PWM_INIT_MACRO(1,2,3,pwm1) 这个语句是什么意思

您可以看一下它的定义，主要是用于模块初始化

#define PWM_INIT_MACRO(ch1,ch2,ch3,v)										\
	     /* Setup Sync*/													\
         (*ePWM[ch1]).TBCTL.bit.SYNCOSEL = 0;       /* Pass through*/		\
		 (*ePWM[ch2]).TBCTL.bit.SYNCOSEL = 0;       /* Pass through*/		\
		 (*ePWM[ch3]).TBCTL.bit.SYNCOSEL = 0;       /* Pass through*/		\
		 																	\
         /* Allow each timer to be sync'ed*/								\
         (*ePWM[ch1]).TBCTL.bit.PHSEN = 1;									\
         (*ePWM[ch2]).TBCTL.bit.PHSEN = 1;									\
         (*ePWM[ch3]).TBCTL.bit.PHSEN = 1;									\
         																	\
         /* Init Timer-Base Period Register for EPWM1-EPWM3*/				\
         (*ePWM[ch1]).TBPRD = v.PeriodMax;									\
         (*ePWM[ch2]).TBPRD = v.PeriodMax;									\
         (*ePWM[ch3]).TBPRD = v.PeriodMax;									\
																			\
         /* Init Timer-Base Phase Register for EPWM1-EPWM3*/				\
         (*ePWM[ch1]).TBPHS.half.TBPHS = 0;									\
         (*ePWM[ch2]).TBPHS.half.TBPHS = 0;									\
         (*ePWM[ch3]).TBPHS.half.TBPHS = 0;									\
																			\
         /* Init Timer-Base Control Register for EPWM1-EPWM3*/				\
         (*ePWM[ch1]).TBCTL.all = PWM_INIT_STATE;							\
		 (*ePWM[ch2]).TBCTL.all = PWM_INIT_STATE;							\
		 (*ePWM[ch3]).TBCTL.all = PWM_INIT_STATE;							\
																			\
         /* Init Compare Control Register for EPWM1-EPWM3*/					\
         (*ePWM[ch1]).CMPCTL.all = CMPCTL_INIT_STATE;						\
         (*ePWM[ch2]).CMPCTL.all = CMPCTL_INIT_STATE;						\
         (*ePWM[ch3]).CMPCTL.all = CMPCTL_INIT_STATE;						\
																			\
         /* Init Action Qualifier Output A Register for EPWM1-EPWM3*/		\
         (*ePWM[ch1]).AQCTLA.all = AQCTLA_INIT_STATE;						\
         (*ePWM[ch2]).AQCTLA.all = AQCTLA_INIT_STATE;						\
         (*ePWM[ch3]).AQCTLA.all = AQCTLA_INIT_STATE;						\
																			\
         /* Init Dead-Band Generator Control Register for EPWM1-EPWM3*/		\
         (*ePWM[ch1]).DBCTL.all = DBCTL_INIT_STATE;							\
         (*ePWM[ch2]).DBCTL.all = DBCTL_INIT_STATE;							\
         (*ePWM[ch3]).DBCTL.all = DBCTL_INIT_STATE;							\
																			\
         /* Init Dead-Band Generator for EPWM1-EPWM3*/						\
         (*ePWM[ch1]).DBFED = v.Deadband;									\
         (*ePWM[ch1]).DBRED = v.Deadband;									\
         (*ePWM[ch2]).DBFED = v.Deadband;									\
         (*ePWM[ch2]).DBRED = v.Deadband;									\
         (*ePWM[ch3]).DBFED = v.Deadband;									\
         (*ePWM[ch3]).DBRED = v.Deadband;									\
																			\
         /* Init PWM Chopper Control Register for EPWM1-EPWM3*/				\
         (*ePWM[ch1]).PCCTL.all = PCCTL_INIT_STATE;							\
         (*ePWM[ch2]).PCCTL.all = PCCTL_INIT_STATE;							\
         (*ePWM[ch3]).PCCTL.all = PCCTL_INIT_STATE;							\
          																	\
         EALLOW;                       /* Enable EALLOW */					\
																			\
         /* Init Trip Zone Select Register*/								\
         (*ePWM[ch1]).TZSEL.all = TZSEL_INIT_STATE;							\
         (*ePWM[ch2]).TZSEL.all = TZSEL_INIT_STATE;							\
         (*ePWM[ch3]).TZSEL.all = TZSEL_INIT_STATE;							\
																			\
         EDIS;                         /* Disable EALLOW*/