From b1da652d41453c93bcfca5a297cef1ab26458170 Mon Sep 17 00:00:00 2001
From: geeksville <kevinh@geeksville.com>
Date: Sat, 1 Feb 2020 05:39:35 -0800
Subject: [PATCH] let the main cpu mostly sleep until we have gps lock

---
 main/main.ino | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/main/main.ino b/main/main.ino
index d9b6dd4..61a9821 100644
--- a/main/main.ino
+++ b/main/main.ino
@@ -392,6 +392,10 @@ void loop() {
         sleep();
       }
 #endif
+
+      // No GPS lock yet, let the OS put the main CPU in low power mode for 100ms (or until another interrupt comes in)
+      // i.e. don't just keep spinning in loop as fast as we can.
+      delay(100);
     }
   }
 }