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Updated sensor.

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This commit is contained in:
Yohan Boujon 2024-12-03 16:23:40 +01:00
parent 87f1e992b9
commit 02e2fb71cd
2 changed files with 14 additions and 14 deletions
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22
lib/sensor/sensor.cpp
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@ -11,17 +11,15 @@ void Sensor::init(const uint8_t pin)
digitalWrite(_pin, HIGH); digitalWrite(_pin, HIGH);
} }
float Sensor::get_value() float Sensor::get_analog()
{ {
/* return analogRead(_pin);
float sensor_volt; }
float RS_gas; // Get value of RS in a GAS
float ratio; // Get ratio RS_GAS/RS_air // Normally should be 5V, but the ADC can only see up to 3.3 on 12 bits
int sensorValue = analogRead(A0); float Sensor::get_RSR0()
sensor_volt=(float)sensorValue/1024*5.0; {
RS_gas = (5.0-sensor_volt)/sensor_volt; // omit *RL float sensor_volt=(float)(analogRead(_pin))/((1<<12)*3.3);
//-Replace the name "R0" with the value of R0 in the demo of First Test float RS_gas = (3.3-sensor_volt)/sensor_volt;
ratio = RS_gas/R0; // ratio = RS/R0 return RS_gas/R0;
*/
return ((analogRead(_pin))/1024*5.0);
} }

6
lib/sensor/sensor.hpp
View file

@ -3,13 +3,15 @@
#include <Arduino.h> #include <Arduino.h>
constexpr uint8_t SENSOR_PIN = 36; constexpr uint8_t SENSOR_PIN = 34;
constexpr float R0 = 0.8;
class Sensor { class Sensor {
public: public:
Sensor(); Sensor();
void init(const uint8_t pin); void init(const uint8_t pin);
float get_value(); float get_analog();
float get_RSR0();
private: private:
uint8_t _pin; uint8_t _pin;
}; };