I saw the following program (excerpt) in a book by Zhou Ligong: TASK0() { .......... while() { OSSemPend(Dispem,0,&err);//Wait for semaphore UART0_SendStr(str0); OSTimeDly(1); err = OSSemPost(DispSem)...
I am doing an ADC experiment on AVR and connected the voltage to be measured to PA0. But why is the voltage of PA0 pin measured by a voltmeter when the program is running at full speed different from ...
[i=s]This post was last edited by caxfan on 2022-6-4 23:20[/i] #Weather clock was originally intended to be a 3D printer controller. After studying RVB2601, I found that the resources were seriously i...
Interrupt Register Introduction
PIEIFRx (1-12) Interrupt Flag Register
PIEIERx (1-12) Interrupt Mask Register
There are 12 of each, each 16 bits wide, and only the first 8 bits are used to repre...
I am making a flyback isolated power supply, with an input of 38V and an output of 12~15V@3A. I plan to use Lingte's LTC3748. What kind of transformer parameters should be selected for such a power su...
Guangdong Traffic Regulation No. 355
To all municipal transportation bureaus (commissions) above the prefecture level, provincial transportation groups, Guangdong Power Grid Compa...[Details]
Recently, the Provincial Development and Reform Commission and the Provincial Poverty Alleviation Office jointly organized the application for a number of centralized photovoltaic poverty alleviation ...[Details]
1. Determination of STM32 ADC sampling frequency 1. First, read some information to determine the ADC clock: (1) The ADCCLK clock provided by the clock controller is synchronized with the PCLK2 (A...[Details]
According to MEMS Consulting, Japan's
Toshiba
will further develop its automotive
LiDAR
(laser radar) semiconductor business, mainly focusing on: (1)
light receiving elements use...[Details]
Since the first draft of the 5G
NR standard was officially launched at
the end of 2017
, the
5G
commercialization process has taken a substantial step forward. From that moment on, mo...[Details]
I am going to do a project recently, which requires counting the frequency and duty cycle of the external PWM signal. The chip used is STM32F207 Looking at the datasheet, I found that one of the ma...[Details]
The watchdog timer is used to prevent the program from running away due to strong interference noise caused by power supply, space electromagnetic interference or other reasons. Many microcontrollers...[Details]
The implementation of CAN driver under embedded operating system Android requires not only adding CAN driver device in Linux kernel, but also implementing the call of Android HAL layer. Taking S5...[Details]
Making a digital sampling oscilloscope has been my long-standing wish, but after all, this goal is quite difficult, and there are too many aspects involved, such as analog front-end circuit, high-spe...[Details]
According to MEMS Consulting, single-chip radar system-on-chip (SoC) is becoming one of the most popular new sensors . Its widespread adoption in automobiles has greatly increased sales, thereby pr...[Details]
1) ADC multi-channel acquisition: (Multi-channel acquisition must use scanning mode. In scanning mode, the channels of the rule group share a register, so DMA transmission must be used; to prevent da...[Details]
Using AT89S51 microcontroller, modify the original one to turn the LED on for 4s and off for 2s. Thank you. Use a timer. (The program is written in the answer, omitted here - just a note) The origi...[Details]