Android 7.1.2 Nougat

Home 9 Android 7.1.2 Nougat

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Emtrion has designed this Android developer-kit to help you design your Android application quickly and efficiently, and evaluate it directly on the Hardware.

By simply running the virtual machine provided, you can start developing your application using the Android Studio. The SDK is already installed. No download or installation is required to start.
The version of Android OS running on the developer-kit is a custom Android version made by Emtrion. It is compliant with the vanilla Android 7.1.2 named “Nougat” but with some restrictions on specific points. You can find those points below on the section “Available devices/interfaces”.

 

The process of making or rebuilding the Android OS is substantial and requires a lot of knowledge regarding Linux and Android. If you have any requests or particular needs, Emtrion can build a custom Android OS for you. Please contact sales@emtrion.de for any questions regarding this point.

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Drivers

Name
Status
Comments
Limitations
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USB OTG

available

adb debugging via USBF or USB Mass Storage

GPIO

available

via sysfs

I2C

on request

driver for Android Studio on request.

WLAN

available

Support for Intel Centrino Advanced-N 6235 (M/N 6235ANHMW) via PCIe, other modules on request.

USB Device

available

adb debugging via USBF

UARTS

available

RTC

available

PCIe

available

DIMM_MX6_PCIE

SPI

on request

driver for Android Studio on request.

CAN

on request

CAN driver is started, libraries for Android Studio on request!

Bluetooth

on request

USB Host

available

USB Mass Storage, USB Mouse, USB Keyboard

Touch

available

Capacitive touch ft5x0x on EDT-Display

SDCard

available

mounted as extsd

LVDS

on request

LCD

available

EDT-Display Family

HDMI-Video

on request

HDMI-Audio

on request

Ethernet

available

wired, 1GB/s

Backlight

available

for EDT-Display Family

Audio

available

SGTL5000

True

Dienste

Name
Status
Comments
Limitations
Links

Debugging

available

adb via USB Function or TCI/IP

True

Release Notes

Known Issues

Article

Licensing and Certification

Details

Article available: True

Block diagram

Downloads / Documents

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Developer Kits

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Accessories

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Supported operating systems

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FAQ

Android: Installing a new application


How to install a new application to android rootfs?

For installing an application one must provide the apk-file of this application. Copy this file for example to an SDC. The installation is performed by calling

pm install xxx.apk /

in the console of Android (terminal application or serial interface).

Changing display settings


Is it possible to change the display settings?

The selection of the display or display port is done by the bootargs parameter list. Have a look at the file /boot/uboot_script, there you'll find all the settings for different boot scenarios.

The variable "display_fb0" controls which display or display port should be used. Changing the parameters there results in different display settings. "display_fb0_lcd", "display_fb0_hdmi" and "display_fb0_lvds" are examples for selecting the RGB, HDMI or LVDS port.

It is possible to do some experiments by changing the values of "display_fb0" but make sure not to brick this file, otherwise, the kernel won't boot anymore and you must restore the flash contents. For modifying this file, boot the OS and change to the directory /boot. The editor vi (busybox) is available for editing.

cd /boot
busybox vi uboot_script

Note: Despite LVDS and HDMI, choosing a customer-specific display usually necessitates a specific adaption board. Please contact info@emtrion.de if you have special needs.

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