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	- Project: Scanner
	- Source Code compiled for: Arduino Mega
	- Source Code created on: 2023-11-06 22:20:36
	- Source Code generated by: AlexWind

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/****** DEFINITION OF LIBRARIES *****/
#include <Arduino.h>

/****** SYSTEM REQUIREMENT 1 *****/
/* if temperature is above 100°C so provide */
/* information via serial monitor. */

/****** FUNCTION PROTOTYPES *****/
void setup(void);
void loop(void);
void updateInputs(void);
float lookup_phyData_from_voltage(float voltage, int segment_points, const float* voltage_phyData_lookup);
float map_f(float x, float in_min, float in_max, float out_min, float out_max);
void convertInputsFromRawToPhyData(void);

/***** DEFINITION OF ANALOG INPUT PINS *****/
const uint8_t sensor_PIN_A0 = A0;

/****** DEFINITION OF ANALOG INPUTS CHARACTERISTIC CURVES *****/
const uint8_t SEGMENT_POINTS_voltage_Temperature_PIN_A0 = 3;
const float voltage_Temperature_PIN_A0_lookup[2][SEGMENT_POINTS_voltage_Temperature_PIN_A0] PROGMEM =
{
    {0.0, 2.0, 3.0}, //Voltage [V]
    {20.0, 60.0, 100.0} //Temperature [°C]
};

/***** DEFINITION OF INPUT RAW VARIABLES *****/
/***** used to store raw data *****/
unsigned int sensor_PIN_A0_rawData = 0; // Analog Input

/***** DEFINITION OF INPUT PHYSICAL VARIABLES *****/
/***** used to store data after characteristic curve transformation *****/
float sensor_PIN_A0_phyData = 0.0; // Temperature [°C]

void setup(void)
{
    // put your setup code here, to run once:
    pinMode(sensor_PIN_A0, INPUT);
    Serial.begin(9600); // Initialize serial communication
}

void loop(void)
{
    // put your main code here, to run repeatedly:
    updateInputs(); // Refresh input data
    convertInputsFromRawToPhyData(); // after that updateInput function is called, so raw data are transformed in physical data in according to characteristic curve

    // Check if temperature is above 100°C
    if (sensor_PIN_A0_phyData > 100.0)
    {
        Serial.print("Temperature above 100°C: ");
        Serial.print(sensor_PIN_A0_phyData);
        Serial.println("°C");
    }

    delay(1000); // Wait for 1 second
}

void updateInputs()
{
    sensor_PIN_A0_rawData = analogRead(sensor_PIN_A0);
}

/* BLOCK lookup_phyData_from_voltage */
float lookup_phyData_from_voltage(float voltage, int segment_points, const float* voltage_phyData_lookup)
{
    // Search table for appropriate value.
    uint8_t index = 0;

    const float *voltagePointer = &voltage_phyData_lookup[0];
    const float *phyDataPointer = &voltage_phyData_lookup[1];

    // Perform minimum and maximum voltage saturation based on characteristic curve
    voltage = min(voltage, pgm_read_float(&voltagePointer[segment_points - 1]));
    voltage = max(voltage, pgm_read_float(&voltagePointer[0]));

    while (pgm_read_float(&voltagePointer[index]) <= voltage && index < segment_points)
        index++;

    // If index is zero, physical value is smaller than our table range
    if (index == 0)
    {
        return map_f(voltage,
                     pgm_read_float(&voltagePointer[0]), // X1
                     pgm_read_float(&voltagePointer[1]), // X2
                     pgm_read_float(&phyDataPointer[0]), // Y1
                     pgm_read_float(&phyDataPointer[1])); // Y2
    }
    // If index is maxed out, phyisical value is larger than our range.
    else if (index == segment_points)
    {
        return map_f(voltage,
                     pgm_read_float(&voltagePointer[segment_points - 2]), // X1
                     pgm_read_float(&voltagePointer[segment_points - 1]), // X2
                     pgm_read_float(&phyDataPointer[segment_points - 2]), // Y1
                     pgm_read_float(&phyDataPointer[segment_points - 1])); // Y2
    }
    // index is between 0 and max, just right
    else
    {
        return map_f(voltage,
                     pgm_read_float(&voltagePointer[index - 1]), // X1
                     pgm_read_float(&voltagePointer[index]), // X2
                     pgm_read_float(&phyDataPointer[index - 1]), // Y1
                     pgm_read_float(&phyDataPointer[index])); // Y2
    }
}
/* END BLOCK lookup_phyData_from_voltage */

/* BLOCK map_f */
float map_f(float x, float in_min, float in_max, float out_min, float out_max)
{
    return (x - in_min) * (out_max - out_min) / (in_max - in_min) + out_min;
}
/* END BLOCK map_f */

/* BLOCK convertInputsFromRawToPhyData */
void convertInputsFromRawToPhyData()
{
    float voltage = 0.0;

    voltage = sensor_PIN_A0_rawData * (5.0 / 1023.0);
    sensor_PIN_A0_phyData = lookup_phyData_from_voltage(voltage, SEGMENT_POINTS_voltage_Temperature_PIN_A0, &(voltage_Temperature_PIN_A0_lookup[0][0]));
}