rendu git

Arduinoscript/Arduinoscript.ino

@@ -0,0 +1,67 @@
+#include <Arduino_HS300x.h>
+#include <Arduino_APDS9960.h>
+#include <HCSR04.h>
+#include <PDM.h>
+
+#define SAMPLE_BUFFER_SIZE 512
+short sampleBuffer[SAMPLE_BUFFER_SIZE];
+volatile int samplesRead = 0;
+static const char channels = 1;
+static const int frequency = 16000;
+
+// Ultrasonic instructions
+byte triggerPin = 11;
+byte echoPin = 12;
+
+void setup() {
+  Serial.begin(9600);
+  while (!Serial);
+
+  if (!HS300x.begin()) {
+    Serial.println("Failed to initialize humidity temperature sensor!");
+    while (1);
+  }
+  PDM.onReceive(onPDMdata);
+  if (!PDM.begin(channels, frequency)) {
+    Serial.println("Failed to start PDM!");
+    while (1);
+  }
+  HCSR04.begin(triggerPin, echoPin);
+}
+
+void loop() 
+{
+  float temperature = HS300x.readTemperature();
+  int volume = getVolume();
+  double* distances = HCSR04.measureDistanceCm();
+  String output = String(temperature) + "|" + String(distances[0]) + "|" + String(volume);
+  Serial.println(output);
+  delay(1000);
+}
+
+int getVolume()
+{
+   int maxVolume = 0;  // Initialize variable to store the maximum volume
+  int sum = 0;
+
+  if (samplesRead > 0) {
+    for (int i = 0; i < samplesRead; i++) {
+      int sampleAbs = abs(sampleBuffer[i]);
+      if (sampleAbs > maxVolume) {
+        maxVolume = sampleAbs;  // Update max volume if a higher value is found
+      }
+    }
+    samplesRead = 0;  // Reset after processing
+  }
+
+  return maxVolume;
+}
+
+void onPDMdata() 
+{
+  int bytesAvailable = PDM.available();
+  if (bytesAvailable) {
+    PDM.read(sampleBuffer, bytesAvailable);
+    samplesRead = bytesAvailable / 2;  // Update the number of samples read
+  }
+}

README.md

@@ -17,4 +17,7 @@ JS library (server):
 - socket-io (permet de communiquer entre serveur et client grace a des events)
 - socket-io-client
 - express (un framework basés sur les applications web)
-- node:http
+- node:http
+
+
+Cablage arduino : ![alt text](./img/cable.png)