void EP4_Handler(void)
{
/* INT IN transfer */
if (gu8IsDeviceReady)
{
RDR_to_PC_NotifySlotChange();
USBD_MemCopy((uint8_t *)(USBD_BUF_BASE + USBD_GET_EP_BUF_ADDR(EP4)), pu8IntInBuf, 2);
USBD_SET_PAYLOAD_LEN(EP4, 2);
gu8IsDeviceReady = 0;
}
if (!gu8IsBulkOutReady)
USBD_SET_PAYLOAD_LEN(EP3, EP3_MAX_PKT_SIZE);
}
/**
* @brief CCID_IntMessage
* Send the Interrupt-IN data to the host
* @param pdev: device instance
* @retval None
*/
void CCID_IntMessage(USB_CORE_HANDLE *pdev)
{
/* Check if there us change in Smartcard Slot status */
if ( CCID_IsSlotStatusChange() && CCID_IsIntrTransferComplete() )
{
/* Check Slot Status is changed. Card is Removed/ Fitted */
RDR_to_PC_NotifySlotChange();
CCID_SetIntrTransferStatus(0); /* Reset the Status */
CCID_UpdSlotChange(0); /* Reset the Status of Slot Change */
DCD_EP_Tx (pdev, CCID_INTR_IN_EP, UsbIntMessageBuffer, 2);
}
}
/**
* @brief USBD Endpoint Config.
* @param None.
* @retval None.
*/
void CCID_Init(void)
{
/* Init setup packet buffer */
/* Buffer for setup packet -> [0 ~ 0x7] */
USBD->BUFSEG = SETUP_BUF_BASE;
/*****************************************************/
/* EP0 ==> control IN endpoint, address 0 */
USBD_CONFIG_EP(EP0, USBD_CFG_CSTALL | USBD_CFG_EPMODE_IN | 0);
/* Buffer range for EP0 */
USBD_SET_EP_BUF_ADDR(EP0, EP0_BUF_BASE);
/* EP1 ==> control OUT endpoint, address 0 */
USBD_CONFIG_EP(EP1, USBD_CFG_CSTALL | USBD_CFG_EPMODE_OUT | 0);
/* Buffer range for EP1 */
USBD_SET_EP_BUF_ADDR(EP1, EP1_BUF_BASE);
/*****************************************************/
/* EP2 ==> Bulk IN endpoint, address 2 */
USBD_CONFIG_EP(EP2, USBD_CFG_EPMODE_IN | BULK_IN_EP_NUM);
/* Buffer offset for EP2 */
USBD_SET_EP_BUF_ADDR(EP2, EP2_BUF_BASE);
/* EP3 ==> Bulk Out endpoint, address 2 */
USBD_CONFIG_EP(EP3, USBD_CFG_EPMODE_OUT | BULK_OUT_EP_NUM);
/* Buffer offset for EP3 */
USBD_SET_EP_BUF_ADDR(EP3, EP3_BUF_BASE);
/* trigger receive OUT data */
USBD_SET_PAYLOAD_LEN(EP3, EP3_MAX_PKT_SIZE);
/* EP4 ==> Interrupt IN endpoint, address 3 */
USBD_CONFIG_EP(EP4, USBD_CFG_EPMODE_IN | INT_IN_EP_NUM);
/* Buffer offset for EP4 -> */
USBD_SET_EP_BUF_ADDR(EP4, EP4_BUF_BASE);
/* check card state */
gu8IsDeviceReady = 1;
pu8IntInBuf = &UsbIntMessageBuffer[0];
pUsbMessageBuffer = &UsbMessageBuffer[0];
RDR_to_PC_NotifySlotChange();
USBD_MemCopy((uint8_t *)(USBD_BUF_BASE + USBD_GET_EP_BUF_ADDR(EP4)), pu8IntInBuf, 2);
USBD_SET_PAYLOAD_LEN(EP4, 2);
}
