spi_read
spi_read(sc->sc_spi_tag, (char *)&status, sizeof(status));
spi_read(sc->sc_spi_tag, (char *)&status, sizeof(status));
spi_read(sc->sc_spi_tag, (char *)&status, sizeof(status));
spi_read(sc->sc_spi_tag, (char *)&status, sizeof(status));
spi_read(sc->sc_spi_tag, (char *)&status, sizeof(status));
spi_read(sc->sc_spi_tag, (char *)&packet, sizeof(packet));
error = spi_read(sc->sc_spi_tag, buf, len);
error = spi_read(sc->sc_spi_tag, buf, buflen);