<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[新生代CV搬运工]]></title><description><![CDATA[因为热爱 所以专注 把喜欢的事做到极致 ------------ 我的安卓嵌入式成长史诗]]></description><link>https://blog.youkuaiyun.com/devwang_com</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; devwang_com]]></copyright><item><title><![CDATA[绘制三角波与梯形波]]></title><link>https://blog.youkuaiyun.com/devwang_com/article/details/132835062</link><guid>https://blog.youkuaiyun.com/devwang_com/article/details/132835062</guid><author>devwang_com</author><pubDate>Tue, 12 Sep 2023 16:33:11 +0800</pubDate><description><![CDATA[使用三角函数及反三角函数绘制三角波与梯形波]]></description><category></category></item><item><title><![CDATA[FPGA之MIO与EMIO]]></title><link>https://blog.youkuaiyun.com/devwang_com/article/details/130740084</link><guid>https://blog.youkuaiyun.com/devwang_com/article/details/130740084</guid><author>devwang_com</author><pubDate>Thu, 18 May 2023 09:56:53 +0800</pubDate><description><![CDATA[MIO引脚直接连接在PS上，像其他普通ARM一样，不需要通过XPS进行硬件配置，直接通过SDK编程即可。MIO位置是固定好的，功能也是预先定义好的。不需要添加管脚约束。使用EMIO引脚必须通过XPS进行硬件配置，然后在PS部分使用SDK进行编程控制。]]></description><category></category></item><item><title><![CDATA[博客摘录「 Xilinx FPGA管脚XDC约束之：物理约束」2023年5月17日]]></title><link>https://blog.youkuaiyun.com/devwang_com/article/details/130722157</link><guid>https://blog.youkuaiyun.com/devwang_com/article/details/130722157</guid><author>devwang_com</author><pubDate>Wed, 17 May 2023 11:27:55 +0800</pubDate><description><![CDATA[差分信号约束，只约束P管脚即可，系统自动匹配N管脚约束，当然_P和_N管脚都约束也没有问题；端口名称为数组时，需要用{}括起来，端口名不能为关键字。]]></description><category></category></item><item><title><![CDATA[c语言结构体数组]]></title><link>https://blog.youkuaiyun.com/devwang_com/article/details/126949089</link><guid>https://blog.youkuaiyun.com/devwang_com/article/details/126949089</guid><author>devwang_com</author><pubDate>Tue, 20 Sep 2022 11:06:04 +0800</pubDate><description><![CDATA[【代码】c语言结构体数组。]]></description><category></category></item><item><title><![CDATA[shell 格式化 html 代码]]></title><link>https://blog.youkuaiyun.com/devwang_com/article/details/126941858</link><guid>https://blog.youkuaiyun.com/devwang_com/article/details/126941858</guid><author>devwang_com</author><pubDate>Mon, 19 Sep 2022 21:08:08 +0800</pubDate><description><![CDATA[从网址链接 wget 下来的 html 文件没有换行不便阅读 通过格式化后方便阅读。]]></description><category></category></item><item><title><![CDATA[bat启动putty连接串口]]></title><link>https://blog.youkuaiyun.com/devwang_com/article/details/125064150</link><guid>https://blog.youkuaiyun.com/devwang_com/article/details/125064150</guid><author>devwang_com</author><pubDate>Tue, 31 May 2022 13:52:37 +0800</pubDate><description><![CDATA[putty -serial com5 -sercfg 115200,8,n,1,N -sessionlog putty.log





'-serial com5' 表示串口5。

‘-sercfg 115200,8,n,1, n’ 表示波特率为115200,8个数据位，没有奇偶校验，1个停止位，没有流控制。

'-sessionlog putty.log' 表示保存log。
...]]></description><category></category></item><item><title><![CDATA[值为0时使用上一次非0值并且只使用一次]]></title><link>https://blog.youkuaiyun.com/devwang_com/article/details/124963383</link><guid>https://blog.youkuaiyun.com/devwang_com/article/details/124963383</guid><author>devwang_com</author><pubDate>Wed, 25 May 2022 11:49:29 +0800</pubDate><description><![CDATA[D = [5, 0, 5, 0, 0, 5, 0, 0, 0, 5]
NEW_D = []
last  = 0
for d in D:
    if d == 0 and last != 0:
        d = last
        last  = 0
    else:
        last = d
    NEW_D.append(d)

print(D)
print(NEW_D)


