1 files changed, 34 insertions, 0 deletions
diff --git a/meta-facebook/meta-yosemite/recipes-yosemite/fbutils/files/watch-fc.sh b/meta-facebook/meta-yosemite/recipes-yosemite/fbutils/files/watch-fc.sh
new file mode 100755
index 0000000..d04b7cd
--- /dev/null
+++ b/meta-facebook/meta-yosemite/recipes-yosemite/fbutils/files/watch-fc.sh
@@ -0,0 +1,34 @@
+#!/bin/bash
+#
+# Copyright 2014-present Facebook. All Rights Reserved.
+#
+# This program file is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License as published by the
+# Free Software Foundation; version 2 of the License.
+#
+# This program is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+# for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program in a file named COPYING; if not, write to the
+# Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor,
+# Boston, MA 02110-1301 USA
+#
+
+. /usr/local/fbpackages/utils/ast-functions
+
+MAC1LINK=0    # GPIOA0
+FAB0_PRES=20  # GPIOC4
+FAB1_PRES=21  # GPIOC5
+while true; do
+  # fabN_pres: active low.
+  if [ $(gpio_get $FAB0_PRES) = 0 ]; then
+    gpio_set $MAC1LINK 0
+  elif [ $(gpio_get $FAB1_PRES) = 0 ]; then
+    gpio_set $MAC1LINK 1
+  fi
+  sleep 1
+done