bsp_dk_mcuboard.c

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/***************************************************************************/
#include <stdbool.h>
#include "bsp.h"
#include "em_gpio.h"
#include "em_cmu.h"

/***************************************************************************/
/***************************************************************************/
/**************************************************************************/
int BSP_McuBoard_DeInit( void )
{
#ifdef BSP_MCUBOARD_USB
  /* Disable GPIO port pin mode. */
  GPIO_PinModeSet( BSP_USB_STATUSLED_PORT, BSP_USB_STATUSLED_PIN, gpioModeDisabled, 0 );
  GPIO_PinModeSet( BSP_USB_OCFLAG_PORT, BSP_USB_OCFLAG_PIN, gpioModeDisabled, 0 );
  GPIO_PinModeSet( BSP_USB_VBUSEN_PORT, BSP_USB_VBUSEN_PIN, gpioModeDisabled, 0 );
#endif

  return BSP_STATUS_OK;
}

/**************************************************************************/
int BSP_McuBoard_Init( void )
{
#ifdef BSP_MCUBOARD_USB
  /* Make sure that the CMU clock to the GPIO peripheral is enabled  */
  CMU_ClockEnable( cmuClock_GPIO, true );

  /* USB status LED - configure PE1 as push pull */
  GPIO_PinModeSet( BSP_USB_STATUSLED_PORT, BSP_USB_STATUSLED_PIN, gpioModePushPull, 0 );

  /* USB PHY overcurrent status input */
  GPIO_PinModeSet( BSP_USB_OCFLAG_PORT, BSP_USB_OCFLAG_PIN, gpioModeInput, 0 );

  /* USB VBUS switch - configure PF5 as push pull - Default OFF */
  GPIO_PinModeSet( BSP_USB_VBUSEN_PORT, BSP_USB_VBUSEN_PIN, gpioModePushPull, 0 );
#endif

  return BSP_STATUS_OK;
}

/**************************************************************************/
int BSP_McuBoard_UsbStatusLedEnable( bool enable )
{
#ifdef BSP_MCUBOARD_USB
  if ( enable )
  {
    GPIO_PinOutSet( BSP_USB_STATUSLED_PORT, BSP_USB_STATUSLED_PIN );
  }
  else
  {
    GPIO_PinOutClear( BSP_USB_STATUSLED_PORT, BSP_USB_STATUSLED_PIN );
  }

  return BSP_STATUS_OK;
#else

  (void)enable;
  return BSP_STATUS_NOT_IMPLEMENTED;
#endif
}

/**************************************************************************/
bool BSP_McuBoard_UsbVbusOcFlagGet( void )
{
#ifdef BSP_MCUBOARD_USB
  bool flag;

  if ( !GPIO_PinInGet( BSP_USB_OCFLAG_PORT, BSP_USB_OCFLAG_PIN ) )
  {
    flag = true;
  }
  else
  {
    flag = false;
  }

  return flag;
#else

  return false;
#endif
}

/**************************************************************************/
int BSP_McuBoard_UsbVbusPowerEnable( bool enable )
{
#ifdef BSP_MCUBOARD_USB
  GPIO_PinModeSet( BSP_USB_VBUSEN_PORT, BSP_USB_VBUSEN_PIN, gpioModePushPull, enable );

  return BSP_STATUS_OK;
#else

  (void)enable;
  return BSP_STATUS_NOT_IMPLEMENTED;
#endif
}