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Added DHT sensor library, Created DHTComponent.

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This commit is contained in:
Yohan Boujon 2023-12-14 16:28:59 +01:00
parent c5d8457801
commit c4398dbab2
4 changed files with 60 additions and 13 deletions
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28
embedded/lib/Component/DHTComponent.cpp Normal file
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@ -0,0 +1,28 @@
#include "DHTComponent.hpp"
DHTComponent::DHTComponent(uint8_t type, byte pin)
: _pin(pin), _type(type), _dht(nullptr)
{}
DHTComponent::~DHTComponent()
{
delete _dht;
}
void DHTComponent::setup()
{
_dht = new DHT_Unified(_pin, _type);
_dht->begin();
}
float DHTComponent::getHumidity()
{
_dht->humidity().getEvent(&_event);
return _event.relative_humidity;
}
float DHTComponent::getTemperature()
{
_dht->temperature().getEvent(&_event);
return _event.temperature;
}

23
embedded/lib/Component/DHTComponent.hpp Normal file
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@ -0,0 +1,23 @@
#ifndef _HEADER_COMPONENT_DHT
#define _HEADER_COMPONENT_DHT
#include <Adafruit_Sensor.h>
#include <DHT.h>
#include <DHT_U.h>
class DHTComponent
{
public:
DHTComponent(uint8_t type, byte pin);
~DHTComponent();
void setup();
float getHumidity();
float getTemperature();
private:
byte _pin;
uint8_t _type;
DHT_Unified* _dht;
sensors_event_t _event;
};
#endif // _HEADER_COMPONENT_LED

1
embedded/platformio.ini
View file

@ -19,5 +19,6 @@ lib_deps =
ArduinoJson
olikraus/U8g2@^2.35.7
seeed-studio/Grove - Chainable RGB LED@^1.0.0
adafruit/DHT sensor library@^1.4.6
extra_scripts =
pre:scripts/dotenv-var.py

21
embedded/src/main.cpp
View file

@ -5,6 +5,7 @@
#include "ServerHandler.hpp"
#include "Component.hpp"
#include "LedComponent.hpp"
#include "DHTComponent.hpp"
#include "Screen.hpp"
#ifdef SSID_CLOVER
@ -16,6 +17,7 @@
Component humidity(ComponentType::Analog, PIN_A0);
LedComponent led(D8,D7,2);
DHTComponent airSensor(DHT11,D3);
void setup()
{
@ -25,10 +27,8 @@ void setup()
Serial.print("Connected to WiFi. IP address: ");
Serial.println(WiFi.localIP());
pinMode(D5, OUTPUT);
digitalWrite(D5, LOW);
led.setup();
airSensor.setup();
}
void loop()
@ -37,8 +37,8 @@ void loop()
auto& serverHandler = ServerHandler::GetInstance();
auto& dataHandler = DataHandler::GetInstance();
auto& screen = Display::Screen::GetInstance();
led.setColor(0,{255,0,0});
led.setColor(1,{0,255,0});
led.setColor(0,{32,0,0});
led.setColor(1,{0,32,0});
// Could not connect after setup: Showing screen failure
if(!serverHandler.isConnected())
@ -66,8 +66,8 @@ void loop()
// Data gathered from various sensors
// 0 -> air(0), 0-300 -> dry(20), 300-700 -> humid (580), 700-950 -> water(940)
auto soilHumidityData = static_cast<float>(std::any_cast<int>(humidity.getValue()));
auto airTemperatureData = random(150, 300) / 10.0;
auto airHumidityData = random(0, 1000) / 10.0;
auto airTemperatureData = airSensor.getTemperature();
auto airHumidityData = airSensor.getHumidity();
auto lightData = random(0, 1000) / 10.0;
// Updating the data handler
@ -79,18 +79,13 @@ void loop()
// Screen showing
screen.loop(soilHumidityData,airTemperatureData,airHumidityData,lightData);
// TODO: Add LedComponent management
if (soilHumidityData < 550) {
Serial.println("Soil humidity low. Please water the plant.");
digitalWrite(D5, HIGH);
} else if (soilHumidityData >= 550 && soilHumidityData <= 680) {
Serial.println("Idle...");
digitalWrite(D5, LOW);
} else {
Serial.println("Soil too wet.");
digitalWrite(D5, LOW);
delay(400);
digitalWrite(D5, HIGH);
delay(400);
}
serverHandler.loop();