Différences

Ci-dessous, les différences entre deux révisions de la page.

--- projets:2019:stagefevrierubo [2019/02/12 07:54] – créée christian.jacolot
+++ projets:2019:stagefevrierubo [2024/04/16 22:26] (Version actuelle) – modification externe 127.0.0.1
@@ Ligne 28: / Ligne 28: @@
-===== État du stock =====
+===== État du stock et matériel pour le stage =====
-A vérifier en fonction des projets:
+Stock à vérifier en fonction des projets.
+Voici une première liste de matériel à apporter avec nous pour le stage:
 ^ Intitulé ^ Quantité dans le stock ^ A commander/produire ^
@@ Ligne 36: / Ligne 37: @@
 | Arduino nano (avec câble USB) |  |  |
 | Câbles élec | |  |
-| Batterie USB |  |  |
+| écran pour le vidéo-projecteur |
+| vidéo-projecteur |
+| 2 rallonges |
+| 4 multiprise |
+| 12 PCs:  (j'en ai déjà 5 de prêt, il m'en reste 2/3 à préparer) |
+| alimentations PC |
+| souris PC |
+| 12 cartes arduinos (avec cordons USB) |
+| 12 DHT 11 |
+| 12 relais |
+| 12 transistors |
+| 12 servo moteurs |
+| 12 LDR |
+| 12 ventilateurs |
+| cartes de support pour les éléments |
+| fils de connexion |
+| 3/4 fers à souder |
+| 4 tapis pour fer à souder |
+| 4 support fer à souder |
+| étain |
+| fils |
+| en option (afficheurs LCD, module bluetooth)  |
@@ Ligne 84: / Ligne 106: @@
 Nous remercions Yves et Matthieu pour accueillir le stage dans les locaux de l'UBO Open Factory.
+=== Préparation des PC ===
+Installation de xubuntu 18.04 sur les PC, iso sur clé USB.
+Mise à jour et installation des logiciels/paquets nécessaires:
+<code>
+$ sudo apt update
+$ sudo apt upgrade
+$ sudo apt install git mercurial build-essential arduino-core arduino-mk gcc-avr avr-libc openjdk-8-jdk
+$ sudo apt install squeak-vm squeak-plugins-scratch
+$ sudo apt install nodejs npm
+$ id
+$ sudo usermod -a -G dialout $USER
+$ more /etc/group
+# télécharger arduino sur arduino.cc / linux 32 bits
+$ cd Téléchargements/
+$ tar xf arduino-1.8.8-linux32.tar.xz
+$ cd arduino-1.8.8/
+$ ./install.sh
+$ cd
+# démarrer arduino IDE
+# menu Outils / Gérer les bibliothèques
+# installer: circuit playground, unified sensor, DHT sensor library
+$ sudo npm install -g --unsafe-perm node-red
+$ node-red
+# navigateur web sur localhost:1880
+# installer via palette: node-red-node-serialport et node-red-dashboard
+$ sudo apt install logisim openssh-server
+$ sudo apt install gcc-avr avr-libc flashplugin-installer algobox blender python3-dev python3-setuptools python3-numpy
+$ sudo apt install python3-opengl ffmpeg libsdl-image1.2-dev libsdl-mixer1.2-dev libsdl-ttf2.0-dev libsmpeg-dev libsdl1.2-dev libportmidi-dev libswscale-dev libavformat-dev libavcodec-dev libtiff5-dev libx11-6 libx11-dev fluid-soundfont-gm timgm6mb-soundfont xfonts-base xfonts-100dpi xfonts-75dpi xfonts-cyrillic fonts-freefont-ttf libfreetype6-dev
+$ java -version
+$ javac -version
+$ sudo update-alternatives --config java
+# choisir java 8
+$ java -version
+$ sudo add-apt-repository ppa:openscad/releases
+$ sudo apt update
+$ sudo apt install openscad
+$ sudo apt install fritzing fritzing-parts gimp
+</code>
+=== Présentation ===
+== Documents ==
