/* Determines whether the SSI transmitter is busy or not. */
tBoolean SSIBusy(unsigned long ulBase)
/* Determines whether the SSI transmitter is busy or not. */
tBoolean SSIBusy(unsigned long ulBase)
{
    ASSERT((ulBase == SSI0_BASE) || (ulBase == SSI1_BASE));
    return((HWREG(ulBase + SSI_O_SR) & SSI_SR_BSY) ? true : false);
}