IOT/config.ini

@@ -14,6 +14,14 @@ build_flags =
     -D MONITOR_SPEED=${config.monitor_speed}
 ; DO NOT TOUCH --- END
 
+    ; taille ecran oled
+    ; 3,3v
+    -D OLED_WIDTH=128
+    -D OLED_HEIGHT=64
+    ; pin de reset de l'ecran oled
+    -D OLED_RESET=-1
+
+
     ; DHT pin and type
     ; 5v
     -D DHTTYPE=\"DHT11\"
@@ -25,6 +33,7 @@ build_flags =
     -D ULTRA_SOUND_ECHO=13
 
     ; Capteur poids
+    ; 3,3v
     -D POID_DOUT=14
     -D POID_SCK=15
 

IOT/include/Program.h

@@ -10,6 +10,7 @@
 #include "Ultrason.h"
 #include "HumiTemp.h"
 #include "Balance.h"
+#include "OledScreen.h"
 
 class Program{
 public:
@@ -46,6 +47,12 @@ private:
      */
     Capteur *balance;
 
+    /**
+     * @brief OledScreen
+     * 
+     */
+   OledScreen* screen;
+
     /**
     * @brief Réference de l'API pour les calls
     * 

IOT/lib/OledScreen/include/OledScreen.h

@@ -0,0 +1,59 @@
+#ifndef OLED_SCREEN_H
+#define OLED_SCREEN_H
+
+#include <Adafruit_SSD1306.h>
+
+
+class OledScreen {
+public:
+
+    /**
+     * @brief Construct a new Oled Screen object
+     *
+     * @param screenWidth The width of the screen
+     * @param screenHeight The height of the screen
+     * @param oledResetPin The pin used to reset the screen (default: -1)
+     */
+    OledScreen(int screenWidth, int screenHeight, int oledResetPin = -1);
+
+    /**
+     * @brief display welcome screen
+     */
+    void welcome();
+
+    /**
+     * @brief print the total amount on the screen
+     *
+     * @param amount The total amount to print in centimes
+     */
+    void printAmount(int amount);
+
+
+    /**
+     * @brief Clear the screen
+     */
+    void clear();
+
+    /**
+     * @brief messsage for wifi waiting
+     *
+     */
+    void wifiWaiting();
+
+    /**
+     * @brief show the sensor value
+     * 
+     * @param distance length value
+     * @param poid weith value
+     * @param humitemp humidity and temperature value
+     */
+    void printVal(String distance, String poid, String humitemp);
+
+private:
+
+    Adafruit_SSD1306* display;
+
+};
+
+
+#endif

IOT/lib/OledScreen/src/OledScreeen.cpp

@@ -0,0 +1,76 @@
+#include "../include/OledScreen.h"
+
+OledScreen::OledScreen(int screenWidth, int screenHeight, int oledResetPin) {
+    this->display = new Adafruit_SSD1306(screenWidth, screenHeight, &Wire, oledResetPin);
+    if (!display->begin(SSD1306_SWITCHCAPVCC, 0x3C)) {
+        Serial.println(F("SSD1306 allocation failed"));
+        for (;;); // Don't proceed, loop forever
+    }
+    this->display->clearDisplay();
+}
+
+void OledScreen::welcome() {
+    this->display->clearDisplay();
+    this->display->setCursor(0, 0);
+    this->display->setTextSize(2);
+    this->display->setTextColor(WHITE);
+    this->display->println(F("\nBienvenue!"));
+    this->display->display();
+}
+
+void OledScreen::printVal(String distance, String poid, String humitemp){
+    this->display->clearDisplay();
+    this->display->setCursor(0, 0);
+    this->display->setTextSize(2);
+    this->display->setTextColor(WHITE);
+    this->display->print(F("Dist:"));
+    this->display->print(distance);
+    this->display->println();
+    this->display->print(F("Poids:"));
+    this->display->print(poid);
+    this->display->println();
+    this->display->print(F("humi:"));
+    this->display->print(humitemp.substring(0,humitemp.indexOf("/")));
+    this->display->println();
+    this->display->print(F("temp:"));
+    this->display->print(humitemp.substring(humitemp.indexOf("/")+1,humitemp.length()));
+    this->display->println();
+    this->display->display();
+}
+
+
+
+void OledScreen::printAmount(int amount) {
+    this->display->clearDisplay();
+    this->display->setCursor(0, 0);
+    this->display->setTextSize(2);
+    this->display->setTextColor(WHITE);
+    this->display->println(F("  Total:  "));
+    this->display->println();
+
+    this->display->print(amount / 100);
+    this->display->print(F(","));
+    int centimes = amount % 100;
+    if (centimes < 10) {
+        this->display->print(F("0"));
+    }
+    this->display->println(centimes);
+    this->display->print(F("       EUR"));
+    this->display->display();
+}
+
+
+void OledScreen::wifiWaiting() {
+    this->clear();
+    this->display->setCursor(0, 0);
+    this->display->setTextSize(2);
+    this->display->setTextColor(WHITE);
+    this->display->println(F("Connection\n"));
+    this->display->println(F("  WiFi...\n"));
+    this->display->println();
+    this->display->display();
+}
+
+void OledScreen::clear() {
+    this->display->clearDisplay();
+}

IOT/platformio.ini

@@ -42,6 +42,7 @@ lib_deps =
     adafruit/Adafruit Unified Sensor@^1.1.9 ; adafruit sensor lib (required by DHT11)
     ericksimoes/Ultrasonic@^3.0.0 ; lib capteur ultra son
     bogde/HX711@0.7.5 ; lib pour la balance
+    adafruit/Adafruit SSD1306@^2.5.7 ; librairie pour l'ecran oled
 ;    example:
 ;    erropix/ESP32 AnalogWrite@^0.2
 

IOT/src/Program.cpp

@@ -6,6 +6,10 @@ Program::Program(){
     Serial1.begin(MONITOR_SPEED);
     Serial.begin(MONITOR_SPEED);
 
+    //////Oled Screen/////
+    this->screen = new OledScreen(OLED_WIDTH, OLED_HEIGHT, OLED_RESET);
+    this->screen->wifiWaiting();
+
     ////////API///////
     this->api = new API(USER_NAME, USER_PASSWORD, API_HOST);
     this->api->wifiBegin(WIFI_SSID, WIFI_PASSWORD, &Serial1);
@@ -16,12 +20,17 @@ Program::Program(){
     this->dht = new HumiTemp(DHTPIN, DHTTYPE, DHT_FULL);
     this->balance = new Balance(POID_DOUT,POID_SCK, POID_FULL);
     this->balance->tar(1077);
+
+    this->screen->clear();
 }
 
 void Program::loop(){
     String distance = this->ultrasonic->read();
     String humitemp = this->dht->read();
     String poid = this->balance->read();
+
+
+    this->screen->printVal(distance, poid, humitemp);
     
     this->api->sendValue(distance, TRASHCAN_ONE, this->ultrasonic->getValType(), this->ultrasonic->isFull());
     Serial.print("Distance in CM = " + distance);