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

Revision:

144:ef7eb2e8f9f7

Parent:

50:a417edff4437

--- a/targets/hal/TARGET_Silicon_Labs/TARGET_EFM32/mbed_overrides.c	Tue Aug 02 14:07:36 2016 +0000
+++ b/targets/hal/TARGET_Silicon_Labs/TARGET_EFM32/mbed_overrides.c	Fri Sep 02 15:07:44 2016 +0100
@@ -1,113 +1,106 @@
-/***************************************************************************//**
- * @file mbed_overrides.c
- *******************************************************************************
- * @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 "em_chip.h"
-#include "em_device.h"
-#include "em_cmu.h"
-#include "em_emu.h"
-#include "device_peripherals.h"
-#include "device.h"
-#include "em_usart.h"
-#include "gpio_api.h"
-
-gpio_t bc_enable;
-
-/* Called before main - implement here if board needs it.
- * Otherwise, let the application override this if necessary */
-void mbed_sdk_init()
-{
-    CHIP_Init();
-
-#if defined(_SILICON_LABS_32B_PLATFORM_2)
-    EMU_DCDCInit_TypeDef dcdcInit = EMU_DCDCINIT_DEFAULT;
-    EMU_DCDCInit(&dcdcInit);
-#endif
-
-    /* Set up the clock sources for this chip */
-#if( CORE_CLOCK_SOURCE == HFXO)
-    CMU_ClockSelectSet(cmuClock_HF, cmuSelect_HFXO);
-    SystemHFXOClockSet(HFXO_FREQUENCY);
-#elif( CORE_CLOCK_SOURCE == HFRCO)
-    CMU_ClockSelectSet(cmuClock_HF, cmuSelect_HFRCO);
-# if defined _CMU_HFRCOCTRL_BAND_MASK
-    CMU_HFRCOBandSet(HFRCO_FREQUENCY);
-# elif defined _CMU_HFRCOCTRL_FREQRANGE_MASK
-    CMU_HFRCOFreqSet(HFRCO_FREQUENCY_ENUM);
-# else
-#  error "Can't set HFRCO frequency"
-# endif
-#else
-# error "Core clock selection not valid (mbed_overrides.c)"
-#endif
-
-    CMU_ClockEnable(cmuClock_CORELE, true);
-
-#if( LOW_ENERGY_CLOCK_SOURCE == LFXO )
-# ifdef _CMU_LFACLKEN0_MASK
-    CMU_ClockSelectSet(cmuClock_LFA, cmuSelect_LFXO);
-# endif
-# ifdef _CMU_LFBCLKEN0_MASK
-    /* cmuClock_LFB (to date) only has LEUART peripherals.
-    *  This gets set automatically whenever you create serial objects using LEUART
-    */
-# endif
-# ifdef _CMU_LFECLKEN0_MASK
-    CMU_ClockSelectSet(cmuClock_LFE, cmuSelect_LFXO);
-# endif
-    SystemLFXOClockSet(LFXO_FREQUENCY);
-
-#elif( LOW_ENERGY_CLOCK_SOURCE == LFRCO )
-# ifdef _CMU_LFACLKEN0_MASK
-    CMU_ClockSelectSet(cmuClock_LFA, cmuSelect_LFRCO);
-# endif
-# ifdef _CMU_LFBCLKEN0_MASK
-    //CMU_ClockSelectSet(cmuClock_LFB, cmuSelect_LFRCO);
-# endif
-# ifdef _CMU_LFECLKEN0_MASK
-    CMU_ClockSelectSet(cmuClock_LFE, cmuSelect_LFRCO);
-# endif
-
-#elif( LOW_ENERGY_CLOCK_SOURCE == ULFRCO)
-# ifdef _CMU_LFACLKEN0_MASK
-    CMU_ClockSelectSet(cmuClock_LFA, cmuSelect_ULFRCO);
-# endif
-# ifdef _CMU_LFBCLKEN0_MASK
-    CMU_ClockSelectSet(cmuClock_LFB, cmuSelect_ULFRCO);
-# endif
-# ifdef _CMU_LFECLKEN0_MASK
-    CMU_ClockSelectSet(cmuClock_LFE, cmuSelect_ULFRCO);
-# endif
-#else
