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Altera_Forum's avatar
Altera_Forum
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13 years ago

UART on DE2

Hi, I'm using DE2 (old kit) and my application has a UART to exchange data with PC. I'm using the kit's RS232 connection (not the JTAG). I created the system (including the UART at 9600bps) in Qsys a...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
13 years ago

Hi, look at how to write an interrupt in NIOS II (Altera Nios II software design handbook).

If you employ interrupt, you will forget the file pointer and functions like fwrite(), getc()

and need to employ lower layer functions like iord()

For my project, I have tried interrupts to recieve data but it missed a few.