baibu1411-优快云博客

转载 ubuntu boot issue

I install ubuntu in a mobile-harddisk. But can not boot. I use below method solved this issue.1. please insert a U-disk setup: enter ubuntu, setup ubuntu repair.2. run ubuntu repair will setup ...

2019-06-09 16:51:00 226

转载 dra7xx: configure for rtos usecase to bulild

example for in hlos add rtos usecase to build.commit f01f061b6db87566e9623ebf43b2466586e1f9fbDate: Fri May 10 17:06:40 2019 +0800 VSDK build: add RTOS usecases to builddiff --git a/app...

2019-05-29 11:39:00 249

转载 dra7xx: example for vdrm display

example for vdrm display: this ca dispaly early boot and vdrm linuxFrom vsdk0305, hlos support vdrm.commit b9beb57b5a2716aa2331b89784f7d613bc6c3dd5Author: xxx Zhang <xxx@xxx.com>Date: ...

2019-05-29 11:24:00 619

转载 dra7xx: example for communication between hlos and rtos

example for hlos send cmd to rtos. Share message beteen hlos usecase and rtos usecase.commit 06716a048f0870a0762782dcc93fd084f5920665Author: xxx Zhang <>Date: Tue May 28 13:43:23 2019 ...

2019-05-29 11:03:00 284

转载 ccs debug kernel

ccs kernel debugSome time, we need to debug kernel for locate key message. So need to single step to debug kernel code. Below method that provided you to debug kernel code.1 understand below fi...

2019-05-29 10:54:00 359

转载 initcall_debug

initcall_debug1 open initcall_debug in kernelOpen initcall_debug : this can printf initcall function in kernel console. diff --git a/init/main.c b/init/main.c index 649c622..67e...

2019-05-29 10:46:00 724

转载 kill process

https://www.cnblogs.com/liaojie970/p/7131043.html转载于:https://www.cnblogs.com/widic/p/10482180.html

2019-03-06 11:24:00 147

转载 USB development guide

1 USB General Guide Linux v3.8转载于:https://www.cnblogs.com/widic/p/10406453.html

2019-02-20 14:34:00 142

转载 MMC device

https://www.cnblogs.com/hzl6255/p/9642451.htmlFor wifihttps://my.oschina.net/u/994235/blog/180146https://blog.youkuaiyun.com/qq_38880380/article/details/79900784400kHz->cmd0 idle状态->cmd41 设...

2018-12-29 16:27:00 250

转载 memtester

Perform Memtester From KernelFrom kernel, you can verify DDR byrunning memtester from kernel. The memtester utility from kernel isused to check integrity andfunctionality of the DDR by perfor...

2018-12-29 10:19:00 219

转载 mcasp dra7xx

tinyplay PCM+headertinyplay 可以播放PCM这种RAW的数据。格式为.waveomapconf show MCASP3omapconf dump MCASP3转载于:https://www.cnblogs.com/widic/p/10194248.html

2018-12-29 10:17:00 181

转载 disable eth

有两个方法（1）CONFIG_ETHERNET=n(2) kernel dts&mac {status = "okay";status = "disable";dual_emac;};转载于:https://www.cnblogs.com/widic/p/10192402.html

2018-12-28 19:20:00 183

https://www.cnblogs.com/wangkongming/p/3533240.htmlhttps://blog.youkuaiyun.com/lj512926718y/article/details/52165224?utm_source=blogxgwz3If you encountered an issue, menubar disappears, you can use A...

2018-11-20 14:19:00 205

转载 lcd parameter calculate setting

panel-timing { clock-frequency = <145200000>; hactive = <1920>; vactive = <1080>; hfront-porch = <120>; ...

2018-11-15 11:25:00 140

转载 android display debug summary

please ensure the kernel initial ok. modetest -c can find device.for some issue, hdmi need check IO, please remove the IO in dtb and code.if kernel can find devices,but android cannot (dumpsys...

2018-11-15 10:32:00 203

转载 add nor flash support in uboot

1 such as : S25FL256S_256Kifdef CONFIG_SPI_FLASH_SPANSION /* SPANSION /{"S25FL008A", 0x010213, 0x0, 64 1024, 16, RD_NORM, 0},{"S25FL016A", 0x010214, 0x0, 64 * 1024, 32, RD_NORM, ...

2018-11-13 21:00:00 225

转载 android uboot config nor flash

u-boot/drivers/mtd/spi/sf_params.c 这个文件定义了支持的nor flash依据不同的型号更改配置···diff --git a/configs/dra7xx_evm_defconfig b/configs/dra7xx_evm_defconfigindex 128e7b2..44ae9f2 100644--- a/configs/dra7xx...

2018-11-13 10:07:00 218

转载 mp4 format

查找sample 参考简单介绍MP4 格式转载于:https://www.cnblogs.com/widic/p/9896574.html

2018-11-02 15:38:00 293

转载 h264 file analyse

//for this 74 bytes0000 0001 2764 0028 ad84 0545 62b8 ac547108 0a8a c571 58a8 e210 2485 2139 3c9f27e4 fe4f c9f2 79b9 b34d 0812 4290 9c9e4f93 f27f 27e4 f93c dcd9 a617 2a01 4016e400 0000 0128 ...

2018-11-02 15:36:00 187

转载 Vision sdk memconfig

./apps/build/tda2px/mem_segment_definition_linux.xs./apps/build/tda2px/mem_segment_definition_bios.xs./apps/build/tda2ex/mem_segment_definition_linux.xs./apps/build/tda2ex/mem_segment_definiti...

