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28379D demo板跑adc_ex2_soc_epwm例程ADC通道与结果寄存器不对应

您好,我在adc_ex2_soc_epwm例程上增加一路ADC通道,配置如下:

ADC_setupSOC(ADCA_BASE, ADC_SOC_NUMBER0, ADC_TRIGGER_EPWM1_SOCA,
ADC_CH_ADCIN0, 15);
ADC_setupSOC(ADCA_BASE,ADC_SOC_NUMBER3,ADC_TRIGGER_EPWM1_SOCA,
ADC_CH_ADCIN1,15);

其他没改,在ADCIN0上加电压1v,结果寄存器上result1和result3都有读数,且一致请问哪里还需要配置?

谢谢!

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