+Fichier de présentation
+{{ :projets:2019:mdl_stage_lph_fevrier_2019.odp |}}
+=== Code ===
+Code Arduino pour piloter le relai tout en récupérant la température et l'humidité:
+<code>
+int relayPin = 3;                           // relay pin -- Digital 3
+int relayState = HIGH;
+int incomingByte = 0;   // for incoming serial data
+unsigned long previousMillis = 0;
+long checkDHT = 2000;
+void setup() {
+  Serial.begin(9600);
+  pinMode(relayPin, OUTPUT);
+  digitalWrite(relayPin, relayState);
+  previousMillis = millis();
+}
+void loop() {
+  // send data only when you receive data:
+  if (Serial.available() > 0) {
+    // read the incoming byte:
+    incomingByte = Serial.read();
+//    Serial.print("I received: ");
+//    Serial.println(incomingByte, DEC);
+    if (incomingByte == 49) { // ASCII: 1 => 49
+      relayState = HIGH;
+    } else {
+      relayState = LOW;
+    }
+  }
+  unsigned long currentMillis = millis();
+  if (currentMillis - previousMillis >= checkDHT) {
+    previousMillis = currentMillis;  // Remember the time
+    Serial.print("{\"hum\":");
+    Serial.print(random(20,80));
+    Serial.print(",\"temp\":");
+    Serial.print(random(0,50));
+    Serial.println("}");
+  }
+  // set the relay:
+  digitalWrite(relayPin, relayState);
+}
+</code>
+Nodered flow:
+{{ :projets:2019:mdl_stage_nodered_capteur_relai.png?400 |}}
+Avec servo moteur
+<code>
+#include <VarSpeedServo.h>
+#include <ArduinoJson.h>
+VarSpeedServo myservo;    // create servo object to control a servo
+// twelve servo objects can be created on most boards
+int pos = 0;    // variable to store the servo position
+int positionServo = 0;
+int speedServo = 100;
+// Serial reading buffer
+const byte numChars = 60;
+char receivedChars[numChars];   // an array to store the received data
+boolean newData = false;
+StaticJsonBuffer<120> jsonBuffer;
+void recvWithEndMarker() {
+    static byte ndx = 0;
+    char endMarker = '\n';
+    char rc;
+    while (Serial.available() > 0 && newData == false) {
+        rc = Serial.read();
+        if (rc != endMarker) {
+            receivedChars[ndx] = rc;
+            ndx++;
+            if (ndx >= numChars) {
+                ndx = numChars - 1;
+            }
+        }
+        else {
+            receivedChars[ndx] = '\0'; // terminate the string
+            ndx = 0;
+            newData = true;
+        }
+    }
+}
+void setup() {
+  pinMode(9, OUTPUT);
+  myservo.attach(9);  // attaches the servo on pin 9 to the servo object
+  Serial.begin(9600);
+  // myservo.write(positionServo, speedServo, true);
+  newData = false;
+}
+void loop() {
+  recvWithEndMarker();
+  if (newData == true) {
+    JsonObject& root = jsonBuffer.parseObject(receivedChars);
+    if (!root.success()) {
+      Serial.println("parseObject() failed");
+      return;
+    }
+    // Fetch values.
+    //
+    // Most of the time, you can rely on the implicit casts.
+    // In other case, you can do root["time"].as<long>();
+    if(root.containsKey("servo")) {
+      positionServo = root["servo"][0];
+      speedServo = root["servo"][1];
+      // Print values.
