This document provides release notes for Android 2.1 on the BM-170 device. It describes the installation process, known issues, and hardware/software support in this pre-release version. The user should not use this software in production and it is intended for development, testing and demonstration only. Installation requires upgrading the SDGBoot bootloader if older than version 1283. The document outlines steps for reflashing the device and provides information on USB, WiFi, Bluetooth, and other functionality.
Khung gầm chắc chắn, trọng lượng nhẹ
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Âm thanh tốt, loa và bass ấn tượng
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motherboard is the main circuit board.Motherboard has a collection of chips and controllers known as the chip-set. It connects and transmits signals to and from peripherals and components.advantages and disadvantages of mother board and real world applications.
Khung gầm chắc chắn, trọng lượng nhẹ
Hiệu năng ấn tượng so với đối thủ cùng phân khúc
Màn hình có độ sáng và sắc nét cao
Thời lượng pin cao (trên phiên bản FullHD)
Âm thanh tốt, loa và bass ấn tượng
Nguồn: https://laptops.vn/san-pham/hp-envy-13-2021/
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My presentation for Google Developer Group San Francisco. Step-by-step guide to turning a ThinkPad X220 into a Chromium OS Android development machine. Covers flashing modified Coreboot firmware, building and installing Chromium OS from source, and hardware upgrades.
Updated slides at https://goo.gl/ivaugY
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Introduction
Johnny Depp is an actor known for his chameleon-like ability to transform into a wide range of characters. from the eccentric Captain Jack Sparrow in "Pirates of the Caribbean" to the introspective Edward Scissorhands. His long hair is one constant throughout his evolving roles and public appearances. Johnny Depp long hair is not a style choice but a significant aspect of his identity. contributing to his allure and mystique. This article explores the journey and significance of Johnny Depp long hair. highlighting how it has become integral to his brand.
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The Iconic Roles: Hair as a Character Element
Edward Scissorhands (1990)
In "Edward Scissorhands," Johnny Depp's character had a wild and mane that complemented his ethereal and misunderstood persona. This role showcased how long hair Johnny Depp could enhance a character's depth and mystery.
Captain Jack Sparrow: The Pirate with Flowing Locks
One of Johnny Depp's iconic roles is Captain Jack Sparrow from the "Pirates of the Caribbean" series. Sparrow's long, dreadlocked hair symbolised his rebellious and unpredictable nature. The character's look, complete with beads and trinkets woven into his hair. was a collaboration between Depp and the film's costume designers. This style became iconic and influenced fashion trends and Halloween costumes worldwide.
Other Memorable Characters
Depp's long hair has also been featured in other roles, such as Ichabod Crane in "Sleepy Hollow" (1999). and Roux in "Chocolat" (2000). In these films, his hair added a layer of authenticity and depth to his characters. proving that Johnny Depp with long hair is more than a style—it's a storytelling tool.
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Bm 170-android-2.1 r2e
1. Android 2.1 on BM-170 Release Notes - r2e (Android 2.1_r2 - Alpha)
Release
This software is built on Linux kernel 2.6.32 and Android 2.1_r2. Please note that this release is
pre-release of the Android 2.1 software on the BM-170. The user should not use this software in
a production environment, but it should be suitable for development, testing and demonstration
purposes.
Installation
You must already have Linux installed on your BM-170 in order to be able to install this
Android release. Please contact SDG Systems if you have only a Windows Mobile BM-170.
You must have SDGBoot (bootloader) build 1283 or higher for Android. If you have a
build before 1283, you must upgrade SDGBoot according to the instructions below.
SDGBoot 1283 Installation
To upgrade sdgboot, reset the device. Then, while the red line is progressing along the bottom,
press the up arrow 3x quickly. This action will enter reflashing mode. Reflashing must be done
from a Linux host at this time. Now, run the following command from your installation folder:
sudo ./dfu-util -a sdgboot -d 0525:a4a6 -c 2 -D bm170_sdgboot_1283.sdg
After sdgboot has flashed itself, press the Power button to reset the device. You MUST reboot
before flashing other sdg files. At this point, you will likely want to press the up arrow 3x again,
to enter reflashing mode and reflash the remaining images.
