TMS320F280049 ADC采样配置

我想在运行过程中反复切换ADC采样的触发源，配置的原理是这样的：

SOCA和AOCB分别用EPWM1的COMPB减计数和增计数相等时触发，COPMB配置为影子模式，周期和下溢点更新，在增计数时用SOCB触发ADCA，ADCB和ADCC三个模块采样，减计数时用SOCA触发ADCA，ADCB和ADCC三个模块采样，在周期和下溢都执行的PWM中断中改变COMPB的值和触发方式。PWM模块增减计数，使能周期和下溢中断.

现在问题是，ADCC模块一直在采样，ADCA和ADCB模块不采样。下面是我的配置，请帮忙查看。谢谢。

配置代码// Disable SOCAEPWM_disableADCTrigger(EPWM1_BASE, EPWM_SOC_A);EPWM_setADCTriggerSource(EPWM1_BASE,EPWM_SOC_A,EPWM_SOC_TBCTR_D_CMPB);EPWM_setADCTriggerEventPrescale(EPWM1_BASE,EPWM_SOC_A,1);EPWM_enableADCTrigger(EPWM1_BASE,EPWM_SOC_A);// Disable SOCBEPWM_disableADCTrigger(EPWM1_BASE, EPWM_SOC_B);EPWM_setADCTriggerSource(EPWM1_BASE,EPWM_SOC_B,EPWM_SOC_TBCTR_U_CMPB);EPWM_setADCTriggerEventPrescale(EPWM1_BASE,EPWM_SOC_B,1);EPWM_enableADCTrigger(EPWM1_BASE,EPWM_SOC_B);

void InitADCSOC(void)
{// Configure SOC of ADCA/ADCB/ADCC, The EPWM1SOCA signal will be the trigger.ADC_setupSOC(ADCA_BASE, ADC_SOC_NUMBER0, ADC_TRIGGER_EPWM1_SOCA,ADC_CH_ADCIN10, 10U);ADC_setupSOC(ADCA_BASE, ADC_SOC_NUMBER1, ADC_TRIGGER_EPWM1_SOCA,ADC_CH_ADCIN3, 10U);ADC_setupSOC(ADCA_BASE, ADC_SOC_NUMBER2, ADC_TRIGGER_EPWM1_SOCA,ADC_CH_ADCIN0, 10U);ADC_setupSOC(ADCA_BASE, ADC_SOC_NUMBER3, ADC_TRIGGER_EPWM1_SOCA,ADC_CH_ADCIN6, 10U);ADC_setupSOC(ADCA_BASE, ADC_SOC_NUMBER4, ADC_TRIGGER_EPWM1_SOCA,ADC_CH_ADCIN8, 10U);ADC_setupSOC(ADCB_BASE, ADC_SOC_NUMBER0, ADC_TRIGGER_EPWM1_SOCA,ADC_CH_ADCIN0, 10U);ADC_setupSOC(ADCC_BASE, ADC_SOC_NUMBER0, ADC_TRIGGER_EPWM1_SOCA,ADC_CH_ADCIN14, 10U);ADC_setupSOC(ADCC_BASE, ADC_SOC_NUMBER1, ADC_TRIGGER_EPWM1_SOCA,ADC_CH_ADCIN0, 10U);ADC_setupSOC(ADCC_BASE, ADC_SOC_NUMBER2, ADC_TRIGGER_EPWM1_SOCA,ADC_CH_ADCIN1, 10U);ADC_setupSOC(ADCC_BASE, ADC_SOC_NUMBER3, ADC_TRIGGER_EPWM1_SOCA,ADC_CH_ADCIN2, 10U);ADC_setupSOC(ADCC_BASE, ADC_SOC_NUMBER4, ADC_TRIGGER_EPWM1_SOCA,ADC_CH_ADCIN3, 10U);ADC_setupSOC(ADCC_BASE, ADC_SOC_NUMBER5, ADC_TRIGGER_EPWM1_SOCA,ADC_CH_ADCIN5, 10U);// Set SOC5 to set the interrupt 1 flag. Enable the interrupt and make sure its flag is cleared.ADC_setInterruptSource(ADCC_BASE, ADC_INT_NUMBER1, ADC_SOC_NUMBER5);ADC_enableInterrupt(ADCC_BASE, ADC_INT_NUMBER1);ADC_clearInterruptStatus(ADCC_BASE, ADC_INT_NUMBER1);
}


