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[導(dǎo)讀]定義這樣的結(jié)構(gòu): typedef struct { uchar DC0_ALA:1; //電源0告警 uchar DC1_ALA:1; //電源1告警 uchar AC_ALA:1; //停電告警 uchar UN_H_ALA:1; //同頻信道機(jī)失鎖告警 uchar UN_L_ALA:1; //異頻信道機(jī)失鎖告警 uch

定義這樣的結(jié)構(gòu):

typedef struct
{
uchar DC0_ALA:1; //電源0告警
uchar DC1_ALA:1; //電源1告警
uchar AC_ALA:1; //停電告警
uchar UN_H_ALA:1; //同頻信道機(jī)失鎖告警
uchar UN_L_ALA:1; //異頻信道機(jī)失鎖告警
uchar FAR_ALA:1; //遠(yuǎn)端通訊故障告警
uchar OPEN_ALA:1; //門襟告警
uchar x:1;
}ALARM;//系統(tǒng)告警結(jié)構(gòu)定義
定義變量并初始化:

idata ALARM old_alarm={0,0,0,0,0,0,0,0};

在main()函數(shù)中這樣應(yīng)用位域:

if(old_alarm.DC0_ALA!=TDZ_GET.alarm.DC0_ALA||old_alarm.DC1_ALA!=TDZ_GET.alarm.DC1_ALA||old_alarm.AC_ALA!=TDZ_GET.alarm.AC_ALA||old_alarm.UN_H_ALA!=TDZ_GET.alarm.UN_H_ALA||old_alarm.UN_L_ALA!=TDZ_GET.alarm.UN_L_ALA||old_alarm.FAR_ALA!=TDZ_GET.alarm.FAR_ALA||old_alarm.OPEN_ALA!=TDZ_GET.alarm.OPEN_ALA)
{
old_alarm.DC0_ALA=TDZ_GET.alarm.DC0_ALA;
old_alarm.DC1_ALA=TDZ_GET.alarm.DC1_ALA;
old_alarm.AC_ALA=TDZ_GET.alarm.AC_ALA;
old_alarm.UN_H_ALA=TDZ_GET.alarm.UN_H_ALA;
old_alarm.UN_L_ALA=TDZ_GET.alarm.UN_L_ALA;
old_alarm.FAR_ALA=TDZ_GET.alarm.FAR_ALA;
old_alarm.OPEN_ALA=TDZ_GET.alarm.OPEN_ALA;
ala=0;//確定告警條件
}


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