From 9200611124ac83b8017355ce75d9fa66e1d13de1 Mon Sep 17 00:00:00 2001
From: erikkaashoek <erik@kaashoek.com>
Date: Thu, 2 Jul 2020 10:09:26 +0200
Subject: [PATCH] Prevent unneeded updating of status panel

---
 sa_core.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/sa_core.c b/sa_core.c
index d5b4c87..ba0d32d 100644
--- a/sa_core.c
+++ b/sa_core.c
@@ -2340,6 +2340,10 @@ void draw_cal_status(void)
   ili9341_drawstring(buf, x, y);
 #if 1
   y += YSTEP;
+  int old_dirty = dirty;
+  update_rbw();             // To ensure the calc_min_sweep time shown takes the latest delay into account
+  calculate_step_delay();
+  dirty = old_dirty;            // restore as update_rbw sets dirty
   uint32_t t = calc_min_sweep_time_us();
 //  if (t < setting.sweep_time_us)
 //    t = setting.sweep_time_us;