From d3e6cc714184b9c9ea4458be52879dd1c3e06585 Mon Sep 17 00:00:00 2001
From: Andrew Tridgell <andrew@tridgell.net>
Date: Mon, 30 Jul 2018 13:11:57 +1000
Subject: [PATCH] PX4: don't use tone_alarm in init

and removed use of binfs
---
 mk/PX4/ROMFS/init.d/rc.APM   | 20 --------------------
 mk/PX4/ROMFS/init.d/rc.error |  2 --
 mk/PX4/ROMFS/init.d/rcS      |  4 ----
 3 files changed, 26 deletions(-)

diff --git a/mk/PX4/ROMFS/init.d/rc.APM b/mk/PX4/ROMFS/init.d/rc.APM
index 63f9fdd1c4..c7bc5f3e76 100755
--- a/mk/PX4/ROMFS/init.d/rc.APM
+++ b/mk/PX4/ROMFS/init.d/rc.APM
@@ -18,20 +18,6 @@ then
     sh /etc/init.d/rc.error
 fi
 
-# mount binfs so we can find the built-in apps
-if [ -f /bin/reboot ]
-then
-    echo "binfs already mounted"
-else
-    echo "Mounting binfs"
-    if mount -t binfs /dev/null /bin
-    then
-            echo "binfs mounted OK"
-    else
-            sh /etc/init.d/rc.error
-    fi
-fi
-
 set sketch NONE
 if rm /fs/microsd/APM/boot.log
 then
@@ -39,12 +25,6 @@ then
 fi
 set logfile /fs/microsd/APM/BOOT.LOG
 
-if [ ! -f /bin/ArduPilot ]
-then
-    echo "/bin/ardupilot not found"
-    sh /etc/init.d/rc.error
-fi
-
 if mkdir /fs/microsd/APM > /dev/null
 then
     echo "Created APM directory"
diff --git a/mk/PX4/ROMFS/init.d/rc.error b/mk/PX4/ROMFS/init.d/rc.error
index 8c82168ba5..92ba8b13a2 100644
--- a/mk/PX4/ROMFS/init.d/rc.error
+++ b/mk/PX4/ROMFS/init.d/rc.error
@@ -1,7 +1,5 @@
 echo "Error in startup"
 
-tone_alarm MNCC
-
 if [ $HAVE_RGBLED == 1 ]
 then
         rgbled rgb 16 0 0
diff --git a/mk/PX4/ROMFS/init.d/rcS b/mk/PX4/ROMFS/init.d/rcS
index d9adae2492..44d99c5816 100755
--- a/mk/PX4/ROMFS/init.d/rcS
+++ b/mk/PX4/ROMFS/init.d/rcS
@@ -24,10 +24,6 @@ echo "[init] looking for microSD..."
 if mount -t vfat /dev/mmcsd0 /fs/microsd
 then
     echo "[init] card mounted at /fs/microsd"
-    set HAVE_MICROSD 1
-else
-    set HAVE_MICROSD 0
-    tone_alarm MNBGG
 fi
 
 # Look for an additional init script that allows changing the default