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Altera_Forum's avatar
Altera_Forum
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21 years ago

Using alt_flash_open_dev

Hello, I have a Nios2 system that runs from flash (flash = program memory). My program needs to access flash at a certain moment, it needs to write/read some data to it. The alt_flash_open_de...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
21 years ago

Hello,

I just found out what the problem is.

I use the following function to access flash:

extern int ReadFlash (FILE* fp) __attribute__ ((section (".FPGARAM2")));

int ReadFlash (FILE* fp)

{

alt_flash_fd* fd=0;

while (!fd) {fd = alt_flash_open_dev("/dev/Flash");}

alt_flash_close_dev("/dev/Flash");

return 1;}

This function is extern and located in RAM, but my function calls alt_flash_open_dev AND this function is still in FLASH.

How can I solve this?

best regards,

Dolphin