有没有EPWM模块中捕获控制逻辑的使用例程？我想配置为当发现外部信号变为高电平时，捕获到当前TBCTR的计数值。下面这个框图应该怎么理解？

这是Controsuit里面提供的epwm_blanking_window例程 。只有偏移量和滤波窗口修改成了750和150.
EPwm1Regs.TBPRD = 1000; // Set timer period
EPwm1Regs.TBPHS.half.TBPHS = 0x0000; // Phase is 0
EPwm1Regs.TBCTR = 0x0000; // Clear counter

// Setup TBCLK
EPwm1Regs.TBCTL.bit.CTRMODE = TB_COUNT_UP; // Count up
EPwm1Regs.TBCTL.bit.PHSEN = TB_DISABLE; // Disable phase loading
EPwm1Regs.TBCTL.bit.HSPCLKDIV = TB_DIV1; // Clock ratio to SYSCLKOUT
EPwm1Regs.TBCTL.bit.CLKDIV = TB_DIV1;

EPwm1Regs.CMPCTL.bit.SHDWAMODE = CC_SHADOW; // Load registers every ZERO
EPwm1Regs.CMPCTL.bit.SHDWBMODE = CC_SHADOW;
EPwm1Regs.CMPCTL.bit.LOADAMODE = CC_CTR_ZERO;
EPwm1Regs.CMPCTL.bit.LOADBMODE = CC_CTR_ZERO;

// Setup compare
EPwm1Regs.CMPA.half.CMPA = 500;

// Set actions
EPwm1Regs.AQCTLA.bit.CAU = AQ_CLEAR; // Clear PWM1A on CAU

// Use EPWM1B as a reference
EPwm1Regs.AQCTLB.bit.ZRO = AQ_TOGGLE; // TOGGLE PWM1B on Zero

// Define an event (DCAEVT1) based on TZ1 and TZ2
// For blanking we must use the filtered event
// Use the async path to avoid sync to TBCLK
EALLOW;
EPwm1Regs.DCTRIPSEL.bit.DCAHCOMPSEL = DC_TZ1; // DCAH = TZ1
EPwm1Regs.DCTRIPSEL.bit.DCALCOMPSEL = DC_TZ2; // DCAL = TZ2
EPwm1Regs.TZDCSEL.bit.DCAEVT1 = TZ_DCAL_HI_DCAH_LOW; // DCAEVT1 = DCAH low, DCAL high;
EPwm1Regs.DCFCTL.bit.SRCSEL = DC_SRC_DCAEVT1; // DCEVTFLT Filter Source = DCAEVT1
EPwm1Regs.DCACTL.bit.EVT1SRCSEL = DC_EVT_FLT; // DCAEVT1 = DCEVTFLT
EPwm1Regs.DCACTL.bit.EVT1FRCSYNCSEL = DC_EVT_ASYNC; // Take asynch path

// What do we want the event (DCAEVT1) to do?
EPwm1Regs.TZCTL.bit.DCAEVT1 = TZ_FORCE_HI; // force high on DCAEVT1

EPwm1Regs.DCFCTL.bit.PULSESEL = DC_PULSESEL_ZERO;
EPwm1Regs.DCFOFFSET = 750;
EPwm1Regs.DCFWINDOW = 150;
EPwm1Regs.DCFCTL.bit.BLANKE = DC_BLANK_ENABLE;
EPwm1Regs.DCFCTL.bit.BLANKINV = DC_BLANK_NOTINV;

// Enable interrupt on the DCAEVT1
EPwm1Regs.TZEINT.bit.DCAEVT1 = 1;
EDIS;