mps2_uart_read8
u8 status = mps2_uart_read8(port, UARTn_STATE);
u8 control = mps2_uart_read8(port, UARTn_CTRL);
u8 control = mps2_uart_read8(port, UARTn_CTRL);
u8 control = mps2_uart_read8(port, UARTn_CTRL);
while (mps2_uart_read8(port, UARTn_STATE) & UARTn_STATE_RX_FULL) {
u8 rxdata = mps2_uart_read8(port, UARTn_DATA);
u8 irqflag = mps2_uart_read8(port, UARTn_INT);
u8 irqflag = mps2_uart_read8(port, UARTn_INT);
u8 irqflag = mps2_uart_read8(port, UARTn_INT);
u8 control = mps2_uart_read8(port, UARTn_CTRL);
u8 control = mps2_uart_read8(port, UARTn_CTRL);
while (mps2_uart_read8(port, UARTn_STATE) & UARTn_STATE_TX_FULL)