/**
* @brief USB_OTG_HandleConnectorIDStatusChange_ISR
* handles the Connector ID Status Change Interrupt
* @param None
* @retval : status
*/
static uint32_t USB_OTG_HandleConnectorIDStatusChange_ISR(USB_OTG_CORE_HANDLE *pdev)
{
USB_OTG_GINTMSK_TypeDef gintmsk;
USB_OTG_GOTGCTL_TypeDef gotgctl;
USB_OTG_GINTSTS_TypeDef gintsts;
gintsts.d32 = 0 ;
gintmsk.d32 = 0 ;
gotgctl.d32 = 0 ;
gintmsk.b.sofintr = 1;
USB_OTG_MODIFY_REG32(&pdev->regs.GREGS->GINTMSK, gintmsk.d32, 0);
gotgctl.d32 = USB_OTG_READ_REG32(&pdev->regs.GREGS->GOTGCTL);
/* B-Device connector (Device Mode) */
if (gotgctl.b.conidsts)
{
USB_OTG_DisableGlobalInt(pdev);
USB_OTG_CoreInitDev(pdev);
USB_OTG_EnableGlobalInt(pdev);
pdev->otg.OTG_State = B_PERIPHERAL;
}
else
{
USB_OTG_DisableGlobalInt(pdev);
USB_OTG_CoreInitHost(pdev);
USB_OTG_EnableGlobalInt(pdev);
pdev->otg.OTG_State = A_HOST;
}
/* Set flag and clear interrupt */
gintsts.b.conidstschng = 1;
USB_OTG_WRITE_REG32 (&pdev->regs.GREGS->GINTSTS, gintsts.d32);
return 1;
}
void DCD_Init(USB_OTG_CORE_HANDLE *pdev ,
USB_OTG_CORE_ID_TypeDef coreID)
{
uint32_t i;
USB_OTG_EP *ep;
USB_OTG_SelectCore (pdev , coreID);
pdev->dev.device_status = USB_OTG_DEFAULT;
pdev->dev.device_address = 0;
/* Init ep structure */
for (i = 0; i < pdev->cfg.dev_endpoints ; i++)
{
ep = &pdev->dev.in_ep[i];
/* Init ep structure */
ep->is_in = 1;
ep->num = i;
ep->tx_fifo_num = i;
/* Control until ep is actvated */
ep->type = EP_TYPE_CTRL;
ep->maxpacket = USB_OTG_MAX_EP0_SIZE;
ep->xfer_buff = 0;
ep->xfer_len = 0;
}
for (i = 0; i < pdev->cfg.dev_endpoints; i++)
{
ep = &pdev->dev.out_ep[i];
/* Init ep structure */
ep->is_in = 0;
ep->num = i;
ep->tx_fifo_num = i;
/* Control until ep is activated */
ep->type = EP_TYPE_CTRL;
ep->maxpacket = USB_OTG_MAX_EP0_SIZE;
ep->xfer_buff = 0;
ep->xfer_len = 0;
}
USB_OTG_DisableGlobalInt(pdev);
/*Init the Core (common init.) */
USB_OTG_CoreInit(pdev);
/* Force Device Mode*/
USB_OTG_SetCurrentMode(pdev, DEVICE_MODE);
/* Init Device */
USB_OTG_CoreInitDev(pdev);
/* Enable USB Global interrupt */
USB_OTG_EnableGlobalInt(pdev);
}
