tianandy

我想请问下,这里interrupt 16 void TBM_ISR (void){



TBCR_TACK=1; /* TimeBase Interrupt Acknowledge */



if( !(--cCounter) ){ /* If Counter is ZERO then */
PTF = ~PTF; /* Toggle LED */
cCounter = COUNT; /* Reinitialize the Counter */
}

}/* END TBM_ISR() */

为什么是--cCounter取非而不是cCounter逻辑非?