{"id":1792,"date":"2017-05-22T12:14:08","date_gmt":"2017-05-22T11:14:08","guid":{"rendered":"http:\/\/www.macerobotics.com\/?p=1792"},"modified":"2017-05-24T13:16:07","modified_gmt":"2017-05-24T12:16:07","slug":"controle-du-robot-mrduino-wireless-par-udp","status":"publish","type":"post","link":"https:\/\/www.macerobotics.com\/?p=1792","title":{"rendered":"Contr\u00f4le du robot MRduino Wireless par UDP"},"content":{"rendered":"

Un tutoriel pour contr\u00f4ler le robot MRduino Wireless par UDP avec un programme python.<\/p>\n

UDP = User Datagram Protocol<\/strong><\/p>\n

\"MRduino-wireless_UDP\"<\/a><\/p>\n

Le contr\u00f4le du robot est r\u00e9aliser par un script en langage python.<\/p>\n

Le programme pour le robot<\/h2>\n

Ce programme permet au robot MRduino Wireless de<\/p>\n

Il faut modifier votre SSID et mot de passe de votre r\u00e9seau Wifi :<\/p>\n

const char* ssid = \"YOUR_SSID\";\u00a0 <\/strong>\r\nconst char* pass = \"YOU_PASSWORD\";\u00a0 \r\n<\/strong><\/pre>\n
Le programme complet :<\/p>\n
#include <ESP8266WiFi.h><\/strong>\r\n#include <WiFiUDP.h><\/strong>\r\n#include <mrduino.h><\/strong>\r\n\r\n\r\nint status = WL_IDLE_STATUS;<\/strong>\r\nconst char* ssid = \"FREEMR\";\u00a0 <\/strong>\r\nconst char* pass = \"WIFINICO\";\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <\/strong>\r\n\r\nunsigned int localPort = 12345; \u00a0<\/strong>\r\nbyte packetBuffer[512]; <\/strong>\r\nWiFiUDP Udp;<\/strong>\r\nint tries=0;<\/strong>\r\n\r\nvoid setup()<\/strong>\r\n{<\/strong>\r\n\r\n\u00a0 Serial.begin(115200);<\/strong>\r\n\r\n  \/\/ wifi init<\/strong><\/span>\r\n\u00a0 WiFi.begin(ssid, pass);<\/strong>\r\n\u00a0<\/strong>\r\n\u00a0 Serial.print(\"[Connecting]\");<\/strong>\r\n\u00a0 Serial.print(ssid);<\/strong>\r\n\u00a0 \r\n  \/\/ wait connexion<\/span><\/strong>\r\n\u00a0 while (WiFi.status() != WL_CONNECTED)<\/strong>\r\n\u00a0 {<\/strong>\r\n\u00a0\u00a0\u00a0 delay(500);<\/strong>\r\n\u00a0\u00a0\u00a0 Serial.print(\".\");<\/strong>\r\n\u00a0\u00a0\u00a0 tries++;<\/strong>\r\n\u00a0\u00a0\u00a0 if (tries > 30)<\/strong>\r\n\u00a0\u00a0\u00a0 {<\/strong>\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 break;<\/strong>\r\n\u00a0\u00a0\u00a0 }<\/strong>\r\n\u00a0 }<\/strong>\r\n\u00a0 Serial.println();<\/strong>\r\n\r\n\u00a0 printWifiStatus();<\/strong>\r\n\r\n  \/\/ wifi connexion<\/strong><\/span>\r\n\u00a0 Serial.println(\"Connected to wifi\");<\/strong>\r\n\u00a0 Serial.print(\"Udp server started at port \");<\/strong>\r\n\u00a0 Serial.println(localPort);<\/strong>\r\n\u00a0 Udp.begin(localPort);<\/strong>\r\n}<\/strong>\r\n\r\nvoid loop()<\/strong>\r\n{<\/strong>\r\nint noBytes = Udp.parsePacket();<\/strong>\r\nString received_command = \"\";<\/strong>\r\n\u00a0<\/strong>\r\n\u00a0 if ( noBytes )<\/strong>\r\n\u00a0 {<\/strong>\r\n    \/\/ read UDP packet<\/strong><\/span>\r\n\u00a0\u00a0\u00a0 Udp.read(packetBuffer,noBytes);<\/strong>\r\n\r\n\u00a0\u00a0\u00a0 for (int i=1;i<=noBytes;i++)<\/strong>\r\n\u00a0\u00a0\u00a0 {<\/strong>\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 received_command = received_command + char(packetBuffer[i - 1]);<\/strong>\r\n\u00a0\u00a0\u00a0 }<\/strong>\r\n\u00a0 \u00a0<\/strong>\r\n\u00a0\u00a0\u00a0 Udp.beginPacket(Udp.remoteIP(), Udp.remotePort());<\/strong>\r\n\u00a0\u00a0\u00a0 