In high-speed electrified railways and urban rail transit, a large number of discrete sensors are needed, such as escalators, large ventilation and air conditioning, screen doors, disaster alarm syste...
HDMI Licensing, LLC will maintain a list of approved connectors (the “Approved Connector List”) in accordance with the HDMI Compliance Test Specification (“CTS”) Version 1.3b. For devices that pass CT...
I use the GRACE routine in CCS, 9600 baud rate, check bit, etc. are all set normally. I use the serial communication debugging tool on the PC to receive it. However, when I send 0X00 0X01 0X02 in the ...
The manual of my test box mentions two chips, one is CY22381 and the other is XC9572. They seem to be related to the use of CPLD. Does anyone know the relationship between them? The test box I use is ...
[i=s]This post was last edited by lovedarling on 2015-7-14 09:34[/i] 1. Duration of use: The original price of this Wanli KL46 development board is 300 yuan. It has been unpacked but never used. 2. De...
1. Problem When developing STM32 with IAR, I found that I could not print floating point numbers by redirecting printf to the serial port. The code is as follows: The output is as follows: It can...[Details]
Friends who work in the photovoltaic industry, do you still remember the hard work on June 30 last year? How many people worked late into the night for months in a row just to connect to the grid a...[Details]
Although it is early summer, the Chinese smartphone market is still in the cold winter, just like Beijing in April with snow. For mobile phone brands caught in the middle, the cold is even more bit...[Details]
Recently, the "Smart Photovoltaic Industry Development Action Plan (2018-2020)" jointly issued by six departments has put this concept on the forefront. Photovoltaic smart solutions will become the ne...[Details]
This example is mainly to familiarize yourself with the register configuration of Timer A and the configuration method of IAR. /*********************************************** Program function: re...[Details]
What is SYSTICK: This is a 24-bit system tick timer, SysTick, with automatic reload and overflow interrupt functions. All microcontrollers based on the Cortex_M3 processor can obtain a certain time ...[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]
Independent watchdog (IWDG) and low power mode are often used in STM32 development. The watchdog is to detect and solve faults caused by software errors, and the low power mode is to enter sleep mode...[Details]
I have been working on a stm32 project recently and have been struggling with its startup method. I saw a good article and reposted it. The format of the original article is not very good, and there...[Details]
The frequency calculation formula of the PWM wave generated by the output comparison mode of the timer is: 72M/((2*(arr+1))*(psc+1) ) For example, if you set: PWM_Init(1000-1,72-1); (PWM_Init(arr,psc...[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]
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