OWL_UART_STAT_RIP
val |= OWL_UART_STAT_RIP;
if (stat & OWL_UART_STAT_RIP)
stat |= OWL_UART_STAT_RIP | OWL_UART_STAT_TIP;
val |= OWL_UART_STAT_RIP | OWL_UART_STAT_TIP
val |= OWL_UART_STAT_TIP | OWL_UART_STAT_RIP;