The completion of this project is similar to the functions of the download tool such as Thunderbolt, which realizes multi-threaded breakpoint download.The main design technologies are:1, the main thread of Android and non-main thread communication mechanism.2, multi-threaded programming and management.3, Android Network programming4, design the implementation of their own design mode-listener mode5, Activity, Service, database programming6. android Fi
download some files in PHP, usually to hide the file's true download address only need this, otherwise this will increase the burden on the server, rather than directly provide the address of the software.
A simple php file download source code, although not support the continuation of the breakpoint, but can meet some common needs. PHP
PHP File download code (support remote file download)/* This article provides three file download code two is to support the local server file download, another support download remote server file download to local OH.
PHP Tutoria
ArticleDirectory
Question
Answer
More information
See also
Forum threads
1. How to embed Assembly commands in C language:
Reprinted from: http://www.keil.com/support/docs/2308.htm C51: Getting inline assembly to work
In KeilCompileAfter the project is successful, the following bulid ouput window willOutputThe following is a piece of information:Program size: code = 6320 ro-Data = 4864 RW-Data = 44 Zi-Data = 1636Meaning:Code: YesProgramMediumCodeByte sizeRo-data:
(1) "F7": Compiling(2) "F9": Add/Cancel Breakpoint(3) "Ctrl" + "F5": Debug(4) "tab": Move selected content to the right(5) "Shift" + "tab": Move the selected content to the left of the whole(6) "Home": Move the cursor to the beginning of the line(7)
The commonly used debugging methods in single-chip microcomputer debugging include printf and simulation. printf is flexible but not easy to use.ProgramWill die badly;
A simple example:
Main Program Main. c
The key initialization is called
1. Define several variables to store the number of bytes of each data type.
# Include
Unsigned char a, B, c, d, e, f, g;
Main ()
{
A = sizeof (char );
B = sizeof (short INT );
C = sizeof (INT );
D = sizeof (long );
E = sizeof
In MDK configuration Stm32 project is a very troublesome thing, so directly apply engineering template, reduce the time spent. (here with Wildfire's M3 engineering template)
The configuration of a template is based on a relative path, so the
Problem descriptionKeil V4.72 upgrade to V5.1x, the original compiled through the project, the following error occurred:
. \libraries\cmsis\cm3\devicesupport\st\stm32f10x\stm32f10x.h (298): Error: #67: expected a "}
Cause analysisKeil V4.72
The composition of the ARM programThe "arm program" here refers to the program being executed in the arm system, not the bin image (image) file that is stored in the ROM, which is a clear note of the difference.An arm program consists of 3 parts: Ro,
Previously, I listed the function declaration in the function declaration as follows:
Void display_normal ();Void display_reset ()Void display_year ();Void display_month ();Void display_day ();Void display_week ();Void display_hour ();Void display_
Use MDK for programming. If you have defined a useful function but no explicit call is made, MDK uses the entire function in the default mode.ProgramAlways Delete to save Rom.
For example, if you locate a function in 0x00002000 of Rom, assume it
How to debug on KeilProgramHow to estimate the size of the RAM used by the program.
Many problems that need to be considered when porting the system to a single-chip microcomputer, such as re-entry, stack allocation, external storage usage, and
Today, I first used the stm32 template to create a project or something. In short, there are a lot of header files. You all know those who have experienced it. If you haven't experienced it, mark this method. It will certainly be useful in the
[This article is original and copyrighted. If you need to reprint it, please indicate the source !]
Next, I will talk about the responses of ARM7 to common interruptions. Let's talk about the response to the rapid interruption.
Step 1:Basic
We can double-click the error and then automatically navigate to the error in the file stm32f10x.h where you can see the code:#if!defined (stm32f10x_ld) &&!defined (STM32F10X_LD_VL) &&!defined(STM32F10X_MD) &&!defined (STM32F10X_MD_VL) &&!defined
When you just took over STM32, you only write an int main () {while (1);} Build://program size:code=340 ro-data=252 rw-data=0 zi-data=1632 compiled, you will find that this program has used more than 1600 RAM, if the 51 SCM, the pain of death, Where
Q:
The role of the header file STM32F10X_SDIO.C.
Sometimes when adding a path, why not add src. In some projects, the role of each folder in a new project has been added.Core, Obj,stm32_fwlib (this is why the name changed when you added the group.) )
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.