In the pwm experiment, adjust the duty cycle. As shown in the figure, the value of led0pwmval changes from 0 to 301, and then from 301 to 0. Why is this so? Shouldn't a fixed value be entered? :puzzle...
I used the visual stdio template to build a PDA OS project. I added a subproject under this project for playing wave files. It can be built, but when I run this subproject, there is no response and no...
Keithley Instruments has enhanced the capabilities of the S530 parametric test system, the semiconductor industry's most cost-effective high-speed production parameter test solution. With the support ...
[i=s]This post was last edited by lerm on 2021-7-1 09:37[/i]I was recently debugging the Ethernet function module of the GD32F307RCT6 microcontroller and encountered the following problems that could ...
Hybrid electric vehicles (HEV) and electric vehicles (EV) are gaining popularity because they have low (zero) emissions and low maintenance requirements while providing higher efficiency and driving p...
The day before yesterday, I learned about STM's Systick and found it quite useful for precise timing. When I used CVAVR before, I found that the delay.h in it was very useful. So, I used STM32's...[Details]
1. The first project We are going to create the first project, which is mainly for project analysis, so that we can understand how CubeMX works and how to trace the code logic. Okay, no more nonsense...[Details]
stm32cubeMX graphical configuration content STM32CubeMX is part of the original STMCube initiative from st microelectronics, and STM32Cube includes STM32CubeMX. STM32CubeMX is a graphical software co...[Details]
Security PPP is a new model of urban video surveillance projects: 1) The government and social capital establish a project company in a certain proportion; 2) The project company participates in the ...[Details]
This small program is still the use of timer, which is relatively simple. The specific parts are noted in the comments, please refer to the comments. /*********************************************...[Details]
This program uses the eight-channel ADC single acquisition mode. According to the configuration, ADC12SC will automatically reset after the conversion is completed in the single mode, so it is necess...[Details]
1. Introduction to MC68K CPU The MC683xx series of microcontrollers are composed of the famous MOTOROLA 32-bit microprocessors such as MC68K, 68020, 68040, and the compatible 68K, CPU32, CPU3...[Details]
As a leading company in automotive semiconductors, Freescale and Khronos Group have jointly launched an automotive multimedia embedded microprocessor i.MX35 with an integrated OpenVG hardware acceler...[Details]
//Observe the difference between feeding the dog and not feeding the dog, and use the LED indicator of the PB port for status indication. //Switch the LED indicator enable switch of the PB po...[Details]
Introduction: As a power electronic device, the photovoltaic inverter mainly converts the direct current generated by the photovoltaic module into alternating current. Because there are thousands o...[Details]
1. Common knowledge about DMA. 1. Function: to achieve high-speed data transmission between chips. That is, it can achieve data transmission without occupying the CPU. 2. Mode: There are three tran...[Details]
Title: Use two dynamic digital tubes to display from 0 to 60, output from the P1 port of 89C51, without adding a decoder, and directly connect the digital tubes. Note that they are dynamic digital tu...[Details]
Take serial port interrupt as an example: like: void serial() interrupt 4 { } and void serial_uart() interrupt 4 { } The functions of both functions are to define the serial port interrupt function. ...[Details]
Not long ago, we discussed the disruptive trends that will change the future of display solutions and the changes that High Dynamic Range (HDR) can bring , which provides a more realistic...[Details]