During the interview today, the interviewer asked me a questionA frame of data came in the serial port interrupt, but before it could be processed, another frame of data came.
What should I do?
I didn...
Interrupt service function:GPIOBankIntDisable(SOC_GPIO_0_REGS, 0); // Disable GPIO BANK 0 interrupt
IntEventClear(SYS_INT_GPIO_B0INT); // Clear GPIO BANK 0 interrupt status
………………; //Execute a short i...
500) {this.resized=true; this.width=500; this.alt='This is a thumbnail, click to enlarge. Press CTRL and scroll the mouse wheel to zoom freely';this.style.cursor='hand'}" resized="true"> I'm new here,...
Reuters reported on August 17 that DJI Innovations, the world's largest drone manufacturer, is laying off about 14,000 employees, with sales and marketing departments being the focus of layoffs.At pre...
May I ask which series of GD chips have built-in DFU mode, and which need to write additional boot to implement DFU mode? The same applies to STM32? Thank you all!...
/*
USART 1 configuration
If odd or even parity is required, the data length needs to be positioned at 9bit
*/
USART_InitStructure.USART_BaudRate = COM1BAUD;
USART_InitStructur...[Details]
Preface Matrix button schematic diagram: As mentioned before, the key module of Guoxin Changtian's board is controlled by CON3. When pin 2 is connected to pin 3 (GND), it is in independent key mo...[Details]
The sales of new energy vehicles, which have been growing at a high speed, have been "braking" in the past three months, forcing many new energy vehicle companies to "tighten their belts" and reduce ...[Details]
Last month, the OPPO A74 mobile phone was exposed. The phone is divided into 4G version and 5G version. The 4G version is equipped with a Qualcomm Snapdragon 662 processor and a 5000mAh batter...[Details]
Radio frequency identification technology RFID is a non-contact automatic identification technology. Its basic principle is to use the transmission characteristics of radio frequency signals and spat...[Details]
LED
is a
semiconductor
that can
convert
electrical energy
into visible light
.
It
is widely used in urban lighting projects and large-screen
display
systems d...[Details]
China Energy Storage Network
: In 2015, the State Council issued the "Guiding Opinions on Actively Promoting the "Internet +" Action". In 2016, the National Development and Reform Commission ...[Details]
1 Introduction
With the continuous improvement of application requirements, many embedded systems require extended large-capacity storage to store data when they are used. CF card (Compact Fla...[Details]
AD698 is a monolithic linear displacement differential transformer (LVDT) signal conditioning system produced by Analog Devices, USA. AD698, in conjunction with LVDT, can convert the mechanical displa...[Details]
There are many types of automotive oscilloscopes. The following mainly takes the OTC VISION2 automotive oscilloscope as an example to introduce its composition, as shown in Figure 1. The oscilloscop...[Details]
On October 16, the 2020 Yangtze River Delta High-tech Audiovisual Expo kicked off in Nanjing, and the 9th Radio and Television Media Industry Forum and the 7th China Radio and Television Zijin Forum ...[Details]
Since the relevant theories of motor NVH problems are complex and involve multiple disciplines such as electromagnetics/structures/acoustics, it is a typical multi-physics field coupling problem, a...[Details]
The instructions received by the microcontroller from the serial port are generally strings. If we use strncmp to compare whether they are instructions in our instruction set, it is not case-sensitiv...[Details]
LIS2DW12 is an ultra-low power 3D accelerate sensor in ST's second-generation MEMS family. It is often used in miniaturized wearable products such as rings and headphones. Among them, implanting 3D...[Details]