主题中讨论的其他部件:controlSUITE, C2000WARE
工具/软件:TI C/C++编译器
我正在尝试使用ePWM模块生成三相正弦波。这些是一些预定义的变量
#define dead波段37.5
#define TB_PRD 61.351.5625万
#define CLK_DIV TB_DIV4
#define HSPCLK_DIV TB_DIV4
程序卡在epwm2初始化功能。
void InitEPwm1()
{
EPwm1Regs.PCCTL.bit.CHPFREQ = 1;
EPwm1Regs.PCCTL.bit.CHPEN = 1;
EPwm1Regs.TBPRD = TB_PRD;//设置计时器周期
EPwm1Regs.TBPHS.Half.TBPHS = 0x0000;//相位为0
EPwm1Regs.TBCTR = 0x0000;//清除计数器
//设置TBCLK
EPwm1Regs.TBCTL.bit.CTRMODE = TB_COUNT_UDOWN;//计数
EPwm1Regs.TBCTL.bit.PHSEN = TB_DISABLE;//禁用相加载
EPwm1Regs.TBCTL.bit.HSPCLKDIV = HSPCLK_DIV;//与SYSCLKOUT的时钟比率
EPwm1Regs.TBCTL.bit.CLKDIV = CLK_DIV;
EPwm1Regs.TBCTL.bit.SYNCOSEL = Tb_ctr_zero;//generar una señal cuando cr = 0。 这是一家很棒的酒店
EPwm1Regs.CMPCTL.bit.SHDWAMODE = CC_SHADOD;//加载每零个寄存器
EPwm1Regs.CMPCTL.bit.SHDWBMODE = CC_SHADO;
EPwm1Regs.CMPCTL.bit.LOADAMODE = CC_CTR_ZERO;
EPwm1Regs.CMPCTL.bit.LOADBMODE = CC_CTR_ZERO;
//设置比较
EPwm1Regs.CMPA.Half.CMPA = TB_PRD;
//设置操作
EPwm1Regs.AQCTLA.bit.CAU = AQ_SET;//将PWM1A设置为零
EPwm1Regs.AQCTLA.bit.CAD = AQ_CLEAR;
EPwm1Regs.AQCTLB.bit.CAU = AQ_Clear;//将PWM1A设置为零
EPwm1Regs.AQCTLB.bit.CAD = AQ_SET;
//活动低PWM -设置死区
EPwm1Regs.DBCTL.bit.out模式= DB_FULL启用;
EPwm1Regs.DBCTL.bit.POLSEL = DB_ACTV_HIC;
EPwm1Regs.DBCTL.bit.in_mode = DBA_All;
EPwm1Regs.DBRED =死带;
EPwm1Regs.DBFED =死带;
EPwm1Regs.ETSEL.bit.inten = 1;// Habilitar interrupción por evento。
EPwm1Regs.ETSEL.bit.INTSEL = ET_CTRD_CMPA;
EPwm1Regs.ETPS.bit.INTPRD = ET_1ST;//第一个事件中断。
}
void Initepwm2 ()
{
EPwm2Regs.TBPRD = TB_PRD;//设置计时器周期
EPwm2Regs.TBPHS.Half.TBPHS = EPwm1Regs.TBPRD/3;// TBPHS = 1/3*TBPRD。
EPwm2Regs.TBCTR = 0x0000;//清除计数器
//设置TBCLK
EPwm2Regs.TBCTL.bit.CTRMODE = TB_COUNT_UDOWN;//计数
EPwm2Regs.TBCTL.bit.PHSEN = TB_ENABLE;//禁用相位加载
EPwm2Regs.TBCTL.bit.HSPCLKDIV = HSPCLK_DIV;//与SYSCLKOUT的时钟比率
EPwm2Regs.TBCTL.bit.CLKDIV = CLK_DIV;//仅为观察范围而缓慢
EPwm2Regs.TBCTL.bit.SYNCOSEL = TB_SYNC_IN;// PWM2 esclavo del PWM1。
//设置比较
EPwm2Regs.CMPA.Half.CMPA = TB_PRD;
//设置操作
EPwm2Regs.AQCTLA.bit.CAU = AQ_SET;//将PWM2A设置为零
EPwm2Regs.AQCTLA.bit.CAD = AQ_CLEAR;
EPwm2Regs.AQCTLB.bit.CAU = AQ_Clear;//将PWM2A设置为零
EPwm2Regs.AQCTLB.bit.CAD = AQ_SET;
//有源低互补PWM -设置死区
EPwm2Regs.DBCTL.bit.out模式= DB_FULL启用;
EPwm2Regs.DBCTL.bit.POLSEL = DB_ACTV_HIC;
EPwm2Regs.DBCTL.bit.in_mode = DBA_All;
EPwm2Regs.DBRED =死带;
EPwm2Regs.DBFED =死带;
}
此问题是否是 由于#define TB_PRD 61.351.5625万 和#define dead波段37.5 提供了浮点值。
有人可以提供一些补救措施吗。