2013-01-08 22:40:58 +08:00
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/**************************************************************************//**
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* @file
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* @brief DVK board support package, initialization
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* @author Energy Micro AS
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* @version 2.0.1
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******************************************************************************
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* @section License
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* <b>(C) Copyright 2012 Energy Micro AS, http://www.energymicro.com</b>
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*******************************************************************************
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*
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* Permission is granted to anyone to use this software for any purpose,
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* including commercial applications, and to alter it and redistribute it
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* freely, subject to the following restrictions:
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*
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* 1. The origin of this software must not be misrepresented; you must not
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* claim that you wrote the original software.
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* 2. Altered source versions must be plainly marked as such, and must not be
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* misrepresented as being the original software.
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* 3. This notice may not be removed or altered from any source distribution.
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* 4. The source and compiled code may only be used on Energy Micro "EFM32"
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* microcontrollers and "EFR4" radios.
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*
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* DISCLAIMER OF WARRANTY/LIMITATION OF REMEDIES: Energy Micro AS has no
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* obligation to support this Software. Energy Micro AS is providing the
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* Software "AS IS", with no express or implied warranties of any kind,
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* including, but not limited to, any implied warranties of merchantability
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* or fitness for any particular purpose or warranties against infringement
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* of any proprietary rights of a third party.
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*
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* Energy Micro AS will not be liable for any consequential, incidental, or
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* special damages, or any other relief, or for any claim by any third party,
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* arising from your use of this Software.
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*
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*****************************************************************************/
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#include "efm32.h"
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#include "dvk.h"
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/***************************************************************************//**
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* @addtogroup BSP
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* @{
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******************************************************************************/
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/**************************************************************************//**
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* @brief Initializes DVK, configures board control access
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*****************************************************************************/
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bool DVK_init(void)
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{
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bool ret;
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#ifdef DVK_EBI_CONTROL
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ret = DVK_EBI_init();
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#endif
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#ifdef DVK_SPI_CONTROL
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ret = DVK_SPI_init();
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#endif
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if ( ret == false )
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{
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/* Board is configured in wrong mode, please restart KIT! */
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while(1);
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}
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/* Inform AEM application that we are in Energy Mode 0 by default */
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DVK_setEnergyMode(0);
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return ret;
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}
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/**************************************************************************//**
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* @brief Disables DVK, free up resources
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*****************************************************************************/
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void DVK_disable(void)
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{
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#ifdef DVK_EBI_CONTROL
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/* Handover bus control */
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DVK_disableBus();
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/* Disable EBI interface */
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DVK_EBI_disable();
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#endif
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#ifdef DVK_SPI_CONTROL
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DVK_SPI_disable();
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#endif
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}
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/** @} (end group BSP) */
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