transmitted by WiFi, we need to initialize to batch URB, corresponding operation function is usb_fill_bulk_urb ();(4) Submit the URB to the USB core;(5) After the successful submission, the completion function of URB will be called by the USB core.Now we step through the process of detailed analysis, so-called creation and allocation, is essentially the allocati
Transplantation of USB Wifi module RT3070 driver and wifirt3070 driver on the tianembedded E9 Platform
Due to project work requirements, point-to-point and multi-point transmission of wifi must be implemented on the embedded E9 platform.
://gridlox.net/diff/rt5592sta_fix_64bit_3.8.patch
Mark
patch -p1
A file cannot be found. Then make is successful. Then make install.
In/etc/modprobe.d/blacklist.confAdd at the end
#Blacklistconflictingkernelmodulesblacklistrt2800pciblacklistrt2800libblacklistrt2x00usbblacklistrt2x00pciblacklistrt2x00libblacklistrt2860stablacklistrt3090sta
Restart and the wireless network card is available.
Then open the hotspot. For more information, see
Http://blog.sina.com.cn/s/blog_6e390e0701
This article describes how to port the Realek RTL8723A Linux Wifi driver in Linux 3.10.
Prerequisites
Hardware Platform: Atmel SAMA5
Software Platform: Linux 3.10 + Android 4.4
Wifi module: RTL8723AU (USB Interface)
Realtek RTL8723A Wi-Fi Software Driver for Linux and A
This article takes the RealTek 8192cu WiFi module as an example to introduce the debugging notes of USB WiFi in jelly bean 4.1.
1. Overview of wifi disconnection
If the Wi-Fi cannot be opened, you can select the WiFi option under the settings of the UI and set it to on, but
A. Android platform WiFi Basic code path
1. wpa_supplicant Source Section
external/wpa_supplicant_6/
Build library libwpa_client.so and daemon wpa_supplicant
2. WiFi HAL Layer Code
Located in hardware/libhardware_legary/wifi/
3. The JNI part of WiFi
Located in Frameworks/base/core/jni/android_net_wifi_wifi.cpp
4. Java
With the increasing of USB devices, development of USB driver is becoming more and more important in embedded development. Windows CE's support for USB 2.0 is a huge boost to this wave of new technologies. The author of this article analyzes his own use-driven development experience, hoping that readers can take less d
Transplantation of rt2870 USB wifi on mx53 Android platform
There are a lot of porting tutorials for USB wifi on the Linux platform online, but there are few complete tutorials for porting on Android. It took a whole week to transplant this driver, here are the detailed tran
ELM327 can divided into different categories according to the different ways1) Operating SystemELM327 is designed to work on various systems, Android and PC system, Android and iOS system, Android, iOS and PC system, Android and Symbian system, IOS system only etc. Different system based ELM327 scanners highlights Different features, also differs in software installation and usage. Users had better to pick up one, that meets their PHONE/PC requirements.2) Connection ModeELM327 Products is design
Hardware platform: Freescale MX258 Development Board
Operating system: Linux2.6.31
wifi:rt2860 USB WiFi Module
Cross-compilation environment: GCC version 4.1.2
Debugging steps:
The first step: testing the USB host interface
To set the USB host to kernel mode in Menuconfig:
After recompiling the kernel, start the Dev
Android logcat Method for viewing non-wifi/usb devices, androidlogcatAndroid: how to view logcat without wifi/usb devices
A custom Android device with wifi removed. I need to debug a USB device so that I cannot use
Are you still using a USB cable to connect your mobile phone to access sdcard ?, You are out. This article will tell you that if you connect your laptop to your mobile phone through wifi and quickly access sdcard, you certainly do not need a wireless router.
Prerequisites
The laptop system is windows 7, and the wireless network card is normal and the driver is
Millet Portable WiFi is a lot of users will choose WiFi soft, you can send the computer network into WiFi signal, so that mobile phones, tablets and other platform devices to share signals. However, recently, some netizens said that the download of the Millet portable WiFi driver
purchased today. D-Link dwl-g122 usb wifi dongle. The device can be supported by Linux and there are several ways to install the driver:
using ndiswrapper install directly Windows xp version (currently ndiswrapper supports only Xp version of the driver files ( *.inf ).
directly from Realtek downloa
Preparation Tools
1. Operating system: windows8.1 Professional Edition
2. Driver: Millet Portable WiFi Beta driver update
Millet Portable WiFi win8.1 driver installation
The first time to download a good millet portable WiFi
(1) common interfaces of the WiFi card include-CF interface-USB interface-sdio interface-SPI interface-PCMCIA Interface. In many cases, the same WiFi card supports multiple interfaces at the same time, for example, the 8686 WiFi card of Marvell supports both the SPI interface and sdio interface. (2) differences between
other is to use ARM-LINUX-GNUEABI-GCC for cross-compiling. The second way I used it, GitHub provided the version I compiled3. Copy firmware to Orangepi/lib/firmware, Orangepi Wily does not provide firmware so we have to manually copy firmware from somewhere else, I copied it from Ubuntu on my PC.The principle of firmware.c work:When USB WiFi is plugged in, the RTL8192CU
Depressed, the previous writing was not saved, and I had to write it again ......
A few days ago, I wrote an article about wifi.ArticleSome WiFi driver debugging tools are introduced in detail. problems occurred during the debugging of jiangjian WiFi driver today:
The rt3070 chip used by the
ORANGEPI-PC + ubuntu 14.04 natively supports firmware reading, the reason why the RTL8192CU firmware is not loaded is because ORANGEPI-PC's Ubuntu 14.04 (trusty) No firmware providedAll we need to do is copy firmware from somewhere else to Orangepi/lib/firmware, I'm a copy of Ubuntu from my laptop firmwareWhen the NIC is loaded, because there is no interface, so we need to configure the network card with the command line, I use the following methods:1. Change the/etc/network/interfaces to add th
for desktop computers or netbooks that do not have a built-in wireless network card, the wireless network can be connected to a desktop computer by purchasing a USB wireless network card, then plugging in the USB port of the computer, and then installing the UBS Wi-Fi card driver. For a desktop computer, the key to the wireless network is the installation of a dr
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