hcisr.c

此為philip 1362 USB DOS下的驅動程式包, 已經共測試並內含有說明文件

/*
   //*************************************************************************
   //
   //                  P H I L I P S   P R O P R I E T A R Y
   //
   //           COPYRIGHT (c)   2000 BY PHILIPS SINGAPORE.
   //                     --  ALL RIGHTS RESERVED  --
   //
   // File Name:	HcISR.C
   // Author:		ZhenYu Zhang
   // Created:		Feb. 1, 1999
   // Modified:		May 24, 2002 by Zhongwei Wang
   // Revision:		1.0
   //
   //*************************************************************************
   //
   //*************************************************************************
   // Implementation Notes,
   //   ISR hierachy
   //       usb_isr()
   //
*/
#include <stdio.h>
#include <string.h>
#include <dos.h>

#include "BasicTyp.h"
#include "common.h"
#include "SysCnfg.h"


#include "HAL4Sys.h"
#include "HAL4ISA.h"
#include "HAL4IKit.h"
#include "HAL4D13.h"
#include "HAL4HC.h"

#include "HcISR.h"
#include "PHC_Reg.h"

//*************************************************************************
//  Public static data
//*************************************************************************

extern bIRQL;
extern USHORT  IRQ4HC_CHNNL;

//*************************************************************************
//  ISR Subroutine
//*************************************************************************

void interrupt ISR_4HC(void)
{
	bIRQL = 1;

	fn_SHC_isr();

	if (IRQ4HC_CHNNL >= 0x08)
	{
		outportb(0xA0, 0x20);
		outportb(0x20, 0x20);
	}
	else
		outportb(0x20, 0x20);

	bIRQL = 0;
}

void fn_SHC_isr(void)
{

	USHORT 	wTemp;

	wTemp = Hal4Hc_RegInW(REG_IRQ);
//	printf("HC: IRQ status reg = 0x%x\n",wTemp);
/*	if(wTemp & 0x40)
	{
		Hal4Hc_RegOutW(REG_IRQ, 0x40);
		printf("HC: Interrupt: HC ClkReady! \n");
		wakeup_hc_on_otgint();
//		Hal4Hc_RegOutW(REG_IRQ, 0x40);		//clear interrupt
	}*/
	if(wTemp & 0x200)
	{
//		printf("OTG port: Serving OTG interrupt \n");
		fn_OTG_isr();
	}
		Hal4Hc_RegOutW(REG_IRQ, 0x3ff);      //clear interrupt

}