int main(void)
{
/* Chip errata */
CHIP_Init();
/* Enable HFXO */
CMU_ClockSelectSet(cmuClock_HF, cmuSelect_HFXO);
/* Enable deboug output over UART */
RETARGET_SerialInit();
RETARGET_SerialCrLf(1);
/* Enable the segment LCD */
SegmentLCD_Init(false);
SegmentLCD_Write("USB");
printf("\nStarting USB Device...\n");
/* Set up GPIO interrupts */
gpioInit();
/* Start USB stack. Callback routines in callbacks.c will be called
* when connected to a host. */
USBD_Init(&initstruct);;
/*
* When using a debugger it is pratical to uncomment the following three
* lines to force host to re-enumerate the device.
*/
/* USBD_Disconnect(); */
/* USBTIMER_DelayMs( 1000 ); */
/* USBD_Connect(); */
while(1)
{
if ( USBD_SafeToEnterEM2() )
{
/* Enter EM2 when in suspend or disconnected */
EMU_EnterEM2(true);
}
else
{
/* When USB is active we can sleep in EM1. */
EMU_EnterEM1();
}
}
}
/**************************************************************************//**
* @brief main - the entrypoint after reset.
*****************************************************************************/
int main( void )
{
#if !defined(BUSPOWERED)
BSP_Init(BSP_INIT_DEFAULT); /* Initialize DK board register access */
/* If first word of user data page is non-zero, enable eA Profiler trace */
BSP_TraceProfilerSetup();
#endif
CMU_ClockSelectSet( cmuClock_HF, cmuSelect_HFXO );
CMU_OscillatorEnable(cmuOsc_LFXO, true, false);
#if !defined(BUSPOWERED)
RETARGET_SerialInit(); /* Initialize DK UART port */
RETARGET_SerialCrLf( 1 ); /* Map LF to CRLF */
printf( "\nEFM32 Mass Storage Device example\n" );
#endif
if ( !MSDDMEDIA_Init() )
{
#if !defined(BUSPOWERED)
printf( "\nMedia error !\n" );
#endif
EFM_ASSERT( false );
for( ;; ){}
}
MSDD_Init(gpioPortE, 1);
for (;;)
{
if ( MSDD_Handler() )
{
/* There is no pending activity in the MSDD handler. */
/* Enter sleep mode to conserve energy. */
if ( USBD_SafeToEnterEM2() )
EMU_EnterEM2(true);
else
EMU_EnterEM1();
}
}
}