Diff: targets/hal/TARGET_Silicon_Labs/TARGET_EFM32/clocking.h

Revision:

144:ef7eb2e8f9f7

Parent:

54:2a2065e67ef6

diff -r 423e1876dc07 -r ef7eb2e8f9f7 targets/hal/TARGET_Silicon_Labs/TARGET_EFM32/clocking.h
--- a/targets/hal/TARGET_Silicon_Labs/TARGET_EFM32/clocking.h	Tue Aug 02 14:07:36 2016 +0000
+++ b/targets/hal/TARGET_Silicon_Labs/TARGET_EFM32/clocking.h	Fri Sep 02 15:07:44 2016 +0100
@@ -1,76 +1,69 @@
-/***************************************************************************//**
- * @file clocking.h
- * @brief Clock selection calculations
- *******************************************************************************
- * @section License
- * <b>(C) Copyright 2015 Silicon Labs, http://www.silabs.com</b>
- *******************************************************************************
- *
- * 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:
- *
- * 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.
- *
- * 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_peripherals.h"
-
-#if( CORE_CLOCK_SOURCE == HFXO)
-# define REFERENCE_FREQUENCY HFXO_FREQUENCY
-#elif( CORE_CLOCK_SOURCE == HFRCO)
-
-# if defined _CMU_HFRCOCTRL_BAND_MASK
-#  if( HFRCO_FREQUENCY == _CMU_HFRCOCTRL_BAND_1MHZ)
-#   define REFERENCE_FREQUENCY 1000000
-#  elif(HFRCO_FREQUENCY == _CMU_HFRCOCTRL_BAND_7MHZ)
-#   define REFERENCE_FREQUENCY 7000000
-#  elif(HFRCO_FREQUENCY == _CMU_HFRCOCTRL_BAND_11MHZ)
-#   define REFERENCE_FREQUENCY 7000000
-#  elif(HFRCO_FREQUENCY == _CMU_HFRCOCTRL_BAND_14MHZ)
-#   define REFERENCE_FREQUENCY 14000000
-#  elif(HFRCO_FREQUENCY == _CMU_HFRCOCTRL_BAND_21MHZ)
-#   define REFERENCE_FREQUENCY 21000000
-#  elif(HFRCO_FREQUENCY == _CMU_HFRCOCTRL_BAND_28MHZ)
-#   define REFERENCE_FREQUENCY 28000000
-#  else
-#   define REFERENCE_FREQUENCY 14000000
-#  endif
-# elif defined _CMU_HFRCOCTRL_FREQRANGE_MASK
-#  define REFERENCE_FREQUENCY HFRCO_FREQUENCY
-# else
-#  error "HFRCO frequency not defined"
-# endif
-#endif
-
-#if ( LOW_ENERGY_CLOCK_SOURCE == LFXO )
-# define LEUART_USING_LFXO
-# if ( (defined(CMU_CTRL_HFLE) || defined(CMU_CTRL_WSHFLE) ) && (REFERENCE_FREQUENCY > 24000000) )
-#  define LEUART_HF_REF_FREQ (REFERENCE_FREQUENCY / 4)
-# else
-#  define LEUART_HF_REF_FREQ (REFERENCE_FREQUENCY / 2)
-# endif
-# define LEUART_LF_REF_FREQ LFXO_FREQUENCY
-#else
-# if ( (defined(CMU_CTRL_HFLE) || defined(CMU_CTRL_WSHFLE) ) && (REFERENCE_FREQUENCY > 24000000) )
-#  define LEUART_REF_FREQ (REFERENCE_FREQUENCY / 4)
-# else
-#  define LEUART_REF_FREQ (REFERENCE_FREQUENCY / 2)
-# endif
-#endif
-
+/***************************************************************************//**
+ * @file clocking.h
+ * @brief Clock selection calculations
+ *******************************************************************************
+ * @section License
+ * <b>(C) Copyright 2015 Silicon Labs, http://www.silabs.com</b>
+ *******************************************************************************
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * 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
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * 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.
+ *
+ ******************************************************************************/
+
+#include "device_peripherals.h"
+
+#if( CORE_CLOCK_SOURCE == HFXO)
+# define REFERENCE_FREQUENCY HFXO_FREQUENCY
+#elif( CORE_CLOCK_SOURCE == HFRCO)
+
+# if defined _CMU_HFRCOCTRL_BAND_MASK
+#  if( HFRCO_FREQUENCY == _CMU_HFRCOCTRL_BAND_1MHZ)
+#   define REFERENCE_FREQUENCY 1000000
+#  elif(HFRCO_FREQUENCY == _CMU_HFRCOCTRL_BAND_7MHZ)
+#   define REFERENCE_FREQUENCY 7000000
+#  elif(HFRCO_FREQUENCY == _CMU_HFRCOCTRL_BAND_11MHZ)
+#   define REFERENCE_FREQUENCY 7000000
+#  elif(HFRCO_FREQUENCY == _CMU_HFRCOCTRL_BAND_14MHZ)
+#   define REFERENCE_FREQUENCY 14000000
+#  elif(HFRCO_FREQUENCY == _CMU_HFRCOCTRL_BAND_21MHZ)
+#   define REFERENCE_FREQUENCY 21000000
+#  elif(HFRCO_FREQUENCY == _CMU_HFRCOCTRL_BAND_28MHZ)
+#   define REFERENCE_FREQUENCY 28000000
+#  else
+#   define REFERENCE_FREQUENCY 14000000
+#  endif
+# elif defined _CMU_HFRCOCTRL_FREQRANGE_MASK
+#  define REFERENCE_FREQUENCY HFRCO_FREQUENCY
+# else
+#  error "HFRCO frequency not defined"
+# endif
+#endif
+
+#if ( LOW_ENERGY_CLOCK_SOURCE == LFXO )
+# define LEUART_USING_LFXO
+# if ( (defined(CMU_CTRL_HFLE) || defined(CMU_CTRL_WSHFLE) ) && (REFERENCE_FREQUENCY > 24000000) )
+#  define LEUART_HF_REF_FREQ (REFERENCE_FREQUENCY / 4)
+# else
+#  define LEUART_HF_REF_FREQ (REFERENCE_FREQUENCY / 2)
+# endif
+# define LEUART_LF_REF_FREQ LFXO_FREQUENCY
+#else
+# if ( (defined(CMU_CTRL_HFLE) || defined(CMU_CTRL_WSHFLE) ) && (REFERENCE_FREQUENCY > 24000000) )
+#  define LEUART_REF_FREQ (REFERENCE_FREQUENCY / 4)
+# else
+#  define LEUART_REF_FREQ (REFERENCE_FREQUENCY / 2)
+# endif
+#endif
+