When using serial port communication on the stm32 development board, the following error is displayed after compiling the program. ..\USART.axf: Error: L6218E: Undefined symbol __vfscanf_char_file (re...
I recently disassembled a thermal imaging camera from BMW. The FPGA inside is ALTERA's EP3C25U256A7N. I want to try to reverse engineer the PCB and directly develop on this FPGA. The PCB seems to have...
"3.3.2 SysTick" in the article "How to upgrade from STM32F10xxx firmware library V2.0.3 to STM32F10xxx standard peripheral library V3.0.0" says:The SysTick driver has been removed from the standard pe...
I used DDK to make a USB driver, which can communicate normally. But when writing to Pipe1 port in a loop, the driver stops responding after several times. When debugging, I found that it stops at sta...
I have played with DSP and M4 before, but I don't know how to transfer to FPGA. I can't even understand the schematic diagram... Why does an FPGA have to be divided into so many modules......
I have the hardware circuit diagram, and I need the program, which can be written in assembly or C language. Please help me, if you are interested, please contact QQ: 226600569. Very urgent! QQ online...
Ultrasonic tooth cleaning machines have been widely used in the medical field. Most ultrasonic tooth cleaning machines used at home and abroad now use analog oscillation circuits. There are the follow...[Details]
In some warehousing management, manufacturing, meteorological observation, scientific research and daily life, the requirements for temperature and humidity are common. For example, the "Interim Pr...[Details]
TD-SCDMA terminal conformance test includes three types of tests: RF index test (reference standard: 3GPPTS34.122), protocol signaling test (reference standard: 3GPPTS34.123) and other tests (refer...[Details]
As microcontrollers become less expensive and more powerful, electrical designers are finding it more cost-effective to use multiple small controllers in both single-board and multi-board systems. ...[Details]
introduction
Controller Area Network (CAN) is a bus standard proposed by Bosch of Germany to solve the information communication between automotive electronic control units. With its exc...[Details]
Fetal monitoring is an important means to ensure the safety of perinatal mothers and fetuses and achieve eugenics. Intelligent fetal monitoring is a monitoring method that analyzes the health stat...[Details]
Industrial control
often requires multi-channel fault detection and multi-channel command control (this multi-task setting is very common). A single CPU chip is difficult to directly complete ...[Details]
l Introduction
Traditional human-computer communication is achieved through keyboard or mouse. The speed of information exchange is relatively slow, and the operator is required to have certain...[Details]
With the improvement of social automation, human-computer interaction capabilities urgently need a major change, and develop in a direction that is more convenient to use and more intuitive. Laser ...[Details]
Most blood glucose meter implementations include some consumables such as test strips or chemical reagents, and the key to the operation of such equipment is to ensure that these test strips are re...[Details]
Advances in 3D semiconductor packaging technologies have enabled the form and functionality of many of the products we use every day, such as mobile phones, personal entertainment devices, and flas...[Details]
Abstract: This article introduces several floorplanning techniques for sub-65nm chip partitioning. These techniques help us complete a practical floorplan in a relatively short time, including: ana...[Details]
In the new generation of automotive exterior mirrors, the number of built-in functions has increased significantly: side retro-reflectors or turn signals/flashlights, door exterior lights, defroste...[Details]
1 Introduction
Fatigue driving is one of the main causes of traffic accidents. According to statistics, traffic accidents caused by driving fatigue are the highest in both absolute numbers...[Details]
O Introduction
Digital signal generator is a signal generating device and signal source widely used in electronic circuit design, automatic control system and instrument measurement, corre...[Details]