Android Installation
To reflash the device with Android, do the following:
Extract the software to a Linux host (e.g. tar zxvf release_name.tgz).
Reset the device (e.g. press the Reset button or remove the battery). When you first see
the SDG logo screen, quickly press the Up button 3x to enter the reflashing screen. You
must do this before the red progress bar reaches the end of the screen.
Now, run ./reflash-it script in the release folder. This will reflash and boot the unit.
After reboot, you will need to calibrate the screen. The calibration utility is found by
opening the bottom application tab. Use the keyboard, if necessary, to open the application
tab.
When the unit first displays the opening screen, performance may be slow as the system
continues to initialize.
Known Problems, Fixes in Progress
We are not currently supporting video capture at this time.
WiFi may not connect on boot. You may have to disable then re-enable it.
The 2D Barcode scanner and RFID are not supported in this release.
Bluetooth headset is supported but may cause a kernel panic - we are investigating
The Web Browser does not report location due to the lack of Google-proprietary code not
available in AOSP.
Bluetooth file transfer "Accept" button does not appear during a Bluetooth transfer.
USB composite driver
This release now supports a USB composite driver. ADB over USB is enabled by default.
2. You can easily enable and disable the various USB functions:
# echo 1 > /sys/class/usb_composite/rndis/enable
# echo 0 > /sys/class/usb_composite/rndis/enable
# echo 1 > /sys/class/usb_composite/usb_mass_storage/enable
# echo 0 > /sys/class/usb_composite/usb_mass_storage/enable
# echo 1 > /sys/class/usb_composite/adb/enable
# echo 0 > /sys/class/usb_composite/adb/enable
At this time, Windows is able to use only RNDIS (and adb over RNDIS), or adb directly over USB
and USB mass storage, simultaneously. By default Android is configured to use ADB-over-USB. In
this case, do not set the ADBHOST environment variable.
To change the default USB functions, you can do so by commenting or uncommenting the
relevant lines in /init.bb_bm170.rc on your Android device (vi that file and search for 'write').
Android Software
At this time, we do not have the Android Market application. Many applications found in the
market, however, may also be found at http://www.androidfreeware.org/, including Google
Maps, Opera, Astro File Manager, etc.
You can install these applications using 'adb install <application.apk>'. Or, use the Android
Central Side Load Wonder application on Windows for installing applications:
http://www.androidcentral.com/sideload-android-apps-all-you-want-sideload-wonder-machine.
USB Ethernet
This section provides details on how to set up USB Ethernet networking between a host computer
and the BM-170 with Android.
Note: Internet Sharing will only work in this release if you set the default route on the
BM-170 to 192.168.0.1. To do this, you must 'adb shell' to the device, then execute
busybox route add default gw 192.168.0.1. Doing so will disable GSM and other
network connectivity on the BM-170.
Linux Host
Linux can use any combination of USB functions simultaneously (RNDIS, adb, and USB mass
storage).
By default, the USB client connection to the BM-170 is both ADB-over-USB and USB mass
storage. To use ADB-over-USB, do not set ADBHOST. ADBHOST is only used for USB Ethernet.
The USB client connection to the BM-170 may instead be a USB Ethernet (RNDIS) connection. To
use USB Ethernet on a Linux computer, you must be running Linux kernel 2.6.30 or higher, or
have a patched USB Ethernet gadget driver. This networking has been tested on Ubuntu 10.04
(Lucid Lynx). In /etc/network/interfaces, put the following entry:
auto usb0
iface usb0 inet static
address 192.168.0.1
netmask 255.255.255.0
3. You should now be able to ping 192.168.0.201. If you cannot, then do sudo ifdown usb0; sudo
ifup usb0.
Windows Host
To connect using ADB-over-USB to your Android device, you will need to install the Google
Windows drivers. On some Windows systems, this driver will be found by default. Otherwise,
please see this page for more information: http://developer.android.com/sdk/win-usb.html. using
this approach, do not set ADBHOST on your Windows computer.
