First meet C language, C language learning 04
# preface:
The codeword is not easy. Thank you for your likes, comments and collections. If you think it's OK, I hope you can pay attention to it. Thank you for watching. 🌹💖
ヾ (≥ ▽≤ *) o (refueling together)
Keyword typedef
typedef: as the name suggests, type definition is a type definition, which can be understood here as renamin ...
Posted by Chris16962 on Mon, 18 Apr 2022 04:17:59 +0300
Using ePump framework to write TCP server
ePump framework based on non blocking, multithreading and event driven model can well solve the problems of complex thread scheduling and efficient communication. Using ePump framework can quickly develop various communication server systems, such as common HTTP Web server, RTMP streaming media server, timely communication message system and so ...
Posted by dniry on Mon, 18 Apr 2022 00:38:01 +0300
String and generalized table
strand (1) String is a finite sequence of zero or more characters, also known as string. The value of a string can be a number, letter, or other character. (2) The number of characters in the string is called the length of the string, and the string with zero characters is called an empty string with a length of 0 (3) The subsequence composed o ...
Posted by abhishekphp6 on Sun, 17 Apr 2022 16:26:11 +0300
FSMC version: multi drive (ILI9486L, etc.) drives TFTLCD screen
The type of development board used is STM32F407 series
1, Screen related information
Resolution: 320 * 480 Size: 3.5 inches Drive: ILI9486L Pin interface:
We choose 16 BTS 8080 Series MCU here IM [] is 010 and 16 data pins are used.
2, Drive settings
We can get some information through:
CSX: Chip selection signal, used to enable or dis ...
Posted by captain_scarlet87 on Sun, 17 Apr 2022 04:48:58 +0300
IOS – OpenGL ES adjust image white balance / color temperature GPUImageWhiteBalanceFilter
catalogue
I brief introduction
II Effect demonstration
III Source download
IV Guess you like it
Zero foundation OpenGL (ES) learning route recommendation: OpenGL (ES) learning directory >> OpenGL Foundation
Zero foundation OpenGL (ES) learning route recommendation: OpenGL (ES) learning directory >> OpenGL ES transition
Zero found ...
Posted by bugz-2849 on Sun, 17 Apr 2022 03:43:36 +0300
Path Statistics (classical dfs to dp problem)
In the past two days, I found a very interesting topic, not that it is very difficult, but that this topic is indeed a classic dfs problem, which can be encountered by basic beginners. However, if this is only the case, this topic is not of great value to say, but it is very special that this topic is a classic dfs to dp problem, which I think ...
Posted by kylebragger on Sat, 16 Apr 2022 12:30:19 +0300
Bluetooth remote control car based on STM32
Tip: after the article is written, the directory can be generated automatically. Please refer to the help document on the right for how to generate it
preface
This article introduces the Bluetooth remote control car based on STM32C8T6.
There may be a lot of contents, but it is not hydrology, and the procedure is also explained in det ...
Posted by izbryte on Sat, 16 Apr 2022 11:16:36 +0300
C language -- file operation
1, Opening and closing of files
First, you need to create a file pointer:
FILE* pf;// File pointer variable
Definition PF is a pointer variable pointing to data of type FILE. You can make pf point to the FILE information area of a FILE (which is a structure variable). The FILE can be accessed through the information in the FILE information ...
Posted by _DarkLink_ on Sat, 16 Apr 2022 10:15:43 +0300
MM32F3277 I2C accesses LPS22HH air pressure sensor
Foreword
The wrong sensor was selected this week. The LPS22HB was selected as LPS22HH, and the document was written in vain 😫
Let's have a more CSDN, or we'll lose a lot.
Similarities and differences between LPS22HB and LPS22HH
Let's talk about their similarities and differences first
Same point
The address is the same (so I looked at HH ...
Posted by tysonrileyreznor on Sat, 16 Apr 2022 09:57:36 +0300
Branch and loop statements (C language)
1.if statement
Syntax structure: If (expression) Statement; If (expression) Statement 1; else Statement 2; //Multi branch If (expression 1) Statement 1; Else if (expression 2) Statement 2; Â Â Â Â Â Â Â Â else Statement 3;
#include <stdio.h>
int main()
{
int a = 0;
int b = 2;
if(a == 1)
{
if(b == 2)
{
...
Posted by Tryweryn on Sat, 16 Apr 2022 03:19:49 +0300