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Altera_Forum's avatar
Altera_Forum
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19 years ago

DMA and Uart

hi ! i would like to start implement DMA controller with uart I already generate and download my system into fpga startix II dev board succefully . I saw also documents about DMA , bit into...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
19 years ago

what i have to do ?

create a system multiprocessor , where one cpu works for the

communication .

Otherwise the dma is a avalon master like a cpu .

If i use one cpu for logical processing and an other cpu for the communication

i should resolve my problems .

Anyway if i choose this system , may i share variables for two cpu?

for example with the cpu n°1 i get and send data and

put them in memory with name (struct mydata), and with cpu n°2 that i use for logical processing may i read and write the same variable (struct mydata) ?

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