Thread: Can someone please tell me how to have these four files compile without errors??

junk.h

Code:

#ifndef JUNK_H_#define JUNK_H_


char r_getVersion[TRANSMIT_SIZE] = {'E','R','_','C','M','D','#','T','3'};


struct s_rf{
    char command[10];
    boolean ack;
};


void configRadio(void);


#endif /* JUNK_H_ */

junk2.h

Code:

#include <stdint.h>#include <stdlib.h>


#ifndef JUNK2_H_
#define JUNK2_H_


#define TRANSMIT_SIZE 9


typedef enum {F, T} boolean;


#endif /* JUNK2_H_ */

junk.c

Code:

#include <string.h>#include "junk.h"
#include "junk2.h"




void config(void)
{


    extern char length;
    extern char *cmd;
    extern struct s_rf s_LPRS;


    length = sizeof(r_getVersion);
    cmd = memcpy(s_LPRS.command, r_getVersion, length);
    s_LPRS.ack = T;
}

main.c

Code:

#include <string.h>#include "junk2.h"
#include "junk.h"


struct s_rf s_LPRS, *pyld;
char *cmd, length;


int main(void)
{
    cmd = memcpy(s_LPRS.command, r_getVersion, sizeof(r_getVersion));
    s_LPRS.ack = T;
    pyld = &s_LPRS;
    config();
}

I get undefined TRANSMIT_SIZE and boolean when I compile....If I include junk2.h within junk.h I then get r_getVersion has been redefined error....defined in junk.obj then redefined in main.obj. Can someone please show me how to set up these four files to be error free? Also I was under the impression that you should NOT include a .h file within another .h, is this correct?

Thank you

junk.h file is really void config(void)

But the char r_getVersion.....is one of MANY commands that I will be sending to a piece of hardware...I don't want to clutter my source file with these constants....Is there a way to keep these in the header file....maybe they shouldn't be defined as type char??? but if I #define them then I cannot use them in memcpy and sizeof functions??