Spectrum Brands MC.31XX 用户手册

82

MC.31xx Manual

Example program

Option Gated Sampling

 

The following example shows how to set up the board for Gated Sampling in standard mode. The setup would be similar in FIFO mode, but 
the memsize register would not be used.

 

TM_CHXPOS

signal crossing level from low to high

signal crossing level from high to low

TM_CHXNEG

signal crossing level from high to low

signal crossing level from low to high

TM_CHXPOS_LP

signal above level longer than the programmed pulsewidth

signal crossing level from high to low

TM_CHXNEG_LP

signal below level longer than the programmed pulsewidth

signal crossing level from low to high

TM_CHXWINENTER

signal entering window between levels

signal leaving window between levels

TM_CHXWINENTER_LP

signal entering window between slower than the programmed pulsewidth

signal leaving window between levels

TM_CHXWINLEAVE

signal leaving window between levels

signal entering window between levels

TM_CHXWINLEAVE_LP

signal leaving window between slower than the programmed pulsewidth

signal entering window between levels

SpcSetParam (hDrv, SPC_GATE,          1);           // Enables Gated Sampling
SpcSetParam (hDrv, SPC_MEMSIZE,       4096);        // Set the total memsize for recording to 4096 samples
SpcSetParam (hDrv, SPC_TRIGGERMODE,   TM_TTLPOS);   // Sets the gate condition to external TTL mode, so that
                                                    // recording will be done, if the signal is at HIGH level