Mise à jour de l'objet MeasureUnit permettant de calculer et de retourner un tableau de temperature

This commit is contained in:
anschrammh 2020-01-09 23:22:28 +01:00
parent a0bf6de46d
commit 9c7ca05f68
3 changed files with 55 additions and 69 deletions

View File

@ -1,10 +1,11 @@
#include "MeasureUnit.h"
//#define DEBUG
MeasureUnit::MeasureUnit(uint8_t *analogInput,
uint16_t thermistorCount,
uint64_t precResistor,
ThermistorSetting thermistorSetting,
AdcSetting adcSetting) : _analogInput(analogInput), _thermistorCount(thermistorCount), _precResistor(precResistor), _thermistorSetting(thermistorSetting), _adcSetting(adcSetting), _globalOffset(0), _error(OK)
Adc &adc) : _analogInput(analogInput), _thermistorCount(thermistorCount), _precResistor(precResistor), _thermistorSetting(thermistorSetting), _adc(adc), _globalOffset(0), _error(OK)
{
//Allocation dynamique des différent tableaux
_temperatures = (double*) calloc(_thermistorCount, sizeof(double));
@ -22,6 +23,9 @@ AdcSetting adcSetting) : _analogInput(analogInput), _thermistorCount(thermistorC
_rOffsetMap = NULL;
_resistanceMap = NULL;
}
//We start the comm with the adcs
_adc.begin();
}
MeasureUnit::~MeasureUnit()
@ -44,75 +48,33 @@ double *MeasureUnit::getTemperatures()
#ifdef DEBUG
Serial.println("-------------");
#endif
for(int i(0); i < /*_adcSetting.getMeasureIteration()*/2500; i++)
{
delay(/*_adcSetting.getDelayBetweenIteration()*/2);
unsigned int sample = analogRead(_analogInput[0]);
rPrecTension += sample;
#ifdef DEBUG
Serial.print("Adc value : ");Serial.println(sample);
#endif
}
rPrecTension = _adc.sampleVoltage(0);
#ifdef DEBUG
Serial.println("-------------");
Serial.print("R prec voltage mV : ");Serial.println(rPrecTension,6);
#endif
rPrecTension /= 2500;//_adcSetting.getMeasureIteration();
#ifdef DEBUG
Serial.print("Adc value average : ");Serial.println(rPrecTension);
#endif
rPrecTension *= _adcSetting.getQuantum();
#ifdef DEBUG
char buffer[10] = "";
sprintf(buffer,"%.8f", rPrecTension);
Serial.print("R prec voltage : ");Serial.println(buffer);
#endif
courant = rPrecTension / (double) _precResistor;
//#ifdef DEBUG
char buffer[10] = "";
sprintf(buffer,"%.8f", courant);
Serial.print("R prec current : ");Serial.println(buffer);
//#endif
#ifdef DEBUG
Serial.print("R prec current mA : ");Serial.println(courant,6);
#endif
//2) Nous calculons le delta de tensions pour chaque thermistances
for(int i(1); i < _thermistorCount; i++)
{
_resistanceMap[i-1] = 0;
for(int j(0); j < _adcSetting.getMeasureIteration(); j++)
{
delay(_adcSetting.getDelayBetweenIteration());
int sample = analogRead(_analogInput[i]);
_resistanceMap[i-1] += sample;
}
_resistanceMap[i-1] /= _adcSetting.getMeasureIteration();
_resistanceMap[i-1] *= _adcSetting.getQuantum();
/*if(i == 1)
_resistanceMap[i-1] -= rPrecTension;
else
_resistanceMap[i-1] -= _resistanceMap[i-2];*/
/*#ifdef DEBUG
Serial.print("Debug voltage delta : ");Serial.println(_resistanceMap[i-1]);
#endif*/
{
_resistanceMap[i-1] = _adc.sampleVoltage(_analogInput[i]);
#ifdef DEBUG
Serial.print("Voltage steps ");Serial.print(i-1);Serial.print(" : ");Serial.println(_resistanceMap[i-1]);
#endif
}
_resistanceMap[7] = _adcSetting.getVref();
_resistanceMap[7] = _adc.getAdcSetting().getVref();
#ifdef DEBUG
Serial.print("Voltage steps 7 : ");Serial.println(_resistanceMap[7]);
#endif
for(int i(_thermistorCount-1); i > 0; i--)
{
#ifdef DEBUG
Serial.print("Debug voltage level ");Serial.print(i);Serial.print(" : ");Serial.println(_resistanceMap[i]);
#endif
//Calcule de delta :
_resistanceMap[i] -= _resistanceMap[i-1];
#ifdef DEBUG
@ -123,6 +85,7 @@ double *MeasureUnit::getTemperatures()
for(int i(0); i < _thermistorCount; i++)
{
//3) Nous en déduisons la résistance
//Serial.print("Resistance ");Serial.print(i);Serial.print(" ");Serial.println(_resistanceMap[i]);
_resistanceMap[i] /= courant;
//4) Nous en déduisons la temperature
_temperatures[i] = computeTemperature(_thermistorSetting.getBeta(), _resistanceMap[i], _thermistorSetting.getRat25());
@ -156,7 +119,14 @@ double MeasureUnit::getGlobalTempOffset()
void MeasureUnit::levelTemperaturesOff()
{
double averageTemp(0);
//We reset the offset
for(int i(0); i < _thermistorCount; i++)
{
_rOffsetMap[i] = 0;
}
getTemperatures();
for(int i(0); i < _thermistorCount; i++)
{
averageTemp += _temperatures[i];

