init.c

一整套电梯控制器源程序

#include "public.h"

void init(void)
{
    P2_0=1;
    P2_1=1;
    P2_2=1;
    P2_3=1;
    P2_5=1;
    P2_6=1;
    P3=0xFF;
	

    P2_4=!P2_4;     //sja1000片选选中   //LHM QUESTION: 是否应该是P2_4=0更好一些
    PA377=0xff;
    PB377=0xff;
    PC377=0xff;
    PD377=0x00;
    PE377=0x00;
//    PF377=0xff;
    PF377=0x00;

    //定时器初始化(定时器0，16位定时器，50ms定时)
    TMOD=0x01;
    TH0=-50000/256; //12M晶振
    TL0=-50000%256; //12M晶振
    IP=0x08;        //LHM QUESTION : 设置T1最高优先级，为什么? 用了T0,并没用T1啊
    EA=1;
    ET0=1;          //T0开中断
    TR0=1;          //启动计数

}
void init_data(void)
{
    m_cSrcDirect=0xFF;          //方向行缓冲区
    m_cSrcFloorHigh=0xFF;       //楼层高字符缓冲区
    m_cSrcFloorLow=0xFF;        //楼层低字符缓冲区
    m_cLineIdx=0;               //行索引(自上而下0-14)

    m_RecData.cCurFloor=0xFF;         //保证新楼层的接收
    m_RecData.cDirect=0xFF;
    m_RecData.cMaxFloor=1;

    m_cFuncCnt=0;
    m_cFuncTimer=TIMER_FUNC_NUM;
    m_cSettingFuncFlg=0;
    m_cNewFuncFlg=0;

    m_cSubFuncCnt=0;                  //各功能计数(F0:1-8 F1:1-48 F2:1-3 F3:0/1 F4:0/1)
    m_cSubFuncTimer=TIMER_SUBFUNC_NUM;//功能切换计数器(每500毫秒切换一次)
    m_cSettingSubFuncFlg=0;
    m_cNewSubFuncFlg=0;

    m_cSubToParTimer=TIMER_SUBTOPAR_NUM; //
    m_cSubToParLess2sFlg=0;			  //2004.08.31	14:25 LHM 

	m_cWholeMoveOKFlg=0;	
	m_cMoveCnt=0;        
	m_cMoveTimer=TIMER_ONELINE_NUM;
	m_cNewLineFlg=0;

	m_set5045flg=0;

    time_nocan_count=TIMER_NOCANDATA_NUM; //无CAN数据计数(若200ms没有CAN数据则认为应该复位CAN)
    time_nocan_flg=0;                     //无CAN数据标志
    time_nocan200ms_flg=0;                //无CAN数据计时到标志

    time_report_count=TIMER_REPORT_NUM;   //报站计数
    time_report_flg=0;                    //报站标志
    time_report2s_flg=0;                  //报站计时到标志
    m_cReportIdx=1;
    //六状态
    m_cFireFlg=0;
    m_cRepairFlg=0;
    m_cLockFlg=0;
    m_cLockDarkFlg=0;
    m_cOverloadFlg=0;       //lhm for debug
    m_cReportFlg=0;
    m_cReportingFlg=0;      //2005.03.01

	m_cReportData=0xFF;
}