317 lines
9.6 KiB
C
317 lines
9.6 KiB
C
#include "../main/SystemInclude.h"
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#if(DP1703COREV10)
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__SAMPLE_STATUS_BIT_TypeDef sampleState;
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u16 offsetRType, offsetGCFX;
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TypeSample sampleData;
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u16 processNextTime, processIndex;
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u16 voltageDetected[ANX], adcGain;
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volatile u32 sleeptime ,flag_sleep;
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//主定时器中断,程序从此进入周期--------------------------------------------------------------
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void SHAL_LPTIMER0_IRQ_Callback(LPTIM_TypeDef *lptimer, uint16_t irq_type)
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{
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LPTIM_ClearITPendingBit(lptimer,irq_type);//清楚中断标志位
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StartNormolFlowMeasurement();//每个大周期重置全部信号的采样
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sleeptime++;
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if (sleeptime ==20 || sleeptime ==21){flag_sleep = 1 ;}//sleeptime = 0 ;
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if (sleeptime >40 )TOGGLE_PIN(pGPIO1, GPIO_Pin_7);
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}
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/*==========================================================================================
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//外部传感器设备
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==========================================================================================*/
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void TestTemperatureInit(void)//温度测试初始化
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{
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WriteWordRegister(CONFIG, CONVERSION);
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WriteByteRegister(RREG, RESULT_0_25_BIT);
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HWState.EnableTempInit = 0;
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}
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u32 tempLongInt;
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void TestTemperature(void)//温度测试/测量，获取TPCB
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{
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if(!HWState.EnableTempTest) return;
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if(HWState.EnableTempInit) return;
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voltageDetected[TPCB] = ReadWordRegister(TA);//获取传感器原始值
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WriteWordRegister(CONFIG, SHUT_DOWN);//温度传感器禁用
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voltageDetected[TPCB] &= 0x1fff;
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tempLongInt = (u32)(voltageDetected[TPCB] & 0xFFF);
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if(voltageDetected[TPCB] >= 0x1000) tempLongInt = 0xFFF - tempLongInt;
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tempLongInt *= 6400; // 0.0625*1024*100
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tempLongInt >>= 10; // /1024
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PCBTemperature = (u16)tempLongInt; // Temperature*100
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voltageDetected[TPCB] =PCBTemperature;
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__NOP();
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}
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/*==========================================================================================
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//数据采样
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==========================================================================================*/
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/*********************************************************************/
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//采样数据处理阶段
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/*********************************************************************/
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void FlowRateDealAndOuputSub(void)
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{
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ComputeFlowRateIndexAndFlowRate();//计算内码 转换成流量
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TestTemperature();//计算PCB温度
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}
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void ComputeFlowRateIndexAndFlowRate(void)
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{
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voltageDetected[NIDX ]= (u16)sampleData.TCode[CTCode]; ///gain=32 VDU
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voltageDetected[VRHX ]= (u16)sampleData.TCode[HTCode]; ///gain=128 VDU
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voltageDetected[IVHDX]= (u16)sampleData.TCode[RTCode]; ///gain=1 VRH
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voltageDetected[RHVOL]= (u16)sampleData.TCode[ATCode]; ///gain=8 VRR
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voltageDetected[VDUGX]= (u16)sampleData.TCode[BTCode]; ///gain=8 VIH
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//voltageDetected[FRIDX]=voltageDetected[NIDX]- offsetGas;
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//判断气体类型
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//1---根据VRH原始值判断
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// if(voltageDetected[IVHDX]<56000) voltageDetected[FRIDX]=voltageDetected[NIDX ]- offsetAir; //Air
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// else voltageDetected[FRIDX]=voltageDetected[VRHX ]- offsetAir; //H2
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if(offsetAir)voltageDetected[FRIDX]=voltageDetected[NIDX ]- offsetGas; //Air
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else voltageDetected[FRIDX]=voltageDetected[VRHX ]- offsetGas; //H2
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currentFlowRate = GetFlowRate(voltageDetected[FRIDX],CURVE_1ST);
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// flowRateH
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// flowRateL
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voltageDetected[FR_H] = currentFlowRate >> 16;
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voltageDetected[FR_L] = currentFlowRate&0xFFFF;
