comsub.c

Avr Atmeg128汽车行驶记录仪 带有USB驱动 c语言

#include "comsub.h"
#include "common.h"
#include "fm1808.h"

const prog_uint16_t  yearday[200]  = {366,365,365,365,366,365,365,365,366,365,365,365,366,365,365,365,366,365,365,365,366,365,365,365,366,   //2000-2024年
                                      365,365,365,366,365,365,365,366,365,365,365,366,365,365,365,366,365,365,365,366,365,365,365,366,365,   //2025-2049年
                                      365,365,366,365,365,365,366,365,365,365,366,365,365,365,366,365,365,365,366,365,365,365,366,365,365,   //2050-2074年
                                      365,366,365,365,365,366,365,365,365,366,365,365,365,366,365,365,365,366,365,365,365,366,365,365,365};  //2075-2099年

//---非闰年各月份天数表(1～12月,数组0空置)
const prog_char monthday[13]     = {0,31,28,31,30,31,30,31,31,30,31,30,31};
const prog_char runmonthday[13]  = {0,31,29,31,30,31,30,31,31,30,31,30,31};

void test(void)
{uchar i;
 send_data1();
 for(i=0;i<20;i++)
   Putc(i);
 
}

void Get_time(void)
{uchar i,temp=0x55;
 Send0[0]=13;
 Send0[1]=0x55;
 Send0[2]=0x7a;
 Send0[3]=0x02;
 Send0[4]=0x00;
 Send0[5]=0x06;
 Send0[6]=0x00;
 CLOCK_RTIME();
 for(i=7;i<13;i++)
   {Send0[i]=SYS_Time[i-7];
   }
 for(i=2;i<13;i++)
   temp^=Send0[i];
 Send0[13]=temp;
}

void get_send(uchar j)
{uchar i;
 FM_CS; 
 Send0[0]=j;
 for(i=1;i<=j;i++)
  { Send0[i]=*send_p;
	send_p++;
  }
 
}

void send_no_data(uchar j)
{uchar i,temp=0x55;
 Send0[0]=7;
 Send0[1]=0x55;
 Send0[2]=0x7a;
 Send0[3]=j;
 Send0[4]=0x00;
 Send0[5]=0x00;
 Send0[6]=0x00;
 for(i=2;i<7;i++)
   temp^=Send0[i];
 Send0[7]=temp;

}

void Get_tzxs(void)
{uchar *p1,i,temp=0x55;
 Send0[0]=10;
 Send0[1]=0x55;
 Send0[2]=0x7a;
 Send0[3]=0x04;
 Send0[4]=0x00;
 Send0[5]=0x03;
 Send0[6]=0x00;
 FM_CS;
 p1=Tzx_Buf;
 for(i=7;i<10;i++)
   {Send0[i]=*p1;
    p1++;
   }
 for(i=2;i<10;i++)
   temp^=Send0[i];
 Send0[10]=temp;
}

void Get_driver(void)
{uchar *p1,i,temp=0x55;
 Send0[0]=28;
 Send0[1]=0x55;
 Send0[2]=0x7a;
 Send0[3]=0x01;
 Send0[4]=0x00;
 Send0[5]=21;
 Send0[6]=0x00;
 FM_CS;
 p1=Driver_now__Buf+1;
 for(i=7;i<28;i++)
   {Send0[i]=*p1;
    p1++;
   }
 for(i=2;i<28;i++)
   temp^=Send0[i];
 Send0[28]=temp;
}

void Get_qiche(void)
{uchar *p1,i,temp=0x55;
 Send0[0]=48;
 Send0[1]=0x55;
 Send0[2]=0x7a;
 Send0[3]=0x06;
 Send0[4]=0x00;
 Send0[5]=41;
 Send0[6]=0x00;
 FM_CS;
 p1=Qiche_Buf;
 for(i=7;i<48;i++)
   {Send0[i]=*p1;
    p1++;
   }
 for(i=2;i<48;i++)
   temp^=Send0[i];
 Send0[48]=temp;
}

