Use reenumerate.js instead of jump-to-bootloader.js and make left/blhost-unix.sh handle argument related errors.

left/build/kds/blhost-unix.sh

@@ -1,8 +1,24 @@
-#!/bin/sh
+#!/bin/bash
 set -e # fail the script if a command fails
 
+if [ -z "$1" ]; then
+    echo "No firmware image specified"
+    exit 1
+fi
+
+firmware_image="`pwd`/$1"
+
+if [ ${firmware_image: -4} != ".bin" ]; then
+    echo "Firmware image extension is not .bin"
+    exit 1
+fi
+
+if [ ! -f "$firmware_image" ]; then
+    echo "Firmware image does not exist"
+    exit 1
+fi
+
 PATH=$PATH:/usr/local/bin # This should make node and npm accessible on OSX.
-firmware_image=`pwd`/$1
 usb_dir=../../../lib/agent/packages/usb
 usb_binding=$usb_dir/node_modules/usb/build/Release/usb_bindings.node
 
@@ -14,7 +30,7 @@ case "$(uname -s)" in
      blhost_path=mac
      ;;
    *)
-     echo 'Your operating system is not supported.'
+     echo "Your operating system is not supported."
      exit 1
      ;;
 esac
@@ -29,12 +45,11 @@ set -x # echo on
 #fi
 
 $usb_dir/jump-to-slave-bootloader.js
-$usb_dir/jump-to-bootloader.js buspal
-sleep 2
+$usb_dir/reenumerate.js buspal
 $blhost get-property 1
 $blhost flash-erase-all-unsecure
 $blhost write-memory 0x0 "$firmware_image"
 $blhost reset
 sleep 4
-$usb_dir/send-kboot-command.js reset 0x10
+#$usb_dir/send-kboot-command.js reset 0x10
 #../../../lib/bootloader/bin/Tools/blhost/$blhost_path/blhost --usb 0x1d50,0x6121 reset

right/build/kds/blhost-unix.sh

@@ -28,7 +28,7 @@ if [ ! -f $usb_binding ]; then
    exit 1
 fi
 
-$usb_dir/jump-to-bootloader.js
+$usb_dir/reenumerate.js bootloader
 $blhost flash-security-disable 0403020108070605
 $blhost flash-erase-region 0xc000 475136
 $blhost flash-image $firmware_image