苗火 Nicholas

[embedded]How to build phonon for arm

2017-5-12 萧 写技术

1.Go to library directory of arm qt first. cd qt-everywhere-opensource-src-4.8.6-arm/src/phonon 2.Here you can find that the true code is not in the directory by phonon.pro 3.But you can build as well. make make install 4.Head and library files will be insta...

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标签: embedded

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[embedded]The first program about gstreamer like "Hello world"

2017-5-11 萧 写技术

1.Install gstreamer librarys. But in my system its version is 0.10. gstreamer1-devel gstreamer1-plugins-base-tools gstreamer1-devel-docs gstreamer1-plugins-base-devel gstreamer1-plugins-base-devel-docs gstreamer1-plugins-good gstreamer1-plugins-good-extras gstreamer1-plugins-ugly gstreamer1-plu...

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标签: embedded

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[embedded]Unable to locate package

2017-5-11 萧 写技术

If you apt-get install some package but return that error "Unable to locate package ***", That because of your system not support the package you choosed. Search the right package first by typing: apt-cache search *** Or typing: apt-cache serach ***|grep ****** ...

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标签: embedded

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[embedded]Port an application by qtcreate to mini2440

2017-5-9 萧 写技术

1. Copy arm-linux-gcc library to root file system. #cp /opt/crosstool/gcc-4.4.3/arm-none-linux-gnueabi/lib/*  busybox/_install/lib -a The "-a" options let soft link to new directory but not truely file. 2.Copy qt-arm library to root file system. #cp /usr...

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[ubuntu]批量ln

2017-5-4 萧 写技术

for file in `ls arm-*` do #ln -s $file ${$file/arm-unknown-linux-gnueabi/arm-linux}; ln -s $file ${file/arm-unknown-linux-gnueabi/arm-linux} done

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[embedded]usr/include/x86_64-linux-gnu/bits/fcntl2.h:51:24: error: call to

2017-5-4 萧 写技术

There is an error while building tslib. usr/include/x86_64-linux-gnu/bits/fcntl2.h:51:24: error: call to That because of new version gcc: vim tests/ts_calibrate.c : if ((calfile = getenv("TSLIB_CALIBFILE")) != NULL) { cal_...

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标签: embedded

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[ubuntu]The volume "boot" has only 9 MB disk space remaining

2017-4-28 萧 写技术

Open terminal and check your current kernel: uname -r  DO NOT REMOVE THIS KERNEL! Next, type the command below to view/list all installed kernels on your system. dpkg --list | grep linux-image  Find all the kernels that lower than your current kernel. When you know which kernel ...

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标签: ubuntu

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[embedded]Install qt lib for pc and embedded

2017-4-28 萧 写技术

$ tar zxvf qt-everywhere-opensource-src-4.8.6.tar.gz $ sudo apt-get install libx11-dev libxext-dev libxtst-dev $ cp qt-everywhere-opensource-src-4.8.6/ qt-everywhere-opensource-src-4.8.6-x11 -fr $ cd qt-everywhere-opensource-src-4.8.6-x11/ $ ./configure --prefix=/usr/local/qt-4.8.6-x11 $ ...

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标签: embedded

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[embeded] Port u-boot to mini2440 (3)

2017-4-26 萧 写技术

After embedded board run to kernel, it will called a file system. It is NAND flash in mini2440 system board, so take a yaffs file system to the flash. This part is for porting yaffs file system function in u-boot. 1.Edit /common/cmd_nand.c: diff -uNr u-boot-2009.08_nand/common/cmd_...

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[embeded] Port u-boot to mini2440 (2)

2017-4-25 萧 写技术

Step one -> Port NAND flash driver: 1.Edit /deivers/mtd/nand/s3c2410_nand.c diff -uNr u-boot-2009.08_0319_ok/drivers/mtd/nand/s3c2410_nand.c u-boot-2009.08_nand/drivers/mtd/nand/s3c2410_nand.c --- u-boot-2009.08_0319_ok/drivers/mtd/nand/s3c2410_nand.c 2017-03-19 15:24:54.00000000...

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标签: embedded

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