UARTSR1_PE
if (sr & (UARTSR1_PE | UARTSR1_FE)) {
if (sr & UARTSR1_PE)
port->read_status_mask |= UARTSR1_FE | UARTSR1_PE;
port->ignore_status_mask |= UARTSR1_PE;
if (sr & (UARTSR1_PE | UARTSR1_OR | UARTSR1_FE)) {
if (sr & UARTSR1_PE)
if (sr & UARTSR1_PE)