?? util_critical_section.s51
字號:
/******************************************************************************
* *
* ********** *
* ************ *
* *** *** *
* *** ++ *** *
* *** + + *** CHIPCON *
* *** + *
* *** + + *** *
* *** ++ *** *
* *** *** *
* ************ *
* ********** *
* *
*******************************************************************************
Filename: flashWritePage.s51
Target: cc2511
Author: JOL
Revised: 24/03-2006
Revision: 1.0
******************************************************************************/
;;-----------------------------------------------------------------------------
;; See hal.h for a description of this function.
;;-----------------------------------------------------------------------------
#include "ioCC2511.h"
MODULE util_critical_section.s51
RSEG RCODE
PUBLIC utilEnterCriticalSection;
FUNCTION utilEnterCriticalSection, 0203H
; Turn off global interrupts and return the previous state of EA
utilEnterCriticalSection:
MOV A, #01H;
JBC EA, intsTurnedOff;
MOV A, #00H;
intsTurnedOff: MOV R1, A;
RET;
PUBLIC utilLeaveCriticalSection;
FUNCTION utilLeaveCriticalSection, 0203H
; Restore the previous EA state from the value provided in the function parameter
utilLeaveCriticalSection:
MOV A, R1;
MOV C, ACC^0;
MOV EA, C;
RET;
END;
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