I designed a board, STM32F103C8T6, serial communication. When running, I found that I can receive data and enter the receiving interrupt. But the data cannot be sent. My main program loop sends 0x55; ...
STEP 1——Exquisite pictures
Xiuxiu just got the Stellaris LM3S8962 Ethernet + CAN evaluation kit https://bbs.eeworld.com.cn/thread-93944-1-5.html
The courier delivered it to lm3s8962 early in the morni...
I would like to ask if the startup code that is automatically linked by iar during compilation can be modified by the user if it is not needed. How to configure it? Should I modify cstartup.s43?...
[b]Introduction[/b] Digital interface equipment is a special communication device that realizes the conversion from standard 422 serial bus to custom serial bus. According to the working principle of ...
1. Principle 1. Infrared emission protocol There are many infrared communication protocols. This experiment uses the NEC protocol. This protocol uses PWM modulation and uses pulse width to represen...[Details]
Recently, the US embargo on ZTE has attracted much attention. Let's take a look at the relevant content with the automotive electronics editor. On April 16, local time, the U.S. Department of Co...[Details]
Today, under the guidance of a low-level expert, I learned how to configure the PWM module! Woof! First open the file configured last time, as follows: Then, we need to use TIM1 to set PWM: Then,...[Details]
In most countries, the military is a fairly large group, and the health of soldiers is particularly important to the combat effectiveness of the army. The US Department of Defense's Advanced Resear...[Details]
Superconductors have physical properties such as zero resistance effect, Meissner effect and Josephson effect, which make them have broad application prospects and unparalleled advantages in many b...[Details]
The adoption rate of serverless
cloud
computing
is gradually increasing, but it has not yet reached people's expectations. Various surveys show that serverless
is
still
an eme...[Details]
1. What is PWM What is PWM? Professionally speaking, it is pulse width modulation. In layman's terms, it is the continuous output of high and low levels. For example, the microcontroller outputs...[Details]
MCU Programming: Find the average value of 8 unsigned numbers. There are 8 unsigned numbers stored in 8 units of the internal RAM starting at 20H. It is required to save their average value in R2. ;-...[Details]
In the 51 single-chip microcomputer's on-chip data memory units 20H and 21H, the data 9 and 2 are stored respectively. Write a program to calculate the difference and product between the two. The d...[Details]
Recently, the National Development and Reform Commission announced that all foreign equity restrictions in the automobile industry will be lifted in the next five years. At the same time, as subsid...[Details]
As an important branch of the power electronics industry, the technological progress of photovoltaic inverters is highly dependent on the development of electronic components and control technology...[Details]
For the STC89 series microcontrollers in PQFP-44 and PLCC-44 packages, 4 I/O ports P4 are added. The address of P4 port in the special function register is E8H, which can be bit addressed. User...[Details]
MSP430 MCU controls stepper motor with display program #include "msp430x22x4.h" #define uchar unsigned char #define uint unsigned int #define comm 0 #define dat 1 #define sclk_1 P4OUT|=0x01 //sc...[Details]
stm32/stm8
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