20 lines
547 B
Bash
Executable File
20 lines
547 B
Bash
Executable File
#!/usr/bin/env bash
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set -euo pipefail
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ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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PORT="${PORT:-/dev/ttyACM0}"
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ESPTOOL="${ESPTOOL:-$HOME/.arduino15/packages/esp32/tools/esptool_py/5.1.0/esptool}"
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BAUD="${BAUD:-921600}"
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OUT_BIN="${ROOT_DIR}/factory-full-16mb.bin"
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echo "== Port: ${PORT}"
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echo "== Output: ${OUT_BIN}"
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echo "== Esptool: ${ESPTOOL}"
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echo "== Baud: ${BAUD}"
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"${ESPTOOL}" --port "${PORT}" --baud "${BAUD}" read-flash 0 0x1000000 "${OUT_BIN}"
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sha256sum "${OUT_BIN}" | tee "${OUT_BIN}.sha256"
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echo
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echo "== Backup done."
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