To connect using USB-Ethernet with your Android device from SDG Systems, you will need to
install the android-usb-xp.inf driver. For Vista64 or Windows7, you will need to install the
bugvista64.inf driver
In the USB-Ethernet case, the Android device uses RNDIS to connect to Windows XP. To install
the driver, follow these steps. First, download the driver to a well-known location, such as your
Desktop. Second, plug in the BM-170 or other Linux device. When Windows prompts you for a
driver, select that you would like to have this Networking driver installed from a specific location.
Tell the setup wizard not to search. Next, if asked what hardware type, select "Network
adapters." When prompted, select the "Have Disk" option and specify the location where you
stored the android-usb-xp.inf file. Select the "Android USB Ethernet/RNDIS Gadget" and
continue. If Windows warns that the driver has not passed Logo testing, select "Continue
Anyway". Finally, assign the IP address recommended in the release notes, or specific to your
configuration by going into the Control Panel, Networking options. The Android gadget device will
have a name similar to "Local Area Connection 3". Edit the properties of this device, and change
the TCP/IP address to 192.168.0.1.
On a Windows XP box, right-click on the Internet-facing network connection, and select
Properties. Then click the Advanced tab. Then turn on Internet Connection Sharing and for the
"Home networking connection" choose the connection name for the Linux RNDIS connection.
For Vista, download the driver to a well-known location, such as your Desktop. Second, plug in
the BM-170 or other Linux device into the Vista computer. Vista will now attempt to install the
driver from the standard Microsoft location. It will fail. Next select "Show Me Other Options", and
it will allow you to browse your computer for the driver. In the file box, select the location to
where you downloaded the driver. The driver will not install, and will create a network connection
that is named something like "Local Area Connection 2". Edit the properties of this device, and
change the TCP/IP address to 192.168.0.1.
The next step is to enable sharing on your Ethernet or WiFi connection. In the Network and
Sharing Center, select "View Status" for the connection that goes to the Internet. Next select
"Properties", then the Sharing tab. Enable Sharing, and select the connection of the Linux device
as the connection on which you would like to enable sharing (the so-called "Home networking
connection").
See Note above regarding Internet sharing.
General
To use the GPS, you must turn on Location Services: Settings -> Security & Location ->
Enable GPS satellites. It is enabled by default.
To use 802.11 and/or Bluetooth, you must configure and enable it: Settings -> Wireless &
networks.
GSM data services should automatically connect to your cellular network. If not, you must
configure an APN for your provider: Settings -> Wireless & networks -> Mobile networks ->
Access Point Names (Menu -> Add).
4. Busybox is installed in the root. Links are in /system/xbin.
Hardware Support
Android Debug Bridge (adb over USB) - Working with root access
Touchscreen - Working
Keypad - Working. Mapping is as follows:
Left Context is Menu
Right Context is Home
Side Button is Back
Graphics (Framebuffer) - Working
802.11 - Working
Barcode scanning - 1D scanner working by using Yellow scan buttons for EAN13/UPC,
Code128, and Code39
GPS - In testing
SD Card - Working
Battery Monitoring - Working
USB Host - Working (both internal GSM and external USB Host adapter, but specific devices
not yet support, like USB Mass Storage)
Sound - Working
Backlight control - Working
Bluetooth - Working
Camera - Not Working
GSM - Not Working
ADB over USB Ethernet
This release works with adb either over USB-Ethernet or directly over USB. As installed, it uses
adb-over-usbnet (USB-Ethernet). For USB-Ethernet, the BM-170 will have the IP address
192.168.0.201. You must enter the following on a Linux PC:
$ export ADBHOST=192.168.0.201
$ adb kill-server; adb devices
Or on Windows:
> set ADBHOST=192.168.0.201
> adb kill-server
> adb devices
And you should see something like this:
* daemon not running. starting it now *
* daemon started successfully *
List of devices attached
emulator-5554 device
NOTE: This release has changed the default USB mode to ADB over USB.
Recent Fixes or Changes