Re: [avr-gcc-list] Help Needed (UART / USART)

[kitts]

On Saturday 31 Mar 2007 at 3:17:02 am, mickhail mcanuff wrote:
> uint8_t USART_vReceiveByte()
>
> {
>
>
> while((UCSRA&(1<<RXC)) == 0);// Wait until a byte has been received
>
> if (UCSRA & (1<<DOR)|(1<<FE)==0) //check for framing error and data over
> run return -1;
>
>
> return UDR;// Return received data
>
> }

You are returning a negative value while using an unsigned data type. It 
seems to me that you do not have a debugger. Instead of in main, put 
differrent value out on the receive function just to know which condition 
came true.
-- 
Cheers!
kitts