UARTSR1
sts = readb(sport->port.membase + UARTSR1);
u8 sr = readb(sport->port.membase + UARTSR1);
if (readb(sport->port.membase + UARTSR1) & UARTSR1_RDRF) {
lpuart_wait_bit_set(port, UARTSR1, UARTSR1_TC);
lpuart_wait_bit_set(port, UARTSR1, UARTSR1_TDRE);
lpuart_wait_bit_set(&sport->port, UARTSR1, UARTSR1_TC);
if (readb(port->membase + UARTSR1) & UARTSR1_RDRF) {
lpuart_wait_bit_set(port, UARTSR1, UARTSR1_TDRE);
if (!(readb(port->membase + UARTSR1) & UARTSR1_RDRF))
if (readb(port->membase + UARTSR1) & UARTSR1_TDRE)
u8 sr1 = readb(port->membase + UARTSR1);
sr = readb(sport->port.membase + UARTSR1);