/*! \brief Main function. Execution starts here.
*
* \retval 42 Fatal error.
*/
int main(void)
{
#ifndef FREERTOS_USED
Enable_global_exception();
INTC_init_interrupts();
#endif
pcl_switch_to_osc(PCL_OSC0, FOSC0, OSC0_STARTUP);
init_dbg_rs232(FOSC0);
pcl_configure_usb_clock();
usb_task_init();
#if USB_DEVICE_FEATURE == true
device_template_task_init();
#endif
#if USB_HOST_FEATURE == true
host_template_task_init();
#endif
#ifdef FREERTOS_USED
vTaskStartScheduler();
portDBG_TRACE("FreeRTOS returned.");
return 42;
#else
while (true)
{
usb_task();
#if USB_DEVICE_FEATURE == true
device_template_task();
#endif
#if USB_HOST_FEATURE == true
host_template_task();
#endif
}
#endif // FREERTOS_USED
}
/**
* \brief UOTGHS Library Example Application entry point.
*
* \return 42 Fatal error.
*/
extern int main( void )
{
/* Disable watchdog */
WDT_Disable( WDT ) ;
/* UTMI parallel mode, High/Full/Low Speed */
/* UOTGCK not used in this configuration (High Speed) */
PMC->PMC_SCDR = PMC_SCDR_UOTGCK;
/* USB clock register: USB Clock Input is UTMI PLL */
PMC->PMC_USB = PMC_USB_USBS;
/* USBS: USB Input Clock Selection: USB Clock Input is PLLA */
/* Enable peripheral clock for UOTGHS */
PMC_EnablePeripheral(UOTGHS_IRQn);
UOTGHS->UOTGHS_CTRL = 0x0;
/* Enable PLL 480 MHz */
PMC->CKGR_UCKR = CKGR_UCKR_UPLLEN | CKGR_UCKR_UPLLCOUNT(0xF);
/* Wait that PLL is considered locked by the PMC */
while( !(PMC->PMC_SR & PMC_SR_LOCKU) );
/* Enable peripheral clock for UOTGHS */
PMC_EnablePeripheral(UOTGHS_IRQn);
/* Output example information */
printf( "-- UOTGHS Library Example %s --\n\r", SOFTPACK_VERSION ) ;
printf( "-- %s\n\r", BOARD_NAME ) ;
printf( "-- Compiled: %s %s --\n\r", __DATE__, __TIME__ ) ;
/* UOTGHS pins */
PIO_PinConfigure( pUOTGHSPins, PIO_LISTSIZE( pUOTGHSPins ) );
if ( PIO_PinGet(&pUOTGHS_Fault) == 0 )
{
TRACE_OTG("UOTGHS_Fault = 0 (active low ERROR FLAG !\r\n");
TRACE_OTG("Undervoltage, Soft Start, Overcurrent, or Overtemperature\r\n");
while(1);
}
/* Enable interrupt */
NVIC_EnableIRQ(UOTGHS_IRQn);
/* Initialize USB task */
usb_task_init();
#if USB_DEVICE_FEATURE == ENABLED
device_template_task_init();
#endif
#if USB_HOST_FEATURE == ENABLED
host_template_task_init();
#endif
#ifdef FREERTOS_USED
/* Start OS scheduler */
vTaskStartScheduler();
TRACE_OTG("FreeRTOS returned\n\r");
return 42;
#else
/* No OS here. Need to call each task in round-robin mode. */
while (TRUE)
{
usb_task();
#if USB_DEVICE_FEATURE == ENABLED
device_template_task();
#endif
#if USB_HOST_FEATURE == ENABLED
host_template_task();
#endif
}
#endif /* FREERTOS_USED */
}