Udp.endPacket();<\/strong>\r\n\r\n    \/\/ print command<\/strong><\/span>\r\n\u00a0\u00a0\u00a0 Serial.print(\"COMMANDE =\");<\/strong>\r\n\u00a0\u00a0\u00a0 Serial.println(received_command);<\/strong>\r\n\r\n\u00a0 }<\/strong>\r\n}<\/strong>\r\n\r\nvoid printWifiStatus()\r\n{<\/strong>\r\n\r\n\u00a0 Serial.print(\"SSID: \");<\/strong>\r\n\u00a0 Serial.println(WiFi.SSID());<\/strong>\r\n\r\n\r\n\u00a0 IPAddress ip = WiFi.localIP();\r\n<\/strong>\r\n\u00a0 Serial.print(\"IP Address: \");<\/strong>\r\n\u00a0 Serial.println(ip);<\/strong>\r\n}<\/strong><\/pre>\n
    \n
  • Compiler et t\u00e9l\u00e9charger le programme dans le robot MRduino Wireless<\/li>\n<\/ul>\n
     <\/p>\n
    Le script python<\/h1>\n
    Voici un script python pour envoyer une commande au robot :<\/p>\n
      \n
    • Exemple avec la commande pour allumer la led n\u00b01 :<\/li>\n<\/ul>\n
      import socket<\/strong>\r\nUDP_IP_ADDRESS = \"192.168.0.20\"<\/strong>\r\nUDP_PORT_NO = 12345<\/strong>\r\n\r\nMessage = \"#LED,1,1!\"<\/strong>\r\n\r\nclientSock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)<\/strong>\r\n\r\nclientSock.sendto(Message, (UDP_IP_ADDRESS, UDP_PORT_NO))<\/strong><\/pre>\n
        \n
      • Exemple avec la commande pour faire avancer le robot\u00a0 :<\/li>\n<\/ul>\n
        import socket<\/strong>\r\nUDP_IP_ADDRESS = \"192.168.0.20\"<\/strong>\r\nUDP_PORT_NO = 12345<\/strong>\r\n\r\nMessage = \"#MF,20!\"<\/strong>\r\n\r\nclientSock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)<\/strong>\r\n\r\nclientSock.sendto(Message, (UDP_IP_ADDRESS, UDP_PORT_NO))<\/strong><\/pre>\n
        \"Creative<\/p>\n","protected":false},"excerpt":{"rendered":"
        Un tutoriel pour contr\u00f4ler le robot MRduino Wireless par UDP avec un programme python. UDP = User Datagram Protocol Le contr\u00f4le du robot est r\u00e9aliser par un script en langage python. Le programme pour le robot Ce programme permet au robot MRduino Wireless de Il faut modifier votre SSID et mot de passe de votre …<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[50,44,52],"tags":[],"class_list":["post-1792","post","type-post","status-publish","format-standard","hentry","category-esp8266","category-esus","category-mrduino-wireless"],"_links":{"self":[{"href":"https:\/\/www.macerobotics.com\/index.php?rest_route=\/wp\/v2\/posts\/1792","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.macerobotics.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.macerobotics.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.macerobotics.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.macerobotics.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1792"}],"version-history":[{"count":7,"href":"https:\/\/www.macerobotics.com\/index.php?rest_route=\/wp\/v2\/posts\/1792\/revisions"}],"predecessor-version":[{"id":1816,"href":"https:\/\/www.macerobotics.com\/index.php?rest_route=\/wp\/v2\/posts\/1792\/revisions\/1816"}],"wp:attachment":[{"href":"https:\/\/www.macerobotics.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1792"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.macerobotics.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1792"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.macerobotics.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1792"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}