diff --git a/bin/flashing/.gitignore b/bin/flashing/.gitignore
new file mode 100644
index 0000000..16e71fc
--- /dev/null
+++ b/bin/flashing/.gitignore
@@ -0,0 +1,2 @@
+xpack-openocd-*/
+*.zip
diff --git a/bin/flashing/download_openocd.bat b/bin/flashing/download_openocd.bat
new file mode 100644
index 0000000..4934532
--- /dev/null
+++ b/bin/flashing/download_openocd.bat
@@ -0,0 +1,36 @@
+@echo off
+rem Downloads xPack OpenOCD for Windows and extracts it next to this script.
+rem Uses curl and powershell, both included with Windows 10 and newer.
+
+setlocal
+
+set OPENOCD_VERSION=0.12.0-7
+set OPENOCD_DIR=xpack-openocd-%OPENOCD_VERSION%
+set OPENOCD_ZIP=%OPENOCD_DIR%-win32-x64.zip
+set OPENOCD_URL=https://github.com/xpack-dev-tools/openocd-xpack/releases/download/v%OPENOCD_VERSION%/%OPENOCD_ZIP%
+
+cd /d "%~dp0"
+
+if exist "%OPENOCD_DIR%\bin\openocd.exe" (
+    echo OpenOCD %OPENOCD_VERSION% is already present in %~dp0%OPENOCD_DIR%
+    goto :EOF
+)
+
+echo Downloading %OPENOCD_URL%
+curl --location --fail --output "%OPENOCD_ZIP%" "%OPENOCD_URL%"
+if errorlevel 1 (
+    echo ERROR: failed to download %OPENOCD_URL%
+    exit /b 1
+)
+
+echo Extracting %OPENOCD_ZIP%
+rem not using tar: it chokes on the non-ASCII file names inside the xPack zip
+powershell -NoProfile -Command "Expand-Archive -LiteralPath '%OPENOCD_ZIP%' -DestinationPath '.' -Force"
+if errorlevel 1 (
+    echo ERROR: failed to extract %OPENOCD_ZIP%
+    exit /b 1
+)
+
+del "%OPENOCD_ZIP%"
+
+echo Done: %~dp0%OPENOCD_DIR%\bin\openocd.exe