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runtime power management reference: https://www.cnblogs.com/hellokitty2/p/9974273.html 阅读全文
posted @ 2021-06-18 10:27
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ARMv7 CP15 reference: https://wenku.baidu.com/view/8b576d65d0f34693daef5ef7ba0d4a7303766cd8.html?fr=search 阅读全文
posted @ 2021-06-17 18:19
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i2c reference: http://wiki.csie.ncku.edu.tw/embedded/I2C 阅读全文
posted @ 2021-06-17 18:13
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＃ ARMv8-A architecture reference: https://blog.csdn.net/forever_2015/article/details/50285865?spm=1001.2014.3001.5501 http://wiki.csie.ncku.edu.tw/emb 阅读全文
posted @ 2021-06-15 17:34
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linux gpio_keys driver source: drivers/input/keyboard/gpio_keys.c documentation: Documentation/devicetree/bindings/input/gpio-keys.txt example,dts con 阅读全文
posted @ 2021-06-07 15:58
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linux gpio-leds driver gpio-leds dts source: drivers/leds/ documentation: linux/Documentation/devicetree/bindings/leds/leds-gpio.txt dts: leds { compa 阅读全文
posted @ 2021-06-07 14:22
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pinctrl subsystem reference: https://www.cnblogs.com/rongpmcu/tag/gpio%E5%AD%90%E7%B3%BB%E7%BB%9F/ 阅读全文
posted @ 2021-06-03 16:18
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linux process management and scheduling reference: https://kernel.blog.csdn.net/article/details/51456569 阅读全文
posted @ 2021-05-26 15:19
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linux memory management reference: https://kernel.blog.csdn.net/article/details/52384965 https://blog.csdn.net/Vince_/article/details/89055979?depth_1 阅读全文
posted @ 2021-05-26 15:16
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objdump 反汇编 objdump --help Usage: /toolchain path/bin/arm-xx-objdump <option(s)> <file(s)> Display information from object <file(s)>. At least one of 阅读全文
posted @ 2021-05-25 18:15
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ARM core registers (ARMv7) ARM v7-A and ARM v7-R Reference: ARM ® Architecture Reference Manual(ARM ® v7-A and ARM ® v7-R edition) Chapter B1 The Syst 阅读全文
posted @ 2021-05-17 17:57
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ARM processor modes (ARMv7) ARM v7-A and ARM v7-R Reference: ARM ® Architecture Reference Manual(ARM ® v7-A and ARM ® v7-R edition) Chapter B1 The Sys 阅读全文
posted @ 2021-05-17 17:00
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linux arm irq (4) 4 interrupt driver interface Author: Yangkai Wang wang_yangkai@163.com Coding in 2021/05/16 转载请注明author,出处. linux version 3.4.39 s5p 阅读全文
posted @ 2021-05-17 01:38
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linux arm irq (3) 3 gpio interrupt Author: Yangkai Wang wang_yangkai@163.com Coding in 2021/05/16 转载请注明author,出处. linux version 3.4.39 s5p6818 soc Cor 阅读全文
posted @ 2021-05-17 01:32
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linux arm irq (2) 2 interrupt handling Author: Yangkai Wang wang_yangkai@163.com Coding in 2021/05/10 转载请注明author,出处. linux version 3.4.39 s5p6818 soc 阅读全文
posted @ 2021-05-17 01:25
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linux arm irq (1) 1 irq init Author: Yangkai Wang wang_yangkai@163.com Coding in 2021/05/10 转载请注明author,出处. linux version 3.4.39 s5p6818 soc Cortex-A5 阅读全文
posted @ 2021-05-17 01:01
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linux app read kernel log int klogctl(int type, char *bufp, int len); man klogctl: SYSLOG(2) Linux Programmer's Manual SYSLOG(2) NAME syslog, klogctl 阅读全文
posted @ 2021-05-14 18:20
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Format of the CPSR and SPSRs (ARMv7) ARM v7-A and ARM v7-R Reference: ARM ® Architecture Reference Manual(ARM ® v7-A and ARM ® v7-R edition) Chapter B 阅读全文
posted @ 2021-05-13 23:36
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gpiolib linux version 3.4.39 drivers\gpio\gpiolib.c 1.提供int gpiochip_add(struct gpio_chip *chip)接口,给soc gpio controller driver,register a gpio_chip； s 阅读全文
posted @ 2021-05-07 14:45
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#define container_of(ptr, type, member) /* include/linux/kernel.h */ /** * container_of - cast a member of a structure out to the containing structure 阅读全文
posted @ 2021-05-07 12:02
