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;
extern BOOL	RECINT0;

BYTE	Configuration;	
BYTE	AlternateSetting;	
BYTE    suspCount;

int    ByteCount0;

void TD_Init(void) 		
{
    USBIEN |= bmSOF + bmURES;    

    OUTISOVAL = bmEP8 + bmEP9 + bmEP10 + bmEP11 + bmEP12 + bmEP13 + bmEP14 + bmEP15;

    INISOVAL = bmEP8 + bmEP9 + bmEP10 + bmEP11 + bmEP12 + bmEP13 + bmEP14 + bmEP15;
    
    OUT8ADDR = 0x00;
    OUT9ADDR = 0x20;
    OUT10ADDR = 0x40;
    IN8ADDR = 0x60;
    IN9ADDR = 0x80;
    IN10ADDR = 0x100;

    suspCount = 1;   
    Rwuen = TRUE;	

    RECINT0=FALSE;
    ByteCount0=0;

    PORTCCFG = 0x0C;    
    PORTACFG = 0xFF;    
    OEC = 0x33;         
    OEA = 0xFF;

    OUTC =(PINSC)&0xFC;        
    OUTC =(PINSC)&0xFC;        
    OUTC =(PINSC)&0xFC;        
    OUTC =(PINSC)&0xFC;        
    OUTC =(PINSC)|0x02;       
    OUTC =(PINSC)|0x02;       
    OUTC =(PINSC)|0x02;       
    OUTC =(PINSC)|0x02;       

    OUTC =(PINSC)|0x10;        
    OUTC =(PINSC)|0x10;        
    OUTC =(PINSC)|0x10;        
    OUTC =(PINSC)|0x10;        

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

void TD_Poll(void) 		
{
                                
}

BOOL TD_Suspend(void) 	      	
{                             
    PORTCCFG = 0x0C;        
    OEC = 0x33 ;            

   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)
{
        return(FALSE);
}

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
{
   register BYTE zbcout = ZBCOUT;
   register int i;

   if (!(zbcout & bmEP8))
   {
       if (OUT8DATA==0x1A)       
       {
        OUTC =(PINSC)&0xFC;    
        OUTC =(PINSC)&0xFC;    
        OUTC =(PINSC)&0xFC;    
        OUTC =(PINSC)&0xFC;    

        OUTC =(PINSC)|0x22;    
        OUTC =(PINSC)|0x22;    
        OUTC =(PINSC)|0x22;    
        OUTC =(PINSC)|0x22;    

        TMOD=0x02;             
        TL0=0x7D;              
        TH0=0x7D;              
 
        TR0=1;       
       }
   }

   if (!(zbcout & bmEP9))
   {
       if(OUT9DATA==0x2B)
       {
        TR0=0;       

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

   if(RECINT0==TRUE) 
   {         
        FASTXFR = 0x80;

        for (i=0; i < 4; i++)    
        {
              IN10DATA = ACC;
              IN10DATA = ACC;
              IN10DATA = ACC;
              IN10DATA = ACC;
              IN10DATA = ACC;
              IN10DATA = ACC;
              IN10DATA = ACC;
              IN10DATA = ACC;
        }
        FASTXFR = 0x0;
        ByteCount0=ByteCount0+32;
        
        if(ByteCount0>=512)
        {
              RECINT0=FALSE;
              ByteCount0=0;         
        } 
   }
	
   EZUSB_IRQ_CLEAR();
   USBIRQ = bmSOF;		
}

void ISR_Ures(void) interrupt USB_VECT
{
	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
{
}

void ISR_Ep4in(void) interrupt USB_VECT
{
}

void ISR_Ep4out(void) interrupt USB_VECT
{
}

void ISR_Ep5in(void) interrupt USB_VECT
{
}

void ISR_Ep5out(void) interrupt USB_VECT
{
}

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
{
}