rtc_wdt.asm

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;******************************************************************************
;   Code for application report - "Real Time Clock Library"
;******************************************************************************
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;******************************************************************************
;   RTC Library
;
;   Description; Sets up the watch dog timer for 1 second interrupts and
;                ticks one second in the ISR
;
;   Note:        This code assumes 32.768kHz XTAL on LFXT1
;
;   L. Westlund
;   Version    1.1
;   Texas Instruments, Inc
;   January 2005
;   Built with Code Composer Essentials Version: 1.0
;******************************************************************************
;Change log
;
;1.0 - Inital version - L.Westlund
;******************************************************************************
 .cdecls C,LIST,    "msp430x14x.h"
            .ref  incrementSeconds
            .def  WDT_1sec_wake

            .text
WDT_1sec_wake
            mov.w   #WDT_ADLY_1000, &WDTCTL ; WDT 1 second interrupt
            bis.b   #WDTIE,&IE1             ; Enable WDT interrupt
            bis.b   #GIE,  SR
            ret
;-----------------------------------------------------------------------------
WDT_ISR;
;-----------------------------------------------------------------------------
            call    #incrementSeconds       ; tick one second
            reti                            ;		
                                            ;

;-----------------------------------------------------------------------------
;           Interrupt Vectors Used MSP430x13x/14x/15x/16x
;-----------------------------------------------------------------------------
            .sect   ".int10"                ; WDT Vector
            .short  WDT_ISR                  ;
            .end