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s5p6818 gpio controller reference datasheet and driver code； Features Programmable Pull-Up Control Edge/Level Detect Supports programmable Pull-Up res 阅读全文
posted @ 2021-05-07 11:35
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s5p6818 gpio controller driver implementation analysis linux version 3.4.39 lable 1: GPIO platform_device_register(); /* arch/arm/mach-s5p6818/devices 阅读全文
posted @ 2021-05-07 11:17
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linux kernel setup arm soc machine Linux version 3.4.39-s5p6818 NanoPi3 /* arch/arm/mach-s5p6818/cpu.c */ #include <mach/iomap.h> extern struct sys_ti 阅读全文
posted @ 2021-05-06 16:30
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linux kernel driver_init() Linux version 3.4.39 /* init/main.c */ asmlinkage void __init start_kernel(void) | ... /* Do the rest non-__init'ed, we're 阅读全文
posted @ 2021-05-06 11:11
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当前文件下,GBK编码文件，编码格式改为UTF-8 convmv -f GBK -t UTF-8 --notest -r * 阅读全文
posted @ 2021-05-02 11:14
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mount FTP fs： sudo curlftpfs -o codepage=gbk ftp://username:password@192.168.0.2 /mnt mount ftp, rc add sudo curlftpfs -o rw,allow_other -o codepage=g 阅读全文
posted @ 2021-05-02 10:51
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code setup "console=", for debug kernel/printk/printk.c static char console_str[] = "ttyAMA1,115200"; static int __init console_setup(char *str) { ... 阅读全文
posted @ 2021-04-27 16:20
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#use gtags install global sudo apt install global create source gtags wyk@ubuntu:~/home/global-6.6.4$ ls gtags/gtags gtags gtags.1 gtags.c gtags.o exa 阅读全文
posted @ 2021-03-24 11:33
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camera reference: https://www.cnblogs.com/fjutacm/p/220631977df995512d136e4dbd411951.html 阅读全文
posted @ 2021-03-04 18:05
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$ tree Command 'tree' not found, but can be installed with: snap install tree # version 1.8.0+pkg-3fd6, or apt install tree # version 1.8.0-1 See 'sna 阅读全文
posted @ 2021-03-04 15:32
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#Debug linux kernel slab memory leak problem reference: https://blog.csdn.net/thwack/article/details/79865758 configure kernel add CONFIG_SLUB_DEBUG=y 阅读全文
posted @ 2021-02-24 17:12
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Hexo is a fast, simple and powerful blog framework. reference: https://hexo.io https://hexo.io/zh-cn https://kernel.blog.csdn.net/article/details/8231 阅读全文
posted @ 2021-02-24 16:44
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install hexo on ubuntu 1. sudo apt-get install nodejs sudo apt-get install npm print the version: node -v npm -v 2. sudo npm install -g hexo-cli 3. up 阅读全文
posted @ 2021-02-21 16:50
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Image Signal Processor reference: ISP 基本框架及算法介绍 https://blog.csdn.net/lz0499/article/details/71156291 https://zhuanlan.zhihu.com/p/36379267 https://bl 阅读全文
posted @ 2021-02-03 10:54
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Advanced Linux Sound Architecture reference: https://www.alsa-project.org/wiki/Main_Page https://blog.csdn.net/droidphone/category_1118446.html https: 阅读全文
posted @ 2021-02-01 14:02
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set: git config --global http.proxy 'socks5://127.0.0.1:9595' git config --global https.proxy 'socks5://127.0.0.1:9595' git config --global http.proxy 阅读全文
posted @ 2021-01-21 09:58
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$ sudo apt-get install open-vm-tools $ sudo vmware-toolbox-cmd disk shrink / 阅读全文
posted @ 2021-01-20 23:11
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sudo apt-get install polipo sudo vim /etc/polipo/config Add: socksParentProxy = "127.0.0.1:1080" socksProxyType = socks5 proxyPort = 8123 sudo service 阅读全文
posted @ 2021-01-20 22:34
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reference: https://crosstool-ng.github.io/archive/ https://crosstool-ng.github.io/docs/ http://crosstool-ng.org/download/crosstool-ng/ https://blog.cs 阅读全文
posted @ 2021-01-20 09:36
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find and delete files command on ubuntu example: find ./directory -name ".git" | xargs rm -rf 阅读全文
posted @ 2021-01-09 10:50
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