UART_17158_EFR_ECB
efr |= (UART_17158_EFR_ECB | UART_17158_EFR_IXON);
efr |= (UART_17158_EFR_ECB | UART_17158_EFR_IXOFF);
efr &= ~(UART_17158_EFR_ECB | UART_17158_EFR_IXOFF);
efr &= ~(UART_17158_EFR_ECB | UART_17158_EFR_IXON);
efr |= (UART_17158_EFR_ECB | UART_17158_EFR_CTSDSR);
efr |= (UART_17158_EFR_ECB | UART_17158_EFR_RTSDTR);