N76E003_24L01/Home_Light_V0.1/Code/User/Driver/wdog.c

/*---------------------------------------------------------------------------------------------------------*/
/*                                                                                                         */
/* Copyright(c) 2017 Nuvoton Technology Corp. All rights reserved.                                         */
/*                                                                                                         */
/*---------------------------------------------------------------------------------------------------------*/

//***********************************************************************************************************
//  Nuvoton Technoledge Corp.
//  Website: http://www.nuvoton.com
//  E-Mail : [email protected]
//  Date   : Apr/21/2017
//***********************************************************************************************************

//***********************************************************************************************************
//  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;
    Timer2_Delay500us ( 5 );
    set_GPIO1;
    Timer2_Delay500us ( 5 );
    clr_GPIO1;
    Timer2_Delay500us ( 5 );
    set_GPIO1;
    Timer2_Delay500us ( 5 );
    //---------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
}