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// voltageDetected[VDUGX]= AirflowSensor_Read();
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// voltageDetected[TPCB]= (u16)(Get_AirflowSensor_SCCM());
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}
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u16 WordSubFunction(u16 minuend, u16 subtractor)
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{
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u16 subResult;
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subResult = minuend - subtractor;
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if(minuend >= subtractor)
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{
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if(subResult < 32768) subResult += 32768;
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else subResult = 65535;
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}
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else
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{
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if(subResult < 32768) subResult = 0;
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else subResult -= 32768;
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}
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return subResult;
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}
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/********************************************************************/
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//采样阶段
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/********************************************************************/
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//采样中断
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void SHAL_SamplingTime_IRQ_Callback(TIMER_TypeDef *timer, uint16_t irq_type)
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{
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TIM_ClearITPendingBit(timer, irq_type);//清除中断标志 FlowProcessManagement();
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if (irq_type & TIM_IT_Update) {// 处理更新中断
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}
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if (irq_type & TIM_IT_CC1) { // 处理比较中断
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FlowProcessManagement();
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}
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}
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void StartNormolFlowMeasurement(void)//开始常规流量测量
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{
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// ManagePrimaryProcess();//主进程
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ADC0_1_StopSYNC_Conversion();
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HWState.SampledOver = 0;//采样结束标志重置
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StartSamplingTimeInterval(32768); //启动比较定时器,开始从0递增计数
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SHAL_timer_register_irq_callback(SamplingTIM,SHAL_SamplingTime_IRQ_Callback );//注册中断回调函数
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processIndex = 0; //
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processNextTime = 0;
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FlowProcessManagement();//周期开始首次运行
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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_ReadData(ADC0); //多重采样累计
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sampleData.ADCBuffer[1] += ADC_ReadData(ADC1); //多重采样累计
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// TOGGLE_PIN(pGPIO0, GPIO_Pin_5);//TEST PIN
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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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ADC0_1_StopSYNC_Conversion();
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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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void SetSystemForADCSample(u16 SampleSiagnl)//设置采样通道与采样次数
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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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switch(SampleSiagnl)
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{
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case SIGNAL0: {
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ADC0_1_StartSYNC_Conversion( GAIN_32, ADC0_PCHAN_AIN0, ADC0_NCHAN_AIN1, //CTCODE
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GAIN_1, ADC1_PCHAN_AIN2, ADC1_NCHAN_AVSS); //RTCODE
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}break;
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case SIGNAL1: {
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ADC0_1_StartSYNC_Conversion( GAIN_128, ADC0_PCHAN_AIN0, ADC0_NCHAN_AIN1, //HTCODE
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GAIN_1, ADC1_PCHAN_AIN3, ADC1_NCHAN_AIN4); //ATCODE
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}break;
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case SIGNAL2: {
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ADC0_1_StartSYNC_Conversion( GAIN_32, ADC0_PCHAN_AIN0, ADC0_NCHAN_AIN1, //CTCODE
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GAIN_8, ADC1_PCHAN_AIN5, ADC1_NCHAN_AIN4); //BTCODE
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}break;
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case SIGNAL3: {
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ADC0_1_StartSYNC_Conversion( GAIN_128, ADC0_PCHAN_AIN0, ADC0_NCHAN_AIN1, //HTCODE
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GAIN_1, ADC1_PCHAN_AIN2, ADC1_NCHAN_AVSS); //RTCODE
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}break;
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case SIGNAL4: {
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ADC0_1_StartSYNC_Conversion( GAIN_32, ADC0_PCHAN_AIN0, ADC0_NCHAN_AIN1, //CTCODE
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GAIN_1, ADC1_PCHAN_AIN3, ADC1_NCHAN_AIN4); //ATCODE
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}break;
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case SIGNAL5: {
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ADC0_1_StartSYNC_Conversion( GAIN_128, ADC0_PCHAN_AIN0, ADC0_NCHAN_AIN1, //HTCODE
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GAIN_8, ADC1_PCHAN_AIN5, ADC1_NCHAN_AIN4); //BTCODE
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}break;
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}
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}
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void SetNextProcess(void)//设置采样定时器的下一个进程