+      Serial.println(positionServo);
+      Serial.println(speedServo);
+      // myservo.write(positionServo, speedServo); //, true);        // move to 180 degrees, use a speed of 30, wait until move is complete
+    } else {
+      Serial.println("parseObject() servo key not found");
+    }
+  newData = false;
+  }
+}
+</code>
+Arduino: Programme complet (JSON, relai, ventilo, LDR, DHT11, servo-moteur):
+<code>
+#include <VarSpeedServo.h>
+#include <ArduinoJson.h>
+#include "DHT.h"
+#define LDRPIN 0
+#define DHTPIN 2     // Digital pin connected to the DHT sensor
+#define VENTILOPIN 7
+#define RELAIPIN 8
+#define SERVOPIN 9
+#define DHTTYPE DHT11   // DHT 11
+DHT dht(DHTPIN, DHTTYPE);
+VarSpeedServo myservo;
+unsigned long time;
+unsigned long diff;
+int ldrValue = 0;
+int relayState = LOW;
+int ventiloState = LOW;
+int positionServo = 0;
+int speedServo = 100;
+long checkDHT = 2000;
+// Serial reading buffer
+const byte numChars = 60;
+char receivedChars[numChars];   // an array to store the received data
+boolean newData = false;
+void recvWithEndMarker() {
+    static byte ndx = 0;
+    char endMarker = '\n';
+    char rc;
+    while (Serial.available() > 0 && newData == false) {
+        rc = Serial.read();
+        if (rc != endMarker) {
+            receivedChars[ndx] = rc;
+            ndx++;
+            if (ndx >= numChars) {
+                ndx = numChars - 1;
+            }
+        }
+        else {
+            receivedChars[ndx] = '\0'; // terminate the string
+            ndx = 0;
+            newData = true;
+        }
+    }
+}
+void setup() {
+  pinMode(VENTILOPIN, OUTPUT);
+  pinMode(RELAIPIN, OUTPUT); // relai, broche en mode sortie
+  pinMode(SERVOPIN, OUTPUT);
+  time = millis();
+  dht.begin();
+  myservo.attach(9);  // attaches the servo on pin 9 to the servo object
+  Serial.begin(9600);
+  newData = false;
+}
+void loop() {
+  StaticJsonBuffer<120> jsonBuffer;
+  recvWithEndMarker();
+  if (newData == true) {
+    JsonObject& root = jsonBuffer.parseObject(receivedChars);
+    if (!root.success()) {
+      Serial.println("parseObject() failed");
+      receivedChars[0] = '\0';
+      return;
+    }
+    if(root.containsKey("servo")) {
+      positionServo = root["servo"][0];
+      speedServo = root["servo"][1];
+      myservo.write(positionServo, speedServo, true);
+    }
+    if (root.containsKey("ventilo")) {
+      int ventiloValue = root["ventilo"];
+      if (ventiloValue == 1) {
+        ventiloState = HIGH;
+      } else {
+        ventiloState = LOW;
+      }
+    }
+    if (root.containsKey("relai")) {
+      int relaiValue = root["relai"];
+      if (relaiValue == 1) {
+        relayState = HIGH;
+      } else {
+        relayState = LOW;
+      }
+    } else {
+      Serial.println("parseObject() servo key not found");
+    }
+  newData = false;
+  }
+  diff = millis() - time;
+  if (diff >= checkDHT) {
+    time = millis();
+    float h = dht.readHumidity();
+    float t = dht.readTemperature();
+    // read the value from the sensor:
+    ldrValue = analogRead(LDRPIN);
+    Serial.print("{\"hum\":");
+    Serial.print(h);
+    Serial.print(",\"temp\":");
+    Serial.print(t);
+    Serial.print(",\"ldr\":");
+    Serial.print(ldrValue);
+    Serial.println("}");
+  }
+  // set the relay:
+  digitalWrite(RELAIPIN, relayState);
+  // set the ventilo:
+  digitalWrite(VENTILOPIN, ventiloState);
+}
+</code>
+Nodered flow
+<code>
