Forum Discussion

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

Uart data ready

Hi all, I am periodically sending data from LabView to my cycloneIII development kit (bemicro) and I want to check if there is data available to be read in NIOS II. Unfortunately, I have not be...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

Ok. The code is finally working! The read ready interrupt (in the control register) must be disabled first, otherwise the RRDY mask does not display the proper value. I used the following command to disable the interrupt:

IOWR_ALTERA_AVALON_UART_CONTROL(UART_BASE, 0);