苗火 Nicholas

[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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[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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[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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[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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[embedded]nand write.yaffs: Attempt to write error length data!

2017-4-21 萧 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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[embedded]Wrong of kernel while initialling the NAND flash

2017-4-19 萧 写技术

There is something wrong with the kernel while initialling the NAND flash. brd: module loaded S3C24XX NAND Driver, (c) 2004 Simtec Electronics s3c24xx-nand s3c2440-nand: Tacls=3, 29ns Twrph0=7 69ns, Twrph1=3 29ns s3c24xx-nand s3c2440-nand: NAND soft ECC NAND device: Manufacturer I...

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[embedded]u-boot: Retry count exceeded;starting again

2017-4-19 萧 写技术

@:tftp 0x30008000 rootfs.img Filename 'rootfs.img'. Load address: 0x30008000 Loading: T ##########T T #####################################################T ##T T          #T T T T ###### Retry count exceeded; starting again dm9000 i/o: 0x20000300, id: 0x90000a46 DM9...

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