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Altera_Forum's avatar
Altera_Forum
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15 years ago

why o why don't I get an interrupt when SGDMA engine completes a descriptor or chain

background: I am using Quartus 9.1 SP2. On a Arria GX Dev Board (EP1AGX60DF780C6) I am writing a 32bit driver for Windows XP using WDF. I am using Legacy Interrupts and not MSI (...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

sorry to be late :) But it seems you forget to set the Global Interrupt Enable bit in your SGDMA control register, that's why no interrupts are generated...