问题1：全速运行到一个断点处比较器1、2只有比较器2输出1，而单步运行到同一个断点处，两个比较器都输出1，是什么原因？
2：为什么比较器1输出1时不触发EPwm1Regs.TZ事件，而比较器2输出1时却触发EPwm2Regs.TZ事件，代码如下（两个比较器输出都配置到EPwm2Regs.TZSEL.bit.DCxEVT1）
EPwm1Regs.DCTRIPSEL.bit.DCAHCOMPSEL = DC_COMP1OUT; // DCAH = Comparator 1 output
EPwm1Regs.TZDCSEL.bit.DCAEVT1 = TZ_DCAH_HI; // DCAEVT1 = DCAH high(will become active
// as Comparator output goes high)
EPwm1Regs.DCACTL.bit.EVT1SRCSEL = DC_EVT1; // DCAEVT1 = DCAEVT1 (not filtered)
EPwm1Regs.DCACTL.bit.EVT1FRCSYNCSEL = DC_EVT_ASYNC; // Take async path
// Enable DCAEVT1 as a one-shot source
EPwm1Regs.TZSEL.bit.DCAEVT1 = 1;
// What do we want the DCAEVT1 event to do?
EPwm1Regs.TZCTL.bit.TZA = TZ_FORCE_LO; // EPWMxA will go low
// EPwm1Regs.TZCTL.bit.TZB = TZ_FORCE_LO; // EPWMxB will go low
EDIS;
// Comp1, DACval = Itrip1, DAC Source is DACval, Ramp Source = don't care, Slope = don't care
DacDrvCnf(1, Itrip1, 0, 2, 0);
// Configure PWM2, Comparator2 and DAC for over current protection for channel 2
EALLOW;
// Define an event (DCBEVT1) based on Comparator 2 Output
EPwm2Regs.DCTRIPSEL.bit.DCBHCOMPSEL = DC_COMP2OUT; // DCBH = Comparator 2 output
EPwm2Regs.TZDCSEL.bit.DCBEVT1 = TZ_DCBH_HI; // DCBEVT1 = DCBH high(will become active
// as Comparator output goes high)
EPwm2Regs.DCBCTL.bit.EVT1SRCSEL = DC_EVT1; // DCBEVT1 = DCBEVT1 (not filtered)
EPwm2Regs.DCBCTL.bit.EVT1FRCSYNCSEL = DC_EVT_ASYNC; // Take async path
// Enable DCBEVT1 as a one-shot source
EPwm2Regs.TZSEL.bit.DCBEVT1 = 1;
// What do we want the DCAEVT1 event to do?
EPwm2Regs.TZCTL.bit.TZA = TZ_FORCE_LO; // EPWMxA will go low
// EPwm2Regs.TZCTL.bit.TZB = TZ_FORCE_LO; // EPWMxB will go low
EDIS;
// Comp2, DACval = Itrip2, DAC Source is DACval, Ramp Source = don't care, Slope = don't care
DacDrvCnf(2, Itrip2, 0, 2, 0);