2018-11-02 11:19:00 222

转载 yocto config mk.fs.ext4

https://lists.yoctoproject.org/pipermail/yocto/2013-June/014344.html转载于:https://www.cnblogs.com/widic/p/9894683.html

2018-11-02 10:09:00 347

转载 android debug issue: display

1.先用modetest –c确定omapdrm是否正常load了这个只是检查kernel部分display是否正常初始化2.如果1是有的那么看android 有没有找到display在adb里面dumpsys SurfaceFlinger如果显示类似如下信息，说明有了，不然的几没有h/w composer state:h/w composer present and enable...

2018-11-02 09:41:00 186

转载 dra7xx cpu frequency change

dra7xx MPU 调整：1. Uboot the patches as below:diff --git a/arch/arm/cpu/armv7/omap5/hw_data.c b/arch/arm/cpu/armv7/omap5/hw_data.c index ae25a74..d062708 100644 --- a/arch/arm/cpu/armv7/omap5/hw_...

2018-10-31 15:20:00 407

转载 YUV format

https://blog.youkuaiyun.com/ww506772362/article/details/52600846/as before the blog introduction:YUVSP NV 12 it has two storage location:one is Y and another is UV转载于:https://www.cnblogs.com/wi...

2018-10-23 14:13:00 164

转载 dra7xx DDR test

DDR 测试也可以用memtester：用户空间可以覆盖Perform Memtester From KernelFrom kernel, you can verify DDR by running memtester from kernel. The memtester utility from kernel isused to check integrity and funct...

2018-10-19 08:44:00 462

转载 adb environment

http://bernaerts.dyndns.org/linux/74-ubuntu/354-ubuntu-xenial-android-adb-fastboot-qtadb)转载于:https://www.cnblogs.com/widic/p/9760560.html

2018-10-09 15:29:00 132

转载 GDB

https://blog.youkuaiyun.com/wu_cai_/article/details/79669842linux performance转载于:https://www.cnblogs.com/widic/p/9741176.html

2018-10-03 22:55:00 75

转载 ffmpeg

https://blog.youkuaiyun.com/Memory_of_the_wind/article/details/81031784https://www.cnblogs.com/wainiwann/p/4128154.html转载于:https://www.cnblogs.com/widic/p/9688296.html

2018-09-21 20:16:00 73

转载 tftp

https://blog.youkuaiyun.com/zhanglink617/article/details/724785005、测试sudonetstat-a|greptftp--查看是否启动成功，可以看到udp00:tftp:*sudo/etc/init.d/xinetdrestart本文来自寻梦追忆的优快云博客，全文地址请点击：http...

2018-09-21 16:28:00 103

转载 RTOS/DRA71: Statistics Collector data is 0

https://e2e.ti.com/support/arm/automotive_processors/f/1020/p/728841/2689743#2689743the reason is the state is not open.you can get the stat by follow step:run omapconf trace bw --tr r+w -p e...

2018-09-18 11:55:00 146

转载 VSDK modify HDMI resolution

From ec4c72aeea8ae48c63ead8bf972cfd72cf222157 Mon Sep 17 00:00:00 2001Date: Mon, 10 Sep 2018 18:22:30 +0800Subject: [PATCH 1/2] changed the resolution 1920*720 as shron--- apps/src/rtos/use...

2018-09-10 20:07:00 248

转载 mcspi

2018-08-25 17:03:00 566

转载 TI RTOS

https://blog.youkuaiyun.com/u012384044/article/details/51934925https://e2e.ti.com/support/arm/automotive_processors/f/1021/p/651610/2396069?tisearch=e2e-sitesearch&keymatch=mcspi#2396069转载于:htt...

2018-08-11 22:20:00 213

转载 eMMC

eMMC转载于:https://www.cnblogs.com/widic/p/9365888.html

2018-07-25 14:45:00 239

转载 SD error -110

导致这个问题的原因是SD卡读rootfs 的时候出现问题，加延时或者多读几次就好了，emmc 也存在同样的问题。[ 0.000000] On node 0 totalpages: 244992[ 0.000000] free_area_init_node: node 0, pgdat c0690700, node_mem_map ef6b0000[ 0.00...

2018-07-17 14:01:00 1933

转载让kernel 停止启动

--- a/init/main.c+++ b/init/main.c@@ -504,6 +504,8 @@ static void __init mm_init(void)mm_init_dur = read_fast_counter() - mm_init_dur;}+volatile int done=1;asmlinkage __visible void __init...

2018-06-28 16:12:00 224

转载增强型console

sudo apt-get updatesudo apt-get install teminator进入窗口split转载于:https://www.cnblogs.com/widic/p/9212647.html

2018-06-22 11:37:00 94

转载 Ubuntu 16.04安装和配置Sublime Text 3

https://blog.youkuaiyun.com/frank_wangjianliang/article/details/51226807转载于:https://www.cnblogs.com/widic/p/9200550.html

2018-06-19 18:23:00 119

转载 JRA7xx M4 抓log

打开CCSConnect 仿真器选择save memory在弹出的对话框：选择文件和数据类型选择数据格式：地址M4 的地址，和长度。就可以点击finish，查看如下的log。IPU2的logbuff地址在0xa02190a0附近，DSP1的地址在0xa020a0a0附近。log 1.281858 s: ***** IPU2 Firmware build ...

2018-06-06 09:46:00 139

转载 ERROR: GCC Linaro tool chain does not exist at /sdk/tools/gcc-linaro-5.3-2016.02-x86_64_arm-linux-gn...

修改为自己的路径编译继续转载于:https://www.cnblogs.com/widic/p/9129858.html

2018-06-03 17:27:00 150

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