//***********************************************************************
// *
// P H I L I P S P R O P R I E T A R Y *
// *
// COPYRIGHT (c) 1999 BY PHILIPS SINGAPORE (APIC). *
// -- ALL RIGHTS RESERVED -- *
// *
// File Name : Kernel.c *
// Author : Albert Goh *
// Created : 3 March 2000 *
// *
//***********************************************************************
//***********************************************************************
// *
// Kernel.c is the control centre for this evaluation firmware. It will *
// control where should the firmware branch through via the selection *
// of the UART port of the 8051. if not via the UART, it will be from *
// the selection of the code defintion *
// *
//***********************************************************************
//***********************************************************************
// *
// Module History *
// ************** *
// *
// Date Version Author Changes *
// ==== ======= ====== ======= *
// 030300 0.1 Albert Created *
// *
// *
//***********************************************************************
//***********************************************************************
//* *
//* Include Files Definition *
//* *
//***********************************************************************
#include "standard.h"
#include "Kernel.h"
#include "D14.h"
extern KERNEL Kernel_Flag;
extern D14_CNTRL_REG xdata *D14_Cntrl_Ptr;
extern volatile D14_CNTRL_REG xdata D14_Cntrl_Reg;
extern DMA_INT_FLAG DMA_Int_Flag;
extern USB_INT_FLAG USB_Int_Flag;
extern void Init_D14(void);
extern UC ATAPI_State;
extern DRIVE_CONFIG Drive_Setup;
extern void Set_USB(void);
extern ULI bytecount;
extern UI PIO_Count;
//***********************************************************************
//* *
//* Variable Definition *
//* *
//***********************************************************************
UI idata Data;
ULI USB_Interrupt;
UI DMA_Interrupt;
UC timecouter=0;
//***********************************************************************
//* *
//* Routine Definition *
//* *
//***********************************************************************
void Int_2(void) interrupt 2 using 0
{
}
void Int_3(void) interrupt 3 using 0
{
TH1=60;
TL1=80;
timecouter++;
}
void Int_4(void) interrupt 4 using 0
{
}
void Int_5(void) interrupt 5 using 0
{
}
//***********************************************************************
//* *
//* Routine : Int_Timer0 *
//* Input : Timer 0 overflow *
//* Output : Set time up flag *
//* Function : To set the time up flag *
//* *
//***********************************************************************
void Int_Timer0(void) interrupt 1 using 0
{
Kernel_Flag.BITS.Timer_Expired = 1;
}
//***********************************************************************
//* *
//* Routine : Int Ext 0 *
//* Input : External Interrupt from ISP1581 *
//* Output : None *
//* Function : To read and keep a copy of the interrupt source of *
//* ISP1581 *
//***********************************************************************
void Int_Ext_0(void) interrupt 0 using 1
{
//read in USB interrupt register and keep a copy
// USB_Interrupt = D14_Cntrl_Reg.D14_INT.VALUE;
// USB_Int_Flag.VALUE |= USB_Interrupt;
//读取ISP1581中断寄存器
USB_Int_Flag.VALUE |= D14_Cntrl_Reg.D14_INT.VALUE;
//回写ISP1581中断寄存器
D14_Cntrl_Reg.D14_INT.VALUE = USB_Int_Flag.VALUE;
// if (USB_Int_Flag.BITS.EP1RX)
// USB_Int_Flag.BITS.EP1RX = 0;
//总线复位处理
if(USB_Int_Flag.BITS.RESET)
{
//清除总线复位中断位
USB_Int_Flag.BITS.RESET = 0;
//设置总线复位标志
Kernel_Flag.BITS.Bus_Reset = 1;
PIO_Count = 64;
//切换到全速模式
HS_FS_LED = FULL_SPEED_LED;
Kernel_Flag.BITS.HS_FS_State = FULL_SPEED;
//初始化ISP1581
Init_D14();
//设置softconnect
D14_Cntrl_Reg.D14_MODE.BITS.SOFTCT = 1;
}
}
