Using MSP430F5438A, XT2 with an external 25MHz crystal oscillator, I wrote a clock driver, but it does not work properly. I am pasting this code here.This code sets MCLK, SMCLK and ACLK to XT2, which ...
On June 22, at 8 pm yesterday, Ideal Auto held its 2022 summer press conference and released its second product, the Ideal L9. The Ideal L9 is priced at 459,800 yuan and will be available for user res...
The three-phase PFC adopts the VIENNA topology and samples the DQ rotating vector. However, the process is complicated and the simulation and debugging have been done for a long time. The current loop...
Recently, in order to improve my work efficiency, I got myself two portable screens. The three screens are placed in front of me. As a result, my viewing efficiency is improved, but the time to find t...
After adding the source file and cmd file, I opened the Gpio.c file to program GpioMucRges. What should I do if the following things are not displayed after the black dot?...
Debugging environment
Software: RealView MDK 4.03q
Hardware: JLINK v7, TQ2440 development board
When I first started learning ARM OS-free programming, I used Tianqian's TQ2440_Test project, which i...[Details]
The most critical parts of LED lighting products are light distribution, structure, and electronics, which can be expressed in professional terms as: optical performance, thermal performance, and ele...[Details]
May 17 news, today Xiaomi officially announced that recently, Forbes magazine released the 2021 "Global Top 2000 Public Companies" list (Forbes Global 2000), and Xiaomi ranked 222nd, up 162 places fr...[Details]
Solar Charged LED Utility Light Circuit Diagram
Introduction
Tired of always spending money on flashlight batteries only for them to fail when you need th...[Details]
Multifunctional, miniaturized sensor technology for continuous monitoring of plant physiology is of great significance in early disease detection, stress sensing, and growth prediction. Currently, ...[Details]
If LED lamps want to replace general energy-saving bulbs, the luminous flux of LED bulbs must reach 1000Lm, and the cost of LED must drop to USD$1/Klm before it can be widely popularized. Because...[Details]
October 31 , 2023 , China - STMicroelectronics ( ST ; ) , a world-leading semiconductor company serving multiple electronic applications, participated in the Singapore International Indu...[Details]
Apple's mysterious self-driving car project, Project Titan, is expected to be available around 2025, and Apple will also build a new electric car. According to the latest patent Apple has applied fo...[Details]
The uboot startup process is analyzed as follows: The first stage: a -- Set the CPU working mode to SVC mode b -- disable interrupts, mmu, cache v -- Disable watchdog d -- Initialize memory, seri...[Details]
1. Source code organization For ARM, the main directories are as follows: The board platform depends on storing directory files related to circuit boards. Each set of boards corresponds to a director...[Details]
"What is the core of the Industrial Internet? It is the identification resolution system, which is equivalent to the domain name resolution system of the Internet. With it, everything on the Internet...[Details]
The purpose of my program is to enable the timer to update the interrupt, implement a 1S interrupt for the timer, and then flip the LED level once in the interrupt function. 1. First, turn on the c...[Details]
When writing an interrupt service routine (ISR), you need to know the interrupt number to inform the 51 kernel which interrupt this interrupt service routine is responding to. So, from the above si...[Details]
Whenever you test data communication ICs or test telecommunication networks, you need to test jitter. Jitter is the difference between the edges of a digital signal that should be present and the e...[Details]
The limited on-chip memory capacity of DSP often makes designers feel stretched, especially in applications such as digital image processing and voice processing, which require strong support from hig...[Details]
Microcontroller MCU
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