06 2021 档案

valgrind
摘要：valgrind build: #!/bin/sh TOOLCHAIN=/opt/arm-gnu-toolchain-x86_64-aarch64-none-linux-gnu/bin/aarch64-none-linux-gnu ./configure CC=$TOOLCHAIN-gcc CXX= 阅读全文
posted @ 2021-06-28 14:35 王阳开 阅读(424) 评论(0) 推荐(0)
alsa-utils
摘要：＃　alsa-utils examples: # ./aplay -Dhw:3,0 file.wav # ./aplay -Dhw:1 file.wav # ./arecord -Dhw:3 -d 6 -f cd -t wav record.wav # amixer cset name="SPKL 阅读全文
posted @ 2021-06-28 14:12 王阳开 阅读(1993) 评论(0) 推荐(0)
tinyalsa
摘要：tinyalsa tinypcminfo # tinypcminfo Usage: tinypcminfo -D card -d device tinymix list controls tinymix [-D n] list one control: example # tinymix -D 0 阅读全文
posted @ 2021-06-25 17:12 王阳开 阅读(2106) 评论(0) 推荐(0)
trace open syscall
摘要：trace open syscall $ git diff fs/open.c diff --git a/source/fs/open.c b/source/fs/open.c index 65fc76706..128426bfc 100644 a/source/fs/open.c +++ b/so 阅读全文
posted @ 2021-06-22 15:47 王阳开 阅读(1377) 评论(0) 推荐(0)
sources.openwrt.org
摘要：http://sources.openwrt.org/ 阅读全文
posted @ 2021-06-22 15:06 王阳开 阅读(1987) 评论(0) 推荐(0)
arm linux syscall
摘要：arm linux syscall reference: https://syscalls.w3challs.com/ https://github.com/torvalds/linux/blob/v4.17/include/uapi/asm-generic/unistd.h https://www 阅读全文
posted @ 2021-06-22 14:58 王阳开 阅读(2043) 评论(0) 推荐(0)
linux kernel debug printk
摘要：linux kernel debug printk #if 1 #undef pr_dbg(fmt, args...) #define pr_dbg(fmt, args...) \ printk(KERN_INFO "~~~ [module] %s() %d->"fmt, __FUNCTION__, 阅读全文
posted @ 2021-06-18 11:07 王阳开 阅读(2222) 评论(0) 推荐(0)
linux kernel design and implementation(note)
摘要：#linux kernel design and implementation(note) reference: https://www.cnblogs.com/wang_yb/p/3514730.html 阅读全文
posted @ 2021-06-18 10:38 王阳开 阅读(1945) 评论(0) 推荐(0)
linux runtime pm
摘要：runtime power management reference: https://www.cnblogs.com/hellokitty2/p/9974273.html 阅读全文
posted @ 2021-06-18 10:27 王阳开 阅读(1996) 评论(0) 推荐(0)
ARMv7 CP15
摘要：ARMv7 CP15 reference: https://wenku.baidu.com/view/8b576d65d0f34693daef5ef7ba0d4a7303766cd8.html?fr=search 阅读全文
posted @ 2021-06-17 18:19 王阳开 阅读(1973) 评论(0) 推荐(0)
i2c
摘要：i2c reference: http://wiki.csie.ncku.edu.tw/embedded/I2C 阅读全文
posted @ 2021-06-17 18:13 王阳开 阅读(2027) 评论(0) 推荐(0)
ARMv8-A architecture
摘要：＃　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 王阳开 阅读(2018) 评论(0) 推荐(0)
linux gpio_keys driver
摘要：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 王阳开 阅读(2138) 评论(0) 推荐(0)
linux gpio-leds driver
摘要：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 王阳开 阅读(2197) 评论(0) 推荐(0)
pinctrl subsystem
摘要：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 王阳开 阅读(1971) 评论(0) 推荐(0)