I want to display the time in hours, minutes and seconds, but they are overwritten in this function GUI_DispDecAt(hour,100,180,2); There should be a clearing function before it, which one is it? hMem2...
[i=s]This post was last edited by symic on 2022-3-31 23:16[/i]Enter the next official Demo test, Webplayer_demo. It can play an mp3 audio file based on the http network application layer protocol. As ...
[i=s] This post was last edited by dontium on 2015-1-23 13:33 [/i].mmregs.def _Lmac.text_Lmac .equ $SSBX OVMSSBX SXM; SSBX FRCT ；********************LD *SP(1),TMAC *SP(2),ARETDRSBX OVMRSBX SXMWhen thi...
My board has a supercapacitor, and it goes into sleep after undervoltage and then resumes running after powering on again.
But the trouble came in the second half. When the voltage was too low, the sl...
I have used FPGA to write a piece of data to the DDR3 of HPS through AXI, but I want to use HPS to directly access DDR3 to read this piece of data. But I don't know where to start when writing .c. Doe...
The most significant event in the technology circle during this period is undoubtedly the news that ZTE was banned by the United States. Once the news came out, it shocked the entire Chinese techno...[Details]
Event: The company simultaneously released its 2017 annual report and the first quarter report of 2018. In 2017, the company achieved revenue of 8.886 billion yuan, a year-on-year increase of 48.01...[Details]
On April 17, the U.S. Department of Commerce suddenly announced that it would completely ban U.S. companies from
selling parts, goods, software and technology
to
ZTE
within 7 years. This als...[Details]
Using Systick timer to achieve delay 1. SysTick timer characteristics The SysTick timer is a 24-bit down counter, that is, when vlue is decremented to 0, an interrupt is triggered and the load va...[Details]
1. Introduction to MC68K CPU The MC683xx series of microcontrollers are composed of the famous MOTOROLA 32-bit microprocessors such as MC68K, 68020, 68040, and the compatible 68K, CPU32, CPU3...[Details]
With the development of information technology, intelligence, informatization and networking have become the development trend of modern industrial control. Since the 1980s, the rapid development...[Details]
I believe that many netizens who have watched "Interstellar" will remember this classic line, "Do not go gentle into this good night, nor let passion be drowned by the gloom of twilight". Different...[Details]
If you do not use an external crystal on the STM32, the connection method of OSC_IN and OSC_OUT If you use the internal RC oscillator instead of an external crystal, please follow the following metho...[Details]
Summary of STM32 peripheral DMA usage: 1. Select DAM mode according to your needs: (1) Circular mode—DMA_Mode = DMA_Mode_Circular (2) Normal mode—DMA_Mode = DMA_Mode_Normal 2. For Chanel3 of DMA1, t...[Details]
1. What is PWM What is PWM? Professionally speaking, it is pulse width modulation. In layman's terms, it is the continuous output of high and low levels. For example, the microcontroller outputs...[Details]
Unfortunately, my serial port has some problems and I can't print information. I can only debug to view variables and see the values. Fortunately, there is not much AD conversion code, and I can use ...[Details]
I have been deeply affected by serial ports since 51. The MAX232 I bought from Huaqiang was originally broken. I thought there was something wrong with my circuit or schematic. Since there was no goo...[Details]
The isp made a brief summary. Through online programming (the chip is programmed by continuously resetting the chip while the high voltage is converted), the MCU's flash, eeprom, fuse bits, encryptio...[Details]
// 1. Use ICCAVR's terminal debugging window (Terminal) to debug communication. // 2. Set ICCAVR's terminal debugging window and set the serial port to com1 or com2 // The communication baud rat...[Details]
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