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标题: CPU_CFG_INT_DIS_MEAS_OVRHD_NBR / 2u)是什么意 [打印本页]

作者: nichao0 时间: 2022-1-25 16:03
标题: CPU_CFG_INT_DIS_MEAS_OVRHD_NBR / 2u)是什么意
#ifdef  CPU_CFG_INT_DIS_MEAS_EN
static  void  CPU_IntDisMeasInit (void)
{
CPU_TS_TMR  time_meas_tot_cnts;
CPU_INT16U  i;
CPU_SR_ALLOC();

                                                            /* ----------- INIT INT DIS TIME MEAS CTRLS ----------- */
CPU_IntDisMeasCtr       = 0u;
CPU_IntDisNestCtr       = 0u;
CPU_IntDisMeasStart_cnts  = 0u;
CPU_IntDisMeasStop_cnts = 0u;
CPU_IntDisMeasMaxCur_cnts = 0u;
CPU_IntDisMeasMax_cnts = 0u;
CPU_IntDisMeasOvrhd_cnts  = 0u;

                                                            /* ----------- CALC INT DIS TIME MEAS OVRHD ----------- */
time_meas_tot_cnts = 0u;
CPU_INT_DIS();                                           /* Ints MUST be dis'd for ovrhd calc (see Note #3b). */
for (i = 0u; i < CPU_CFG_INT_DIS_MEAS_OVRHD_NBR; i++) {
      CPU_IntDisMeasMaxCur_cnts = 0u;
      CPU_IntDisMeasStart();                               /* Perform multiple consecutive start/stop time meas's  */
      CPU_IntDisMeasStop();
      time_meas_tot_cnts += CPU_IntDisMeasMaxCur_cnts;       /* ...    & sum time meas max's                ... */
}
                                                            /* ... to calc avg time meas ovrhd (see Note #3a).    */
CPU_IntDisMeasOvrhd_cnts  = (time_meas_tot_cnts + (CPU_CFG_INT_DIS_MEAS_OVRHD_NBR / 2u))
                                                /  CPU_CFG_INT_DIS_MEAS_OVRHD_NBR;
CPU_IntDisMeasMaxCur_cnts =  0u;                         /* Reset max ints dis'd times.                         */
CPU_IntDisMeasMax_cnts =  0u;
CPU_INT_EN();
}
#endif

作者: ChenRyan 时间: 2022-2-1 11:11
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