interrupt void EPWM1TBIsr(void)
{
if((*gEPwmURegs).TBSTS.bit.CTRDIR == 1)
{EALLOW;
(*gEPwmURegs).CMPB.bit.CMPB = (*gEPwmURegs).TBPRD - ADC_SAMP_DELAY;EDIS;ADC_setupSOC(ADCA_BASE, ADC_SOC_NUMBER0, ADC_TRIGGER_EPWM1_SOCA,ADC_CH_ADCIN10, 10U);ADC_setupSOC(ADCA_BASE, ADC_SOC_NUMBER1, ADC_TRIGGER_EPWM1_SOCA,ADC_CH_ADCIN3, 10U);ADC_setupSOC(ADCA_BASE, ADC_SOC_NUMBER2, ADC_TRIGGER_EPWM1_SOCA,ADC_CH_ADCIN0, 10U);ADC_setupSOC(ADCA_BASE, ADC_SOC_NUMBER3, ADC_TRIGGER_EPWM1_SOCA,ADC_CH_ADCIN6, 10U);ADC_setupSOC(ADCA_BASE, ADC_SOC_NUMBER4, ADC_TRIGGER_EPWM1_SOCA,ADC_CH_ADCIN8, 10U);ADC_setupSOC(ADCB_BASE, ADC_SOC_NUMBER0, ADC_TRIGGER_EPWM1_SOCA,ADC_CH_ADCIN0, 10U);ADC_setupSOC(ADCC_BASE, ADC_SOC_NUMBER0, ADC_TRIGGER_EPWM1_SOCA,ADC_CH_ADCIN14, 10U);ADC_setupSOC(ADCC_BASE, ADC_SOC_NUMBER1, ADC_TRIGGER_EPWM1_SOCA,ADC_CH_ADCIN0, 10U);ADC_setupSOC(ADCC_BASE, ADC_SOC_NUMBER2, ADC_TRIGGER_EPWM1_SOCA,ADC_CH_ADCIN1, 10U);ADC_setupSOC(ADCC_BASE, ADC_SOC_NUMBER3, ADC_TRIGGER_EPWM1_SOCA,ADC_CH_ADCIN2, 10U);ADC_setupSOC(ADCC_BASE, ADC_SOC_NUMBER4, ADC_TRIGGER_EPWM1_SOCA,ADC_CH_ADCIN3, 10U);ADC_setupSOC(ADCC_BASE, ADC_SOC_NUMBER5, ADC_TRIGGER_EPWM1_SOCA,ADC_CH_ADCIN5, 10U);}else{EALLOW;
(*gEPwmURegs).CMPB.bit.CMPB = ADC_SAMP_DELAY;EDIS;ADC_setupSOC(ADCA_BASE, ADC_SOC_NUMBER0, ADC_TRIGGER_EPWM1_SOCB,ADC_CH_ADCIN10, 10U);ADC_setupSOC(ADCA_BASE, ADC_SOC_NUMBER1, ADC_TRIGGER_EPWM1_SOCB,ADC_CH_ADCIN3, 10U);ADC_setupSOC(ADCA_BASE, ADC_SOC_NUMBER2, ADC_TRIGGER_EPWM1_SOCB,ADC_CH_ADCIN0, 10U);ADC_setupSOC(ADCA_BASE, ADC_SOC_NUMBER3, ADC_TRIGGER_EPWM1_SOCB,ADC_CH_ADCIN6, 10U);ADC_setupSOC(ADCA_BASE, ADC_SOC_NUMBER4, ADC_TRIGGER_EPWM1_SOCB,ADC_CH_ADCIN8, 10U);ADC_setupSOC(ADCB_BASE, ADC_SOC_NUMBER0, ADC_TRIGGER_EPWM1_SOCB,ADC_CH_ADCIN0, 10U);ADC_setupSOC(ADCC_BASE, ADC_SOC_NUMBER0, ADC_TRIGGER_EPWM1_SOCB,ADC_CH_ADCIN14, 10U);ADC_setupSOC(ADCC_BASE, ADC_SOC_NUMBER1, ADC_TRIGGER_EPWM1_SOCB,ADC_CH_ADCIN0, 10U);ADC_setupSOC(ADCC_BASE, ADC_SOC_NUMBER2, ADC_TRIGGER_EPWM1_SOCB,ADC_CH_ADCIN1, 10U);ADC_setupSOC(ADCC_BASE, ADC_SOC_NUMBER3, ADC_TRIGGER_EPWM1_SOCB,ADC_CH_ADCIN2, 10U);ADC_setupSOC(ADCC_BASE, ADC_SOC_NUMBER4, ADC_TRIGGER_EPWM1_SOCB,ADC_CH_ADCIN3, 10U);ADC_setupSOC(ADCC_BASE, ADC_SOC_NUMBER5, ADC_TRIGGER_EPWM1_SOCB,ADC_CH_ADCIN5, 10U);}// Clear INT flag for this timerEPWM_clearEventTriggerInterruptFlag(EPWM1_BASE);// Acknowledge interrupt groupInterrupt_clearACKGroup(INTERRUPT_ACK_GROUP3);
}

Annie Liu：

为更加有效地解决您的问题，我们建议您将问题发布在E2E英文技术论坛上https://e2e.ti.com/support/microcontrollers/c2000/f/171，将由资深的工程师为您提供帮助。我们的E2E英文社区有TI专家进行回复，并得到全球各地工程师的支持，分享他们的知识和经验。

user4310360：

您好，目前我的是ADCA可以讀取 但是其他的無法，請問您的問題找到答案了嗎？
求解！感謝！