//字节异或
uchar com_xor(uint a)
{uchar temp;
 uint i;
 uchar *p1;
 p1=com1subbuf;
 temp=*p1;
 p1++;
 for(i=1;i<a;i++)
  {temp^=*p1;
   p1++;
  }
  return temp;
}

//BCD时间转十六进制
uchar timeb2h(uchar a)
{
    uchar temp;
    temp = (a & 0xf0);
    temp >>= 4;
    temp *= 10;
    temp += (a & 0x0f);
    return (temp);
}
//时间HEX格式转BCD
uchar timeh2b(uchar a)
{
    uchar temp;
    temp = a / 10;
    temp <<= 4;
    temp += a % 10;
    return (temp);
}
//时间点time自2000年1月1日00:00起的分钟数
void timepastforint(void)
{
    uchar i;
    itimelen = 0;
    for (i=0; i<itime[0]; i++)
    {
        itimelen += pgm_read_word(&yearday[i]);
		
    }
    if (pgm_read_word(&yearday[itime[0]])==366)     //若是闰年
    {
        for (i=1; i<itime[1]; i++)
        {
            itimelen += pgm_read_byte(&runmonthday[i]);
        }
    }
    else
    {
        for (i=1; i<itime[1]; i++)
        {
            itimelen += pgm_read_byte(&monthday[i]);
        }
    }
    itimelen += itime[2] - 1;
    itimelen *= 1440;            //天数转换成分钟数
    itimelen += itime[3]*60 + itime[4];
	i=0;
}

void locatetime(void)
{
    uchar i,j,k;
    ulong t;
    t = itimelen;
    for (i=0; i<5; i++)
    {
        time[i] = 0;
    }
    for (i=0; i<99; i++)
    {
        if (t>=(pgm_read_word(&yearday[i])*1440))
        {
            t -= pgm_read_word(&yearday[i])*1440;
            time[0]++;
        }
        else
            break;
    }
    time[1] = 1;
    if (pgm_read_word(&yearday[time[0]])==366)
    {
        for (i=1; i<12; i++)
        {
            if ((pgm_read_byte(&runmonthday[i])*1440)<=t)
            {
                t -= pgm_read_byte(&runmonthday[i])*1440;
                time[1]++;
            }
            else
                break;
        }
    }
    else
    {
        for (i=1; i<12; i++)
        {
            if (t>=(pgm_read_byte(&monthday[i])*1440))
            {
                t -= pgm_read_byte(&monthday[i])*1440;
                time[1]++;
            }
            else
                break;
        }
    }
    time[2] = 1;
    while (t>=1440)
    {
        time[2]++;
        t -= 1440;
    }
    while (t>=60)
    {
        time[3]++;
        t -= 60;
    }
    time[4] = t;
	for(i=0;i<5;i++)
	 {j=(uchar)(time[i]/10);
	  k=(uchar)(time[i]%10);
	  time[i]=j*16+k;
	 }
}

uchar comtime(uchar *p)
{
 if(time[0]<*p)
  	return TRUE;
 else
 	{
        if (time[0] > *p)   ///2006_1_3      time[0])
            return FALSE;
        else
        {
            if (time[1]<*(p+1))
                return TRUE;
            else
            {
                if (time[1]>*(p+1))
                    return FALSE;
                else
                {
                    if (time[2]<*(p+2))
                        return TRUE;
                    else
                    {
                        if (time[2]>*(p+2))
                            return FALSE;
                        else
                        {
                            if (time[3]<*(p+3))
                                return TRUE;
                            else
                            {
                                if (time[3]>*(p+3))
                                    return FALSE;
                                else
                                {
                                    if (time[4]<*(p+4))
                                        return TRUE;
                                    else
                                    {
                                        if (time[4]>*(p+4))
                                            return FALSE;
                                        else
                                            return TRUE;
                                    }
                                }
                            }
                        }
                    }
                }
            }
        }
    }

}


void Ini_speed(void)
{DDRD&=0XEF;
 speed_cap=0;
 speed_cn=0;
 TCCR1A=0;
 TCCR1C=0;
 TIMSK=0X24;
 ETIMSK=0X00;
 TIFR=0X00;
 ETIFR=0X00;
 TCNT1=0x0000;
 TCCR1B=0X81;
}