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/*---------------------------------------------------------------------------------------------------------*/
/*                                                                                                         */
/* Copyright(c) 2016 Nuvoton Technology Corp. All rights reserved.                                         */
/*                                                                                                         */
/*---------------------------------------------------------------------------------------------------------*/

//***********************************************************************************************************
//  Nuvoton Technoledge Corp. 
//  Website: http://www.nuvoton.com
//  E-Mail : MicroC-8bit@nuvoton.com
//  Date   : Apr/21/2016
//***********************************************************************************************************

#define set_WIDPD BIT_TMP=EA;EA=0;TA=0xAA;TA=0x55;WDCON|=SET_BIT4;EA=BIT_TMP;

//***********************************************************************************************************
//  File Function: N76E003 Watch Dog as pure timer with interrupt demo code
//***********************************************************************************************************

#include "N76E003.h"
#include "Common.h"
#include "Delay.h"
#include "SFR_Macro.h"
#include "Function_define.h"


/************************************************************************************************************
*    WDT interrupt sub-routine
************************************************************************************************************/
void WDT_ISR (void)   interrupt 10
{

                    //---------toggle GPIO1---------    
                        clr_GPIO1;
                        Timer0_Delay1ms(50);
                        set_GPIO1;
                        Timer0_Delay1ms(50);
                        clr_GPIO1;
                        Timer0_Delay1ms(50);
                        set_GPIO1;
                        Timer0_Delay1ms(50);
                    //---------end toggle GPIO2--------
        clr_WDTF;
        set_WDCLR;
}

/************************************************************************************************************
*    Main function 
************************************************************************************************************/
void main (void)
{
/* Note
  WDT timer base is LIRC 10Khz
*/
    
  Set_All_GPIO_Quasi_Mode;
    
                        clr_GPIO1;
                        Timer0_Delay1ms(500);
                        set_GPIO1;
                        Timer0_Delay1ms(500);
                        clr_GPIO1;
                        Timer0_Delay1ms(500);
                        set_GPIO1;
                        Timer0_Delay1ms(500);
    
//WDT init
//--------------------------------------------------------
//Warning:
//Pleaes always check CONFIG WDT disable first 
//only when WDT reset disable, WDT use as pure timer
//--------------------------------------------------------
      TA=0xAA;TA=0x55;WDCON=0x07;          //Setting WDT prescale 
        set_WDTR;                       //WDT run
        set_WDCLR;                                            //Clear WDT timer
        set_EWDT;
        EA =1;

#if 0
    while(1);
#else
        set_WIDPD;                                             //WDT run in POWER DOWM mode setting if needed
        while (1)
        {
            set_PD;
                    //---------toggle GPIO1---------    
                        clr_P04;
                        Timer1_Delay10ms(5);
                        set_P04;
                        Timer1_Delay10ms(5);
                        clr_P04;
                        Timer1_Delay10ms(5);
                        set_P04;
                        Timer1_Delay10ms(5);
                    //---------end toggle GPIO1---------
        }
#endif
}