目前可以收發usb了, 但usb 只能收2byte , 我從PC送出64byte 資料 , 結果STM 只能一次收2byte , 還有什麼地方要修改?
const uint8_t CustomHID_ReportDescriptor[CUSTOMHID_SIZ_REPORT_DESC] =
  {   
    0x05, 0x8c, /* USAGE_PAGE (ST Page) */
    0x09, 0x01, /* USAGE (Demo Kit) */
    0xa1, 0x01, /* COLLECTION (Application) */
    // The Input report
    0x09,0x03, // USAGE ID - Vendor defined
    0x15,0x00, // LOGICAL_MINIMUM (0)
    0x26,0x00, 0xFF, // LOGICAL_MAXIMUM (255)
    0x75,0x08, // REPORT_SIZE (8bit)
    0x95,0x40, // REPORT_COUNT (64Byte)
    0x81,0x02, // INPUT (Data,Var,Abs)
    // The Output report
    0x09,0x04, // USAGE ID - Vendor defined
    0x15,0x00, // LOGICAL_MINIMUM (0)
    0x26,0x00,0xFF, // LOGICAL_MAXIMUM (255)
    0x75,0x08, // REPORT_SIZE (8bit)
    0x95,0x40, // REPORT_COUNT (64Byte)
    0x91,0x02, // OUTPUT (Data,Var,Abs)
    0xc0 /* END_COLLECTION */
}; /* CustomHID_ReportDescriptor */
 
usb_prop.c
void CustomHID_Reset(void)
{
  /* Set Joystick_DEVICE as not configured */
  pInformation->Current_Configuration = 0;
  pInformation->Current_Interface = 0;/*the default Interface*/
 
  /* Current Feature initialization */
  pInformation->Current_Feature = CustomHID_ConfigDescriptor[7];
 
#ifdef STM32F10X_CL  
  /* EP0 is already configured in DFU_Init() by USB_SIL_Init() function */
 
  /* Init EP1 IN as Interrupt endpoint */
  OTG_DEV_EP_Init(EP1_IN, OTG_DEV_EP_TYPE_INT, 64);
 
  /* Init EP1 OUT as Interrupt endpoint */
  OTG_DEV_EP_Init(EP1_OUT, OTG_DEV_EP_TYPE_INT, 64);
#else
  SetBTABLE(BTABLE_ADDRESS);
  /* Initialize Endpoint 0 */
  SetEPType(ENDP0, EP_CONTROL);
  SetEPTxStatus(ENDP0, EP_TX_STALL);
  SetEPRxAddr(ENDP0, ENDP0_RXADDR);
  SetEPTxAddr(ENDP0, ENDP0_TXADDR);
  Clear_Status_Out(ENDP0);
  SetEPRxCount(ENDP0, Device_Property.MaxPacketSize);
  SetEPRxValid(ENDP0);
  /* Initialize Endpoint 1 */
  SetEPType(ENDP1, EP_INTERRUPT);
  SetEPTxAddr(ENDP1, ENDP1_TXADDR);
  SetEPRxAddr(ENDP1, ENDP1_RXADDR);
  SetEPTxCount(ENDP1, 64);
  SetEPRxCount(ENDP1, 64);
  SetEPRxStatus(ENDP1, EP_RX_VALID);
  SetEPTxStatus(ENDP1, EP_TX_NAK);
  /* Set this device to response on default address */
  SetDeviceAddress(0);
#endif /* STM32F10X_CL */
  bDeviceState = ATTACHED;
}
 
usb_endp.c

void EP1_OUT_Callback(void)
{
     DataLen = USB_SIL_Read(EP1_OUT, USB_Buffer);     //