From 4eb2fcd6edec86a61269e737db09fbe7b25d07bc Mon Sep 17 00:00:00 2001
From: AlejandroJose2001 <elalegomezromero@gmail.com>
Date: Thu, 10 Apr 2025 16:18:14 +0200
Subject: [PATCH 1/3] Sensor MQ7 init and read

---
 hardware/include/MQ7.hpp  | 35 +++++++++++++++++++++++++++++++++++
 hardware/include/main.hpp |  1 +
 hardware/src/main.cpp     |  4 +++-
 3 files changed, 39 insertions(+), 1 deletion(-)
 create mode 100644 hardware/include/MQ7.hpp

diff --git a/hardware/include/MQ7.hpp b/hardware/include/MQ7.hpp
new file mode 100644
index 0000000..1b875b1
--- /dev/null
+++ b/hardware/include/MQ7.hpp
@@ -0,0 +1,35 @@
+#include <Arduino.h>
+
+#define analogMQ7 33
+#define digitalMQ7 32
+
+float sensor_volt;
+float RS_air; 
+float R0;  
+float sensorValue;
+
+void MQ7_init(){
+    pinMode(digitalMQ7, INPUT);
+    pinMode(analogMQ7, INPUT);
+}
+
+void MQ7_read()
+{
+    analogWrite(analogMQ7, 1023);
+    delay(60000);
+    analogWrite(analogMQ7, (1023/5)*1.4 );
+
+    for(int i = 0; i<100; i++){
+        sensorValue = sensorValue + analogRead(analogMQ7);
+        delay(90000);
+    }
+
+    sensorValue = sensorValue/100.0;
+    sensor_volt = sensorValue/1024*5.0;
+    RS_air = (5.0-sensor_volt)/sensor_volt;
+    R0 = RS_air/(26+(1/3));
+
+    Serial.print("R0 = ");
+    Serial.println(R0);
+    delay(1000);
+}
\ No newline at end of file
diff --git a/hardware/include/main.hpp b/hardware/include/main.hpp
index 6d06a4a..df5dbd5 100644
--- a/hardware/include/main.hpp
+++ b/hardware/include/main.hpp
@@ -1,4 +1,5 @@
 #include <Arduino.h>
+#include <MQ7.hpp>
 
 #include "JsonTools.hpp"
 #include "RestClient.hpp"
diff --git a/hardware/src/main.cpp b/hardware/src/main.cpp
index fb27a34..cb6848c 100644
--- a/hardware/src/main.cpp
+++ b/hardware/src/main.cpp
@@ -22,11 +22,13 @@ void setup() {
         Serial.print("Error connecting to WiFi");
     }
 
+    MQ7_init();
+
     // test get
     getRequest(httpClient, "http://172.20.10.7:8082/api/v1/sensors/1/values", response);
     deserializeSensorValue(httpClient, httpClient.GET());
 }
  
 void loop() {
-    
+    MQ7_read();
 }
\ No newline at end of file

From d83436a39506dc4fc039b8bfd0a9fc20318d0294 Mon Sep 17 00:00:00 2001
From: Alvaro <alvaro150801@gmail.com>
Date: Fri, 11 Apr 2025 09:12:30 +0200
Subject: [PATCH 2/3] Fixing files

---
 hardware/src/MQ7.cpp | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 hardware/src/MQ7.cpp

diff --git a/hardware/src/MQ7.cpp b/hardware/src/MQ7.cpp
new file mode 100644
index 0000000..2041d3d
--- /dev/null
+++ b/hardware/src/MQ7.cpp
@@ -0,0 +1,26 @@
+#include "MQ7.hpp"
+
+void MQ7_init() {
+    pinMode(digitalMQ7, INPUT);
+    pinMode(analogMQ7, INPUT);
+}
+
+void MQ7_read() {
+    analogWrite(analogMQ7, 1023);
+    delay(60000);
+    analogWrite(analogMQ7, (1023/5)*1.4 );
+
+    for(int i = 0; i<100; i++){
+        sensorValue = sensorValue + analogRead(analogMQ7);
+        delay(90000);
+    }
+
+    sensorValue = sensorValue/100.0;
+    sensor_volt = sensorValue/1024*5.0;
+    RS_air = (5.0-sensor_volt)/sensor_volt;
+    R0 = RS_air/(26+(1/3));
+
+    Serial.print("R0 = ");
+    Serial.println(R0);
+    delay(1000);
+}
\ No newline at end of file

From 2ea77ee34bea785a384d1a9751a4104dd3465d84 Mon Sep 17 00:00:00 2001
From: Alvaro <alvaro150801@gmail.com>
Date: Fri, 11 Apr 2025 09:19:05 +0200
Subject: [PATCH 3/3] Refixing MQ7

---
 hardware/include/MQ7.hpp  | 33 ++-------------------------------
 hardware/include/main.hpp |  2 +-
 hardware/src/MQ7.cpp      |  5 +++++
 3 files changed, 8 insertions(+), 32 deletions(-)

diff --git a/hardware/include/MQ7.hpp b/hardware/include/MQ7.hpp
index 1b875b1..c184b79 100644
--- a/hardware/include/MQ7.hpp
+++ b/hardware/include/MQ7.hpp
@@ -1,35 +1,6 @@
 #include <Arduino.h>
-
 #define analogMQ7 33
 #define digitalMQ7 32
 
-float sensor_volt;
-float RS_air; 
-float R0;  
-float sensorValue;
-
-void MQ7_init(){
-    pinMode(digitalMQ7, INPUT);
-    pinMode(analogMQ7, INPUT);
-}
-
-void MQ7_read()
-{
-    analogWrite(analogMQ7, 1023);
-    delay(60000);
-    analogWrite(analogMQ7, (1023/5)*1.4 );
-
-    for(int i = 0; i<100; i++){
-        sensorValue = sensorValue + analogRead(analogMQ7);
-        delay(90000);
-    }
-
-    sensorValue = sensorValue/100.0;
-    sensor_volt = sensorValue/1024*5.0;
-    RS_air = (5.0-sensor_volt)/sensor_volt;
-    R0 = RS_air/(26+(1/3));
-
-    Serial.print("R0 = ");
-    Serial.println(R0);
-    delay(1000);
-}
\ No newline at end of file
+void MQ7_init();
+void MQ7_read();
\ No newline at end of file
diff --git a/hardware/include/main.hpp b/hardware/include/main.hpp
index df5dbd5..c1895ab 100644
--- a/hardware/include/main.hpp
+++ b/hardware/include/main.hpp
@@ -1,9 +1,9 @@
 #include <Arduino.h>
-#include <MQ7.hpp>
 
 #include "JsonTools.hpp"
 #include "RestClient.hpp"
 #include "WifiConnection.hpp"
 #include "MqttClient.hpp"
+#include "MQ7.hpp"
 
 uint32_t getChipID();
\ No newline at end of file
diff --git a/hardware/src/MQ7.cpp b/hardware/src/MQ7.cpp
index 2041d3d..954b2cb 100644
--- a/hardware/src/MQ7.cpp
+++ b/hardware/src/MQ7.cpp
@@ -1,5 +1,10 @@
 #include "MQ7.hpp"
 
+float sensor_volt;
+float RS_air; 
+float R0;  
+float sensorValue;
+
 void MQ7_init() {
     pinMode(digitalMQ7, INPUT);
     pinMode(analogMQ7, INPUT);