I bought the micro2440sdk development board from Friendly Arm around July last year. I am now transferring it to you. I am willing to answer questions about bootloader and wince driver. I will also gi...
I seem to have found a solution in the previous post, but unfortunately, this problem occurred again, and the previous method did not work. This time, after clicking Query, the Programmer will crash a...
When I was reading the program, I suddenly found that volatile GPIO PA @ 0x5000; volatile GPIO PB @ 0x5005; What does the @ symbol mean? I would like to ask you experts! It would be better if you can ...
[i=s]This post was last edited by le062 on 2018-5-20 21:17[/i] Target chip: Jingwei Qili HME-M7 Basic information of the chip: [list=1] [*]FPGA logic resources: 12K LUT4 speed 200M [*]Cortex-M3, speed...
[i=s] This post was last edited by xxTLC on 2014-1-3 15:49 [/i] Launchpad, 200MHz, 60s, DMA memory access speed test. Key code: void SysCtlOC(){ uint32_t ui32RCC, ui32RCC2; ui32RCC = HWREG(0x400FE060)...
The two programs each have static variables or static areas. What is the difference between their static areas and the static areas of the operating system (where events and mutexes are stored)?...
0 Introduction
With the development of my country's economy, the number of motor vehicles continues to increase. The growth of existing roads and other hardware facilities can no longer meet t...[Details]
introduction
In the discharge process of tokamak plasma physics, the study of rupture and sawtooth is of great significance. Rupture and sawtooth exist in most tokamaks. Rupture is a notew...[Details]
In public places such as schools, government agencies, factories and mines, as well as public corridors in residential areas, the phenomenon of long-burning lights is very common, which causes a h...[Details]
Introduction
Power subsystems are becoming more and more integrated into the overall system. Power systems have moved from being separate "essential dangerous devices" to being monitorable...[Details]
Power management solutions for today's portable application processors are becoming increasingly integrated. Total power consumption, standby and sleep current consumption affect battery size, bill...[Details]
The automotive lighting and signal control system is responsible for controlling the vehicle's lighting, signal lights, electric horns, reversing and brake buzzers. Traditional automotive lighting...[Details]
The typical fault troubleshooting listed below is for reference of maintenance personnel.
When the computer is turned on, the indicator light is off and there is no screen display
Mainte...[Details]
Among the many members of the single-chip microcomputer family, the MCS-51 series of single-chip microcomputers has occupied the main market of industrial measurement and control and automation eng...[Details]
From the previous section, we have learned that the timer/counter in the microcontroller can have multiple uses, so how can I make them work for the purpose I need? This requires setting the timer/...[Details]
1. Disadvantages of choosing too high a voltage level
Choosing too high a voltage level will result in too high an investment and a long payback period. As the voltage level increases, the...[Details]
hint:
The number of speakers and their spacing limit the sound field of a portable stereo system.
Spatial audio attempts to artificially recreate the experience of listening to sounds i...[Details]
To understand how and why OLED power supply affects display image quality, you must first understand OLED display technology and power supply requirements. This article will explain the latest OLED...[Details]
introduction
Incandescent bulbs can emit a variety of light, but in specific applications, only green, red, and yellow light are usually needed - such as traffic lights. If an incand...[Details]
Since the late 1990s, with the demand for higher system efficiency and lower power consumption, the technological update of telecommunications and data communication equipment has promoted the deve...[Details]
Liquid crystal display (LCD) panels have a wide range of applications, from small portable electronic devices to large fixed devices, including digital cameras, laptops, personal data assistants, d...[Details]