void InitEv(void)
{
//EVA模块
EvaRegs.T1CON.bit.TMODE=2; //连续增模式
EvaRegs.T1CON.bit.TPS=0; //T1CLK=HSPCLK=75M
EvaRegs.T1CON.bit.TENABLE=0; //暂时禁止T1计数
EvaRegs.T1CON.bit.TCLKS10=0; //使用内部时钟,T1CLK
EvaRegs.T1CON.bit.TECMPR=1; //使能定时器比较操作
EvaRegs.T2CON.bit.TMODE=2; //连续增模式
EvaRegs.T2CON.bit.TPS=0; //T2CLK=HSPCLK=75M
EvaRegs.T2CON.bit.TENABLE=0; //暂时禁止T2计数
EvaRegs.T2CON.bit.TCLKS10=0; //使用内部时钟,T2CLK
EvaRegs.T2CON.bit.TECMPR=1; //使能定时器比较操作
EvaRegs.GPTCONA.bit.TCOMPOE=1; //定时器比较输出T1PWM_T1CMPR和T2PWM_T2CMPR由各自的定时器比较逻辑驱动
EvaRegs.GPTCONA.bit.T1PIN=2; //低电平有效
EvaRegs.GPTCONA.bit.T2PIN=2; //低电平有效
EvaRegs.T1PR=750; //95KHz的PWM,周期为10.526us,750
EvaRegs.T1CMPR=375; //占空比为50%,高电平有效375
EvaRegs.T1CNT=0;
EvaRegs.T2PR=0x02EE; //100KHz的PWM,周期为10us,749
EvaRegs.T2CMPR=0x0177; //占空比为50%,高电平有效375
EvaRegs.T2CNT=0;
EvaRegs.COMCONA.bit.CENABLE=1; //使能比较单元的比较操作
EvaRegs.COMCONA.bit.FCOMPOE=1; //全比较输出,PWM1-6引脚均由相应的比较逻辑驱动
EvaRegs.COMCONA.bit.CLD=2; //定时器比较寄存器重载条件:立即
//死区时间为: DBT/Tdb=370ns
EvaRegs.DBTCONA.bit.DBT=7; //死区定时器周期,4位最大值为15
EvaRegs.DBTCONA.bit.EDBT1=1; //死区定时器1使能位
EvaRegs.DBTCONA.bit.EDBT2=1; //死区定时器2使能位
EvaRegs.DBTCONA.bit.EDBT3=1; //死区定时器3使能位
EvaRegs.DBTCONA.bit.DBTPS=2, //死区定时器预定标因子 Tdb=75M/4=18.75M
EvaRegs.ACTR.all=0x0999; //设定引脚PWM1-PWM6的动作属性
EvaRegs.CMPR1=375; //PWM1占空比为50% , 375
EvaRegs.CMPR2=375; //PWM3占空比为50% , 375
EvaRegs.CMPR3=375; //PWM5占空比为50% , 375
//EVB模块
EvbRegs.T3CON.bit.TMODE=2; //连续增模式
EvbRegs.T3CON.bit.TPS=0; //T3CLK=HSPCLK=75M
EvbRegs.T3CON.bit.TENABLE=0; //暂时禁止T3计数
EvbRegs.T3CON.bit.TCLKS10=0; //使用内部时钟,T3CLK
EvbRegs.T3CON.bit.TECMPR=1; //使能定时器比较操作
EvbRegs.T4CON.bit.TMODE=2; //连续增模式
EvbRegs.T4CON.bit.TPS=0; //T4CLK=HSPCLK=75M
EvbRegs.T4CON.bit.TENABLE=0; //暂时禁止T4计数
EvbRegs.T4CON.bit.TCLKS10=0; //使用内部时钟,T4CLK
EvbRegs.T4CON.bit.TECMPR=1; //使能定时器比较操作
EvbRegs.GPTCONB.bit.TCOMPOE=1; //定时器比较输出T3PWM_T3CMPR和T4PWM_T4CMPR由各自的定时器比较逻辑驱动
EvbRegs.GPTCONB.bit.T3PIN=2; //高电平有效
EvbRegs.GPTCONB.bit.T4PIN=2; //高电平有效
EvbRegs.T3PR=0x02EE; //100KHz的PWM,周期为10us,749
EvbRegs.T3CMPR=0x0177; //占空比为50%,高电平有效375
EvbRegs.T3CNT=0;
EvbRegs.T4PR=0x02EE; //100KHz的PWM,周期为10us,749
EvbRegs.T4CMPR=0x0177; //占空比为50%,高电平有效375
EvbRegs.T4CNT=0;
EvbRegs.COMCONB.bit.CENABLE=1; //使能比较单元的比较操作
EvbRegs.COMCONB.bit.FCOMPOE=1; //全比较输出,PWM7-12引脚均由相应的比较逻辑驱动
EvbRegs.COMCONB.bit.CLD=2; //定时器比较寄存器重载条件:立即
//死区时间为:0.2us
EvbRegs.DBTCONB.bit.DBT=10; //死区定时器周期,m=10
EvbRegs.DBTCONB.bit.EDBT1=1; //死区定时器1使能位
EvbRegs.DBTCONB.bit.EDBT2=1; //死区定时器2使能位
EvbRegs.DBTCONB.bit.EDBT3=1; //死区定时器3使能位
EvbRegs.DBTCONB.bit.DBTPS=1, //死区定时器预定标因子 Tdb=75M/2=37.5M
EvbRegs.ACTRB.all=0x0999; //设定引脚PWM7-PWM12的动作属性
EvbRegs.CMPR4=0x0177; //PWM7占空比为50% , 375
EvbRegs.CMPR5=0x0177; //PWM9占空比为50% , 375
EvbRegs.CMPR6=0x0177; //PWM11占空比为50% , 375