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USART: use of printf();

Johannes meier

Hello,

I'm working with the AT91RM9200 - the USART is already configurated and works but I don't know how I could use the printf-function for the usart.

Now I'm sending a character with this function - it works, but it's ver uncomfortable if I want to send one sentence or numbers...

char  a[11] = "Hallo Welt";
        for(int i=0; i<11; i++)
        {

                while( !(COM1->US_CSR  & AT91C_US_TXRDY) )
                     continue;
                COM1->US_THR = (a[i] & 0xFF);
        }

Is there a possibility to use the printf-function for the first USART / not the DEBUG-Unit at the AT91?

printf("Hello World\n");

best regards
Johannes

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