118 lines
3.5 KiB
C
118 lines
3.5 KiB
C
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#pragma once
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#include <Wire.h>
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#include <Arduino.h>
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#include "Constants.h"
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#include "Sensors.h"
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class SckUrban {
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public:
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struct Resistor {
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byte deviceAddress;
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byte resistorAddress;
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};
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void setup();
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float getReading(SensorType wichSensor);
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String control(SensorType wichSensor, String command);
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// Noise
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float getNoise();
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void gainChange(uint8_t value);
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float getsound();
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void writeResistorRaw(byte resistor, int value);
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int gain_step = 0;
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float sounddB = 0;
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// Temp and humidity
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uint16_t readSHT(uint8_t type);
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float getHumidity();
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float getTemperature();
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// Light
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float getLight();
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// Gases
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const float HEATER_REGULATOR_RESISTOR = 24000; // (Ohm) Heater voltage regulators resistor
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void gasSetup(SensorType wichSensor);
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void gasOn(SensorType wichSensor);
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void gasOff(SensorType wichSensor);
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void gasHeat(SensorType wichSensor, uint32_t wichCurrent);
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float gasGetRegulatorVoltage(SensorType wichSensor);
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float gasGetDropVoltage(SensorType wichSensor);
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void gasSetRegulatorVoltage(SensorType wichSensor, uint32_t wichVoltage);
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float gasGetHeaterCurrent(SensorType wichSensor);
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void gasCorrectHeaterCurrent(SensorType wichSensor);
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uint32_t gasHeatingTime(SensorType wichSensor); // @return time since sensor heater started in seconds.
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uint32_t gasGetLoadResistance(SensorType wichSensor);
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float gasGetSensorResistance(SensorType wichSensor);
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float gasRead(SensorType wichSensor);
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/* Notes
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HeaterCurrent = HeaterVoltage / HEATER_RESISTOR
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HeaterResistance = (RegulatorVoltage - HeaterVoltage) / HeaterCurrent
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RegulatorVoltage = HeaterCurrent * (HeaterResistance + HEATER_RESISTOR)
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*/
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// Carbon Monoxide
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const uint8_t SHUTDOWN_CONTROL_REGULATOR_CO_SENSOR_HEATER_PIN = 9; // (pin) 9-PA7 -- Low disables sensor heater
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const uint8_t CO_HEATER_VOLTAGE_PIN = 15; // (pin) A1-PB8 -- CO Current Sensor
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const uint8_t CO_SENSOR_VOLTAGE_PIN = 17; // (pin) A3-PA4 -- CO Sensor
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Resistor POT_CO_LOAD_RESISTOR = {POT3, 0x00};
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Resistor POT_CO_REGULATOR = {POT2, 0x00};
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const uint8_t CO_HEATER_RESISTOR = 10; // (Ohm) RDRED Resistencia en el sensor CO sensor
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uint32_t CO_HEATING_CURRENT = 32; // (mA) Normal operational current
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uint32_t CO_HEATER_RESISTANCE = 74; // (Ohm) Heating resistance at nominal power
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bool gasCOheaterState = false;
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uint32_t startHeaterTime_CO = 0;
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// Nitrogen Dioxide
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const uint8_t SHUTDOWN_CONTROL_REGULATOR_NO2_SENSOR_HEATER_PIN = 8; // (pin) 8-PA6 Low disables sensor heater
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const uint8_t NO2_HEATER_VOLTAGE_PIN = 16; // (pin) A2-PB9 -- CO Current Sensor
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const uint8_t NO2_SENSOR_VOLTAGE_PIN = 18; // (pin) A4-PA5 -- CO Sensor
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Resistor POT_NO2_LOAD_RESISTOR = {POT3, 0x01};
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Resistor POT_NO2_REGULATOR = {POT2, 0x01};
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const uint8_t NO2_HEATER_RESISTOR = 39; // (Ohm) Resistencia en el sensor NO2 sensor
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uint32_t NO2_HEATING_CURRENT = 26; // (mA) Normal operational current
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uint32_t NO2_HEATER_RESISTANCE = 66; // (Ohm) Heating resistance at nominal power
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bool gasNO2heaterState = false;
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uint32_t startHeaterTime_NO2 = 0;
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// Utility functions
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void setPot(Resistor wichPot, uint32_t value);
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uint32_t getPot(Resistor wichPot);
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void writeI2C(byte deviceaddress, byte address, byte data );
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byte readI2C(int deviceaddress, byte address);
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void ADCini();
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void ADCoff();
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float average(uint8_t wichPin);
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private:
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};
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/*
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NOTAS
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-- Por I2C tenemos:
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* El potenciometro digital
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* Humidity
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* Temperature
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* UV
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* Light
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-- Por pines analogicos
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* CO Sensor
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* NO Sensor
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* CO Current
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* NO Current
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* Sound Sensor
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*/
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