www.pudn.com > h2410系列usb驱动.zip > usbmain.c

/**************************************************************** 
 NAME: usbmain.c 
 DESC: endpoint interrupt handler 
       USB init jobs 
 HISTORY: 
 Mar.25.2002:purnnamu: ported for S3C2410X. 
 Mar.27.2002:purnnamu: DMA is enabled. 
 ****************************************************************/ 
#include  
#include  
#include "option.h" 
#include "2410addr.h" 
#include "2410lib.h" 
#include "def.h" 
 
#include "2410usb.h" 
#include "usbmain.h" 
#include "usblib.h" 
#include "usbsetup.h" 
#include "usbout.h" 
#include "usbin.h" 
 
/************************** 
    Some PrepareEp1Fifo() should be deleted 
 **************************/    
 
void UsbdMain(void) 
{ 
    int i; 
    U8 tmp1; 
    U8 oldTmp1=0xff; 
     
    //ChangeUPllValue(0x48,0x3,0x2);  //UCLK=48Mhz      
    //ChangeUPllValue(40,1,2);  //UCLK=48Mhz  setting in init.s 
    InitDescriptorTable(); 
    //ResetUsbd(); 
     
    ConfigUsbd();  
 
    //DetectVbus(); //not used in S3C2400X 
 
    PrepareEp1Fifo();  
#if 0     
    while(1) 
    { 
    	if(DbgPrintfLoop())continue; 
    	 
    	Delay(5000); 
    	if((i++%2)==0)Led_Display(0x8); 
    	else Led_Display(0x0); 
    } 
#endif     
} 
 
 
void __irq IsrUsbd(void) 
{ 
    U8 usbdIntpnd,epIntpnd; 
    U8 saveIndexReg=rINDEX_REG; 
    usbdIntpnd=rUSB_INT_REG; 
    epIntpnd=rEP_INT_REG; 
    //DbgPrintf( "[INT:EP_I=%x,USBI=%x]",epIntpnd,usbIntpnd ); 
 
    if(usbdIntpnd&SUSPEND_INT) 
    { 
    	rUSB_INT_REG=SUSPEND_INT; 
    	DbgPrintf( "