Diff: targets/hal/TARGET_Silicon_Labs/TARGET_EFM32/sleep.c

Revision:

627:4fa1328d9c60

Parent:

548:1abac31e188e

--- a/targets/hal/TARGET_Silicon_Labs/TARGET_EFM32/sleep.c	Fri Sep 25 13:30:09 2015 +0100
+++ b/targets/hal/TARGET_Silicon_Labs/TARGET_EFM32/sleep.c	Fri Sep 25 14:15:10 2015 +0100
@@ -1,18 +1,32 @@
-/* mbed Microcontroller Library
- * Copyright (c) 2006-2013 ARM Limited
+/***************************************************************************//**
+ * @file sleep.c
+ *******************************************************************************
+ * @section License
+ * <b>(C) Copyright 2015 Silicon Labs, http://www.silabs.com</b>
+ *******************************************************************************
  *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
  *
- *     http://www.apache.org/licenses/LICENSE-2.0
+ * 1. The origin of this software must not be misrepresented; you must not
+ *    claim that you wrote the original software.
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ *    misrepresented as being the original software.
+ * 3. This notice may not be removed or altered from any source distribution.
  *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
+ * DISCLAIMER OF WARRANTY/LIMITATION OF REMEDIES: Silicon Labs has no
+ * obligation to support this Software. Silicon Labs is providing the
+ * Software "AS IS", with no express or implied warranties of any kind,
+ * including, but not limited to, any implied warranties of merchantability
+ * or fitness for any particular purpose or warranties against infringement
+ * of any proprietary rights of a third party.
+ *
+ * Silicon Labs will not be liable for any consequential, incidental, or
+ * special damages, or any other relief, or for any claim by any third party,
+ * arising from your use of this Software.
+ *
+ ******************************************************************************/
 
 #include "device.h"
 #if DEVICE_SLEEP
@@ -35,17 +49,20 @@
 void sleep(void)
 {
     if (sleep_block_counter[0] > 0) {
-        // Blocked everything below EM0, so just return
+        /* Blocked everything below EM0, so just return */
         return;
     } else if (sleep_block_counter[1] > 0) {
-        // Blocked everything below EM1, enter EM1
+        /* Blocked everything below EM1, enter EM1 */
         EMU_EnterEM1();
     } else if (sleep_block_counter[2] > 0) {
-        // Blocked everything below EM2, enter EM2
+        /* Blocked everything below EM2, enter EM2 */
         EMU_EnterEM2(true);
     } else if (sleep_block_counter[3] > 0) {
-        // Blocked everything below EM3, enter EM3
+        /* Blocked everything below EM3, enter EM3 */
         EMU_EnterEM3(true);
+    } else{
+        /* Nothing is blocked, enter EM4 */
+        EMU_EnterEM4();
     }
     return;
 }