrate=$BAUD" 2>/dev/null \
| monitor_filter || true
echo "${YLW}--- ${PORT} disconnected ---${RST}"
else
echo "${CYN}--- Waiting for ${PORT} ...${RST}"
@@ -205,7 +238,9 @@ if [[ $DO_WATCH -eq 1 ]]; then
done
else
echo "Opening serial monitor on $PORT at $BAUD baud..."
[[ $DO_TIMESTAMPS -eq 1 ]] && echo "Timestamps enabled."
[[ -n "$LOG_FILE" ]] && echo "Logging to: $LOG_FILE"
echo "Press Ctrl+C to exit."
echo ""
arduino-cli monitor -p "$PORT" -c "baudrate=$BAUD"
arduino-cli monitor -p "$PORT" -c "baudrate=$BAUD" | monitor_filter
fi