feeddog.c

有线电视系统前端设备复用器原代码。 用语接受卫星信号

/*------------------------------------------------------------------------------*/
/* Project Name: Multiplexer of MPEG-II                                         */
/* Module  Name: Alarm & Status detect                                          */
/* Purpose     :                                                                */
/* Author      : LingYiChuan                                                    */
/* Date        : 2000/9/20                                                      */
/* Version     : 1.0                                                            */
/* Copyright HignSun Dvision, All Right Reservered.                             */
/*------------------------------------------------------------------------------*/

#include <icontrol\mpc8xx.h>
#include "constant.h"
#include "structure.h"
#include "command.h"
#include "tspack.h"
extern void my_Delay(unsigned long int dly_ms);
extern System_Data SystemData;
extern unsigned long MemCount;

extern unsigned char Connected;
extern unsigned char Has_Report_Device_Type;



extern void Display( const char *fmt, ... );

void RunLed(int H)
{

#if SC_SD_DEBUG_MODE==DBG_AP
	 if(H)
		 M_PortBDataReg&=0xFFFFFFDF;  
	 else
		 M_PortBDataReg|=0x00000020;  
#endif

}

void Feed(void)
{
	WATCHDOG_REG=0xFF;
}

/*喂狗任务*/
void TK_Feed(void)
{
     static unsigned char LED_State=0;
       for(;;)
	{

		if(LED_State)
			RunLed(1);
		else
			RunLed(0);

		LED_State=!LED_State;

		Feed();

		/*Display(" Memcounter is %d, Connected=%d, HasReportDeviceType=%d \n",MemCount,Connected,Has_Report_Device_Type);*/

		my_Delay(500);/*by xu*/
	}

}

/*--------------------------------------------------------------------------*/
/* delete the feed dog task and rest system                                 */
/*--------------------------------------------------------------------------*/	
void SystemReset(void)
{	
	unsigned long tid;

#if SC_SD_DEBUG_MODE==DBG_AP

	/*---------------------------------------------------------------------*/
	/* 保存强制复位状态                                                    */
	/*---------------------------------------------------------------------*/
	SystemData.ResetState.MPC860_State=STATE_SELFRESET;
	SystemData.ResetState.C54_State   =STATE_SELFRESET;
	SystemData.ResetState.FPGA_State  =STATE_SELFRESET;
	SystemData.ResetState.Panel_State =STATE_SELFRESET;

	SaveSystemData();

	/*---------------------------------------------------------------------*/
	/* 挂起喂狗任务,使系统复位                                             */
	/*---------------------------------------------------------------------*/
	while(t_ident(TN_FEEDDOG,0,&tid));

	t_suspend(tid);

#endif
}

/*--------------------------------------------------------------------------*/
/* delete the feed dog task and rest system                                 */
/*--------------------------------------------------------------------------*/	
void SystemResetWithoutSave(void)
{	
	unsigned long tid;

#if SC_SD_DEBUG_MODE==DBG_AP

	/*---------------------------------------------------------------------*/
	/* 保存强制复位状态                                                    */
	/*---------------------------------------------------------------------*/
	SystemData.ResetState.MPC860_State=STATE_SELFRESET;
	SystemData.ResetState.C54_State   =STATE_SELFRESET;
	SystemData.ResetState.FPGA_State  =STATE_SELFRESET;
	SystemData.ResetState.Panel_State =STATE_SELFRESET;

	/*---------------------------------------------------------------------*/
	/* 挂起喂狗任务,使系统复位                                             */
	/*---------------------------------------------------------------------*/
	while(t_ident(TN_FEEDDOG,0,&tid));

	t_suspend(tid);

#endif
}