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Altera_Forum
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19 years ago

hello_world_small Uart input

No problem to get result with hello_world_small. But I am very unhappy with uart character input. Documentation sweeps me thru a lot of mystic solutions. How can I do a simple character input in the...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
19 years ago

with fprintf:

fprintf(FILE, "%d\r\n", var);

instead do this:

char buffer[1000];

int count;

sprintf(buffer, "%d\r\n", var);

for(count = 0; buffer[count]; ++count)

{

IOWR_ALTERA_AVALON_UART_TXDATA(UART_0_BASE, buffer[count]);

}

This is quick and dirty. http://forum.niosforum.com/work2/style_emoticons/<#EMO_DIR#>/unsure.gif

Missing is buffer overrun check but it will basicly work.

Karsten