avr 3806

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S5PV210 Development Series One _ development environment and startup mode

, cortex-m4 these low-end series of arm core. Its simple operation, highly optimized micro-Library, small package real-time operating system, and perfect GUI support enable it to rapidly develop various targeted applications and provide complete solutions for small embedded application development.2.2.2. IARIAR supports many semiconductor companies ' microprocessors, supporting more than 20 different architectures of 8-bit, 16-bit, 32-bit cores. For example, IAR for 51 is used to develop a class

Research on simple index merging compression algorithm

subscript, after analysis and observation, found that all indexed code values are within the range of 16, The value is further compressed into half a byte, which is a half byte or char, and then attached to the transformed array before the index, together to form the encrypted infrared code. After these corrections and compression, the new code-value array length is one-eighth of the previous data length plus the length of the index table.The Java algorithm is as follows:Import Java.util.linked

Teach you how to optimize the C language program

of variables, if the range of variables beyond the assignment, C compiler does not complain, but the program run the result is wrong, and such errors are difficult to find.In the ICCAVR, you can set the printf parameter in options to use basic parameters (%c,%d,%x,%x,%u, and%s format specifiers) sparingly, with long integer parameters (%ld,%lu,%LX, and%LX format specifiers), as for floating-point parameters (%f) Try not to use it, the other C compilers are the same. With other conditions unchan

Arduino programming Language Manual (Simple version)

Taobao Shop:http://robotstudio.taobao.com group number: 259189548 Arduino language Annotations The Arduino language is based on C + +, in fact, the basic C language, the Arduino language is only the AVR microcontroller (microcontroller) related to some parameter settings are functional, do not need us to understand his bottom, Let us not understand the AVR microcontroller (microcontroller) friends can also

Introduction to Arduino (i)

Abstract: This article focuses on what Arduino, the Arduino development environment, and the Arduino-related resources website, etc. What is Arduino? Arduino is a convenient, flexible, and easy-to-start open source electronic prototyping platform that includes hardware (various models of Arduino boards) and software (Arduino IDE). Arduino Simple is a single-chip microcomputer, and C51 single-chip microcomputer, the Arduino platform is based on the AVR

Teach you how to optimize the C language program _c language

other C compilers are the same. With other conditions unchanged, using the%f parameter increases the number of generated code and slows execution. 4, the use of self-add, self-reduction instructionsIt is often possible to generate High-quality program code using self-addition, self-subtraction directives and compound assignment expressions such as A-=1 and a+=1. Compilers are usually able to generate instructions such as Inc and Dec, and with instructions like a=a+1 or a=a-1, many C compilers

The optimization of C language Code __c language

assignment expressions such as A-=1 and a+=1. Compilers are usually able to generate instructions such as Inc and Dec, and with instructions like a=a+1 or a=a-1, many C compilers generate two to three bytes of instruction. In the AVR monolithic application Iccavr, GCCAVR, IAR and so on the C compiler above several writes the code to generate is same, also can produce the high Quality The INC and the DEC and so on code. 4, reduce the strength of the

"Turn" [thematic learning] [computational geometry]

=1num=1520Guo Paper example, good topicPOJ 2069 Super Starhttp://poj.org/problem?id=2069I wa and tle many times in this question.POJ 3301 Texas Triphttp://poj.org/problem?id=3301You can use three points for this question.        Spoj 4409 Circle vs Trianglehttps://www.spoj.pl/problems/AREA1/Simulated annealing + analytic geometry POJ 3285 Point of view in Flatlandhttp://poj.org/problem?id=3285The difficulty of this problem is to find the appropriate evaluation function, of course, the problem ca

Count the number of online users

paged = 4 3/search.html 3/Media /? P = 3806 3/Media /? Cat = 5 3/Media /? Cat = 37 paged = 5 2/search-origining.html 2/Media /? Cat = 4 2/Media /? Cat = 3 paged = 4 2/Media /? Cat = 3 paged = 3 2/Media /? Cat = 3 paged = 2 ************* end ************* the script is automatically downloaded from the FTP server log File, then, it analyzes the functions of the number of logon users of Apache and DHCP. This script can count the number of people o

Introduction to 12 Linux Process Management commands

required.5. niceWith the help of the nice command, you can set and change the priority of a process. To increase the priority of a process, the kernel will allocate more CPU time slices to the process. By default, processes are started with a priority of 0. The process priority can be viewed in the NI (nice value) column displayed by the top command.The process priority value ranges from-20 to 19. The lower the value, the higher the priority.Nice In the preceding command example, we can see tha

Introduction to 12 Linux Process Management commands

additional installation is required. 5. nice With the help of the nice command, you can set and change the priority of a process. To increase the priority of a process, the kernel will allocate more CPU time slices to the process. By default, processes are started with a priority of 0. The process priority can be viewed in the NI (nice value) column displayed by the top command. The process priority value ranges from-20 to 19. The lower the value, the higher the priority. Nice In the pre

