请教28035 AD 顺序采样

2万 · 2020-11-5 09:50

28035，开发板示例代码采用同步采样方式，我改成顺序采样，结果不进入中断服务子程序，这个问题已经折磨我好几天了，请大神们看一下。代码如下：
void Motor_ADC_Config(void)
{

InitAdc();  // For this example, init the ADC

EALLOW;  // This is needed to write to EALLOW protected register
PieVectTable.ADCINT1 = &adc_isr;
EDIS; // This is needed to disable write to EALLOW protected registers

PieCtrlRegs.PIEIER1.bit.INTx1 = 1;       // Enable INT 1.1 in the PIE
IER |= M_INT1;                                              // Enable CPU Interrupt 1

// Configure ADC
      EALLOW;
      AdcRegs.ADCCTL1.bit.ADCREFSEL       = 0; //REF Int
      AdcRegs.ADCCTL1.bit.INTPULSEPOS       = 1;       //ADCINT1 trips after AdcResults latch
      AdcRegs.INTSEL1N2.bit.INT1E    = 1;       //Enabled ADCINT1
      AdcRegs.INTSEL1N2.bit.INT1CONT  = 0;       //Disable ADCINT1 Continuous mode，single conversion mode

      AdcRegs.INTSEL1N2.bit.INT1SEL       = 1;       //setup EOC1 to trigger ADCINT1 to fire , EOC1 is trigger for ADCINTx

//Sequential sampling enable for SOC0/SOC1
      AdcRegs.ADCSAMPLEMODE.bit.SIMULEN0 = 0;       //SOC0/1 Sequential Sampling Enable       ,SOC0与SOC1独立工作
      AdcRegs.ADCSOC0CTL.bit.CHSEL       = 0;       //SOC0 ，配置模拟通道连接
      AdcRegs.ADCSOC1CTL.bit.CHSEL       = 8;       //SOC1 ，配置模拟通道连接

      //AdcRegs.ADCSAMPLEMODE.bit.SIMULEN0=1;       //SOC0与SOC1
      //AdcRegs.ADCSOC0CTL.bit.CHSEL       = 0;       //SOC0 ，配置模拟通道连接
      //AdcRegs.ADCSOC1CTL.bit.CHSEL       = 1;       //SOC1 ，配置模拟通道连接

      AdcRegs.ADCSOC0CTL.bit.TRIGSEL       = 0x00; //ADCTRIG0- Software only
      AdcRegs.ADCSOC1CTL.bit.TRIGSEL       = 0x00;

      AdcRegs.ADCSOC0CTL.bit.ACQPS       = 6;
      AdcRegs.ADCSOC1CTL.bit.ACQPS       = 6;       //set SOC0 S/H Window to 7 ADC Clock Cycles, (6 ACQPS plus 1)

      EDIS;
}

//-------------------------------------------------------------------------
//AD 中断处理函数
//
//##########################################################################
interrupt void  adc_isr(void)
{
      EALLOW;
      PieCtrlRegs.PIEACK.all = PIEACK_GROUP1; // Acknowledge interrupt to PIE
      EDIS;

      AdcRegs.ADCINT**CLR.bit.ADCINT1 = 1;             //Clear ADCINT1 flag reinitialize for next SOC
}