function.c

学习USB2.0驱动程序设计源码

#pragma NOIV

#include "testheader.h"
#include "testregs.h"

extern BOOL	Rwuen; 
extern BOOL	GotSUD;
extern BOOL	Sleep;
extern BOOL	Selfpwr;

BYTE	Configuration;
BYTE	AlternateSetting;
BYTE    suspCount;

void TD_Init(void) 	
{
    
    IN07VAL |= bmEP1 + bmEP2 + bmEP3 + bmEP4 + bmEP5 + bmEP6 + bmEP7;
    OUT07VAL |= bmEP1 + bmEP2 + bmEP3 + bmEP4 + bmEP5+ bmEP6 + bmEP7;
    
    OUT07IEN |= bmEP1 + bmEP2 + bmEP3 + bmEP4 + bmEP5 + bmEP6 + bmEP7;
    IN07IEN |= bmEP1 + bmEP2 + bmEP3 + bmEP4 + bmEP5 + bmEP6 + bmEP7;

    suspCount = 1;      
    Rwuen = TRUE;	
    
    PORTCCFG = 0x40;    
    OEC = 0x30 ;        

    OUTC = 0x10;  
    OUTC = 0x10;  
    OUTC = 0x10;  
}

void TD_Poll(void)
{
                  
}

BOOL TD_Suspend(void) 	    
{                             
   PORTCCFG = 0x40; 
   OEC = 0x30 ;             

   return(TRUE);
}      

BOOL TD_Resume(void) 	
{
	return(TRUE);       
}
BOOL DR_GetDescriptor(void) 
{	
	return(TRUE);       
}
BOOL DR_GetInterface(void) 
{
	IN0BUF[0] = AlternateSetting;
	EZUSB_SET_EP_BYTES(IN0BUF_ID,1);
	return(TRUE);	
}
BOOL DR_SetInterface(void) 
{
	AlternateSetting = SETUPDAT[2];
	return(TRUE);	
}
BOOL DR_GetConfiguration(void)	 
{
	IN0BUF[0] = Configuration;
	EZUSB_SET_EP_BYTES(IN0BUF_ID,1);
	return(TRUE);		
}
BOOL DR_SetConfiguration(void)	 
{
	Configuration = SETUPDAT[2];
	return(TRUE);		
}

BOOL DR_GetStatus(void)          
{
	return(TRUE);            
}
BOOL DR_ClearFeature(void)       
{
	return(TRUE);            
}

BOOL DR_SetFeature(void)         
{
	return(TRUE);            
}

BOOL DR_VendorCmnd(void)
{
   if (SETUPDAT[1] == 0xB0)
   {
      EZUSB_UNARM_EP(EPID(SETUPDAT[4]));

      return(FALSE);
   }

   return(TRUE);
}

void ISR_Sudav(void) interrupt USB_VECT
{
	GotSUD = TRUE;	

	EZUSB_IRQ_CLEAR();
	USBIRQ = bmSUDAV;
}

void ISR_Sutok(void) interrupt USB_VECT
{
	EPIO[OUT0BUF_ID].cntrl = 0;

	EZUSB_IRQ_CLEAR();
	USBIRQ = bmSUTOK;	
}

void ISR_Sof(void) interrupt USB_VECT
{
	EZUSB_IRQ_CLEAR();
	USBIRQ = bmSOF;	
}

void ISR_Ures(void) interrupt USB_VECT
{
        EPIO[OUT1BUF_ID].bytes = 0;
        EPIO[OUT2BUF_ID].bytes = 0;
        EPIO[OUT3BUF_ID].bytes = 0;
        EPIO[OUT4BUF_ID].bytes = 0;
        EPIO[OUT5BUF_ID].bytes = 0;
        EPIO[OUT6BUF_ID].bytes = 0;
        EPIO[OUT7BUF_ID].bytes = 0;

	EZUSB_IRQ_CLEAR();
	USBIRQ = bmURES;
}

void ISR_Spare(void) interrupt USB_VECT
{

}

void ISR_Susp(void) interrupt USB_VECT
{
   if (suspCount)
   {
           suspCount--;
   }
   else
   {
	   Sleep = TRUE;
   }
	   EZUSB_IRQ_CLEAR();
	   USBIRQ = bmSUSP;
}

void ISR_Ep0in(void) interrupt USB_VECT
{
}

void ISR_Ep0out(void) interrupt USB_VECT
{
}

void ISR_Ep1in(void) interrupt USB_VECT
{
}
void ISR_Ep1out(void) interrupt USB_VECT
{
}

void ISR_Ep2in(void) interrupt USB_VECT
{
}

void ISR_Ep2out(void) interrupt USB_VECT
{
}

void ISR_Ep3in(void) interrupt USB_VECT
{  
}

void ISR_Ep3out(void) interrupt USB_VECT
{
  if (OUT3BUF[0]==0x55)       
  {
      OUTC =(PINSC)&0xEF; 
      OUTC =(PINSC)&0xEF; 
      OUTC =(PINSC)&0xEF; 
      
      OUTC =(PINSC)|0x20; 
      OUTC =(PINSC)|0x20; 
      OUTC =(PINSC)|0x20; 
  }

  OUT3BC = 0;

  EZUSB_IRQ_CLEAR();
  OUT07IRQ = bmEP3;
}

void ISR_Ep4in(void) interrupt USB_VECT
{
}

void ISR_Ep4out(void) interrupt USB_VECT
{
    if(OUT4BUF[0]==0xAA)
    {
        OUTC =(PINSC)|0x10;
        OUTC =(PINSC)|0x10;
        OUTC =(PINSC)|0x10;

        OUTC = (PINSC)&0xDF; 
        OUTC = (PINSC)&0xDF; 
        OUTC = (PINSC)&0xDF; 
        OUTC = (PINSC)&0xDF; 
    }

   OUT4BC = 0;   

   EZUSB_IRQ_CLEAR();
   OUT07IRQ = bmEP4;
}

void ISR_Ep5in(void) interrupt USB_VECT
{
}

void ISR_Ep5out(void) interrupt USB_VECT
{
   int i;
   for (i=0;i<64;i++)
   {
      DA0832=OUT5BUF[i];
   }     

   OUT5BC = 0;


   EZUSB_IRQ_CLEAR();
   OUT07IRQ = bmEP5;
}

void ISR_Ep6in(void) interrupt USB_VECT
{
}

void ISR_Ep6out(void) interrupt USB_VECT
{
}

void ISR_Ep7in(void) interrupt USB_VECT
{
}

void ISR_Ep7out(void) interrupt USB_VECT
{
}