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lsusb

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dmesg | grep usb

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sudo lshw -C network

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rfkill list

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espe@PML-ESPE:~$ lsusb
Bus 001 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 002: ID 0bda:8176 Realtek Semiconductor Corp. RTL8188CUS 802.11n WLAN
Bus 002 Device 002: ID 046d:c05a Logitech, Inc. Optical Mouse M90
Bus 002 Device 003: ID 125f:c81a A-DATA Technology Co., Ltd. Flash drive
espe@PML-ESPE:~$ dmesg | grep usb
[    0.169634] usbcore: registered new interface driver usbfs
[    0.169670] usbcore: registered new interface driver hub
[    0.169767] usbcore: registered new device driver usb
[    1.115634] usb 1-2: new full speed USB device number 2 using uhci_hcd
[    1.460542] usb 2-1: new low speed USB device number 2 using uhci_hcd
[    1.780026] usb 2-2: new full speed USB device number 3 using uhci_hcd
[   42.812717] usbcore: registered new interface driver uas
[   42.836170] scsi2 : usb-storage 2-2:1.0
[   42.839906] usbcore: registered new interface driver usb-storage
[   42.847110] input: Logitech USB Optical Mouse as /devices/pci0000:00/0000:00:1f.4/usb2/2-1/2-1:1.0/input/input3
[   42.847462] generic-usb 0003:046D:C05A.0001: input,hidraw0: USB HID v1.11 Mouse [Logitech USB Optical Mouse] on usb-0000:00:1f.4-1/input0
[   42.847518] usbcore: registered new interface driver usbhid
[   42.847522] usbhid: USB HID core driver
[   74.271488] usbcore: registered new interface driver rtl8192cu
espe@PML-ESPE:~$ sudo lshw -C network
[sudo] password for espe: 
Sorry, try again.
[sudo] password for espe: 
  *-network               
       description: Ethernet interface
       product: 82801BA/BAM/CA/CAM Ethernet Controller
       vendor: Intel Corporation
       physical id: 8
       bus info: pci@0000:02:08.0
       logical name: eth0
       version: 03
       serial: 00:09:6b:32:a6:a8
       size: 10Mbit/s
       capacity: 100Mbit/s
       width: 32 bits
       clock: 33MHz
       capabilities: pm bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd autonegotiation
       configuration: autonegotiation=on broadcast=yes driver=e100 driverversion=3.5.24-k2-NAPI duplex=half firmware=N/A latency=66 link=no maxlatency=56 mingnt=8 multicast=yes port=MII speed=10Mbit/s
       resources: irq:20 memory:f2000000-f2000fff ioport:2000(size=64)
  *-network
       description: Wireless interface
       physical id: 2
       bus info: usb@1:2
       logical name: wlan0
       serial: 00:e0:4c:03:d7:b9
       capabilities: ethernet physical wireless
       configuration: broadcast=yes driver=rtl8192cu driverversion=3.0.0-13-generic firmware=N/A link=no multicast=yes wireless=IEEE 802.11bgn
espe@PML-ESPE:~$ rfkill list
0: phy0: Wireless LAN
	Soft blocked: no
	Hard blocked: no

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dmesg | grep rtl8192cu

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lsmod | rtl

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espe@PML-ESPE:~$ dmesg | grep rtl8192cu
[   72.393093] rtl8192cu: MAC address: 00:e0:4c:03:d7:b9
[   72.393108] rtl8192cu: Board Type 0
[   73.449530] rtl8192cu: rx_max_size 15360, rx_urb_num 8, in_ep 1
[   73.560940] usbcore: registered new interface driver rtl8192cu
[   74.104740] rtl8192cu: MAC auto ON okay!
[   74.369796] rtl8192cu: Tx queue select: 0x05
[   74.373798] rtl8192c: Loading firmware file rtlwifi/rtl8192cufw.bin
espe@PML-ESPE:~$ lsmod | rtl
Comando "rtl" non trovato. Forse si intendeva:
 Comando "rtc" dal pacchetto "nvram-wakeup" (universe)
 Comando "rt2" dal pacchetto "rttool" (universe)
 Comando "rt" dal pacchetto "rt3.8-clients" (universe)
 Comando "rt" dal pacchetto "rt4-clients" (universe)
 Comando "rl" dal pacchetto "randomize-lines" (universe)
 Comando "rpl" dal pacchetto "rpl" (universe)
rtl: comando non trovato

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===============================================================================
		Software Package - Component
===============================================================================
	1. ReleaseNotes.doc

	2. document/

	3. driver source code

		3.1 Makefile - to build the modules

		3.2 Script and configuration for DHCP:
			"wlan0dhcp"
			"ifcfg-wlan0"

		3.3 Example of supplicant configuration file:
			"wpa1.conf"

		3.4 Script to run wpa_supplicant
			"runwpa"

		3.5 Script to clean relative modules
			"clean"

	4. wpa_supplicant/wpa_supplicant-0.6.9_wps_patch_20100201.zip
			The tool help the wlan network to communicate under the
			protection of WPAPSK mechanism (WPA/WPA2) and add WPS patch

	5. install.sh
	   Script to easy make 8192cu driver.
	
