TI中文支持网我的EPWM配置，H桥的配置
//========================// EPWM Module 3 config
// Setup TBCLK
EPwm3Regs.TBPRD = 3000; // Period = 3000 TBCLK counts
EPwm3Regs.TBPHS.half.TBPHS = 0; // Set Phase register to zero
EPwm3Regs.TBCTR = 0;
EPwm3Regs.TBCTL.bit.SYNCOSEL = TB_CTR_ZERO; // Sync down-stream module
// Setup counter mode
EPwm3Regs.TBCTL.bit.CTRMODE = TB_COUNT_UPDOWN; // Symmetrical mode
EPwm3Regs.TBCTL.bit.PHSEN = TB_DISABLE; // Master module
EPwm3Regs.TBCTL.bit.HSPCLKDIV = TB_DIV1; // Clock ratio to SYSCLKOUT
EPwm3Regs.TBCTL.bit.CLKDIV = TB_DIV1;
EPwm3Regs.TBCTL.bit.PRDLD = TB_SHADOW;
// Set shadowing
EPwm3Regs.CMPCTL.bit.SHDWAMODE = CC_SHADOW;
EPwm3Regs.CMPCTL.bit.SHDWBMODE = CC_SHADOW;
EPwm3Regs.CMPCTL.bit.LOADAMODE = CC_CTR_ZERO; // load on CTR=Zero
EPwm3Regs.CMPCTL.bit.LOADBMODE = CC_CTR_ZERO; // load on CTR=Zero
// Set actions
EPwm3Regs.AQCTLA.bit.CAU = AQ_SET; // set actions for EPWM1A
EPwm3Regs.AQCTLA.bit.CAD = AQ_CLEAR;
EPwm3Regs.AQCTLA.bit.CBU = AQ_CLEAR;
EPwm3Regs.AQCTLA.bit.CBD = AQ_SET;
//EPwm3Regs.AQCTLA.bit.ZRO = AQ_CLEAR;
EPwm3Regs.AQCTLA.bit.PRD = AQ_NO_ACTION;
EPwm3Regs.AQCTLB.bit.CAU = AQ_CLEAR; // set actions for EPWM1A
EPwm3Regs.AQCTLB.bit.CAD = AQ_SET;
EPwm3Regs.AQCTLB.bit.CBU = AQ_SET; // set actions for EPWM1A
EPwm3Regs.AQCTLB.bit.CBD = AQ_CLEAR;
EPwm3Regs.AQCTLB.bit.ZRO = AQ_SET;
EPwm3Regs.AQCTLB.bit.PRD = AQ_NO_ACTION;
//设定什么时候产生ADC SOC
EPwm3Regs.ETSEL.bit.SOCAEN = 1 ; // 在EPWM3A上使能ADC启动采样
EPwm3Regs.ETSEL.bit.SOCASEL = 2 ; // 当计数器为零(1)和等于周期值(2)时均(3)启动AD采样
EPwm3Regs.ETPS.bit.SOCAPRD = 1 ; // 每发生一个事件启动一次AD采样
EPwm3Regs.DBCTL.bit.HALFCYCLE = 0;
EPwm3Regs.DBCTL.bit.IN_MODE = DBA_ALL; // 死区延时的上升沿和下降沿都是EPWMA所在波形
EPwm3Regs.DBCTL.bit.POLSEL = DB_ACTV_HIC; // Active Hi complementary
EPwm3Regs.DBCTL.bit.OUT_MODE = DB_FULL_ENABLE; // enable Dead-band module
EPwm3Regs.DBRED = 60;
EPwm3Regs.DBFED = 60;
// EPWM Module 4 config
// Setup TBCLK
EPwm4Regs.TBPRD = 3000; // Period = 1600 TBCLK counts
EPwm4Regs.TBPHS.half.TBPHS = 0; // Set Phase register to zero
EPwm3Regs.TBCTR = 0;
EPwm4Regs.TBCTL.bit.SYNCOSEL = TB_SYNC_IN; // sync flow-through
// Setup counter mode
EPwm4Regs.TBCTL.bit.CTRMODE = TB_COUNT_UPDOWN; // Symmetrical mode
EPwm4Regs.TBCTL.bit.PHSEN = 0; // Slave module TB_ENABLE
EPwm4Regs.TBCTL.bit.PRDLD = TB_SHADOW;
EPwm4Regs.TBCTL.bit.PHSDIR = 0;
EPwm4Regs.TBCTL.bit.HSPCLKDIV = TB_DIV1; // Clock ratio to SYSCLKOUT
EPwm4Regs.TBCTL.bit.CLKDIV = TB_DIV1; // Slow just to observe on the scope
// Setup shadowing
EPwm4Regs.CMPCTL.bit.SHDWAMODE = CC_SHADOW;
EPwm4Regs.CMPCTL.bit.SHDWBMODE = CC_SHADOW;
EPwm4Regs.CMPCTL.bit.LOADAMODE = CC_CTR_ZERO; // load on CTR=Zero
EPwm4Regs.CMPCTL.bit.LOADBMODE = CC_CTR_ZERO; // load on CTR=Zero
//Setup actions
EPwm4Regs.AQCTLA.bit.CAU = AQ_SET; // set actions for EPWM1A
EPwm4Regs.AQCTLA.bit.CAD = AQ_CLEAR;
EPwm4Regs.AQCTLA.bit.CBU = AQ_CLEAR;
EPwm4Regs.AQCTLA.bit.CBD = AQ_SET;
//EPwm3Regs.AQCTLA.bit.ZRO = AQ_CLEAR;
EPwm4Regs.AQCTLA.bit.PRD = AQ_NO_ACTION;
EPwm4Regs.AQCTLB.bit.CAU = AQ_CLEAR; // set actions for EPWM1A
EPwm4Regs.AQCTLB.bit.CAD = AQ_SET;
EPwm4Regs.AQCTLB.bit.CBU = AQ_SET; // set actions for EPWM1A
EPwm4Regs.AQCTLB.bit.CBD = AQ_CLEAR;
EPwm4Regs.AQCTLB.bit.ZRO = AQ_SET;
EPwm4Regs.AQCTLB.bit.PRD = AQ_NO_ACTION;
EPwm4Regs.DBCTL.bit.HALFCYCLE = 0;
EPwm4Regs.DBCTL.bit.IN_MODE = DBB_ALL; //DBA_RED_DBB_FED DBB_RED_DBA_FED DBA_ALL
EPwm4Regs.DBCTL.bit.POLSEL = DB_ACTV_HIC; // DB_ACTV_LOC DB_ACTV_HIC
EPwm4Regs.DBCTL.bit.OUT_MODE = DB_FULL_ENABLE;
EPwm4Regs.DBRED = 60;
EPwm4Regs.DBFED = 60;
如果采样单电压环控制的话，PI运算后，怎么给EPWM3和EPWM4的CMPA和CMPB赋值呀？分别双极性和单极性的？
qiang wang4：
请问这个问题解决了吗？
单纯的不经过pi运算的CMPA CMPB算出来了吗
