Code c to save a previous data

[SABRAMANSOUR]

Hello
I want to make a program containing a code that saved a previous positon to compared it with the position predicted in the program
i hope it was clear :-| :-|

- - - Updated - - -

I'M USING PIC24

 

[shaiko]

You mean GPS position?

 

[Easyrider83]

typedef struct
{
char x;
char y;
char x_previos;
char y_previos;
}positional_TypeDef;

 

[SABRAMANSOUR]

no IT's the position of a solar thermal collector from the perpendicular solar rays