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Altera_Forum's avatar
Altera_Forum
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11 years ago

NiosII memory reservation

Hello guys, I have a system running a NiosII processor. In my Qsys system I have connected one port of a dual-port-onchipmem to the Nios data master port and the second port has been exported...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
11 years ago

Declare dataset_ptr as a global variable, as you have done, but initialize it from main().

e.g. 


volatile uint8_t * dataset_ptr;
void main(void)
{
   dataset_ptr = (volatile uint8_t*) alt_remap_uncached(ONCHIP_DATASET_DP_RAM_BASE,ONCHIP_DATASET_DP_RAM_SIZE_VALUE);
}