UINT8 CDC_InterfaceReq_Handler(void)
{
UINT8 u8State=uSETUP;
switch(Setup_Pkt->bRequest)
{
case GET_INTERFACE:
EP_IN_Transfer(EP0,&gu8Interface,1);
break;
case GET_LINE_CODING:
EP_IN_Transfer(EP0,(UINT8*)&LineCoding,7);
break;
case SET_LINE_CODING:
u8CDCState=SET_LINE_CODING;
u8State=uDATA;
break;
case SET_CONTROL_LINE_STATE:
u8CDCState=SET_CONTROL_LINE_STATE;
u8State=uSETUP;
break;
case LOADER_MODE:
Buffer_Init(CDC_OUT_Data,CDC_BUFFER_SIZE);
FLAG_SET(LOADER,gu8USB_Flags);
CDC_OUT_Data[0]=0xFF;
break;
}
return(u8State);
}
void USB_Endpoint_Setup_Handler(void)
{
UINT16 u16Status;
switch(Setup_Pkt->bRequest)
{
case GET_STATUS:
if(FLAG_CHK(Setup_Pkt->wIndex_h,gu8HALT_EP))
u16Status=0x0100;
else
u16Status=0x0000;
EP_IN_Transfer(EP0,(UINT8*)&u16Status,2);
break;
case CLEAR_FEATURE:
FLAG_CLR(Setup_Pkt->wIndex_h,gu8HALT_EP);
EP_IN_Transfer(EP0,0,0);
break;
case SET_FEATURE:
FLAG_SET(Setup_Pkt->wIndex_h,gu8HALT_EP);
EP_IN_Transfer(EP0,0,0);
break;
default:
break;
}
}
/*!
* @brief 当前接口请求为CDC类请求 的 中断复位函数
* @note 在 USB_Setup_Handler 中断里调用
* @since v5.0
*/
uint8 CDC_InterfaceReq_Handler(void)
{
uint8 u8State = uSETUP;
switch(Setup_Pkt->bRequest)
{
case GET_INTERFACE:
EP_IN_Transfer(EP0, &gu8Interface, 1);
break;
case GET_LINE_CODING:
EP_IN_Transfer(EP0, (uint8 *)&com_cfg, 7);
break;
case SET_LINE_CODING:
u8CDCState = SET_LINE_CODING;
u8State = uDATA;
break;
case SET_CONTROL_LINE_STATE:
u8CDCState = SET_CONTROL_LINE_STATE;
u8State = uSETUP;
break;
case LOADER_MODE:
FLAG_SET(LOADER, gu8USB_Flags);
CDC_OUT_Data[0] = 0xFF;
break;
default:
break;
}
return(u8State);
}
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 USB_EP0_IN_Handler(void)
{
if(gu8USB_State==uADDRESS)
{
USB0_ADDR = Setup_Pkt->wValue_l;
gu8USB_State=uREADY;
FLAG_SET(fIN,gu8USBClearFlags);
}
EP_IN_Transfer(0,0,0);
}
void USB_StdReq_Handler(void)
{
switch(Setup_Pkt->bRequest)
{
case mSET_ADDRESS:
EP_IN_Transfer(EP0,0,0);
gu8USB_State=uADDRESS;
break;
case mGET_DESC:
switch(Setup_Pkt->wValue_h)
{
case mDEVICE:
EP_IN_Transfer(EP0,(uint8*)Device_Descriptor,sizeof(Device_Descriptor));
break;
case mCONFIGURATION:
EP_IN_Transfer(EP0,(uint8*)Configuration_Descriptor,sizeof(Configuration_Descriptor));
break;
case mSTRING:
EP_IN_Transfer(EP0,(uint8*)String_Table[Setup_Pkt->wValue_l],String_Table[Setup_Pkt->wValue_l][0]);
gu8USB_State=uENUMERATED;
break;
default:
USB_EP0_Stall();
break;
}
break;
case mSET_CONFIG:
gu8Dummy=Setup_Pkt->wValue_h+Setup_Pkt->wValue_l;
if(Setup_Pkt->wValue_h+Setup_Pkt->wValue_l)
{
USB_Set_Interface();
EP_IN_Transfer(EP0,0,0);
gu8USB_State=uENUMERATED;
}
break;
case mGET_CONFIG:
EP_IN_Transfer(EP0,(uint8*)&gu8Dummy,1);
break;
case mGET_STATUS:
gu8Status=0;
EP_IN_Transfer(EP0,(uint8*)&gu8Status,2);
break;
default:
USB_EP0_Stall();
break;
}
}
void usb_service(void)
{
// If data transfer arrives
if(FLAG_CHK(EP_OUT,gu8USB_Flags))
{
(void)USB_EP_OUT_SizeCheck(EP_OUT);
usbEP_Reset(EP_OUT);
usbSIE_CONTROL(EP_OUT);
FLAG_CLR(EP_OUT,gu8USB_Flags);
// Send it back to the PC
EP_IN_Transfer(EP2,CDC_OUTPointer,1);
}
if (!ti_print)
{
ti_print = 300;
sprintf((char *)gu8USB_Buffer,"\rtsi %%= %03i ", AbsolutePercentegePosition);
EP_IN_Transfer(EP2,gu8USB_Buffer,15);
}
}
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;
}
*/
}
