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Altera_Forum's avatar
Altera_Forum
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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

To test if there is data ready to be read I use the following code.

status = IORD_ALTERA_AVALON_UART_STATUS(UART_BASE);

if (status & ALTERA_AVALON_UART_CONTROL_RRDY_MSK)

{

}

However, it seems that the if statement is false even when there is data available. Can anyone help?