Guide-luat Secondary Development Tutorial Guide-Functional Development Tutorial-Modbus
Modbus brief introduction Modbus controls the device by reading and writing a series of registers. It is a common serial communication protocol. Now Modbus protocol has become the industry standard for industrial communication protocols (De facto) and is now the common connection method betweeUTF-8...
Posted by masson on Sun, 27 Jun 2021 02:29:04 +0930
[4] open62541v1.2 official document Chinese_ Tutorial 2
brief introduction open62541 uses CMake to build libraries and binaries. The version of the library is automatically detected with git describe. This command returns a valid version string based on the current label. If you use a tar or zip package from the release instead of cloning the sourcUTF-8...
Posted by vweston on Fri, 23 Jul 2021 09:04:07 +0930
MSP430F5529 DriverLib library function learning note watchdog timer (WDT)
Platform: Code Composer Studio 10.3.1 MSP430F5529 LaunchPad™ Development Kit (MSP‑EXP430F5529LP) Hard knowledge In industrial control field, strong interference noise is often caused by power supply, space electromagnetic interference or other reasons. These interferences act on digital deviceUTF-8...
Posted by php_joe on Sun, 01 Aug 2021 05:10:38 +0930
14. AHT10 temperature and humidity sensor of W601
14. AHT10 temperature and humidity sensor of W601 1, Introduction to AHT10 AHT10 is a high-precision, fully calibrated, chip encapsulated temperature and humidity sensor. The MEMS manufacturing process ensures that the product has high reliability and excellent long-term stability. The sensor cUTF-8...
Posted by kobmat on Sat, 25 Dec 2021 17:15:07 +1030
zephyr's MCUBOOT usage notes -- Based on Nordic 52840
MCUBOOT What is MCUBOOT mcuboot There are some differences with the commonly used BootLoader. In fact, mcuboot is equivalent to a secure boot program. (note that mcuboot here only focuses on secure boot, such as the transmission of our commonly used BootLoader, which is not within the scope of UTF-8...
Posted by mclordgt on Mon, 27 Dec 2021 21:20:37 +1030
I2C communication experiment with i.MX RT1020
catalogue 1, Hardware overview 2, Basic working mechanism of I2C module inside the chip 3, Official example code analysis (polling) 4, I2C interrupt mechanism 5, Official example code analysis (interrupt) 6, DMA implementation of I2C 7, Official example code analysis (DMA) 1, Hardware overviewUTF-8...
Posted by jasper182 on Tue, 28 Dec 2021 22:10:44 +1030
51 single chip microcomputer assembly precautions and 51 single chip microcomputer LCD1602 assembly and assembly language driver (call the busy judgment program and minimize the delay)
1. Compiled notes 2: Instruction: DA ＾ A / / when binary values of two BCD codes are added, the result must not be the value of BCD. Through this instruction, the result is converted to BCD code Process: # non BCD code appears in the lower four digits, or carry (AC=1), lower four digits + 6 # UTF-8...
Posted by stricks1984 on Mon, 03 Jan 2022 08:58:19 +1030
[9] open62541 using_ Add a method to the Server and call it with the Client
brief introduction Add a method in OPC UA Server and call. target Add a method in the OPC UA Server, and then use the Client to call the added method. Fundamentals of reading Understand Qt programmingUnderstand the use of QtCreatorUnderstand openua protocolLearn about open62541 Fast reading IfUTF-8...
Posted by tester2 on Mon, 03 Jan 2022 14:38:55 +1030
Embedded final review
Chapter I 1.1 definition of embedded system 1.IEEE (Institute of electrical and Electronics Engineers) definition Embedded system is a device used to control, monitor or assist in the operation of machines and equipment. 2. Definition of microcomputer Society Embedded system is a computer systeUTF-8...
Posted by xepherys on Wed, 05 Jan 2022 10:36:44 +1030
[7] Add custom variable types to Server
brief introduction Sometimes open62541 built-in types cannot meet the requirements, so you can customize the types. target Add a custom variable type in OPC UA Server. The variable type belongs to VariableType. Fundamentals of reading Understand Qt programming.Understand the use of QtCreator.UUTF-8...
Posted by Ola on Wed, 12 Jan 2022 18:47:40 +1030