From cabc8c1cc0972fa83939e31e10424a3b3840a8b8 Mon Sep 17 00:00:00 2001
From: Stephen Waits <steve@waits.net>
Date: Wed, 8 Apr 2026 13:34:25 -0600
Subject: [PATCH] feat: add espflash save-image for Xtensa boards

Generate .bin firmware images for ESP32 boards alongside .elf, matching
the existing .hex/.uf2 flow for nRF52840 boards.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
---
 justfile | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/justfile b/justfile
index 3488071..0ef9689 100644
--- a/justfile
+++ b/justfile
@@ -176,6 +176,10 @@ _copy_firmware board profile:
     if [ -f "$src" ]; then \
         cp "$src" "$dst.elf"; echo "→ $dst.elf"; \
         case "$target" in \
+            xtensa-*) \
+                mise exec -- espflash save-image --chip "$chip" --merge --skip-padding "$src" "$dst.bin"; \
+                echo "→ $dst.bin"; \
+                ;; \
             thumbv7em-*) \
                 mise exec -- rust-objcopy -O ihex "$src" "$dst.hex"; \
                 mise exec -- cargo-hex-to-uf2 hex-to-uf2 --input-path "$dst.hex" --output-path "$dst.uf2" --family nrf52840; \