2013-01-08 22:40:58 +08:00
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/**************************************************************************//**
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* @file
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* @brief EFM32GG_DK3750 board support package BRD3600A API implementation
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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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/***************************************************************************//**
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* @addtogroup BSP
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* @{
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******************************************************************************/
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#include "efm32.h"
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#include "em_gpio.h"
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#include "em_ebi.h"
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#include "em_cmu.h"
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#include "dvk.h"
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#include "dvk_bcregisters.h"
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/**************************************************************************//**
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* @brief Configure BRD3600A on-board peripherals.
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*****************************************************************************/
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void DVK_BRD3600A_init(void)
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{
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/* Enable CMU GPIO clocks */
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CMU_ClockEnable(cmuClock_GPIO, true);
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/* USB status LED - configure PE1 as push pull */
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GPIO_PinModeSet(gpioPortE, 1, gpioModePushPull, 0);
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/* USB overcurrent status - configure PE2 as push pull */
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GPIO_PinModeSet(gpioPortE, 2, gpioModeInput, 0);
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/* USB VBUS switch - configure PF5 as push pull - Default OFF */
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GPIO_PinModeSet(gpioPortF, 5, gpioModePushPull, 0);
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return;
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}
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/**************************************************************************//**
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* @brief Disable EFM32GG_DK3750 EBI board support package functionality
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*****************************************************************************/
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void DVK_BRD3600A_deInit(void)
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{
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/* Disable PE1 */
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GPIO_PinModeSet(gpioPortE, 1, gpioModePushPull, 0);
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/* Disable CMU GPIO clocks */
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CMU_ClockEnable(cmuClock_GPIO, false);
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return;
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}
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/**************************************************************************//**
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* @brief Set state of USB status LED
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* @param[in] enable Set to true to light LED, false to dim it
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*****************************************************************************/
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void DVK_BRD3600A_usbStatusLEDEnable(int enable)
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{
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GPIO_PinModeSet(gpioPortE, 1, gpioModePushPull, enable);
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return;
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}
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/**************************************************************************//**
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* @brief Enable VBUS switch
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* @param[in] enable Set to true to enable switch
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*****************************************************************************/
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void DVK_BRD3600A_usbVBUSSwitchEnable(int enable)
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{
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GPIO_PinModeSet(gpioPortF, 5, gpioModePushPull, enable);
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return;
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}
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/**************************************************************************//**
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* @brief Get state of VBUS switch overcurrent flag
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*****************************************************************************/
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int DVK_BRD3600A_usbVBUSGetOCFlagState(void)
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{
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return ~GPIO_PinInGet(gpioPortE, 2);
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}
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/** @} (end group BSP) */
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