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Altera_Forum
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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...
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Altera_Forum
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15 years ago

Hi daixiwen.

Our problem is: we need to detect the change of the signal read_i.

1) We send a irq request.

2) The Avalon Master detects our request, so, it asserts the read_i and we need to desassert irq_req.

3) When the device stops the reading, it dessaserts read_i, and then we have to go to INCADR state, to get the next data from a FIFO and putting it as output.

I can't understand how I could do it the way you said.

Thanks.