Add Dockerfile and build script for ESP32 firmware

2025-10-10 22:30:32 +02:00
parent 5cce419c74
commit 9f848dcc3f
2 changed files with 55 additions and 0 deletions
@@ -0,0 +1,18 @@
+#!/usr/bin/env bash
+set -e
+
+IMAGE_NAME="esp32-builder"
+SCRIPT_DIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
+DOCKERFILE="$SCRIPT_DIR/Dockerfile"
+BUILD_CTX="$SCRIPT_DIR"
+DEST_BIN="$SCRIPT_DIR/build/esp32.bin"
+
+docker build -t "$IMAGE_NAME" -f "$DOCKERFILE" "$BUILD_CTX"
+
+mkdir -p "$(dirname "$DEST_BIN")"
+
+docker run --rm "$IMAGE_NAME" \
+  cat /usr/src/build/esp32.bin > "$DEST_BIN"
+
+esptool.py --chip esp32c3 --port /dev/ttyUSB0 --baud 115200 write_flash 0x1000 firmware.bin \
+|| { echo "To find the correct port run: ls /dev/cu.*. Then modify build-esp32.sh"; exit 1; }