[5, 0, 5, 0, 0, 5, 0, 0, 0, 5]
[5, 5, 5, 5, 0, 5, 5.]]></description><category></category></item><item><title><![CDATA[包含静态库.a文件编译报错]]></title><link>https://blog.youkuaiyun.com/devwang_com/article/details/124716748</link><guid>https://blog.youkuaiyun.com/devwang_com/article/details/124716748</guid><author>devwang_com</author><pubDate>Wed, 11 May 2022 19:18:00 +0800</pubDate><description><![CDATA[gcc/linux-x86/arm/gcc-arm-none-eabi-4_8-2014q3/arm-none-eabi/lib/libg.a(lib_a-sbrkr.o): In function `_sbrk_r':
sbrkr.c:(.text._sbrk_r+0x18): undefined reference to `_sbrk'
/gcc/linux-x86/arm/gcc-arm-none-eabi-4_8-2014q3/arm-none-eabi/lib/libg.a(lib_a-writ.]]></description><category></category></item><item><title><![CDATA[shell修改bin文件]]></title><link>https://blog.youkuaiyun.com/devwang_com/article/details/124702847</link><guid>https://blog.youkuaiyun.com/devwang_com/article/details/124702847</guid><author>devwang_com</author><pubDate>Wed, 11 May 2022 13:55:38 +0800</pubDate><description><![CDATA[od -tx1 old.bin
0000000 c8 00 00 00 55 01 00 00 dc 05 00 00 68 06 00 00
0000020

echo " c8 00 00 00 55 01 00 00 dc 05 00 00 68 06 00 00" | awk '{ gsub(" ","\s*"); print $0}'
\s*c8\s*00\s*00\s*00\s*55\s*01\s*00\s*00\s*dc\s*05\s*00\s*00\s*68\s*06\s*00\s*00
.]]></description><category></category></item><item><title><![CDATA[kernel时间戳转android时间]]></title><link>https://blog.youkuaiyun.com/devwang_com/article/details/124634616</link><guid>https://blog.youkuaiyun.com/devwang_com/article/details/124634616</guid><author>devwang_com</author><pubDate>Sat, 07 May 2022 17:00:53 +0800</pubDate><description><![CDATA[kernel时间戳转android时间]]></description><category></category></item><item><title><![CDATA[不熟悉 excel，使用 python 将数据按要求转置]]></title><link>https://blog.youkuaiyun.com/devwang_com/article/details/104040195</link><guid>https://blog.youkuaiyun.com/devwang_com/article/details/104040195</guid><author>devwang_com</author><pubDate>Sun, 19 Jan 2020 14:34:38 +0800</pubDate><description><![CDATA[1. 将数据 按列拷贝至 pydatain.txt 文件中， 并在文件末尾回车两行，如下



2. 执行 python pyexcel.py 脚本，生成 pydataout.txt 文件，如下





3. 将数据拷贝至 excel 表格中



Python 源码：


#coding:utf-8
import numpy as np

fr = open('./pydatain.txt'...]]></description><category></category></item><item><title><![CDATA[墙裂推荐的工具软件及插件神器]]></title><link>https://blog.youkuaiyun.com/devwang_com/article/details/94613869</link><guid>https://blog.youkuaiyun.com/devwang_com/article/details/94613869</guid><author>devwang_com</author><pubDate>Thu, 04 Jul 2019 14:23:01 +0800</pubDate><description><![CDATA[工具软件

本地搜索Everything

百度云下载 PanDownload

下载工具 IDM

逻辑分析仪

串口工具 SecureCRT

解压缩工具Bandizip



Chrome插件神器

ssh远程连接Secure Shell Extension

视频下载工具Video DownloadHelper

你懂的Proxy SwitchyOmega

Web资源管理器...]]></description><category></category></item><item><title><![CDATA[编译阶段打印宏的预编译值]]></title><link>https://blog.youkuaiyun.com/devwang_com/article/details/93744305</link><guid>https://blog.youkuaiyun.com/devwang_com/article/details/93744305</guid><author>devwang_com</author><pubDate>Wed, 26 Jun 2019 15:26:45 +0800</pubDate><description><![CDATA[#define __PRINT_MACRO(x) #x
#define PRINT_MARCO(x) #x"=" __PRINT_MACRO(x)




#pragma message(PRINT_MARCO(DEBUG_MARCO_TEST_VALUE))
#error "test"

