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原创 关于交叉编译的时候支持不同版本的编译器(udev/libusb)

然后发现这样改最快捷"./configure --host=arm-linux --prefix=/tool/usb/eudev-3.2.9/build/ CC="arm-none-linux-gnueabi-gcc。: 来判断是否支持C11,其实这句就是类似于生成一小段代码编译看是否能编译通过(C11不支持关键字。改了一下编译的脚本指定用-std=gnu99去编译,可能改的地方没对,还是不成功。我这里是要支持libudev的,第一次没编译过,看日志是。includedir,libdir这两个参数。

2024-05-29 10:49:31 346

原创 把libcurl.a编译进静态库报错

注意到有一个提示:“ recompile with -fPIC”重新编译出libcurl.a,然后再编译自己的动态库就通过了。因此在编译的选项的中加入CPPFLAGS="

2023-11-30 16:59:56 860 1

转载 ramdisk.img

1、解压、修改Android的ramdisk.img的方法将ramdisk.img复制一份到任何其他目录下,将其名称改为ramdisk.img.gz,并使用命令gunzip ramdisk.img.gz然后新建一个文件夹,叫ramdisk吧,进入,输入命令cpio -i -F ../ramdisk.img 这下,你就能看见并操作ramdisk里面的内容了。根据自己的

2013-09-01 17:01:55 452

原创 在reboot的时候出错

在reboot的时候出错,在该文件里面加上打印信息查找哪里出的问题kernel/drivers/base/core.c                                                 void device_shutdown(void){ struct device *dev;// printk("----------------------

2013-09-01 17:00:26 1308

转载 disable_irq 和 disable_irq_nosync

转自:http://blog.chinaunix.net/uid-1718717-id-1641502.html 1.void disable_irq(int irq); void disable_irq_nosync(int irq); 2.disable_irq 会禁止给定的中断,而且会等待当前正在执行的中断处理程序完成。disable_irq_nosync (di

2013-08-06 10:08:23 644

mtd-utils-2.1.2

mtd-utils 2020年6月份更新的版本

2021-01-09

vexpress_a9.pdf

ARM ® CoreTile Express A9×4 Cortex ® Technical Reference Manual -A9 MPCore (V2P-CA9)

2019-08-07

Carplay认证指导2019

CarPlay Certification Guide February 2019 Table of Contents Introduction .................................................................................................... 3 MFi CarPlay Certification Portal ...................................................................... 4 CarPlay Configuration Record ......................................................................... 7 Certification Timeline ...................................................................................... 8 Materials to Submit for CarPlay Certification ................................................... 9 CarPlay integration design documents ..................................................................... 10 Wireless performance and coexistence test plans .................................................... 11 USB signal integrity test results ................................................................................ 12 USB performance test results ................................................................................... 14 Wireless performance test results ............................................................................. 15 Wi-Fi Alliance certification ........................................................................................ 16 Exception requests .................................................................................................... 17 Location functional test results ................................................................................. 19 Location drive test .................................................................................................... 20 Wireless drive test results ......................................................................................... 21 ITU-T telephony audio quality test results ................................................................ 23 Siri audio quality test results ..................................................................................... 24 Accessory Certification Assistant test results and self-certification form ................ 25 Accessory Certification Assistant ....................................................................... 25 Self-certification form ......................................................................................... 25 Functional test results and test benches .................................................................. 26 Functional test results ......................................................................................... 26 Test benches ....................................................................................................... 26 Shipping test benches ........................................................................................ 28 Functional audit .................................................................................................. 28 Resubmitting functional test results and test benches ....................................... 28 Contacting Apple .......................................................................................... 29 USB Signal Integrity Test Labs ...................................................................... 30 Allion Labs, Inc. ................................................................................................... 30 Allion China Inc. .................................................................................................. 30 2019-02-22 | Copyright © 2019 Apple Inc. All Rights Reserved. Page of 1 32Allion Japan Inc. .................................................................................................. 30 Eurofins Digital Testing Belgium N.V. .................................................................. 30 Granite River Labs, Inc. ....................................................................................... 30 Granite River Labs Japan, Ltd. ............................................................................ 30 Granite River Labs Shanghai, Ltd. ....................................................................... 30 Revision History ............................................................................................ 31

2019-07-22

libev4.25.zip

更新:事件驱动模式库,一个和libevent类似,不过性能会比libevent效率更高

2019-06-17

arm体系架构文档集合.rar

1.Architecture Reference Manual ARMv8, for ARMv8-A architecture profile.pdf:::::::: 2.ARM® Architecture Reference Manual, ARMv7-A and ARMv7-R edition.pdf:::::::: 3.ARM Assembly Language Fundamentals and Techniques(2nd).pdf::::::::::::: 4.ARM Assembly Language Programming & Architecture.pdf:::::::::::::::: 5.ARM.Reference_Manual.pdf::::::::::::::::::::::::::::::: 6.ARM Instrution Set.pdf::::::::::::::::::::::::::::::::: 7.armv8学习笔记.pdf::::::::::::::::::::::::::::::::::: 8.Linux内核设计与实现3th.pdf

2019-06-14

arm-2014.05-29-arm-none-linux-gnueabi-i686-pc-linux-gnu.rar

当前最新版本的linux环境下的交叉编译器,里面有一个setup.sh脚本,用root权限执行后自动配置完环境(加sudo执行)

2019-05-29

浅谈cache memory 王齐.pdf

主要讲解x86架构下的cache的怎么工作原理和怎么实现等,说的很详细,水平很高的,但是要有相应的知识才能看明白,作者是王齐,

2019-05-28

Android Auto Head Unit Integration Guide填写示范

android auto认证资料HUC文档填写示范,这个文档google是经常更新的,会不时增加一些新的要求

2019-04-29

AndroidAuto认证工具PCTS

AndroidAuto认证工具PCTS, pcts_verifier_release_signed.apk

2019-04-29

AndroidAuto认证分析工具GalMonitor

AndroidAuto认证分析工具GalMonitor,galmonitor_release_signed.apk

2019-04-29

android auto豁免申请范本

android auto豁免认证的范本,这个地方是以performance为例子,注意这个文档的名字,格式最好跟这个相同

2019-04-29

AndroidAuto

android auto开发官方的文档,确认以下这些对你有用再下载: SDK Contents The SDK is distributed as Android Pre-Release Software pursuant to the Android Automotive Pre-Release Software License Agreement. The SDK (aa_sdk_v105.zip) includes the following materials: Codelab. Review the entire codelab before beginning development. (The codelab is now also available in this Help Center as an SDK Guide.) API Reference. Reference documentation for the AA SDK. Sample App. Source code for Robocharge, an app for searching for nearby charge stations.

2019-01-16

libev4.22库

事件驱动模式库,一个和libevent类似,不过性能会比libevent效率更高

2019-01-16

嵌入式Linux系统实用开发

嵌入式Linux系统实用开发高清扫描,大家学习

2013-01-08

linux进程间通信

对进程间通信的函数的讲解,希望对你们有用

2011-11-27

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