ADC级联过采样模式中的测试程序为什么要这样写呢？
for (i=0; i<(BUF_SIZE/16); i++)
{
// Wait for int1
while (AdcRegs.ADCST.bit.INT_SEQ1== 0){}//等待本次序列结束
GpioDataRegs.GPASET.bit.GPIO0 = 1; // Set GPIO60 for monitoring -optional
AdcRegs.ADCST.bit.INT_SEQ1_CLR = 1; //清除中断信号
#if INLINE_SHIFT //当数据从结果寄存器中取出时的移动结果
SampleTable[array_index++]= ( (AdcRegs.ADCRESULT0)>>4);
SampleTable[array_index++]= ( (AdcRegs.ADCRESULT1)>>4);
SampleTable[array_index++]= ( (AdcRegs.ADCRESULT2)>>4);
SampleTable[array_index++]= ( (AdcRegs.ADCRESULT3)>>4);
SampleTable[array_index++]= ( (AdcRegs.ADCRESULT4)>>4);
SampleTable[array_index++]= ( (AdcRegs.ADCRESULT5)>>4);
SampleTable[array_index++]= ( (AdcRegs.ADCRESULT6)>>4);
SampleTable[array_index++]= ( (AdcRegs.ADCRESULT7)>>4);
#endif //-- INLINE_SHIFT
#if NO_SHIFT || POST_SHIFT
SampleTable[array_index++]= ( (AdcRegs.ADCRESULT0));
SampleTable[array_index++]= ( (AdcRegs.ADCRESULT1));
SampleTable[array_index++]= ( (AdcRegs.ADCRESULT2));
SampleTable[array_index++]= ( (AdcRegs.ADCRESULT3));
SampleTable[array_index++]= ( (AdcRegs.ADCRESULT4));
SampleTable[array_index++]= ( (AdcRegs.ADCRESULT5));
SampleTable[array_index++]= ( (AdcRegs.ADCRESULT6));
SampleTable[array_index++]= ( (AdcRegs.ADCRESULT7));
#endif //-- NO_SHIFT || POST_SHIFT
while (AdcRegs.ADCST.bit.INT_SEQ1== 0){}
GpioDataRegs.GPACLEAR.bit.GPIO0 = 1; // Clear GPIO0 for monitoring -optional
AdcRegs.ADCST.bit.INT_SEQ1_CLR = 1;
#if INLINE_SHIFT
SampleTable[array_index++]= ( (AdcRegs.ADCRESULT8)>>4);
SampleTable[array_index++]= ( (AdcRegs.ADCRESULT9)>>4);
SampleTable[array_index++]= ( (AdcRegs.ADCRESULT10)>>4);
SampleTable[array_index++]= ( (AdcRegs.ADCRESULT11)>>4);
SampleTable[array_index++]= ( (AdcRegs.ADCRESULT12)>>4);
SampleTable[array_index++]= ( (AdcRegs.ADCRESULT13)>>4);
SampleTable[array_index++]= ( (AdcRegs.ADCRESULT14)>>4);
SampleTable[array_index++]= ( (AdcRegs.ADCRESULT15)>>4);
#endif //-- INLINE_SHIFT
#if NO_SHIFT || POST_SHIFT
SampleTable[array_index++]= ( (AdcRegs.ADCRESULT8));
SampleTable[array_index++]= ( (AdcRegs.ADCRESULT9));
SampleTable[array_index++]= ( (AdcRegs.ADCRESULT10));
SampleTable[array_index++]= ( (AdcRegs.ADCRESULT11));
SampleTable[array_index++]= ( (AdcRegs.ADCRESULT12));
SampleTable[array_index++]= ( (AdcRegs.ADCRESULT13));
SampleTable[array_index++]= ( (AdcRegs.ADCRESULT14));
SampleTable[array_index++]= ( (AdcRegs.ADCRESULT15));
#endif // -- NO_SHIFT || POST_SHIFT
}
#if POST_SHIFT
// For post shifting, shift the ADC results
// in the SampleTable buffer after the buffer is full.
for (i=0; i<BUF_SIZE; i++)
{
SampleTable[i] = ((SampleTable[i]) >>4);
} |
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