All pastes #191641 Raw Edit

Anonymous

public text v1 · immutable
·published 2006-10-05 04:42 UTC
rendered paste body
void uart_putc(char c) {

  if (UART_TX_OK && (tx_wr == tx_rd)) {

    UDR = c;

  } else {

    while (TX_INCR(tx_wr, 1) == tx_rd) ;

    tx_buf[tx_wr] = c;

    tx_wr = TX_INCR(tx_wr, 1);

  }

}