Android Peripheral Features
From ESS-WIKI
Serial Port
- Click "Serial Port"
- Click "Setup"
- Click "Device" , and choose the used device(e.g. ttymxc1)
- Click "Baud rate" , and choose the used baudrate(e.g. 115200)
Wi-Fi
- Click "Settings"
- Turn Wi-Fi on
- Choose ESSID (e.g. ESSD Testing )
- Input correct password
- Wi-Fi Authenticating/Connecting/Obtaining IP address
- Wi-Fi connected
Ethernet
- Click "Settings" / "Ethernet configuration" , then Turn on Ethernet
- Click "Ethernet configuration"
- Choose Connection Type (DHCP or Static IP)
Update System
- Refer to 1.4.6 to build OTA package.
- Plug SD card that contains OTA package(update.zip) into SD slot.
- Click "Settings" / "About tablet" / "Addition system updates" :
- Wait for one moment, system will reboot for updating
- It will take some time to update.
Watchdog
Example
Fastboot
- Fastboot is a feature which can be used to download images from a computer running either Windows OS or Linux OS to the target storage device.
[Target side]
- Power on the board with USB OTG connected
- Press any key to enter the U-Boot shell
- Select the correct device to do fastboot image download by command
[Uboot] Run the fastboot command:
$ fastboot
[Kernel] you can input this command in the kernel:
$ reboot bootloader ### the board reset to fastboot mode.
[Host side]
- Enter the Android SDK tools directory and find the fastboot utility (fastboot.exe on the Windows OS, fastboot on the Linux OS)
- Copy all downloaded images to the "images" folder
- Run the following commands to flash the SD or eMMC
$ fastboot flash boot images\boot.img
$ fastboot flash system images\system.img
$ fastboot flash recovery images\recovery.img
$ fastboot reboot