TX39_SPICTRL_REG
return tx_conf_read(sc->sc_tc, TX39_SPICTRL_REG) & (TX39_SPICTRL_EMPTY);
txreg_t reg = tx_conf_read(tc, TX39_SPICTRL_REG);
tx_conf_write(tc, TX39_SPICTRL_REG, reg);
txreg_t reg = tx_conf_read(tc, TX39_SPICTRL_REG);
tx_conf_write(tc, TX39_SPICTRL_REG, TX39_SPICTRL_DELAYVAL_SET(reg, n));
txreg_t reg = tx_conf_read(tc, TX39_SPICTRL_REG);
tx_conf_write(tc, TX39_SPICTRL_REG, TX39_SPICTRL_BAUDRATE_SET(reg, n));
txreg_t reg = tx_conf_read(tc, TX39_SPICTRL_REG);
tx_conf_write(tc, TX39_SPICTRL_REG, reg);
txreg_t reg = tx_conf_read(tc, TX39_SPICTRL_REG);
tx_conf_write(tc, TX39_SPICTRL_REG, reg);
txreg_t reg = tx_conf_read(tc, TX39_SPICTRL_REG);
tx_conf_write(tc, TX39_SPICTRL_REG, reg);
txreg_t reg = tx_conf_read(tc, TX39_SPICTRL_REG);
tx_conf_write(tc, TX39_SPICTRL_REG, reg);
reg = tx_conf_read(tc, TX39_SPICTRL_REG);
tx_conf_write(tc, TX39_SPICTRL_REG, reg);