#!/usr/bin/env bash
# Flash PN532 toolkit. Requires ESP-IDF 5.x in PATH (run export.sh first).
set -euo pipefail
ROOT="$(cd "$(dirname "$0")" && pwd)"
PORT="${ESPPORT:-${1:-/dev/cu.usbserial-A5069RR4}}"
cd "$ROOT"
if ! command -v idf.py >/dev/null 2>&1; then
  echo "idf.py not found. Source your ESP-IDF export.sh, then re-run:" >&2
  echo "  ESPPORT=$PORT $0" >&2
  exit 1
fi
idf.py -p "$PORT" flash