91 lines
2.4 KiB
C
91 lines
2.4 KiB
C
#include "../main/SystemInclude.h"
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/*
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采样流程说明：
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1.设置：SetSampleSiagnlForADC
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2.开始：StartADC0SampingData StartADC1SampingData StartADCSyncSampingData
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3.读取：IRQ ReadSamplingData
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4.计算：ComputeSampleData
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*/
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__Samp_Buf_TypeDef sampleData;
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void ADC0_IRQHandler(void)
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{
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if(LHL_ADC_GetPending(ADC_0, ADC_FLAG_RDY) == SET)
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{
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if(sampleData.SkipSampNum) sampleData.SkipSampNum -- ;
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ReadSamplingData(); //读取采样数据
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}
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}
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void ConversionTimerIRQ_Callback(void)
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{
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if(sampleData.SkipSampNum) sampleData.SkipSampNum -- ;
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ReadSamplingData(); //读取采样数据
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}
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void SetSampleSiagnlForADC(ADC_Config_TypeDef adc_cfg)
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{
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sampleData.adcConfig.Gain0 = adc_cfg.Gain0;
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sampleData.adcConfig.PChan0 = adc_cfg.PChan0;
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sampleData.adcConfig.NChan0 = adc_cfg.NChan0;
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sampleData.adcConfig.Gain1 = adc_cfg.Gain1;
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sampleData.adcConfig.PChan1 = adc_cfg.PChan1;
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sampleData.adcConfig.NChan1 = adc_cfg.NChan1;
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sampleData.adcConfig.SPS = adc_cfg.SPS;
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}
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//开始转换控制---------------------------------------------------------------
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void StartADC0SampingData(void)
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{
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sampleData.ADCBuffer[0]=0;
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sampleData.Counter=0;
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sampleData.SkipSampNum = 3 ;
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ADC0_Conversion_Init(sampleData.adcConfig);
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}
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void StartADC1SampingData(void)
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{
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sampleData.ADCBuffer[1]=0;
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sampleData.Counter=0;
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sampleData.SkipSampNum = 3 ;
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ADC1_Conversion_Init(sampleData.adcConfig);
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}
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void StartADCSyncSampingData(void)
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{
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sampleData.ADCBuffer[0]=0;
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sampleData.ADCBuffer[1]=0;
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sampleData.Counter=0;
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sampleData.SkipSampNum = 3 ;
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#if 1
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ADC0_1_SyncConversion_Init(sampleData.adcConfig);
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#else
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NVIC_DisableIRQ(ADC0_IRQn);
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StartConversionTimerInterval(1);//1ms 定时器中断读取adc转换数据
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Timer_register_irq_callback(ConversionTimer,ConversionTimerIRQ_Callback );//注册timer2中断回调函数
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#endif
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}
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void ReadSamplingData(void)//ADC中断读取采样数据 BPS
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{
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sampleData.ADCBuffer[0] += ADC_ReadSampleData(ADC_0); //多重采样累计
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sampleData.ADCBuffer[1] += ADC_ReadSampleData(ADC_1); //多重采样累计
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sampleData.Counter++; // 采样次数自增后判断是否采样结束
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// if(sampleData.Counter < sampleData.CounterMax) return;
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}
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void ComputeSampleData(void) //计算样本数据
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{
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StopADCConversion(ADC_0);
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StopADCConversion(ADC_1);
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if(sampleData.Counter != 0)//采集数量超过设置求平均
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{
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sampleData.ADCBuffer[0] /= (u32)sampleData.Counter;
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sampleData.ADCBuffer[1] /= (u32)sampleData.Counter;
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}
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}
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