07 2015 档案
摘要：Mark OccurrencesThe Mark Occurrences feature enables you to see where an element is referenced by simply clicking on the element in the editor.When th...
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摘要：7/20/2015UPDATE:After installing the IDE you may not see all the APPs. Press F5 in Eclipse to refresh and all the Apps will show.Known Limitations & N...
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摘要：;/******************** (C) COPYRIGHT 2015 STMicroelectronics ********************;* File Name : startup_stm32f4xx.s;* Author : MC...
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摘要：;******************** (C) COPYRIGHT 2014 STMicroelectronics *******************;* File Name : startup_stm32f1xx.s;* Author : MCD ...
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摘要：a stack. The core automatically saves several registers on the stack when an interrupt fires. Initial stack pointer value is read from address 0x0 the...
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摘要：http://coactionos.com/embedded%20design%20tips/2013/10/09/Tips-Context-Switching-on-the-Cortex-M3/The ARM Cortex-M3 architecture is designed with spec...
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摘要：Overload：顾名思义，就是Over(重新)——load（加载），所以中文名称是重载。它可以表现类的多态性，可以是函数里面可以有相同的函数名但是参数名、返回值、类型不能相同；或者说可以改变参数、类型、返回值但是函数名字依然不变。Override：就是ride(重写)的意思，在子类继承父类的时候子...
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摘要：http://stm32f4-discovery.com/2015/01/properly-set-clock-speed-stm32f4xx-devices/I see that you have problems with your devices when you don’t know eve...
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摘要：http://stm32f4-discovery.com/2014/11/overclock-stm32f4-device-up-to-250mhz/Let’s test what STM32F4xx devices can do.I have all “4 speedfamilies” at ho...
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摘要：because the SysTick ISR has been assigned to the FreeRTOSxPortSysTickHandler() function without regard to HAL operations.I think this can be corrected...
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摘要：http://bbs.elecfans.com/jishu_464356_1_1.html手上有块NUCLEO STM32L053x板子，用来做串口实验，看了下ST的最新库HAL驱动，于是想用HAL驱动来做串口。使用过程中发现只能发送数据不能接收数据，用逻辑分析仪查看RX,TX引角，都有数据，但就是...
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摘要：功能强大的STM32Cube 新软件平台由设计工具、中间件和硬件抽象层组成，让客户能够集中精力创新意法半导体（STMicroelectronics，简称ST）针对STM32微控制器推出一套免费的功能强大的设计工具及软件STM32Cube。新开发平台可简化客户的开发项目，缩短项目研发周期，并进一步强化...
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摘要：http://www.vaikan.com/regular-expression-to-match-string-not-containing-a-word/经常我们会遇到想找出不包含某个字符串的文本，程序员最容易想到的是在正则表达式里使用，^(hede)来过滤”hede”字串，但这种写法是错误的。...
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摘要：CTRL + space in the textboxes gives you all kinds of suggestions for regular expression writing.查找替换Be sure to check out the \C regular expression ope...
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摘要：The WinUSB user-mode library uses device interface classes to communicate with the kernel-mode USB stack. The INF file that loads winusb.sys specifies...
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摘要：1 #ifndef __SYSTEM_H__ 2 #define __SYSTEM_H__ 3 4 #include 5 #include 6 7 #include "bsp.h" 8 9 extern void sys_srand( unsigned int seed );10 ext...
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摘要：1 MODULE ARM_MEMORY 2 3 PUBLIC ARM_MEMCPY 4 PUBLIC ARM_MEMSET 5 PUBLIC ARM_MEMSET8 6 PUBLIC ARM_M...
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摘要：这里比较下容易混淆的四条指令，已经在这4条指令的混淆上花费了很多精力，现在做个小结，LDR，STR，LDM，STM这四条指令，关于LDM和STM的说明，见另外一个说明文件，说明了这两个文件用于栈操作时的注意事项。（1）LDR：L表示LOAD，LOAD的含义应该理解为：Load from memory...
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摘要：The baud rate for the receiver and transmitter (Rx and Tx) are both set to the same valueasprogrammed in the Mantissa and Fraction values of USARTDIV....
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摘要：类似的一个问题是项目根目录下可能有logs一类的目录，我们希望他人把仓库clone下来的时候能够已经携带了这个目录，但又不希望让这个目录中的日志文件进版本库。之前看到一些项目用了一种比较 ugly 的做法：在logs下建立一个.gitkeep空文件（git 无法版本控制没有任何文件的空目录），然后再...
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摘要：the difference between an embOS interrupt and a zero latency interrupt is the interrupt priority level and the usage of OS_EnterInterrupt()/OS_LeaveIn...
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摘要：I’m confused about unaligned memory accesses on ARM.My understanding was that they’re not allowed — that is,dereferencing a 32-bit value from a pointe...
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摘要：How to create .gitignore fileI need to add some rules to my.gitignorefile, however, I can't find it in my project folder. Isn't it created automatical...
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摘要：How do I call a C function in another module from inline assembler in IAR EWARM?I have a bit of assembly in a hard fault handler.The assembly is basic...
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摘要：Error [Og005] + [Og006] when using inline assemblerEW targets:430, ARM, AVREW component:C/C++ compilerLast update:April 3, 2013Problem:When compiling ...
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