Forum Discussion

Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

Can't Read Data from Custom componet (Avalon mm)

I had associated a custom component (A variation of the DCFIFO example available in AN 473) to my NIOS 2 System. I use the Avalon MM (Slave) Interface whit the current signals: Readdata (32bits...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

using IMM_X_BASE as an address is fine. But why don't you use the higher level HAL functions to configure the DMA? Functions like alt_dma_txchan_send() and alt_dma_rxchan_prepare() ? They are described in this document (http://www.altera.com/literature/hb/nios2/n2sw_nii52004.pdf), pages 6-25 and up.