MBG_BUSY
} while ((status & MBG_BUSY) && timer++ < tmax);
if (status & MBG_BUSY)
} while ((status & MBG_BUSY) && timer++ < tmax);
if (status & MBG_BUSY)
} while ((status & MBG_BUSY) && timer++ < tmax);
if (status & MBG_BUSY)