test.c

讲解了串口通讯的几个实例

#include "COM.H"
#include <stdio.h>
#include <math.h>

long int com1Count=0;
long int com1Rx_len =0;
int ReceiveDone=0;
FILE *fp=NULL;
unsigned char time[]="000000";
union unionSend
{

    unsigned  char Sendstring[58];
    struct structSend
    {
    unsigned short int  head;// 帧头0xffff      2
    float Lat;// 纬度                           4
    float Lgt;//                                4
    float Hlg;// 高度                           4
    float Yaw;//                                4
    float Pitch;//                              4
    float Roll;//                               4
    float wx;//x角速度                          4
    float wy;//                                 4
    float wz;//                                 4
    float wax;// x角加速度                      4
    float way;//                                4
    float waz;//                                4
	unsigned char  GPStime[6];// 时间hhmmss //  6
	unsigned int CheckValue;// 两字节校验 //    2

	}s1;
}Sendunion;
void save(void)
{

	 fprintf(fp,"%10.6f   %10.6f   %10.6f",Sendunion.s1.Lat,Sendunion.s1.Lgt,Sendunion.s1.Hlg);
	 fprintf(fp,"%10.6f   %10.6f   %10.6f",Sendunion.s1.Yaw,Sendunion.s1.Pitch,Sendunion.s1.Roll);
	 fprintf(fp,"%10.6f   %10.6f   %10.6f",Sendunion.s1.wx,Sendunion.s1.wy,Sendunion.s1.wz);
	 fprintf(fp,"%10.6f   %10.6f   %10.6f\n",Sendunion.s1.wax,Sendunion.s1.way,Sendunion.s1.waz);
 }
void disp()
{

	 gotoxy(10,8);
	 printf("Rx_count:%ld    Rx_len:%ld",com1Count,com1Rx_len);
	 gotoxy(10,10);
	 printf("GPS_Time:%s",time);
	 gotoxy(10,12);
	 printf("Pos:%10.6f   %10.6f   %10.6f",Sendunion.s1.Lat,Sendunion.s1.Lgt,Sendunion.s1.Hlg);
	 gotoxy(10,14);
	 printf("ATT:%10.6f   %10.6f   %10.6f",Sendunion.s1.Yaw,Sendunion.s1.Pitch,Sendunion.s1.Roll);
	 gotoxy(10,16);
	 printf("W:%10.6f   %10.6f   %10.6f",Sendunion.s1.wx,Sendunion.s1.wy,Sendunion.s1.wz);
	 gotoxy(10,18);
	 printf("Wa:%10.6f   %10.6f   %10.6f",Sendunion.s1.wax,Sendunion.s1.way,Sendunion.s1.waz);

}

void main(void)
{
    unsigned char key=0;

    clrscr();
    gotoxy(70,25); printf("Quit !");

    if((fp = fopen("RXdata.txt","w+"))==NULL)
    {
        printf("File not opened!");
        return;
    }
    outportb(0x20,0x20);   //clear interrupt ask
    OpenCOM(COM1, BAUD_115200, PARITY_NO|STOP_BIT1|DATA_BIT8, INT_MSK_TX|INT_MSK_RX);


    while (key!='Q'&&key!='q')
    {
    if(kbhit())
        key=getch();

    if(ReceiveDone)
            {

                ReceiveDone=0;
                memcpy(time,Sendunion.s1.GPStime, 6*sizeof(char));
                save();
                disp();

                }
    }

CloseCOM(COM1) ;

}