编译到error会报错停止编译，编译log往前可以看到宏DEBUG_MARCO_TEST_VALUE的值...]]></description><category></category></item><item><title><![CDATA[Android5.1源码修改USB为串口UART]]></title><link>https://blog.youkuaiyun.com/devwang_com/article/details/93741268</link><guid>https://blog.youkuaiyun.com/devwang_com/article/details/93741268</guid><author>devwang_com</author><pubDate>Wed, 26 Jun 2019 14:59:18 +0800</pubDate><description><![CDATA[device/XX/XXXX/ProjectConfig.mk


MTK_UART_USB_SWITCH = yes





kernel-3.10/arch/arm/configs/XXXX_debug_defconfig



CONFIG_MTK_UART_USB_SWITCH=y





make -j2 lk
make -j2 bootimage


]]></description><category></category></item><item><title><![CDATA[MTK平台DWS四个路径]]></title><link>https://blog.youkuaiyun.com/devwang_com/article/details/93739910</link><guid>https://blog.youkuaiyun.com/devwang_com/article/details/93739910</guid><author>devwang_com</author><pubDate>Wed, 26 Jun 2019 14:47:29 +0800</pubDate><description><![CDATA[bootable/bootloader/preloader/custom/amt6795_evb_m/dct/dct/codegen.dws


bootable/bootloader/lk/target/amt6795_evb_m/dct/dct/codegen.dws


kernel-3.10/drivers/misc/mediatek/mach/mt6795/amt6795_evb...]]></description><category></category></item><item><title><![CDATA[MTK平台实时打印GPIO状态]]></title><link>https://blog.youkuaiyun.com/devwang_com/article/details/93739305</link><guid>https://blog.youkuaiyun.com/devwang_com/article/details/93739305</guid><author>devwang_com</author><pubDate>Wed, 26 Jun 2019 14:41:33 +0800</pubDate><description><![CDATA[while true;do adb shell cat /sys/class/misc/mtgpio/pin |grep -E 65;done


while true;do adb shell cat /sys/devices/platform/1000b000.pinctrl/mt_gpio |grep -E 65;done


]]></description><category></category></item><item><title><![CDATA[Ubuntu连接USB新设备]]></title><link>https://blog.youkuaiyun.com/devwang_com/article/details/93737630</link><guid>https://blog.youkuaiyun.com/devwang_com/article/details/93737630</guid><author>devwang_com</author><pubDate>Wed, 26 Jun 2019 14:31:10 +0800</pubDate><description><![CDATA[lsusb


Bus 001 Device 038: ID 0e8d:200c MediaTek Inc.





sudo vim /etc/udev/rules.d/51-android.rules


SUBSYSTEM==usb, ATTR{idVendor}==0e8d, ATTR{idProduct}==200c, MODE=0666





sudo chmod a+r...]]></description><category></category></item><item><title><![CDATA[Linux下命令解压zip和rar及tar.gz]]></title><link>https://blog.youkuaiyun.com/devwang_com/article/details/93736741</link><guid>https://blog.youkuaiyun.com/devwang_com/article/details/93736741</guid><author>devwang_com</author><pubDate>Wed, 26 Jun 2019 14:18:58 +0800</pubDate><description><![CDATA[1.zip


find . -name *.zip | xargs -n1 unzip

2.rar


find . -name *.rar | xargs -n 1 unrar x

3.tar.gz


find . -name *.tar.gz | xargs -n1 tar -zxvf


]]></description><category></category></item><item><title><![CDATA[python执行子目录下所有的analyzer.py]]></title><link>https://blog.youkuaiyun.com/devwang_com/article/details/93725331</link><guid>https://blog.youkuaiyun.com/devwang_com/article/details/93725331</guid><author>devwang_com</author><pubDate>Wed, 26 Jun 2019 11:51:19 +0800</pubDate><description><![CDATA[find . -name analyzer.py | xargs -n1 -I {} python {}


]]></description><category></category></item><item><title><![CDATA[如何手动adb启动展讯ylog]]></title><link>https://blog.youkuaiyun.com/devwang_com/article/details/93724534</link><guid>https://blog.youkuaiyun.com/devwang_com/article/details/93724534</guid><author>devwang_com</author><pubDate>Wed, 26 Jun 2019 11:43:46 +0800</pubDate><description><![CDATA[如何手动adb启动展讯ylog



1.查找包名：


adb shell pm list packages -f |grep log


package:/vendor/app/LogManager/LogManager.apk=com.sprd.logmanager




2.确定主Activity：


adb shell dumpsys package com.sprd.logma...]]></description><category></category></item></channel></rss>