From ef5012b9d4c0c69967926ec6120ecc2f9a3e25b9 Mon Sep 17 00:00:00 2001
From: portersky <24420859+portersky@users.noreply.github.com>
Date: Sun, 14 Jun 2026 23:25:47 +0200
Subject: [PATCH] fix: probe 400000 baud first and relax FC stale threshold

CP210x chips can't hit 921600 exactly so try 400000/420000 first.
Raise FC_STALE_S from 2s to 5s so the dashboard doesn't flicker
STALE when FC telemetry arrives slowly.
---
 tools/telemetry.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/telemetry.c b/tools/telemetry.c
index a5cd634..af1bd48 100644
--- a/tools/telemetry.c
+++ b/tools/telemetry.c
@@ -17,7 +17,7 @@
 #endif
 
 /* Probe bauds: CP210x chips on ELRS can't hit 921600 exactly. */
-static int const s_probe_bauds[] = {921600, 400000, 420000};
+static int const s_probe_bauds[] = {400000, 420000, 921600};
 static int const s_probe_bauds_count =
     (int)(sizeof(s_probe_bauds) / sizeof(s_probe_bauds[0]));
 
@@ -79,7 +79,7 @@ static void ansi_cursor_up(int n) {
 /* --------------------------------------------------------------------------- */
 
 #define LINK_STALE_S 3.0f
-#define FC_STALE_S 2.0f
+#define FC_STALE_S 5.0f
 
 typedef enum {
     STATUS_LIVE,