Différences

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

--- commun:raspberry_pi [2018/08/26 17:01] – modification externe 127.0.0.1
+++ commun:raspberry_pi [2018/12/02 17:39] (Version actuelle) – [wpa_supplicant] francois
@@ Ligne 3: / Ligne 3: @@
 ===== V4l camera module =====
-bcm2835-v4l2
+Créer un fichier ''/etc/modules-load.d/camera.conf'' et ajouter la ligne:
+  bcm2835-v4l2
 ===== Video streaming depuis la caméra =====
@@ Ligne 14: / Ligne 15: @@
 sur VLC
 Ouvrir le flux réseau http://alarmpi_wifi:8090
+===== wpa_supplicant =====
+(ça s'applique à Arch Linux)
+créer le fichier ''/etc/wpa_supplicant/wpa_supplicant.conf''
+<file ini /etc/wpa_supplicant/wpa_supplicant.conf>
+ctrl_interface=/run/wpa_supplicant
+update_config=1
+</file>
+Après, exécuter les commandes suivantes
+<code bash>
+sudo wpa_supplicant -B -i wlan0 -c /etc/wpa_supplicant/wpa_supplicant.conf
+sudo wpa_cli
+</code>
+Et ensuite dans le prompt:
+<code>
+> scan
+OK
+<3>CTRL-EVENT-SCAN-STARTED
+<3>CTRL-EVENT-SCAN-RESULTS
+<3>CTRL-EVENT-NETWORK-NOT-FOUND
+> scan_results
+bssid / frequency / signal level / flags / ssid
+:fe:ed:2b:51:de	2462	-62	[WPA-PSK-CCMP][WPA2-PSK-CCMP][ESS]	wifi_fd
+> add_network
+> set_network 0 ssid "wifi_fd"
+OK
+> set_network 0 psk "mon_mot_de_passe"
+OK
+> enable_network 0
+OK
+<3>CTRL-EVENT-SCAN-STARTED
+>
+<3>CTRL-EVENT-SCAN-RESULTS
+<3>SME: Trying to authenticate with 10:fe:ed:2b:51:de (SSID='wifi_fd' freq=2462 MHz)
+<3>Trying to associate with 10:fe:ed:2b:51:de (SSID='wifi_fd' freq=2462 MHz)
+<3>Associated with 10:fe:ed:2b:51:de
+<3>CTRL-EVENT-SUBNET-STATUS-UPDATE status=0
+<3>CTRL-EVENT-REGDOM-CHANGE init=COUNTRY_IE type=COUNTRY alpha2=FR
+<3>WPA: Key negotiation completed with 10:fe:ed:2b:51:de [PTK=CCMP GTK=CCMP]
+<3>CTRL-EVENT-CONNECTED - Connection to 10:fe:ed:2b:51:de completed [id=0 id_str=]
+<3>WPA: Group rekeying completed with 10:fe:ed:2b:51:de [GTK=CCMP]
+>
+> save_config
+OK
+> quit
+</code>
+Ensuite on teste comme suit
+<code>
+[alarm@alarmpi ~]$ sudo dhcpcd wlan0
+DUID 00:01:00:01:23:7b:1d:48:74:da:38:02:68:aa
+wlan0: IAID 38:02:68:aa
+wlan0: soliciting a DHCP lease
+wlan0: soliciting an IPv6 router
+wlan0: Router Advertisement from fe80::12fe:edff:fe2b:51de
+wlan0: soliciting a DHCPv6 lease
+wlan0: dropping DHCPv6 due to no valid routers
+wlan0: offered 192.168.1.130 from 192.168.1.90
+wlan0: probing address 192.168.1.130/24
+wlan0: leased 192.168.1.130 for 43200 seconds
+wlan0: adding route to 192.168.1.0/24
+wlan0: adding default route via 192.168.1.90
+forked to background, child pid 371
+</code>
+Ensuite créer le fichier de démarrage automatique de wpa_supplicant:
+<file ini /etc/systemd/system/wpa_supp.service>
+[Unit]
+Description=Wifi Network
+After=network.target
+# Limite les re-démarrages à 5 tentatives
+StartLimitIntervalSec=200
+StartLimitBurst=5
+[Service]
+ExecStart=wpa_supplicant -P/var/run/wpasupp.pid -B -i wlan0 -c /etc/wpa_supplicant/wpa_supplicant.conf
+Type=forking
+PIDFile=/var/run/wpasupp.pid
+# Re-essai si échec. Tempo de 30 secondes
+Restart=always
+RestartSec=30
+[Install]
+WantedBy=default.target
+</file>
+Ensuite créer le fichier d'appel dhcp:
+<file ini /etc/systemd/system/dhcpcd_wlan0.service>
+[Unit]
+Description=Wifi Network
+After=wpa_supp.service
+StartLimitIntervalSec=200
+StartLimitBurst=5
+[Service]
+ExecStart=/usr/bin/dhcpcd wlan0
+Type=forking
+PIDFile=/run/dhcpcd-wlan0.pid
+Restart=always
+RestartSec=30
+[Install]
+WantedBy=default.target
+</file>