[embedded]Unable to locate package

2017-5-11 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 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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标签: embedded

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[ubuntu]批量ln

2017-5-4 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 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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光溜溜的身体

2017-4-28 写生活

有的动物,表面上是没有毛的,比如一些软体动物,比如蛇,比如地龙。 其实人本来是有毛的动物,后来毛退化了,也不知道从什么时候开始穿上了衣服,把身体裹得严实。 于是人几乎无法意识到自己其实是光溜溜的一种生物。 假如没有衣服的话,你想像一下,所有人都光溜溜地在路上走,光溜溜地在桌子边上坐,光溜溜地躺着睡觉, 多滑稽啊,大街上万头攒动,一条条,肉乎乎的,让人浮想联翩啊。是不是很像某些肉乎乎的动物挤在了一个小空间里啊。 突然之间,觉得,怎么看上去人这种生物有一点恶心呢? 哦,我明白了,肉其实是很恶心的东西,所以衣服是件好东西。 我明白了,身体本身是丑的,外面穿上漂亮的衣服就变得美了。

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

2017-4-28 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 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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[embeded] Port u-boot to mini2440 (3)

2017-4-26 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 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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[embedded]nand write.yaffs: Attempt to write error length data!

2017-4-21 写技术

[ ~nicholas@anycle.com ]# tftp 0x30008000 rootfs.img dm9000 i/o: 0x20000300, id: 0x90000a46 DM9000: running in 16 bit mode MAC: 08:00:3e:26:0a:5b could not establish link Using dm9000 device TFTP from server 192.168.0.52; our IP address is 192.168.0.69 Filename 'rootfs.img'. Load address: 0...

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标签: embedded

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