//------------------------------------------------------------------------------
/// Initializes the USB process
/// Depending on the mode supported (HOST/DEVICE/DUAL_ROLE) the function calls
/// the coresponding USB mode initialization function
//------------------------------------------------------------------------------
void usb_task_init(void)
{
// DUAL ROLE DEVICE USB MODE
Otg_message_task_init(); // OTG program needs to display event messages to the user
b_uut_device_state = B_IDLE; // init state machines variables
device_state = DEVICE_UNATTACHED;
otg_device_nb_hnp_retry = BDEV_HNP_NB_RETRY;
Clear_all_user_request();
Usb_enable_uid_pin();
g_usb_mode=USB_MODE_UNDEFINED;
if(Is_usb_id_device()) {
g_usb_mode=USB_MODE_DEVICE;
#ifdef MSD_PROJECT
MSDDriver_Initialize(luns, numMedias);
#else
// HID
HIDDMouseDriver_Initialize();
#endif
id_changed_to_host_event = DISABLE;
}
else {
Usb_send_event(EVT_USB_HOST_FUNCTION);
g_usb_mode=USB_MODE_HOST;
// Startup with ID=0, Ack ID pin transistion (default hwd start up is device mode)
Usb_ack_id_transition();
Usb_enable_id_interrupt();
usb_host_task_init();
id_changed_to_host_event = ENABLE;
}
// Store current usb mode, for mode change detection
g_old_usb_mode = g_usb_mode;
}
/**
* \brief usb_massstorage Application entry point.
*
* Configures UART,
* Configures TC0, USB MSD Driver and run it.
*
* \return Unused (ANSI-C compatibility).
*/
int main( void )
{
sSdCard *pSd = 0;
/* Disable watchdog */
WDT_Disable( WDT ) ;
SCB_EnableICache();
SCB_EnableDCache();
#if defined LUN_RAMDISK
/* Enable SDRAM */
BOARD_ConfigureSdram();
#endif
TRACE_INFO("-- USB Device Mass Storage Example %s --\n\r", SOFTPACK_VERSION);
TRACE_INFO("-- %s\n\r", BOARD_NAME);
TRACE_INFO("-- Compiled: %s %s --\n\r", __DATE__, __TIME__);
/* If they are present, configure Vbus & Wake-up pins */
PIO_InitializeInterrupts(0);
/* Initialize all USB power (off) */
_ConfigureUotghs();
/* Initialize PIO pins */
_ConfigurePIOs();
/* Initialize drivers */
_ConfigureDrivers();
_MemoriesInitialize(pSd);
/* BOT driver initialization */
MSDDriver_Initialize(&msdDriverDescriptors, luns, MAX_LUNS);
/* connect if needed */
USBD_Connect();
while (1) {
/* Mass storage state machine */
if (USBD_GetState() < USBD_STATE_CONFIGURED){}
else
{
MSDDriver_StateMachine();
if (msdRefresh)
{
msdRefresh = 0;
if (msdWriteTotal < 50 * 1000)
{
/* Flush Disk Media */
}
msdWriteTotal = 0;
}
}
}
}