File content as of revision 0:d463d5c04541:

#define Roll_INDEX      0x01
#define Pitch_INDEX     0x02
#define Yaw_INDEX       0x03 
#define Dis_INDEX       0x05
#define Alt_INDEX       0x04
#define TEMP_INDEX      0x06

#define Gain_Start_bit1  0xFE    //Gain stick 
#define Gain_Start_bit2  0xFE
#define Gain_End_bit     0x0D        

#define Flight_Start_bit1  0xFF   //Flight Mode Data 
#define Flight_Start_bit2  0xFE
#define Flight_End_bit     0x0D

#define Gain_num        20       // 
#define GPS_num     12      
#define Mode_num       3  //14

#define head1 0xFF
#define head2 0xFF
#define End_bit 0x0D


char data_cnt = 0;
char Gain[Gain_num]; 
char GPS[GPS_num];    
char Mode[Mode_num];  

typedef enum
{
     start, check1, check2, check3, check4, check5, check6, check7, check8
} Check; 

float latt, lont; //Target point
float latp, lonp;  //Current point
float d_lat, d_lon;
float a, b, c, d, ld;
float lats, lons;
float dlat, dlon;