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{
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if(processIndex == 0){
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StopSamplingTimeInterval();//关闭采集时钟
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return;
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}
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u32 currentTAR;
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currentTAR = (u32)GetSamplingTimeCounter();//定时器当前计数值
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if(currentTAR > processNextTime) processNextTime = currentTAR + 5;
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ResetSamplingTimeInterval(processNextTime);
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}
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void FlowProcessManagement(void)//采样过程管理
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{
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switch(processIndex)
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{
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case 0:
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{
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HWState.SampledOver = 0;//采样开始
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SetSystemForADCSample(SIGNAL0);//开始采集SIGNAL0
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processNextTime += 655; //20ms 计数值=65535/4000*t =
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processIndex = 1;
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}break;
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case 1:
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{
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ComputeSampleData(); //计算样本数据
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sampleData.TCode[CTCode] = sampleData.ADCBuffer[0];//放入缓存
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sampleData.TCode[RTCode] = sampleData.ADCBuffer[1];//放入缓存
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SetSystemForADCSample(SIGNAL1);//开始采集SIGNAL1
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processNextTime += 655;//20ms
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processIndex = 2;
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}break;
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case 2:
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{
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ComputeSampleData(); //计算样本数据
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sampleData.TCode[HTCode] = sampleData.ADCBuffer[0];//放入缓存
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sampleData.TCode[ATCode] = sampleData.ADCBuffer[1];//放入缓存
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SetSystemForADCSample(SIGNAL2);//开始采集SIGNAL1
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processNextTime += 655;//20ms
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processIndex = 3;
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}break;
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case 3:
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{
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ComputeSampleData(); //计算样本数据
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sampleData.TCode[CTCode] += sampleData.ADCBuffer[0];//放入缓存
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sampleData.TCode[BTCode] = sampleData.ADCBuffer[1];//放入缓存
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SetSystemForADCSample(SIGNAL3);//开始采集SIGNAL1
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processNextTime += 655;//20ms
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processIndex = 4;
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}break;
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case 4:
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{
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ComputeSampleData(); //计算样本数据
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sampleData.TCode[HTCode] += sampleData.ADCBuffer[0];//放入缓存
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sampleData.TCode[RTCode] += sampleData.ADCBuffer[1];//放入缓存
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SetSystemForADCSample(SIGNAL4);//开始采集SIGNAL1
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processNextTime += 655;//20ms
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processIndex = 5;
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}break;
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case 5:
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{
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ComputeSampleData(); //计算样本数据
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sampleData.TCode[CTCode] += sampleData.ADCBuffer[0];//放入缓存
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sampleData.TCode[ATCode] += sampleData.ADCBuffer[1];//放入缓存
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SetSystemForADCSample(SIGNAL5);//开始采集SIGNAL1
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processNextTime += 655;//20ms
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processIndex = 6;
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}break;
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case 6:
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{
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ComputeSampleData(); //计算样本数据
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sampleData.TCode[HTCode] += sampleData.ADCBuffer[0];//放入缓存
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sampleData.TCode[BTCode] += sampleData.ADCBuffer[1];//放入缓存
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sampleData.TCode[CTCode] /= 3 ;//gain=32 VDU
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sampleData.TCode[HTCode] /= 3 ;//gain=128 VDU
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sampleData.TCode[RTCode] /= 2 ;//gain=1 VRH
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sampleData.TCode[ATCode] /= 2 ;//gain=8 VRR
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sampleData.TCode[BTCode] /= 2 ;//gain=8 VIH
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HWState.SampledOver = 1; //采样结束
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StopSamplingTimeInterval();//关闭采集时钟
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processIndex = 7;
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}break;
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default : processIndex = 0; break;
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}
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SetNextProcess();
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}
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#endif |