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Building hex file with external function

Mark de Jong

Hello,

I want to build a system where all the standard functions are already in FLASH (something like a BIOS), this is no problem to generate this.

But, how can I build and link/locate an other application without having the functions which are already in the flash.

So how can I tell the linker/locator that the library functions are available and are at there addreses?

Regards Mark,

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  • 0

    I think that you will not be able to build your application with unresolved objects. I have not tried (just compiled) but I think you just can define your functions using the addresses as follows:

    #define MY_FUNC_ADDR 0x1000000
typedef void (*func_t) (void);
func_t my_func = (func_t) MY_FUNC_ADDR;
...
my_func();


    Thomas

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  • 0

    I think that you will not be able to build your application with unresolved objects. I have not tried (just compiled) but I think you just can define your functions using the addresses as follows:

    #define MY_FUNC_ADDR 0x1000000
typedef void (*func_t) (void);
func_t my_func = (func_t) MY_FUNC_ADDR;
...
my_func();


    Thomas

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