geni_se_setup_s_cmd
geni_se_setup_s_cmd(se, UART_START_READ, 0);
geni_se_setup_s_cmd(&port->se, UART_START_READ, 0);
geni_se_setup_s_cmd(&port->se, UART_START_READ, 0);
geni_se_setup_s_cmd(&port->se, UART_START_READ, UART_PARAM_RFR_OPEN);