DBCP,C3P0,TOMCAT_JDBC performance and stability test _jndi

1328861748833.00 1916 1328861791533.00 1328861793449.00 1611 1328861832003.00 1328861833614.00 C3P0 150 1000 2726 1328861869415.00 1328861872141.00 2990.8 0.019939 2570 1328861895349.00 1328861897919.00 3342 1328861912351.00 1328861915693.00 3218 1328861929664.00 1328861932882.00 3098 1328861950163.00 1328861953261.00 TomcatJDBC 150 1000 877 13 28861974599.00 1328861975476.00 861 0.00574 821 1328861990969.00 1328861991790.00 890 1328862016507.00 1328862017397.00 857 1328862037077.00 13288620379

MySQL master-slave replication architecture and implementation

|+----+-------------+-----------+------+---------+------+---------------------------------------------- -------------------------------+------------------+----------+| 5 | Root | localhost | NULL | Query | 0 | NULL | SHOW Processlist | 0.000 | | 6 | System user | | NULL | Connect | 3850 | Waiting for Master to send event | NULL | 0.000 | | 7 | System user | | NULL | Connect | 3806 | Slave have read all relay log; Waiti

UVA 124 & POJ 1270 following Orders (topological sorting)

Http://uva.onlinejudge.org/index.php?option=com_onlinejudgeItemid=8page=show_problemproblem=60http://poj.org/problem?id=1270 Following Orders Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 3806 Accepted: 1507 DescriptionOrder is a important concept in mathematics and in computer. For example, Zorn ' Lemma sta

Dumpleafblock of Oracle Index

Dumpleafblock of Oracle Index Dump the Oracle index leaf block F: \ oracle \ product \ 10.2.0 \ db_1 \ BIN> sqlplus/as sysdbaSQL * Plus: Release 10.2.0.4.0-Production on Thu Apr 9 06:28:17 2015 Copyright (c) 1982,200 7, Oracle. all Rights Reserved. connected to: Oracle Database 10g Enterprise Edition Release 10.2.0.4.0-64bit ProductionWith the Partitioning, OLAP, Data Mining and Real Application Testing options06: 39: 43 sys @ FS> alter session set events 'immediate trace name treedump level 100

12 Linux Process Management commands introduced

process. Htop is not installed by default, so additional installation is required.5.niceWith the help of the Nice command, the user can set and change the priority of the process. To increase the priority of a process, the kernel allocates more CPU time slices to the process. By default, the process starts with a priority of 0. The process priority can be viewed by the NI (nice value) column displayed by the top command.The process priority values range from 20 to 19. The lower the value, the h

12 Linux Process Management commands introduced

command to change the running process priority value. Note that users can only change the priority values of their own processes.Renice-n-P-Change the priority value of the specified processThe priority value of process No. 3806, which has an initial priority of 0, has become 4.Renice-u-G-Change process priority values by specifying users and groupsIn the above example, the user has all the process priority values of ' mint ' changed to '-3 '.7.killT

tutorial on the use of PS commands and GITPS commands in Linux systems

~]# PS aux #不区分终端, showing all processes for all users USER PID%cpu%mem VSZ RSS TTY STAT START time COMMAND Root 4535 0.0 0.5 64340 11208? S 18:59 0:00/usr/libexec/notification-daemon Root 4538 2.8 0.4 51116 8712 pts/2 sl+ 18:59 0:44 mplayer/mnt/usb/music/20080625211631.mp3/mnt/usb/music/46250194.mp3/m Nt Root 4568 0.6 1.1 99516 24752? S 19:05 0:07 gedit FILE:///ROOT/DESKTOP/CSF Root 4624 0.0 0.0 5888 1476 PTS/3 Ss 19:13 0:00 Bash Root 4693 6.3 0.7 60096 15612? SN 19:25 0:00/usr/bin/pytho

Division and influence factors of SCI periodicals in remote sensing

1.433 1.405 0.227 44 3.8 0.00077 0.333 3213 GPS Solut Earth Positioning System Application-Germany 3 1080-5370 522 1.429 1.96 0.204 49 5.2 0.00218 0.822 5834 MAR Geod 4 0149-0419 461 1.407 1.558 0.083 48 5.9 0.0016 0.621 3806 INT J DIGIT EARTH 4 1753-8947 200 1.222 1.464 0.

Building LANMP Environment under Ubuntu14.04 (apache+nginx+mysql+php)

install nginxsudo apt-get install Php5-fpmcd/etc/nginx/sites-availablesudo cp default Default.bakConfigure the Nginx to support PHPcd/etc/nginx/sites-available sudo vim defaultNginx Host configuration (port changed to 8080, root directory and just apache2 to directory as/data/www)server { listen 8080 default_server; #修改端口 Listen [::]:8080 default_server ipv6only=on; #修改端口 root/data/ www #修改网站根目录 index index.php index.html index.htm; #添加index. php index file # make site accessib

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