108 lines
3.2 KiB
Bash
108 lines
3.2 KiB
Bash
#!/usr/bin/env bash
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#
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# monitor.sh -- Open the serial monitor
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#
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# Reads baud rate from .anvil.toml. No Anvil binary required.
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#
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# Usage:
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# ./monitor.sh Auto-detect port
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# ./monitor.sh -p /dev/ttyUSB0 Specify port
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# ./monitor.sh -b 9600 Override baud rate
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# ./monitor.sh --watch Reconnect after reset/replug
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#
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# Prerequisites: arduino-cli in PATH
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set -euo pipefail
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SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
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CONFIG="$SCRIPT_DIR/.anvil.toml"
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# -- Colors ----------------------------------------------------------------
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if [[ -t 1 ]]; then
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RED=$'\033[0;31m'; GRN=$'\033[0;32m'; YLW=$'\033[0;33m'
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CYN=$'\033[0;36m'; BLD=$'\033[1m'; RST=$'\033[0m'
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else
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RED=''; GRN=''; YLW=''; CYN=''; BLD=''; RST=''
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fi
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warn() { echo "${YLW}warn${RST} $*"; }
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die() { echo "${RED}FAIL${RST} $*" >&2; exit 1; }
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# -- Parse .anvil.toml -----------------------------------------------------
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[[ -f "$CONFIG" ]] || die "No .anvil.toml found in $SCRIPT_DIR"
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toml_get() {
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grep "^$1 " "$CONFIG" | head -1 | sed 's/.*= *"\{0,1\}\([^"]*\)"\{0,1\}/\1/' | tr -d ' '
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}
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BAUD="$(toml_get 'baud')"
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BAUD="${BAUD:-115200}"
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# -- Parse arguments -------------------------------------------------------
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PORT=""
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DO_WATCH=0
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while [[ $# -gt 0 ]]; do
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case "$1" in
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-p|--port) PORT="$2"; shift 2 ;;
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-b|--baud) BAUD="$2"; shift 2 ;;
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--watch) DO_WATCH=1; shift ;;
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-h|--help)
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echo "Usage: ./monitor.sh [-p PORT] [-b BAUD] [--watch]"
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echo " Opens serial monitor. Baud rate from .anvil.toml."
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exit 0
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;;
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*) die "Unknown option: $1" ;;
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esac
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done
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# -- Preflight -------------------------------------------------------------
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command -v arduino-cli &>/dev/null \
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|| die "arduino-cli not found in PATH."
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# -- Auto-detect port ------------------------------------------------------
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auto_detect() {
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arduino-cli board list 2>/dev/null \
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| grep -i "serial" \
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| head -1 \
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| awk '{print $1}'
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}
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if [[ -z "$PORT" ]]; then
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PORT="$(auto_detect)"
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if [[ -z "$PORT" ]]; then
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die "No serial port detected. Is the board plugged in?\n Specify manually: ./monitor.sh -p /dev/ttyUSB0"
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fi
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warn "Auto-detected port: $PORT (use -p to override)"
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fi
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# -- Watch mode ------------------------------------------------------------
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if [[ $DO_WATCH -eq 1 ]]; then
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echo "${CYN}${BLD}Persistent monitor on ${PORT} at ${BAUD} baud${RST}"
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echo "Reconnects after upload / reset / replug."
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echo "Press Ctrl+C to exit."
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echo ""
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trap "echo ''; echo 'Monitor stopped.'; exit 0" INT
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while true; do
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if [[ -e "$PORT" ]]; then
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arduino-cli monitor -p "$PORT" -c "baudrate=$BAUD" 2>/dev/null || true
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echo "${YLW}--- ${PORT} disconnected ---${RST}"
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else
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echo "${CYN}--- Waiting for ${PORT} ...${RST}"
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while [[ ! -e "$PORT" ]]; do
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sleep 0.5
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done
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sleep 1
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echo "${GRN}--- ${PORT} connected ---${RST}"
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fi
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sleep 0.5
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done
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else
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echo "Opening serial monitor on $PORT at $BAUD baud..."
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echo "Press Ctrl+C to exit."
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echo ""
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arduino-cli monitor -p "$PORT" -c "baudrate=$BAUD"
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fi
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