+[{"id":"3d2aea77.badaf6","type":"tab","label":"Flow 2","disabled":false,"info":""},{"id":"3f949c8b.e9662c","type":"serial in","z":"3d2aea77.badaf6","name":"Arduino liaison série","serial":"7934b4c5.a4c6ac","x":118.50001525878906,"y":105,"wires":[["58f6c8f2.f84108","ee8168db.c30cd8"]]},{"id":"58f6c8f2.f84108","type":"debug","z":"3d2aea77.badaf6","name":"","active":false,"tosidebar":true,"console":false,"tostatus":false,"complete":"false","x":708.5,"y":70,"wires":[]},{"id":"ee8168db.c30cd8","type":"json","z":"3d2aea77.badaf6","name":"","property":"payload","action":"","pretty":false,"x":108.49998474121094,"y":204,"wires":[["47a6359d.a05d6c","ad8bab3b.6151e"]]},{"id":"47a6359d.a05d6c","type":"debug","z":"3d2aea77.badaf6","name":"","active":false,"tosidebar":true,"console":false,"tostatus":false,"complete":"false","x":709.5,"y":162,"wires":[]},{"id":"ad8bab3b.6151e","type":"function","z":"3d2aea77.badaf6","name":"Récupérer Humidity","func":"msg.payload = msg.payload.hum;\nreturn msg;","outputs":1,"noerr":0,"x":156.50001525878906,"y":291,"wires":[["49353fa9.b11378","5aa63008.6e225"]]},{"id":"49353fa9.b11378","type":"ui_chart","z":"3d2aea77.badaf6","name":"","group":"6236518f.ee41e8","order":1,"width":0,"height":0,"label":"Humidité","chartType":"line","legend":"false","xformat":"HH:mm:ss","interpolate":"linear","nodata":"","dot":false,"ymin":"","ymax":"","removeOlder":"10","removeOlderPoints":"","removeOlderUnit":"60","cutout":0,"useOneColor":false,"colors":["#1f77b4","#aec7e8","#ff7f0e","#2ca02c","#98df8a","#d62728","#ff9896","#9467bd","#c5b0d5"],"useOldStyle":false,"x":798.5,"y":274.9999694824219,"wires":[[],[]]},{"id":"5aa63008.6e225","type":"switch","z":"3d2aea77.badaf6","name":"Humidité >= 60","property":"payload.state","propertyType":"msg","rules":[{"t":"gte","v":"60","vt":"num"},{"t":"lt","v":"60","vt":"num"}],"checkall":"true","repair":false,"outputs":2,"x":147.83338928222656,"y":384.333251953125,"wires":[["13b76f6c.0304c9"],["2c7f8898.6e7d38"]]},{"id":"3a206f96.153a9","type":"ui_button","z":"3d2aea77.badaf6","name":"","group":"6236518f.ee41e8","order":3,"width":0,"height":0,"passthru":true,"label":"Arrêter le ventilo","tooltip":"","color":"","bgcolor":"","icon":"","payload":"2","payloadType":"str","topic":"","x":512.8333740234375,"y":646.3333740234375,"wires":[[]]},{"id":"902a3c34.bdb6d","type":"serial out","z":"3d2aea77.badaf6","name":"Arduino sortie","serial":"7934b4c5.a4c6ac","x":822.833251953125,"y":400.16668701171875,"wires":[]},{"id":"e06793a6.3b1558","type":"ui_switch","z":"3d2aea77.badaf6","name":"","label":"Automatique","tooltip":"","group":"6236518f.ee41e8","order":4,"width":0,"height":0,"passthru":true,"decouple":"false","topic":"","style":"","onvalue":"true","onvalueType":"bool","onicon":"","oncolor":"","offvalue":"false","offvalueType":"bool","officon":"","offcolor":"","x":328.8333740234375,"y":531.3333740234375,"wires":[["77a8e113.0544f"]]},{"id":"77a8e113.0544f","type":"switch","z":"3d2aea77.badaf6","name":"","property":"payload","propertyType":"msg","rules":[{"t":"true"},{"t":"false"}],"checkall":"true","repair":false,"outputs":2,"x":551.8333740234375,"y":552.3333740234375,"wires":[[],[]]},{"id":"13b76f6c.0304c9","type":"function","z":"3d2aea77.badaf6","name":"Démarrer ventilo","func":"msg.payload = \"{\\\"ventilo\\\":1}\\n\"\nreturn msg;","outputs":1,"noerr":0,"x":371.8333740234375,"y":355.66668701171875,"wires":[["902a3c34.bdb6d"]]},{"id":"2c7f8898.6e7d38","type":"function","z":"3d2aea77.badaf6","name":"Arrêter ventilo","func":"msg.payload = \"{\\\"ventilo\\\":0}\\n\"\nreturn msg;","outputs":1,"noerr":0,"x":347.2833251953125,"y":437.73333740234375,"wires":[["902a3c34.bdb6d"]]},{"id":"7934b4c5.a4c6ac","type":"serial-port","z":"","serialport":"/dev/ttyUSB0","serialbaud":"9600","databits":"8","parity":"none","stopbits":"1","newline":"\\n","bin":"false","out":"char","addchar":true,"responsetimeout":"10000"},{"id":"6236518f.ee41e8","type":"ui_group","z":"","name":"Chambre","tab":"ad170f6e.de74f8","disp":true,"width":"6","collapse":false},{"id":"ad170f6e.de74f8","type":"ui_tab","z":"","name":"Home","icon":"dashboard","disabled":false,"hidden":false}]
+</code>