void CDC_Engine(void)
{
//uint16 u8RecData;
/* control Stage */
switch(u8CDCState)
{
case WAITING_FOR_ENUMERATION:
/* 等待 USB 枚举 */
while(gu8USB_State != uENUMERATED)
{
(void)u8CDCState;
};
u8CDCState = 0;
break;
case SET_LINE_CODING:
if(FLAG_CHK(EP0, gu8USB_Flags))
{
FLAG_CLR(EP0, gu8USB_Flags);
(void)EP_OUT_Transfer(EP0, (uint8 *)&com_cfg);
EP_IN_Transfer(EP0, 0, 0);
}
break;
case SET_CONTROL_LINE_STATE:
EP_IN_Transfer(EP0, 0, 0);
break;
}
}
void CDC_Engine(void)
{
//UINT16 u8RecData;
/* control Stage */
switch(u8CDCState)
{
case WAITING_FOR_ENUMERATION:
/* Wait for USB Enumeration */
//while(gu8USB_State!=uENUMERATED)
{
(void)u8CDCState;
//__RESET_WATCHDOG();
//USB_FLAGS=USB_ISTAT;
//USB_ERROR_FLAGS=USB_ERRSTAT;
};
//u8CDCState=0;
break;
case SET_LINE_CODING:
if(FLAG_CHK(EP0,gu8USB_Flags))
{
FLAG_CLR(EP0,gu8USB_Flags);
(void)EP_OUT_Transfer(EP0,(UINT8*)&LineCoding);
EP_IN_Transfer(EP0,0,0);
//vfnSCI1Init();
}
break;
case SET_CONTROL_LINE_STATE:
EP_IN_Transfer(EP0,0,0);
break;
}
/* Data stage */
/*
if(FLAG_CHK(EP_OUT,gu8USB_Flags))
{
u8RecData=USB_EP_OUT_SizeCheck(EP_OUT); // Check how many bytes from the PC
usbEP_Reset(EP_OUT);
usbSIE_CONTROL(EP_OUT);
FLAG_CLR(EP_OUT,gu8USB_Flags);
EP_IN_Transfer(EP2,CDC_OUTPointer,2);
u8RecData=0;
}
*/
}
void CDC_Engine(void)
{
//uint16 u8RecData;
/** re-init CDC class if a VBUS HIGH event was detected */
if (FLAG_CHK(VBUS_HIGH_EVENT,gu8ISR_Flags))
{
FLAG_SET(USB_CTL_USBENSOFEN_MASK,USB0_CTL);
u8CDCState = WAITING_FOR_ENUMERATION;
enum_msg = TRUE;
CDC_Init();
FLAG_CLR(VBUS_HIGH_EVENT,gu8ISR_Flags);
}
/* control Stage */
switch(u8CDCState)
{
case WAITING_FOR_ENUMERATION:
/* Wait for USB Enumeration */
while(gu8USB_State!=uENUMERATED)
{
(void)u8CDCState;
};
if (enum_msg)
{
printf ("\nUSB Enumerated, check your COM ports ");
enum_msg = FALSE;
}
u8CDCState=0;
break;
case SET_LINE_CODING:
if(FLAG_CHK(EP0,gu8USB_Flags))
{
FLAG_CLR(EP0,gu8USB_Flags);
(void)EP_OUT_Transfer(EP0,(uint8*)&LineCoding);
EP_IN_Transfer(EP0,0,0);
//vfnSCI1Init();
}
break;
case SET_CONTROL_LINE_STATE:
EP_IN_Transfer(EP0,0,0);
break;
}
/* Data stage */
/*
if(FLAG_CHK(EP_OUT,gu8USB_Flags))
{
u8RecData=USB_EP_OUT_SizeCheck(EP_OUT); // Check how many bytes from the PC
usbEP_Reset(EP_OUT);
usbSIE_CONTROL(EP_OUT);
FLAG_CLR(EP_OUT,gu8USB_Flags);
EP_IN_Transfer(EP2,CDC_OUTPointer,2);
u8RecData=0;
}
*/
}
