hal_set_rfif.s51

来自「zigbee location examples」· S51 代码 · 共 30 行

#include "iocc2430.h"

                MODULE  set_rfif.a51

                RSEG    RCODE
                PUBLIC  SET_RFIF;
                FUNCTION SET_RFIF, 0203H

                ; Interrupts need to be turned off during this operation
                ; The old state of EA is saved in R2
SET_RFIF:       MOV     R2, #01H;
                JBC     EA, intsTurnedOff;
                MOV     R2, #00H;
intsTurnedOff:
                ; Update RFIF
                MOV     RFIF, R1;

                ; Bugfix
                MOV     A, RFIM;
                ANL     A, RFIF;
                JZ      done;
                MOV     S1CON, #03H;

done:           ; Put EA back into the old state
                MOV     A, R2;
                MOV     C, ACC^0;
                MOV     EA, C;
                RET;

                END;