132 lines
3.3 KiB
C
132 lines
3.3 KiB
C
#include "laser.h"
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#include "algo_Laser.h"
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#include "stdio.h"
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#include "string.h"
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#include "bsp_DriveWave.h"
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#include "bsp_ADS8864.h"
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#include "dsp_Demod.h"
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#include "wk_usart.h"
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#include "algo_Calib.h"
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#include "algo_Filter.h"
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#include "GasData.h"
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#include "proto_Transform.h"
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/*采集次数 为2的指数倍，方便求平均*/
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#define LASER_SAMPLE_LSH (3U)
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#define LASER_SAMPLE_NUM (8)
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/*采集到的波形*/
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static u32 Laser_WaveSample[DRIVEWAVE_VALID_NUM];
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static void Laser_Task(void);
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static void Laser_WaveIO_Int(void);
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static void Laser_Init(void);
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Laser_t Laser =
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{
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.pWaveSample = Laser_WaveSample,
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.Init = Laser_Init,
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.WaveIO_Int = Laser_WaveIO_Int,
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.Task = Laser_Task,
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};
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/*开始采样*/
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void Laser_Sample_Start(void)
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{
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tmr_counter_value_set(TMR1,0);
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tmr_interrupt_enable(TMR1,TMR_OVF_INT,TRUE);
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tmr_counter_enable(TMR1,TRUE);
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}
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static void Laser_Init(void)
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{
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Laser_Sample_Start();
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}
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/*停止采样*/
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void Laser_Sample_Stop(void)
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{
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tmr_counter_enable(TMR1,FALSE);
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tmr_interrupt_enable(TMR1,TMR_OVF_INT,FALSE);
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}
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static void Laser_Task(void)
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{
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/*采集完成*/
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if(DriveWave.DriveCount >= LASER_SAMPLE_NUM)
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{
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u16 i;
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float x;
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/*数据滤波*/
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for(i=0;i<DRIVEWAVE_VALID_NUM;i++)
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{
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Laser_WaveSample[i] >>= LASER_SAMPLE_LSH;
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Demod.inWave[i] = Laser_WaveSample[i];
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}
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/*信号解调处理*/
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Demod.Task();
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/*二次谐波相关参数计算*/
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LaserSensor.Calculate();
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/*数据滤波*/
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GasData.Gas_1.R_AD = LaserSensor.SHG.PP_Ori;
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GasData.Gas_1.R_AD_Cal = LaserSensor.SHG.PP_CalLight;
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LaserSensor.SHG.PP_MeasurAvg = FilterMeasur.FastFilter(&FilterMeasur,LaserSensor.SHG.PP_CalLight);
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GasData.Gas_1.Measur_AD = LaserSensor.SHG.PP_MeasurAvg;
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LaserSensor.SHG.PP_CalibAvg = FilterCalib.FastFilter(&FilterCalib,LaserSensor.SHG.PP_CalLight);
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GasData.Gas_1.Cali_AD = LaserSensor.SHG.PP_CalibAvg;
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/*浓度计算*/
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x = LaserSensor.SHG.PP_CalLight;
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GasData.Gas_1.R_Value = Calib.FacCalibCoeff[3] * x * x * x + Calib.FacCalibCoeff[2] * x * x + Calib.FacCalibCoeff[1] * x + Calib.FacCalibCoeff[0];
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x = LaserSensor.SHG.PP_MeasurAvg;
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GasData.Gas_1.Fac_Value = Calib.FacCalibCoeff[3] * x * x * x + Calib.FacCalibCoeff[2] * x * x + Calib.FacCalibCoeff[1] * x + Calib.FacCalibCoeff[0];
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x = GasData.Gas_1.Fac_Value;
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GasData.Gas_1.Usr_Value = Calib.UsrCalibCoeff[0] * (x + Calib.UsrCalibCoeff[1]);
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GasData.Task();
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proto_Transform_Task();
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memset(Laser_WaveSample,0,sizeof(Laser_WaveSample));
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/*数据解调完成，开始采样*/
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DriveWave.DriveCount = 0;
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Laser_Sample_Start();
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}
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}
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/*探测器采样、驱动波形输出、放入80k中断*/
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static void Laser_WaveIO_Int(void)
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{
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static u16 AD_index;
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u16 AD;
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DriveWave.DacOut(AD_index);
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if(AD_index < DRIVEWAVE_VALID_NUM)
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{
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AD = ADS8864.ADRead();
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Laser_WaveSample[AD_index] += AD;
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}
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if(DRIVEWAVE_NUM - 1 == AD_index)
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{
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AD_index = 0;
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DriveWave.DriveCount++;
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if(DriveWave.DriveCount >= LASER_SAMPLE_NUM)
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{
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/*停止采样*/
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Laser_Sample_Stop();
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}
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}
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else
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{
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AD_index++;
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}
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}
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