View File

@ -1,6 +1,6 @@
#ifndef MEASUREUNIT_H
#define MEASUREUNIT_H
#include "AdcSetting.h"
#include "Ads1115.h"
#include "ThermistorSetting.h"
//#define DEBUG_TEMP
@ -9,7 +9,7 @@ class MeasureUnit
{
public:
enum ERROR {OK = 0, MALLOC_ERR = 1};
MeasureUnit(uint8_t *analogInput, uint16_t thermistorCount, uint64_t precResistor, ThermistorSetting thermistorSetting, AdcSetting adcSetting);
MeasureUnit(uint8_t *analogInput, uint16_t thermistorCount, uint64_t precResistor, ThermistorSetting thermistorSetting, Adc &adc);
~MeasureUnit();
void setGlobalTempOffset(double offset);
void levelTemperaturesOff();
@ -32,7 +32,7 @@ class MeasureUnit
uint64_t _precResistor;
ERROR _error;
AdcSetting _adcSetting;
Adc &_adc;
ThermistorSetting _thermistorSetting;
};

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@ -7,21 +7,27 @@
*/
#include "MeasureUnit.h"
#include "Ads1115.h"
uint8_t analogInput[] = {PA0,PA1,PA2,PA3,PA4,PA5,PA6,PA7};
uint8_t analogInput[] = {0,1,2,3,4,5,6,7};
double *tempArray = NULL;
ThermistorSetting thermistorSetting(4050, 47000);
AdcSetting adcSetting(3.3, 12, 310, 3);
ThermistorSetting thermistorSetting(3380, 10000);
//AdcSetting adcSetting(3300.0, 12, 310, 3);
AdcSetting adcSetting(3340.0, 15, 6, 10);
MeasureUnit measureUnit(analogInput, 8, 1000, thermistorSetting, adcSetting);
Ads1115 adc;
MeasureUnit measureUnit(analogInput, 8, 990, thermistorSetting, adc);
boolean data(false);
void setup() {
// put your setup code here, to run once:
Serial.begin(115200);
delay(5000);
delay(1000);
Serial.println("Start setup");
adc.setAdcSetting(adcSetting);
//measureUnit.setGlobalTempOffset(-17);
Serial.println("End setup");
Serial.println("| T1 | T2 | T3 | T4 | T5 | T6 | T7 | T8 |");
@ -39,11 +45,11 @@ void loop() {
{
if(i != 7)
{
Serial.print(" ");Serial.print(tempArray[i]);Serial.print(" |");
Serial.print(" ");Serial.print(tempArray[i],2);Serial.print(" |");
}
else
{
Serial.print(" ");Serial.print(tempArray[i]);Serial.println(" |");
Serial.print(" ");Serial.print(tempArray[i],2);Serial.println(" |");
}
}
@ -54,6 +60,16 @@ void loop() {
measureUnit.levelTemperaturesOff();
Serial.println("********************End calibration********************");
}
if(Serial.available())
{
if(Serial.read() == 'c')
{
Serial.println("********************Start calibration********************");
measureUnit.levelTemperaturesOff();
Serial.println("********************End calibration********************");
}
}
compteur++;
}