==================================================================================================================
		User Guide(1) - connecting wireless networking using "Network Manager" GUI utility (For PC Linux)
==================================================================================================================
			(1) Network Manager is a utility attempts to make use of wireless networking easy.

			(2) Notes: if you want to use the following command-line method to connect wireless networking,
						please disable the "Network Manager", because "Network Manager" will conflict with method of command line .

==================================================================================================================
		User Guide(2) - Using the wpa_cli & wpa_supplicant tools (For embedded Linux)
==================================================================================================================

	Please refer to the document/wpa_cli_with_wpa_supplicant_20091227.doc

==================================================================================================================
		User Guide(3) - Set wireless lan MIBs in Command Line (Legacy command - Not recommend)
==================================================================================================================
This driver uses Wireless Extension as an interface allowing you to set
Wireless LAN specific parameters.

Current driver supports "iwlist" to show the device status of nic
        iwlist wlan0 [parameters]
where
        parameter explaination      	[parameters]
        -----------------------     	-------------
        Show available chan and freq	freq / channel
        Show and Scan BSS and IBSS 	scan[ning]
        Show supported bit-rate         rate / bit[rate]

For example:
	iwlist wlan0 channel
	iwlist wlan0 scan
	iwlist wlan0 rate

Driver also supports "iwconfig", manipulate driver private ioctls, to set
MIBs.

	iwconfig wlan0 [parameters] [val]
where
	parameter explaination      [parameters]        [val] constraints
        -----------------------     -------------        ------------------
        Connect to AP by address    ap              	[mac_addr]
        Set the essid, join (I)BSS  essid             	[essid]
        Set operation mode          mode                {Managed|Ad-hoc}
        Set keys and security mode  key/enc[ryption]    {N|open|restricted|off}

For example:
	iwconfig wlan0 essid "ap_name"
	iwconfig wlan0 ap XX:XX:XX:XX:XX:XX
	iwconfig wlan0 mode Ad-hoc
	iwconfig wlan0 essid "name" mode Ad-hoc
	iwconfig wlan0 key 0123456789 [2] open
	iwconfig wlan0 key off
	iwconfig wlan0 key restricted [3] 0123456789
        Note: Better to set these MIBS without GUI such as NetworkManager and be sure that our
              nic has been brought up before these settings. WEP key index 2-4 is not supportted by
              NetworkManager.

===============================================================================
		Getting IP address (For User Guide(2) & User Guide(3))
===============================================================================
After start up the nic and connect to AP successfully, the network needs to obtain an IP address 
before transmit/receive data.
This can be done by setting the static IP via "ifconfig wlan0 IP_ADDRESS"
command, or using DHCP.

If using DHCP, setting steps is as below:
	(1)check if the WiFi had connected to an AP via "iwconfig" command
		$> iwconfig

	(2)run the script which run the dhclient
		$> ./wlan0dhcp
           or
		dhcpcd wlan0
              	(Some network admins require that you use the
              	hostname and domainname provided by the DHCP server.
              	In that case, use
		dhcpcd -HD wlan0)


===============================================================================
		WPAPSK/WPA2PSK - using wpa_supplicant (For User Guide(3))
===============================================================================

	Wpa_supplicant helps to secure wireless connection with the protection of
WPAPSK/WPA2PSK mechanism. Please refer to the document/wpa_cli_with_wpa_supplicant_20091227.doc

===============================================================================
		WPS - PIN & PBC methods
===============================================================================

		(*) Please refer to the document/wpa_cli_with_wpa_supplicant_20091227.doc

===============================================================================
		Power Saving Mode
===============================================================================

		(*) Please refer to the document/HowTo enable the power saving functionality.doc

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lsmod | grep rtl

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L-ESPE:~$ lsmod | grep rtl
rtl8192cu              97651  0 
rtl8192c_common        69519  1 rtl8192cu
rtlwifi                95614  1 rtl8192cu
mac80211              393459  3 rtl8192cu,rtl8192c_common,rtlwifi
cfg80211              172392  2 rtlwifi,mac80211

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sudo ps -e | grep Network

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sudo kill id-processo

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sudo ps -e | grep wpa

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sudo kill id-processo

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sudo iwconfig wlan0 essid nomedelnetwork key s:latuapassword

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sudo ifconfig wlan0 up

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sudo iwconfig wlan0 essid NomeDellaMiaReteWiFi key s:PasswordDellaMiaReteWiFi
Error for wireless request "Set Encode" (8B2A) :
    SET failed on device wlan0 ; Invalid argument.