hx_gps.c

HX-87 GPS模块协议转换程序

#include".\GLOBLE.H"


UBYTE8 check_sum(UBYTE8 * check_arr,UBYTE8 check_num)
{
	UBYTE8 * lpv_arr_point;
	UBYTE8	    lcv_check_tmp;
	lpv_arr_point=check_arr;
	++lpv_arr_point;
	lcv_check_tmp=*lpv_arr_point;
	while(*lpv_arr_point!='*')
		{
		lcv_check_tmp^=*lpv_arr_point;
		lpv_arr_point++;
		}
	return (lcv_check_tmp);
}