The same code, when I compiled it in EVC, was about 1M. After porting it to VS2005, it increased to 2.3M. Why is this? I also optimized the program and removed a lot of code, but the compiled EXE is e...
uint16 dat;...if (dat0xff00) {....}After compilation, onlymov A,R2jz c:xxxxIndeed, it is enough to judge whether the upper eight bits are non-0.I have also studied the principles of compilation. It is...
The brightness of LED lights can be adjusted by using timers and corresponding output functions. Taking channel 1 of timer 1 as an example (PA8), it can achieve PWM control by controlling the duty cyc...
Since I don't have this development board, I can't fully understand the CAN communication of this development board. However, through studying the routines, I found that CAN communication is used for ...
Because the SD/MMC board on some development boards does not support 4-bit bus mode, a new macro MICROPY_HW_SDMMC_BUS_WIDTH is added to allow the width of the SD/MMC bus interface to be defined, the d...
I received the LM3S8962 evaluation kit on Friday and took some time to study it today. The development kit includes the LM3S8962 evaluation board and the LM3S2110 CAN evaluation board, as well as a US...
Emergency hand-held lamps powered by 6V maintenance-free batteries are widely used in rural areas. The charger used is a transformer step-down and single diode half-wave rectifier, and the charging...[Details]
This article discusses how to wake up a touch-sensitive device such as a tablet without touching the device, using basic gesture recognition and novel proximity sensors. The article discusses the p...[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]
From the PIC16F946 datasheet, we know that there are two ways to write values to the LCD for display:
1. Directly write the value to LCDDATA1~LCDDATA23
2. Use disconnect t...[Details]
In the previous series, we have listed some basic knowledge of C language in Tables 1 to 3. We hope that beginners can strengthen their memory of the above tables and gradually learn to use them wh...[Details]
1 Introduction
Building Automation System (BAS) is a distributed monitoring system (DCS) designed according to distributed information and control theory. It is the result of the mutual de...[Details]
1 Introduction
With the development of control, computer, communication, network technology, etc., a new control technology, namely fieldbus, has emerged in the field of industrial control...[Details]
1. Introduction to CIF Board
Fieldbus integration based on PC system
Whether it is a master or a slave, fieldbus has won unanimous praise in the field of PC-based automation. For more...[Details]
LED lamps and bulbs are now rapidly replacing incandescent, halogen and CFL (compact fluorescent lamp) light sources in many general lighting applications. Flyback DC/DC converters are the power su...[Details]
12v Lead Acid batteries used in trucks, cars, RVs and uninterruptible power supplies are usually rated at 12V. This circuit monitors the battery, the charge and discharge curves, gives the cu...[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]
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]
1 Basic Features
In computer control systems and various intelligent instruments and meters composed of single-chip microcomputers (or microprocessors), various external analog signals must be ...[Details]
At present, how various communication technologies will evolve after 3G is a focus of great concern in the industry. Especially for TD-SCDMA, whether it can achieve smooth evolution to the next gen...[Details]
With the rapid development of wireless
digital communication
, more challenges have been raised for integrated circuit design and testing. In the product design stage, in order to ensure
t...[Details]