使用LED

The Radxa Rock has 3 LEDs on board.LEDGPIO ref.GPIO numberGreenGPIO0_B4172BlueGPIO0_B6174RedGPIO0_B7175All are programmable using either LEDs class devices or GPIOs.Contents [hide] 1 LEDs as class devices2 turn off LEDsLEDs as class devicesOn the latest kernel images (Ubuntu 14.0...

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显示

The cpu of Radxa Rock - RK3188 has two LCD controllers, LCD0 and LCD1. On RR, LCD1 is connected to HDMI and LCD0 is connect to AV out and the LCD0 signal are also exported on the extension header.There is some sysfs interface exported to control the display related stuff. The following should w...

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音频

Linux 声音设置HDMI/AV 输出音频你可以使用下面的命令去测试Radxa Rock上的音频： root@radxa:~# speaker-test -t wav -c 2会输出以下信息： speaker-test 1.0.25 Playback device is default Stream parameters are 48000Hz, S16_LE, 2 channels WAV file(s) Rate set to 48000Hz (requested 48000Hz) Buffer size range from 48 t...

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制作Ubuntu固件

安装所需要的包 sudo apt-get install qemu-user-static binfmt-support生成镜像文件 dd if=/dev/zero of=rock_rootfs.img bs=1M count=1024 mkfs.ext4 -F -L linuxroot rock_rootfs.img #kernel use the label linuxroot to mount the rootfs as / sudo mount -o loop rock_rootfs.img /mnt当然你也可以从linaro下载已经编译好的ubuntu...

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编译Linux主干内核(最新版本内核)

Linux Kernel 3.18-rc5StatusWhat currently works in Linux mainline:UARTSPII2CGPIOs / LEDs / IRPWMUSBSD/MMCEthernetWifiBluetoothWhat remains to be done:DRM Display driver / LCD controllerHDMI drivers (ITE66121 / RK616)TV OUT drivers (RK1000)NAND flash supportRequirementsUbuntu 14.10 / GCC 4.9+ (GCC 4....

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编译内核 （linux）

开发要求radxa rock (全版或者简版)64bit Linux (e.g. Ubuntu) 开发环境micro USB 数据线5V/2A的电源安装编译工具链如果你的电脑没有安装工具链，那么可以按照以下命令安装ARM工具链，并编译相关的内核包： sudo apt-get install gcc-arm-linux-gnueabihf sudo apt-get install lzop libncurses5-dev export ARCH=arm export CROSS_COMPILE=arm-linux-gnueabihf-Install the too...

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备份应用

Sometime you might to want to flash your rock, for trying another OS or upgrading or just fun. But there is risk of losing data when flashing. And Flashing the bootloader will wipe all your data, so backup is important.Android appsYou can back up your Android apps on RR with ADB....

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android下设置wifi为AP

If you want to use the radxa rock as a WIFI-AP under android . you can enable the item in settings(More->Portable hotspot->Portable Wi-Fi hotspot).But the setting will be cancelled after reboot. we provider image resolves the problem,you can download here.140224_android_softAp.tgz.

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windows ADB调试

The radxa rock stock android firmware has adb(Android Debugging Bridge) enabled by default. This page describes how to enable android adb debugging under windows.Requirementa radxa rock board(full version or lite version)a desktop/laptop running Windows(XP 32/64bit, Windows 7 32/64 bit)a micro usb c...

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linux ADB调试

This page describes how to connect to Radxa Rock running Android via adb(Android Debugging Bridge).RequirementRadxa Rock running androidPC/Laptop running Linux 32bit/64bit(Ubuntu as an example)Micro USB OTG cableADB under LinuxFirst, install the adb tools: sudo apt-get install android-tools-adb...

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