From ace61696b134015797a8ba281d3519e6a0e0c2df Mon Sep 17 00:00:00 2001
From: Dragan Spiridonov <spiridonovdragan@gmail.com>
Date: Thu, 16 Apr 2026 15:40:00 +0200
Subject: [PATCH] =?UTF-8?q?fix(provision):=20write-flash=20=E2=86=92=20wri?=
 =?UTF-8?q?te=5Fflash=20for=20esptool=20v5=20compat?=
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esptool v5+ rejects hyphenated subcommands. The provision script
used 'write-flash' which fails with "invalid choice". Changed to
'write_flash' (underscore) which works with both old and new esptool.

Co-Authored-By: Ruflo & AQE
---
 firmware/esp32-csi-node/provision.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/firmware/esp32-csi-node/provision.py b/firmware/esp32-csi-node/provision.py
index e574fba4..2c78dea6 100644
--- a/firmware/esp32-csi-node/provision.py
+++ b/firmware/esp32-csi-node/provision.py
@@ -155,7 +155,7 @@ def flash_nvs(port, baud, nvs_bin):
             "--chip", "esp32s3",
             "--port", port,
             "--baud", str(baud),
-            "write-flash",
+            "write_flash",
             hex(NVS_PARTITION_OFFSET), bin_path,
         ]
         print(f"Flashing NVS partition ({len(nvs_bin)} bytes) to {port}...")