svitrix

Flash Size — Design skill for Claude Code

Design community

Analyze firmware binary size and partition layout in detail.

How to install Flash Size

Installs to ~/.claude/commands/svitrix-svitrix-firmware-flash-size.md

Terminal

mkdir -p ~/.claude/commands && curl -fsSL https://raw.githubusercontent.com/svitrix/svitrix-firmware/HEAD/.claude/commands/flash-size.md -o ~/.claude/commands/svitrix-svitrix-firmware-flash-size.md

Restart Claude Code, or start a new session, for it to be picked up.

What Flash Size does

description: Analyze firmware binary size and partition layout in detail

Perform a detailed analysis of the firmware flash usage. This is critical — flash is ~96% full.

Steps

**Build firmware** (if not recently built):
```
pio run -e ulanzi
```

**Get firmware binary size:**

stat -f%z .pio/build/ulanzi/firmware.bin 2>/dev/null || stat -c%s .pio/build/ulanzi/firmware.bin

**Parse build output** for section sizes: Look for the RAM/Flash u

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