main.c

关于与计算机超级终端通讯的小程序.(RS232)

///
#include  "mb90540.h"
///

unsigned char run_time;
 unsigned char	rtu_stat;
//unsigned int delay_time1;
//unsigned char r_mark=0;
unsigned char com_int_tmout[4]={0,0,0,0};//add 03--2--8
unsigned char init_flag[4]={0,0,0,0};

void yx_fm_init(void)
{
    IO_WORD i;
    IO_BYTE k,l;

    for (l=0;l<32;l++)
    {
        for (k=0;k<64;k++)
        {
            yx_fm1_cs(l,k)=0xaa55;
        }
    }
    i=0;
    while ((yx_fm_para1(i)!=0xff)&&(i<512))
    {
        k=(yx_fm_para1(i)&0x1f)-1;
        l=yx_fm_para1(i+1)&0x3f;
        yx_fm1_cs(k,l)=i/2;
        i+=2;
    }
}
void initpro(void)
{
    DDR4 = 0xc7;	// define Port4 as output
    PDR4 = 0x00;
    ADER=0;
    DDR6=0XFF;
    DDR6_D64=1;
    PDR6_P64=1;
    DDR9=0xff;
    PDR9=0xff;
    DDR5_D52=1;
    PDR5_P52=0;
    DDR5_D51=1;//03-01-12
    PDR5_P51=1;

    ELVR=0X28;  //GAO DIAN PING INT1:0x28
    EIRR=0X00;  //INT1 FLAG
    ENIR=0X06;  //INT2 INTERRUPT ENBLE:TXD3,TXD4;0X04:0x06
    		    //INT1 :TXD1,TXD2;0X02
                // ICR14 = 3;
}

void run_led (void)
{
    if (run_time>100)
    {
        PDR6_P64=~PDR6_P64;
        run_time=0;
    }
}

void main (void)
{
    __DI();
    initpro();
    if (sys_markst!=0x33cc55aa)
    {
        sys_markst=0x33cc55aa;
        run_mark=0x01;
        run_time1=0;
        power_count=0x04;
        rtu_stat=0x03;
    }
    else   
    {
    	power_count=0;
    	ICR02=6;
    	ICR04=6;
    }
    initUart1();
    initSIO2();
    eep_init();
    read_eeprom();
    yx_fm_init();
    InitCan0_mck();
    InitCan1_ml();
    inituart0();
    PDR5_P51=0;//03-1-12
    __wait_nop();
    __wait_nop();
    PDR5_P51=1;
//    if(power_count!=0)
  //   init_sc1801();
    cdt_cl_num();
    cdt_f_cl();
    cdt_cl_num0();    // 修改于03.02.27
    cdt_f_cl0();
    cdt_cl_num2();
    cdt_f_cl2();

    yksm_init();
    InitReloadTimer();
    InitIrqLevels();
    WTC=0x03;//0X06;  03-1-12
    WDTC=0x00;//0x03;
    __set_il(7);		// set ILM to 7,
    __EI();             		// allow all interrupt levels
    can1_tx_init();	//GSM 初始化
    //can0_tx_time();
    cl_ad1();
    cl_ad1();
    cl_enabletxd();

    while(1)
    {
       /*if ((run_mark_a1==1)&&(run_mark_a0==0))
        {
            __DI();
            run_mark_a1=0;
            init_com0();       
   	    init_com1();
   	    ICR02=6;
   	    init_com2();
            ICR04=6;
   	    __EI();
        }*/
        run_led();
        can0_cl();
//        WDTC_WTE=0;
        can1_cl();
        sjcl();
        WDTC_WTE=0;
    //    sc1801_cl();
        uart0_cl();
        uart1_rxcl();
        WDTC_WTE=0;
        write_eeprom();
        cdt_cl();
        cdt_cl0();   //修改于03.02.27
	cdt_cl2();
        yksm();
       // cdt_start_send2();
	/*if(init_flag[0]==1)
	{
	  init_flag[0]=0;
	  __DI();
	  init_com0();
	  ICR02=6;
	  __EI();
        }
	if(init_flag[1]==1)
	{
	  init_flag[1]=0;
	  __DI();
	  init_com1();
	  ICR02=6;
	  __EI();
	}
        if(init_flag[2]==1)
	{
	  init_flag[2]=0;
	  __DI();
          init_com2();
	  ICR04=6;
	  __EI();
	}*/
    }
}