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Altera_Forum's avatar
Altera_Forum
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19 years ago

extern pointer C bug or not?

Is: extern cyg_uint8 gr_data_written[]; the same as? extern cyg_uint8 *gr_data_written; retrieving via { unsigned char *dp; dp = gr_data_written; my ecos gcc sets dp as th...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
19 years ago

Please try the following.

<span style="font-family:Courier">// in declaration file

cyg_uint8 gr_data_written[5] = {1,2,3,4,5};

cyg_uint8 *pData = gr_data_written; // initialize the pointer

//---

// in this other file

extern cyg_uint8 gr_data_written[]; // good

extern cyg_uint8 *pData ; // good

</span>

Good luck!

Garland