-# error "Low energy clock selection not valid"
-#endif
-
-    /* Enable BC line driver to avoid garbage on CDC port */
-    gpio_init_out_ex(&bc_enable, EFM_BC_EN, 1);
-}
+/***************************************************************************//**
+ * @file mbed_overrides.c
+ *******************************************************************************
+ * @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 "em_chip.h"
+#include "em_device.h"
+#include "em_cmu.h"
+#include "em_emu.h"
+#include "device_peripherals.h"
+#include "device.h"
+#include "em_usart.h"
+#include "gpio_api.h"
+
+gpio_t bc_enable;
+
+/* Called before main - implement here if board needs it.
+ * Otherwise, let the application override this if necessary */
+void mbed_sdk_init()
+{
+    CHIP_Init();
+
+#if defined(_SILICON_LABS_32B_PLATFORM_2)
+    EMU_DCDCInit_TypeDef dcdcInit = EMU_DCDCINIT_DEFAULT;
+    EMU_DCDCInit(&dcdcInit);
+#endif
+
+    /* Set up the clock sources for this chip */
+#if( CORE_CLOCK_SOURCE == HFXO)
+    CMU_ClockSelectSet(cmuClock_HF, cmuSelect_HFXO);
+    SystemHFXOClockSet(HFXO_FREQUENCY);
+#elif( CORE_CLOCK_SOURCE == HFRCO)
+    CMU_ClockSelectSet(cmuClock_HF, cmuSelect_HFRCO);
+# if defined _CMU_HFRCOCTRL_BAND_MASK
+    CMU_HFRCOBandSet(HFRCO_FREQUENCY);
+# elif defined _CMU_HFRCOCTRL_FREQRANGE_MASK
+    CMU_HFRCOFreqSet(HFRCO_FREQUENCY_ENUM);
+# else
+#  error "Can't set HFRCO frequency"
+# endif
+#else
+# error "Core clock selection not valid (mbed_overrides.c)"
+#endif
+
+    CMU_ClockEnable(cmuClock_CORELE, true);
+
+#if( LOW_ENERGY_CLOCK_SOURCE == LFXO )
+# ifdef _CMU_LFACLKEN0_MASK
+    CMU_ClockSelectSet(cmuClock_LFA, cmuSelect_LFXO);
+# endif
+# ifdef _CMU_LFBCLKEN0_MASK
+    /* cmuClock_LFB (to date) only has LEUART peripherals.
+    *  This gets set automatically whenever you create serial objects using LEUART
+    */
+# endif
+# ifdef _CMU_LFECLKEN0_MASK
+    CMU_ClockSelectSet(cmuClock_LFE, cmuSelect_LFXO);
+# endif
+    SystemLFXOClockSet(LFXO_FREQUENCY);
+
+#elif( LOW_ENERGY_CLOCK_SOURCE == LFRCO )
+# ifdef _CMU_LFACLKEN0_MASK
+    CMU_ClockSelectSet(cmuClock_LFA, cmuSelect_LFRCO);
+# endif
+# ifdef _CMU_LFBCLKEN0_MASK
+    //CMU_ClockSelectSet(cmuClock_LFB, cmuSelect_LFRCO);
+# endif
+# ifdef _CMU_LFECLKEN0_MASK
+    CMU_ClockSelectSet(cmuClock_LFE, cmuSelect_LFRCO);
+# endif
+
+#elif( LOW_ENERGY_CLOCK_SOURCE == ULFRCO)
+# ifdef _CMU_LFACLKEN0_MASK
+    CMU_ClockSelectSet(cmuClock_LFA, cmuSelect_ULFRCO);
+# endif
+# ifdef _CMU_LFBCLKEN0_MASK
+    CMU_ClockSelectSet(cmuClock_LFB, cmuSelect_ULFRCO);
+# endif
+# ifdef _CMU_LFECLKEN0_MASK
+    CMU_ClockSelectSet(cmuClock_LFE, cmuSelect_ULFRCO);
+# endif
+#else
+# error "Low energy clock selection not valid"
+#endif
+
+    /* Enable BC line driver to avoid garbage on CDC port */
+    gpio_init_out_ex(&bc_enable, EFM_BC_EN, 1);
+}