提取GPRMC格式的GPS电文

#include "semLib.h"
#include "tasklib.h"
#include "fcntl.h"
#include "iolib.h"
#include "unistd.h"
#include "siolib.h"
#include "stdlib.h"
#include "vxworks.h"


void GPS();
void progStart();
void progStop();

#define BUFFLEN 1024
int tid_readGPS;
int fd_COM1;



STATUS COM_init()
{
fd_COM1=open("/tyCo/0",O_RDWR,0);
ioctl(fd_COM1,FIOSETOPTIONS,OPT_RAW);
ioctl(fd_COM1,FIOBAUDRATE,115200);
ioctl(fd_COM1,SIO_HW_OPTS_SET,CS8 );
ioctl(fd_COM1,FIOFLUSH,0);

}