Implement MQTT connection and message publishing based on CO levels; refactor air quality status handling

hardware/include/main.hpp

@@ -27,12 +27,6 @@ struct SensorInfo
     String type;
 };
 
-enum AirQualityStatus
-{
-    GOOD,
-    BAD
-};
-
 void readMQ7();
 void readBME280();
 void readGPS();

hardware/src/lib/inet/MqttClient.cpp

@@ -1,6 +1,7 @@
 #include "MqttClient.hpp"
 
 extern WiFiClient wifiClient;
+extern const char *currentMessage;
 
 PubSubClient client(wifiClient);
 
@@ -19,9 +20,14 @@ void MQTT_OnReceived(char *topic, byte *payload, unsigned int length)
     content.concat((char)payload[i]);
   }
 
-#ifdef DEBUG
-  Serial.println(content);
-#endif
+  if(content == "ECO")
+  {
+    currentMessage = "Solo vehiculos electricos/hibridos";
+  } 
+  else
+  {
+    currentMessage = "Todo tipo de vehiculos";
+  }
 }
 
 void MQTT_Init(const char *MQTTServerAddress, uint16_t MQTTServerPort)
@@ -38,7 +44,9 @@ void MQTT_Connect(const char *MQTTClientName)
   if (client.connect(MQTTClientName, USER, MQTT_PASSWORD))
   {
     String statusTopic = buildTopic(GROUP_ID, String(DEVICE_ID, HEX), "status");
+    String matrixTopic = buildTopic(GROUP_ID, String(DEVICE_ID, HEX), "matrix");
     client.subscribe(statusTopic.c_str());
+    client.subscribe(matrixTopic.c_str());
     client.publish(statusTopic.c_str(), "connected");
   }
 #ifdef DEBUG

hardware/src/lib/sensor/GPS.cpp

@@ -28,6 +28,6 @@ GPSData_t GPS_Read()
 
 GPSData_t GPS_Read_Fake()
 {
-    float rnd = random(-0.005, 0.005);
+    float rnd = random(-0.0005, 0.0005);
     return {37.358201f + rnd, -5.986640f + rnd};
 }

hardware/src/main.cpp

@@ -2,8 +2,6 @@
 
 const uint32_t DEVICE_ID = getChipID();
 const int GROUP_ID = 1;
-const char ALL_VEHICLES[] = "Todo tipo de vehiculos";
-const char ELECTRIC_VEHICLES[] = "Solo vehiculos electricos/hibridos";
 const char *currentMessage = nullptr;
 const String id = "CUS-" + String(DEVICE_ID, HEX);
 
@@ -18,7 +16,6 @@ extern MD_Parola display;
 MQ7Data_t mq7Data;
 BME280Data_t bme280Data;
 GPSData_t gpsData;
-AirQualityStatus currentAirStatus = GOOD;
 
 void setup()
 {
@@ -38,7 +35,7 @@ void setup()
     MAX7219_Init();
     Serial.println("Display inicializado");
 
-    writeMatrix(ALL_VEHICLES);
+    writeMatrix(currentMessage);
 }
 
 void loop()
@@ -79,23 +76,7 @@ void loop()
 void readMQ7()
 {
     const float CO_THRESHOLD = 100.0f;
-
     mq7Data = MQ7_Read();
-
-    AirQualityStatus newStatus = (mq7Data.co >= CO_THRESHOLD) ? BAD : GOOD;
-
-    if (newStatus != currentAirStatus)
-    {
-        currentAirStatus = newStatus;
-        if (currentAirStatus == BAD)
-        {
-            writeMatrix(ELECTRIC_VEHICLES);
-        }
-        else
-        {
-            writeMatrix(ALL_VEHICLES);
-        }
-    }
 }
 
 void readBME280()
@@ -110,10 +91,6 @@ void readGPS()
 
 void writeMatrix(const char *message)
 {
-    if (currentMessage == message)
-        return;
-    currentMessage = message;
-
 #ifdef DEBUG
     Serial.println("Escribiendo en el display...");
 #endif